Настройки

Укажите год
-

Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год

Применить Всего найдено 49. Отображено 49.
22-06-2017 дата публикации

영구자석 전동기의 회전자 구조

Номер: KR0101749648B1
Принадлежит: 전자부품연구원

... 영구자석 전동기의 회전자 구조가 개시된다. 본 발명의 회전자의 회전자 코어는, 복수의 매립홀 중 적어도 어느 하나가 샤프트홀과 연결이 차단되고, 복수의 매립홀 중 나머지 매립홀은 샤프트홀과 연결되며, 소정 방향 회전하여 복수의 회전자 코어가 적층될 수 있다.

Подробнее
20-05-2016 дата публикации

MOTOR WITH VARIABLE MAGNET FLUX

Номер: KR0101622935B1
Принадлежит: 전자부품연구원

... 본 발명은 고정자, 회전자 및 회전축을 포함하는 가변자속 전동기에 있어서, 상기 회전자는 상기 고정자에 권선된 코일과 대면하여 배치되며, 중앙에 상기 회전축이 삽착되는 관통홀이 형성된 실린더 형상의 회전자 철심과, 상기 회전자 철심의 외주면에 상호 다른 극성이 교차되어 배치되는 복수 개의 영구자석과, 상기 회전자 철심의 외주면에 배치되는 적어도 한 개 이상의 보조자석을 포함하는 가변자속 전동기를 제공한다.

Подробнее
04-10-2018 дата публикации

NETWORK RESTORATION DEVICE AND METHOD OF SUNLIGHT POWER STATION SYSTEM

Номер: KR1020180107843A
Принадлежит:

The present invention relates to a network restoration device and method for a sunlight power station system. The network restoration device for a sunlight power station system according to the present invention includes a power relay module for applying supplied power to a remote terminal device, a gateway, and an ISP modem; and a network diagnostic module that diagnoses a gateway, a remote terminal device, a network diagnostic device, and the state of Internet connection, and automatically restores the diagnosis result when necessary. It is possible to easily check the occurrence of communication failure. COPYRIGHT KIPO 2018 (110) Power relay module (120) Network diagnostic module (130) Remote terminal device (140) Gateway (150) ISP modem (AA) Facility power network (BB) Internet ...

Подробнее
10-06-2015 дата публикации

BATTERY MANAGEMENT SYSTEM FOR REDOX FLOW BATTERY AND METHOD FOR CONTROLLING SAME

Номер: KR1020150063813A
Принадлежит:

Disclosed are a battery management system for a redox flow battery, and a method for controlling the same. According to the present invention, a battery management system comprises a stack for a redox flow battery, and negative and positive electrode tanks which contain electrolytes moving into and from the stack. The method for controlling the battery management system discharges the stack if the local time is a peak time for power consumption and the state of charge (SOC) of the stack is more than or equal to a predetermined first value, and charges the stack if the local times is night and the SOC is less than or equal to a predetermined second value, after setting a local time and detecting the SOC. COPYRIGHT KIPO 2015 (2) Control unit (AA) Outlet (BB) Inlet ...

Подробнее
01-07-2015 дата публикации

SYNCHRONIZER USING WIRELESS POWER TRANSMITTING DEVICE

Номер: KR1020150073475A
Принадлежит:

The present invention provides a synchronizer using a wireless power transmitting device which includes a rotor which includes a rotor core, a coil part which is wound around the rotor core and a rotation shaft which formed on the center of the rotor core, and the wireless power transmitting device which includes a receiving unit which is formed on one end of the rotation shaft and is electrically connected to a field winding of the coil part, a transmitting unit which is separated from the receiving unit and transmits power to the receiving unit, and a power source unit which supplies the power to the transmitting unit. COPYRIGHT KIPO 2015 ...

Подробнее
18-07-2016 дата публикации

복합발전 시스템의 컨버터

Номер: KR0101640468B1
Принадлежит: 전자부품연구원

... 복합발전 시스템의 컨버터가 개시된다. 본 발명의 컨버터는, 제1전압에 연결되는 제1인덕터와 상기 제2전압에 연결되는 제2인덕터가 자기적으로 결합된 결합 인덕터를 포함하여, 전체적인 컨버터의 크기를 줄일 수 있고, 입력전류 리플을 감소시킬 수 있다.

Подробнее
29-06-2016 дата публикации

STREET LAMP DRIVING APPARATUS

Номер: KR1020160075447A
Принадлежит:

The purpose of the present invention is to provide a street lamp driving apparatus which performs a conversion of electric energy outputted from a solar cell module and drives an LED lamp on the same circuit, thereby simplifying a circuit structure and reducing a cost. According to an embodiment of the present invention, the street lamp driving apparatus comprises: a solar cell module which converts solar energy into electric energy in a form of electric charges and outputs the charge; a battery which is charged with the outputted charges and discharges the charged charges to a lamp; a providing unit which drives the lamp by charging the outputted charges in the battery and discharging the charged charges to the lamp; a switch unit which connects the lamp to the providing unit or disconnects the lamp from the providing unit; and a control unit which controls the providing unit and the switch unit. The control unit turns on the switch unit to operate the providing unit as a discharging unit ...

Подробнее
08-07-2016 дата публикации

ROTOR STRUCTURE IN PERMANENT MAGNET MOTOR

Номер: KR1020160080893A
Принадлежит:

Disclosed is a rotor structure in a permanent magnet motor. According to the present invention, a rotor core of a rotor has a plurality of embedding holes in which a plurality of permanent magnets are embedded. Some of the plurality of embedding holes are connected to a shaft hole and the other embedding holes are not connected to the shaft hole. The present invention provides a rotor structure in a permanent magnet motor with improved assemblability and reduced magnetic flux leakage. COPYRIGHT KIPO 2016 ...

Подробнее
09-11-2022 дата публикации

분산 부하를 위한 직류 배전 마이크로그리드 시스템 및 이의 운용 방법

Номер: KR102464533B1
Принадлежит: 한국전자기술연구원

... 본 발명은 부하 분산형 직류 배전 마이크로그리드를 복수개 포함하고, 상기 부하 분산형 직류 배전 마이크로그리드는 분산 부하와, 상기 분산 부하에 직류 전원을 공급하는 신재생 에너지 시스템, 상기 신재생 에너지 시스템이 생산한 전원을 저장하거나 상기 분산 부하에 공급하는 에너지 저장 시스템, 상기 신재생 에너지 시스템과 상기 에너지 저장 시스템 및 상기 분산 부하와 관련한 전력량 정보를 수집하는 ADR을 포함하고, 상기 부하 분산형 직류 배전 마이크로그리드들의 ADR과 통신 채널을 형성하는 프로슈머 컨트롤러, 상기 부하 분산형 직류 배전 마이크로그리드들에 직류 배전으로 전력을 공급하는 AD/DC 컨버터를 포함하는 것을 특징으로 하는 부하 분산형 직류 배전 마이크로그리드 시스템을 개시한다.

Подробнее
07-02-2024 дата публикации

A/D 컨버터의 Droop 제어를 지원하는 배전 시스템 및 이의 운용 방법

Номер: KR102634292B1
Принадлежит: 한국전자기술연구원

... 본 발명은 교류 전력을 공급하는 전력원, 상기 전력원에 병렬로 연결되고 상기 전력원으로부터 교류 전력을 수신하여 직류 전력으로 변환하는 복수의 전력 변환기들, 상기 전력원의 전류 검출 및 전압 검출을 수행하는 전력 계측기, 상기 전력 계측기가 측정한 전류 검출 값을 토대로 상기 전력 변환기들의 PWM(Power Width Modulation) 제어를 각각 수행하기 위해 각각의 전력 변환기들에 연결된 복수의 제어 장치들을 포함하는 A/D 컨버터의 Droop 제어를 지원하는 배전 시스템과 이의 운용 방법을 개시한다.

Подробнее
02-03-2016 дата публикации

DYNAMO SYSTEM FOR TESTING MICRO WATER TURBING GENERATOR

Номер: KR0101598956B1
Принадлежит: 전자부품연구원

... 마이크로 수차발전기 시험용 다이나모 시스템이 개시된다. 본 발명의 시스템은, 마이크로 수차발전기가 입수되는 수압 테스트 장치와, 수압 테스트 장치로 유입되는 물의 양을 조절하기 위한 유량밸브와, 수압 테스트 장치 내의 압력을 조절하기 위한 공압장치를 포함한다.

Подробнее
30-06-2015 дата публикации

CONVERTER FOR HYBRID GENERATION SYSTEM

Номер: KR1020150072839A
Принадлежит:

The present invention relates to a converter for a hybrid generation system. The converter comprises: a coupled inductor in which a first inductor connected to a first voltage and a second inductor connected to a second voltage are magnetically coupled, thereby reducing the overall size of the converter and decreasing an input current ripple. COPYRIGHT KIPO 2015 (A1,A2) Current controller (BB) Voltage controller ...

Подробнее
08-07-2016 дата публикации

POWER CONVERSION SYSTEM

Номер: KR1020160080804A
Принадлежит:

According to the present invention, disclosed is a power conversion system to increase the degree of freedom in system layout while reducing the size of the system. The system comprises: a first convertor unit converting alternating current (AC) power of a specific first frequency or direct current (DC) power into square wave power of a second frequency; a transformer insulating and transforming the square wave power to transfer the transformed square wave power to a secondary side; and a motor module including at least a first and a second motor operated by the power received from the transformer. COPYRIGHT KIPO 2016 (40) Control unit (AA) Output side ...

Подробнее
08-07-2016 дата публикации

POWER GENERATOR SYSTEM

Номер: KR1020160082070A
Принадлежит:

Disclosed is a power generator system. The system according to the present invention includes: a power generator which is driven by the rotation of an engine and outputs N (N is an odd number equal to or greater than 3)-phase power; a power converter which delivers the N-phase power outputted from the power generator to a load; and a control unit which controls the speed of the engine depending on the size of the load and controls the operation of the power converter depending on the size of the load. The power converter includes: a rectification unit which rectifies the N-phase AC power into DC power; and an inverter unit which converts the DC power received from the rectification unit into AC power with a certain frequency and applies the AC power to the load. The power generator system can be simplified by using a multi-phase generator and removing an electrolysis capacitor. COPYRIGHT KIPO 2016 (10) Engine (40) Load (50) Control unit (AA) N phase ...

Подробнее
07-07-2017 дата публикации

CURRENT MEASUREMENT DEVICE

Номер: KR1020170078027A
Принадлежит:

Disclosed is a current measurement device which can improve linearity in current measurement. According to the present invention, the current measurement device comprises: a housing having first and second through-holes; a printed circuit board mounted on the housing; an integrally formed Rogowskii bobbin mounted on the printed circuit board; a Rogowskii coil wound around the Rogowskii bobbin; and a power CT wound on one surface of the housing having the second through-hole. COPYRIGHT KIPO 2017 ...

Подробнее
07-07-2017 дата публикации

POWER CONVERSION APPARATUS FOR HIGH DENSITY POWER SUPPLY

Номер: KR1020170078034A
Принадлежит:

A power conversion apparatus for high density power supply according to an embodiment of the present invention comprises: an inverter part converting an input DC or AC voltage into an AC voltage having a predetermined frequency; a primary transformer connected to the inverter part to induce a voltage input from the inverter to change magnetic flux according to time; a secondary transformer connected to the primary transformer without contact, and sharing the magnetic flux provided from the primary transformer; a rectifier connecting both ends of the secondary transformer to a load to acquire a required constant current in the load; and insulating means placed between the primary transformer and the secondary transformer and being in a printed circuit board (PCB) state to implement the contactlessness. COPYRIGHT KIPO 2017 ...

Подробнее
08-07-2016 дата публикации

ROTOR STRUCTURE IN PERMANENT MAGNET MOTOR

Номер: KR1020160080895A
Принадлежит:

Disclosed is a rotor structure in a permanent magnet motor. According to rotor cores of a rotor of the present invention, among a plurality of embedding holes, at least one of the embedding holes is prevented to be connected to a shaft hole, and other embedding holes, excepting for the at least one of the embedding holes, are connected to the shaft hole. The rotor cores are configured to rotate in a pre-determined direction so that the rotor cores may be stacked. The present invention provides a rotor structure in a permanent magnet motor with improved assemblability and reduced magnetic flux leakage. COPYRIGHT KIPO 2016 ...

Подробнее
26-12-2019 дата публикации

STAND-ALONE MICROGRID OPERATING SYSTEM

Номер: WO2019245155A1
Принадлежит:

The present invention relates to a stand-alone microgrid operating system for resolving the instability of a system to which a renewable energy source is applied and providing an optimal power supply system. A microgrid operating system according to the present invention comprises: an energy storage device including a battery capable of being discharged or charged by supplying power to a load, and an inverter for controlling the charging and discharging of the battery; a renewable power generation device for supplying auxiliary power to the load while connected with the energy storage device or for charging the energy storage device; and a diesel power generation device for supplying auxiliary power to the load while connected to the energy storage device or for charging the energy storage device, wherein the inverter performs control, according to the power and load power generated from the renewable power generation device or the diesel power generation device, such that the battery is ...

Подробнее
20-06-2018 дата публикации

INTEGRATED TRANSFORMER/REACTOR AND MANUFACTURING METHOD THEREOF

Номер: KR1020180067228A
Принадлежит:

Disclosed are an integrated transformer/reactor and a manufacturing method thereof. The integrated transformer/reactor according to the present invention includes: a transformer core which has a plurality of first columns parallel to each other and formed in set first thickness and width, and has a first connection yoke connecting each of the first column bases vertically in the upper and lower ends; a plurality of secondary windings which respectively wind the first column bases; a reactor core which has a plurality of second column bases parallel to each other and formed in set second thickness and width, and has a second connection yoke connecting each of the second column bases vertically in upper and lower ends; and a plurality of primary windings which position a transformer core and a reactor core to make each row of the first column bases and each row of the second column bases correspond with each other, and are wound on a first column base, a secondary winding, and a second column ...

Подробнее
07-07-2017 дата публикации

INTEGRATED TYPE POWER CONVERSION DEVICE

Номер: KR1020170078028A
Принадлежит:

According to an embodiment of the present invention, an integrated type power conversion device simply implements a charging circuit of an electric vehicle, an inverter circuit and a DC/DC converter circuit. The integrated type power conversion device comprises: a charging part for charging a high voltage battery needed for motor driving of the electric vehicle by receiving a power from an external power; an inverter part inverting to three-phase power needed for the motor driving by receiving the voltage from the high voltage battery; a DC/DC converter charging a low voltage battery needed for an electric field load driving of the electric vehicle by receiving the voltage from the high voltage battery and providing a low battery power to the electric field load; and a switching mode power supply forming between the low voltage battery and the DC/DC converter and controlling a power supply of the low voltage battery. COPYRIGHT KIPO 2017 (50) Control part (60) Diagnostic module (V1) High ...

Подробнее
15-05-2017 дата публикации

HYBRID DISTRIBUTION NETWORK SYSTEM

Номер: KR1020170053033A
Принадлежит:

The present invention relates to a hybrid distribution network system which improves the efficiency of a power system and enables a reliable system operation. The hybrid distribution network system according to an embodiment of the present invention comprises: an AC distribution network, a first DC distribution network including at least one distributed power supply, and a second DC distribution network including at least one distributed power supply; a first power conversion part converting AC power supplied from the AC distribution network into DC power to provide the DC power to a first distribution network; and a second power conversion part converting the AC power supplied from the AC distribution network into the DC power to provide to a second distribution network and converting the DC power provided from the second distribution network into the AC power to provide the AC power to the AC distribution network. COPYRIGHT KIPO 2017 (310) AC distribution network (312) AC household (313 ...

Подробнее
28-02-2019 дата публикации

배터리 팩 및 이를 이용한 배터리 시스템

Номер: KR1020190020260A
Принадлежит:

... 본 발명은 복수의 배터리를 연결하여 사용하는 배터리 시스템에 있어서, 시스템 정지 없이 활선 상태에서 배터리 또는 전력 변환기의 교체가 가능한 핫 스왑이 가능한 배터리 팩 및 이를 이용한 배터리 시스템에 관한 것이다. 본 발명에 따른 배터리 팩은 교류 전력 소스와 연결되어 서로 직렬로 다단 연결되며, 충방전을 위하여 전력을 변환하여 공급하는 복수의 전력 변환부, 복수의 전력 변화부에 각각 연결되어 전력을 인가받아 충전되거나, 충전된 전력을 공급하는 복수의 배터리, 인접한 전력 변환부의 연결단 사이에 구비되는 복수의 릴레이, 복수의 배터리 중 선택된 배터리에 연결된 전력 변환부 또는 릴레이를 선택적으로 제어하는 제어부를 포함한다.

Подробнее
20-06-2018 дата публикации

ROTOR FOR COGGING TORQUE REDUCTION AND MANUFACTURING METHOD THEREOF

Номер: KR1020180067218A
Принадлежит:

Disclosed are a rotor for a cogging torque reduction and a manufacturing method thereof. The rotor according to the present invention includes: rotor cores which are formed in a donut-shaped circular plate; at least one pair of permanent magnet fixing projections which are installed in the outer edge of both directions facing mutually around the rotation axis of a rotor core and forms equal intervals on left and right sides; a permanent magnet which is installed between each of permanent magnet fixing projections after stacking a plurality of rotor cores wherein a permanent magnet fixing projection of a rotor core stacked on an upper surface is misaligned by (N-1)/N in a set direction from a permanent magnet fixing projection of a rotor core in a lower surface; and a fixing pin which fixates permanent magnet fixing projections positioned in upper and lower directions mutually among the plurality of stacked rotor cores. N is an integer equal to or more than 2 as a number obtained by dividing ...

Подробнее
01-07-2015 дата публикации

VARIABLE FLUX MOTOR

Номер: KR1020150073462A
Принадлежит:

The present invention relates to a variable flux motor which includes a stator, a rotor, and a rotation shaft. The present invention provides the variable flux motor which includes the rotor which includes a cylindrical rotor iron core which is arranged to face a coil wound around the stator and includes a through hole into which the rotation shaft is inserted on the center thereof, a plurality of permanent magnets which are arranged on the outer circumference of the rotor iron core to cross different polarities, and at least one auxiliary magnet which is arranged on the outer circumference of the rotor iron core. COPYRIGHT KIPO 2015 ...

Подробнее
03-11-2016 дата публикации

영구자석 전동기의 회전자 구조

Номер: KR0101671841B1
Принадлежит: 전자부품연구원

... 영구자석 전동기의 회전자 구조가 개시된다. 본 발명의 회전자의 회전자 코어는, 복수의 영구자석이 매립되는 복수의 매립홀이 형성되고, 복수의 매립홀 중 일부는 샤프트홀과 연결되고, 복수의 매립홀 중 나머지 일부는 샤프트홀과 연결되지 않는다.

Подробнее
21-01-2016 дата публикации

BATTERY MANAGEMENT SYSTEM FOR REDOX FLOW BATTERY AND METHOD FOR CONTROLLING THE SAME

Номер: KR0101586349B1
Принадлежит: 전자부품연구원

... 레독스 흐름전지용 배터리 관리 시스템 및 그 제어방법이 개시된다. 레독스 흐름전지용 스택과, 상기 스택으로 입출력되는 전해질이 담긴 음극탱크와 양극탱크를 포함하는 배터리 관리 시스템을 제어하는 본 발명의 방법은, 로컬시간을 설정하고, 스택의 잔존용량(SOC)을 검출하여, 로컬시간이 전력피크시간이고, SOC가 소정 제1값 이상인 경우 방전을 수행하고, 로컬시간이 심야시간이고 SOC가 소정 제2값 이하인 경우 충전을 수행한다.

Подробнее
07-07-2017 дата публикации

APPARATUS FOR SIMULTANEOUSLY RECORDING ELECTRICAL SYSTEM ERROR AND EQUIPMENT SYSTEM ERROR OF POWER GENERATION SYSTEM

Номер: KR1020170078035A
Принадлежит:

An apparatus comprises a signal processing processor, a communication part, and a memory according to an embodiment of the present invention, always detects the state of the power system and the equipment system of the power generation system, and simultaneously records the state of the power system for a predetermined period of time and the state of the equipment system to the memory, when the failure or error of the power system or the equipment system is detected. The apparatus may include at least one equipment system sensor part for detecting the state of the equipment system and detecting a failure or error. COPYRIGHT KIPO 2017 (401) RTD sensor (temperature, pressure), Variable resistance (402) Acceleration sensor (vibration, speed), Piezo, Moving coil (403) 4-20 mA (pressure, speed, temperature) (420,B1,B2) Isolating amplifier (A1,A2,A3) Separation ground (CC) Apparatus ground ...

Подробнее
01-12-2017 дата публикации

DC/DC CONVERTER FOR REDUCING TRANSFORMER SECONDARY SIDE VOLTAGE SPIKE

Номер: KR1020170131853A
Принадлежит:

The present invention provides a DC/DC converter for reducing a transformer secondary side voltage spike capable of reducing the voltage spike without affecting efficiency. According to an embodiment of the present invention, the DC/DC converter for reducing a transformer secondary side voltage spike comprises: a first switch to which one end is connected to one end of direct current input voltage, and which makes the input voltage discontinuous; an inverter part connected to the other end of the first switch and the other end of the input voltage, and switching the input voltage to output an alternating current voltage; a transformer transforming the alternating current voltage; a rectifying part synchronized and switched with the inverter part, and rectifying output voltage of the transformer to output direct current output voltage; an L-C filter part connected to an output terminal of the rectifying part, and smoothing the direct current output voltage; and a voltage spike reducing part ...

Подробнее
08-07-2016 дата публикации

DC-DC CONVERTER OF SECONDARY CELL SYSTEM AND CONTROL METHOD THEREOF

Номер: KR1020160080439A
Принадлежит:

Disclosed are a DC-DC converter of a secondary cell system and a control method thereof. The converter of the present invention includes: four arms connected to a load resistor in parallel individually; and upper and lower switching devices connected to each of the arms, thereby lowering rating specifications and reducing a size of an inner inductor. Therefore, a current ripple can be minimized when a secondary cell is charged. COPYRIGHT KIPO 2016 ...

Подробнее
07-07-2017 дата публикации

REACTOR INTEGRATED TRANSFORMER AND MANUFACTURING METHOD THEREOF

Номер: KR1020170078026A
Принадлежит:

A reactor integrated transformer is disclosed. According to the present invention, the reactor integrated transformer comprises: a first transformer core; primary and secondary wires configured to surround the first transformer core; a reactor core arranged to be separated from the first transformer core; and the primary wire configured to surround the first transformer core and the reactor core. COPYRIGHT KIPO 2017 ...

Подробнее
22-06-2015 дата публикации

APPARATUS FOR MONITORING WIND POWER GENERATION SYSTEM

Номер: KR1020150068600A
Принадлежит:

An apparatus for monitoring a wind power generation system is disclosed. According to the present invention, the apparatus comprises: a camera unit obtaining an image with respect to mechanical components of a wind power generation system; a sensor unit detecting monitoring information with respect to each element of a power converter of the wind power generation system; and a control unit storing image data at the time that a change is occurred when the image received from the camera unit has the change in contrast to the image in a normal state and storing the monitoring data at the time that the change is occurred when the monitoring data received from the sensor unit has the change. COPYRIGHT KIPO 2015 (10) Camera unit (20) Sensor unit (30) Control unit (40) Memory (50) Communication unit (60) Vision providing unit ...

Подробнее
27-04-2023 дата публикации

양극성 LVDC 배전망 시스템 및 이의 제어 방법

Номер: KR20230056079A
Принадлежит:

... 본 발명은 제1 크기의 전압을 가지는 전력을 공급하는 전원, 상기 전력이 인가되는 배선과 인접되게 배치되는 제1 권선 변압기 및 제2 권선 변압기, 상기 제1 권선 변압기에 연결되어 상기 제1 권선 변압기가 획득한 전력을 직류로 변환하는 제1 AC/DC 컨버터, 상기 제2 권선 변압기에 연결되어 상기 제2 권선 변압기가 획득한 전력을 직류로 변환하며 상기 제1 AC/DC와 직렬 형태의 케스케이드 방식으로 연결되는 제2 AC/DC 컨버터, 상기 제1 AC/DC 컨버터 및 상기 제2 AC/DC 컨버터의 출력이 연결되는 벅 컨버터를 포함하는 양극성 LVDC 배전망 시스템 및 이의 제어 방법을 개시한다.

Подробнее
28-12-2016 дата публикации

METHOD AND APPARATUS FOR MAINTAINING PULSE PER SECOND OF GPS AT LOW COSTS

Номер: KR1020160149913A
Принадлежит:

An apparatus for maintaining a pulse per second of GPS at low costs according to an embodiment of the present invention includes a GPS module which generates the pulse per second (1PPS) based on a signal of a GPS satellite, and a microcontroller (MCU) which detects a time interval between the pulse per seconds depending on a rising or falling edge of the pulse per second when the signal of the GPS satellite is reliable, and sets a generation period of an output signal of a timer formed inside as the detected time interval if the signal of the GPS satellite is not reliable, thereby generating the output signal. Accordingly, the present invention can maintain the precision of the pulse per second. COPYRIGHT KIPO 2017 (331) GPS module (AA) Timer capture value 1 (BB) Timer capture value 2 (CC) Timer interval value between PPSs ...

Подробнее
28-12-2017 дата публикации

SIMULATION POWER SUPPLY DEVICE BASED ON FOUR-LEG INVERTER TOPOLOGY

Номер: KR1020170142788A
Принадлежит:

An objective of the present invention is to provide a simulation power supply device based on four-leg inverter topology which constructs a system by control using a power semiconductor which is an active element and a switching technique. According to an embodiment of the present invention, the simulation power supply device based on four-leg inverter topology comprises: a first reactor to receive three-phase alternating current power; a converter which is connected to the first reactor, and includes switches of a three-phase bridge structure; an inverter unit which is connected to the converter unit in parallel, and includes four-leg inverter topology with four switches; a second reactor connected to an output end of the inverter unit; an output filter for alternating current which is connected to the second reactor, and includes three capacitors; and a controller to control operations of the converter unit and the inverter unit. COPYRIGHT KIPO 2018 (160) Controller ...

Подробнее
28-02-2018 дата публикации

ENGINE ADJUSTABLE SPEED DIRECT CURRENT WIRING SYSTEM FOR FUEL REDUCTION AND SYSTEM SIMPLIFICATION OF INDEPENDENT TYPE DIESEL POWER GENERATION SYSTEM

Номер: KR1020180020459A
Принадлежит:

According to one embodiment of the present invention, an engine adjustable speed direct current wiring method for fuel reduction and system simplification of an independent type diesel power generation system comprises: a step of computing an electricity consumption of a load terminal; a step of controlling an intensity of alternating current power such that alternating current power set to be corresponding to the electricity consumption can be supplied to the load terminal; a step of converting the controlled alternating current power to direct current power set to be corresponding to the intensity of the alternating current power; and a step of supplying the direct current power to the load terminal. COPYRIGHT KIPO 2018 (110) Control portion (120) AC power supply portion (141,142,143) Invertor (151,152,153) Load ...

Подробнее
03-01-2017 дата публикации

STANDALONE MICROGRID TEST DEVICE

Номер: KR1020170000563A
Принадлежит:

According to an embodiment of the present invention, a standalone microgrid test device comprises: a main power unit for supplying main power to a load module; a distribution power unit for supplying distribution power to the load module; and a distribution board for monitoring output power provided by the main power unit and the distribution power unit and consumption power consumed by a load, and transmitting obtained data to an energy management system while distributing and providing the power supplied from the main power unit and the distribution power unit to the load module. The standalone microgrid test device can monitor states of a distribution power source and the load, and can easily detect an error by attaching a power management terminal to the distribution board. COPYRIGHT KIPO 2017 (10) Main power supply (23) Inverter for ESS (24) Wind generator (25) Inverter for a wind generator (26) Photovoltaic generator (27) Inverter for a photovoltaic generator (32) Distribution board ...

Подробнее
12-06-2015 дата публикации

INSTRUMENTATION AND CONTROL SYSTEM USING NEAR FIELD COMMUNICATION

Номер: KR1020150064823A
Принадлежит:

Disclosed is an instrumentation and control system using near field communication. The present invention is to remove a display unit and a control unit from a measuring instrument, control a measuring instrument by using a mobile terminal, and collect data. In the system of the present invention, the measuring instrument produces measuring data by measuring a measured quantity. A moving terminal receives and displays the measuring data from the measuring instrument and transmits control data for the measuring instrument to the measuring instrument. The measuring instrument comprises: a measuring unit; a first control unit; and a first communication unit. COPYRIGHT KIPO 2015 ...

Подробнее
26-06-2017 дата публикации

SMPS FOR CONTROLLING POWER OF LOW VOLTAGE DC DISTRIBUTION POWER CONVERSION SYSTEM

Номер: KR1020170071732A
Принадлежит:

An SMPS for controlling power of a low voltage DC distribution power conversion system according to an embodiment of the present invention includes at least three or more flyback converters which includes a switching means for switching an inputted direct current, a transformer where an alternating current in proportion to a winding ratio is induced to a secondary coil if the alternating current is applied to a primary coil according to the switching operation of the switching means, an output unit which outputs a direct current supplied to a load by rectifying and smoothing the alternating current induced in the secondary coil of the transformer, a PWM controller which receives the direct current outputted from the output unit as feedback and outputs a control signal controlling the switching means, and an insulated transformer for switching which transmits a signal for turning on or off the switching means to each switching means at the same time by corresponding to the control signal ...

Подробнее
04-07-2017 дата публикации

BATTERY MANAGEMENT SYSTEM WITH SENSOR MODULE CORRESPONDING TO CROSS-OVER OF REDOX FLOW BATTERY

Номер: KR1020170076074A
Принадлежит:

The present invention relates to a battery management system comprising a stack for a redox flow battery, and a negative electrode tank and a positive electrode tank in which an electrolyte input and output to the stack is filled. The battery management system comprises: a level sensor arranged outside the negative electrode tank and the positive electrode tank and detecting information with respect to a level of the electrolyte included in the negative electrode tank and the positive electrode tank; and a controller detecting the level of the electrolyte in the negative electrode tank and the positive electrode tank according to the information with respect to the level of the electrolyte received from the level sensor, and controlling charging and discharging of the system. COPYRIGHT KIPO 2017 ...

Подробнее
08-07-2016 дата публикации

MULTI-CHANNEL POWER MEASURING SYSTEM

Номер: KR1020160080896A
Принадлежит:

A multi-channel power measuring system is disclosed. According to the system of the present invention, a system is simplified since voltage of a plurality of branch circuits can be determined simply by using a voltage signal of a bus-bar. COPYRIGHT KIPO 2016 (60) Voltage determining part (70) Synchronized signal providing part (81,82,83,84,85,86,87,88) Load (91,92,93,94,95,96,97,98) Power measuring device ...

Подробнее
08-07-2016 дата публикации

APPARATUS AND METHOD FOR CONTROLLING POWER SUPPLY SYSTEM IN SHIP

Номер: KR1020160082068A
Принадлежит:

Disclosed are an apparatus and a method for controlling a power supply system in a ship. The method of the present invention includes the steps of: allowing a converter to convert high-voltage power received from a main battery into predetermined low-voltage power and to supply the converted voltage to an electric field load; controlling the output of the converter by a constant current when an output current of the converter gets out of an allowable value; and supplying the power of the converter and power of an auxiliary battery to the electric field load. COPYRIGHT KIPO 2016 (10) Main battery (15) Distribution power converter (20) Auxiliary battery (25) Electric field load (65) Control unit ...

Подробнее
06-01-2021 дата публикации

Microgrid system considering load environment and the Methods of operation

Номер: KR102194001B1

... 본 발명은 마이크로그리드 간 에너지 프로슈머 기술을 포함하여 전력거래 시스템을 구축하고, 에너지 프로슈머 기술을 적용하여 마이크로그리드에 피크부하가 발생할 경우 다른 마이크로그리드에서 에너지를 구매하는 분산형 부하의 전력제어장치(ADR)의 네트워크 시스템을 제공하는 것을 목적으로 한다. 본 발명의 일시예에 의한 부하환경을 고려한 마이크로그리드 시스템은 다수개의 마이크로그리드와, 대형 태양광발전소와, 전력변환장치와, 집중형 부하의 전력제어장치와, 부하 프로슈머 제어장치와, 분산형 부하의 전력제어장치로 구성된다. 본 발명에 의하면, 에너지 프로슈머를 통해 남는 전기에너지를 판매함으로서 전기 생산자의 이득과 계통보다 싼 전기를 구매함으로서 소비자의 이득을 취함으로서 전체 시스템의 이용률을 개선할 수 있다. 또한 다수의 마이크로그리드 간 저압직류배전(LVDC) 망 연계를 통한 손실을 감소시킬 수 있는 효과가 있다.

Подробнее
10-06-2015 дата публикации

MOTOR WITH VARIABLE MAGNETIC FLUX

Номер: KR1020150063811A
Принадлежит:

Disclosed is a motor with a variable magnetic flux which can generate strong magnetic force of a magnetizer without exceeding an allowable electric current. The motor with a variable magnetic force according to the present invention comprises: a first winding wound a predetermined number of times around one or more among a plurality of teeth of a stator; and a second winding wound around the teeth having the first winding, wherein the first and second windings are connected to each other in parallel during the operation of the motor with a variable magnetic flux, and the first and second windings are connected in series during the magnetization of the motor with a variable magnetic flux. COPYRIGHT KIPO 2015 ...

Подробнее
07-06-2018 дата публикации

FREQUENCY MEASUREMENT DEVICE AND METHOD USING PLL TECHNIQUE

Номер: KR1020180060083A
Принадлежит:

The present invention relates to a frequency measurement apparatus and method using a PLL technique. The frequency measurement method using the PLL technique of the present invention includes a step of determining whether a set interrupt is generated; a step of reading three-phase digital phase voltage values when the set interrupt is generated; a step of converting each of the read digital phase voltage values into the voltage value of a rotational coordinate system which is a two-phase voltage value; a step of performing D-+Q conversion using the converted two-phase voltage value; and a step of sampling the D-Q conversion by a predetermined number of times and detecting a current angle and a current frequency. It is possible to improve economic efficiency because there is no need for an additional circuit configuration for frequency detection. COPYRIGHT KIPO 2018 (AA) Voltage ...

Подробнее
08-12-2017 дата публикации

MULTI-CHANNEL POWER MEASURING DEVICE

Номер: KR1020170135074A
Принадлежит:

Disclosed are a multi-channel power measuring device and method. The multi-channel power measuring device according to one embodiment of the present invention comprises; a Rogowski coil which measures differential signals of a line classified from a bus; a voltage sensor which measures voltage signals of the line; an analog-digital converter (ADC) which converts the differential signals and the voltage signals into digital signals; an integrator which integrates the converted differential signals to restore the same into current signals; and a power operation unit which uses the restored current signals and the converted voltage signals to calculate active power and reactive power, and accumulates the active power and the reactive power to measure the amount of power. Therefore, the present invention increases the accuracy of measurement by preventing magnetic saturation, and uses one current sensor to have an economical efficiency. COPYRIGHT KIPO 2017 (AA) Sampling timer interrupt (BB) ...

Подробнее
04-07-2016 дата публикации

CONTROLLER POWER SUPPLY APPARATUS OF ENERGY STORAGE SYSTEM

Номер: KR1020160078013A
Принадлежит:

Disclosed is a controller power supply apparatus of an energy storage system. When an abnormality occurs in power supplied from the system, the apparatus of the present invention controls a switch connected to the system to be off and controls a switch connected to a battery to be on, thereby stably supplying controller power while preventing the discharge of the battery. COPYRIGHT KIPO 2016 ...

Подробнее
07-01-2016 дата публикации

DYNAMO SYSTEM FOR TESTING MICRO WATER TURBINE GENERATOR

Номер: KR1020160002193A
Принадлежит:

Disclosed is a dynamo system for testing a micro water turbine generator. The system of the present invention comprises: a water pressure test device of which a micro water turbine generator enters the water; a flow valve to adjust an amount of water flowing into the water pressure device; and a pneumatic device to adjust pressure in the water pressure device. COPYRIGHT KIPO 2016 (AA) Power supply (BB) Power line (CC) sensor line (DD) Communications line ...

Подробнее
12-03-2018 дата публикации

CONTROL APPARATUS AND METHOD FOR PREVENTING FREEZING OF UREA SOLUTION

Номер: KR1020180026053A
Принадлежит:

A control method for preventing freezing of a urea solution according to one embodiment of the present invention comprises: a step of determining whether an AD interrupt operates at every set time; a step of measuring the temperature, the solution level, and the concentration of the urea solution in each urea tank by using a temperature sensor, a solution level sensor, and a temperature sensor provided at the outside of the urea tank when the AD interrupt is operated; and a step of driving a heater when the temperature of the measured solution is determined to be a set temperature or lower. COPYRIGHT KIPO 2018 ...

Подробнее
12-10-2017 дата публикации

MONITORING SYSTEM OF FACILITY BASED ON AUGMENTED REALITY

Номер: KR1020170111038A
Принадлежит:

The present invention provides a monitoring system of a facility based on augmented reality which improves efficiency and convenience of a field work by using global positioning system (GPS) and location information. According to an embodiment of the present invention, the monitoring system of a facility based on augmented reality comprises: a context generating part generating context by converting information of a reality space and information of a virtual space collected for applying augmented reality (AR); an augmented image generating part generating an augmented reality image including monitoring data of a reality object by using the generated context and an image received from an imaging device; and a display part displaying the augmented reality image. COPYRIGHT KIPO 2017 (100) Context generating part (300) Augmented image generating part (310) Image correction information generating part (330) Rendering part ...

Подробнее