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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

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Мониторинг СМИ

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

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 18. Отображено 18.
29-08-2023 дата публикации

Relay protection professional knowledge graph service access and visual display system

Номер: CN116662429A
Принадлежит:

The invention discloses a relay protection professional knowledge graph service access and visual display system which comprises a data layer, a network layer, a platform layer and an application layer. The data layer is used for acquiring data from the relay protection system; the network layer comprises a knowledge graph database and a data fast processing module, the knowledge graph database is used for storing data such as entities, attributes and relationships in a knowledge graph, and the data processing module is used for processing and processing a large amount of information such as entities, attributes and relationships contained in the knowledge graph; the platform layer provides basic support for the network layer; the application layer comprises a visual interface module and an application program interface module, the visual interface module displays knowledge graph data, entities, attributes, relationships and network structures in a graphical mode, and the application program ...

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16-05-2023 дата публикации

SCD file communication parameter and port verification method and system

Номер: CN116132291A
Принадлежит:

The invention discloses an SCD file communication parameter and port verification method and system. The method comprises the following steps: extracting effective configuration information of each IED device from an intelligent substation SCD file; setting an MMS configuration rule, a station level network division rule, a GOOSE block configuration rule, a process level network division rule and a process level switch port verification rule; carrying out matching verification on a station level network where the IED is located and communication parameters thereof, an MMS configuration rule and a station level network division rule; performing matching verification on the process layer network where the IED is located and the communication parameters of the IED, the GOOSE block configuration rule and the process layer network division rule; and performing matching verification on the effective configuration information in the process layer switch and the process layer switch port verification ...

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31-12-2014 дата публикации

YNd11 transformer longitudinal differential protection current phase compensation method

Номер: CN104253412A
Автор: TANG DAHAI, CAO HAIOU, CAO BIN
Принадлежит:

The invention belongs to a relay protection control technique of a power transmission and distribution network and relates to a YNd11 transformer longitudinal differential protection current phase compensation method. Secondary winding current of a phase-c TA (current transformer) on a side d of a YNd11 transformer is connected into a phase-a current loop of the side d of YNd1 computerized transformer differential protection; secondary winding current of a phase-b TA on the side d of the YNd11 transformer is connected into a phase-b current loop of the side d of YNd1 computerized transformer differential protection; secondary winding current of a phase-a TA on the side d of the YNd11 transformer is connected into a phase-c current loop of the side d of YNd1 computerized transformer differential protection; phase compensation software of a YNd1 computerized transformer differential protection device is used for conducting phase compensation on YNd11 transformer differential protection. The ...

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02-05-2023 дата публикации

Device and method for checking real-time consistency of intelligent substation

Номер: CN116055351A
Принадлежит:

The invention discloses an intelligent substation model consistency checking device and method, and the device achieves the online and offline checking of virtual connection CRC of a station control layer and a process layer through a man-machine interaction module, an SCD analysis module, an MMS communication module, a GOOSE message analysis module, an SV message analysis module, data storage and distribution, check code comparison, message checking, text comparison and consistency report generation. Homology checking of CRC and SCD files of the CID can be achieved, consistency checking of the SCD files of the intelligent substation and actual IED equipment configuration can be effectively achieved, when the SCD files and the actual IED equipment configuration are inconsistent, field personnel can be managed to replace the configuration, finally, configuration consistency of the substation is achieved, safe operation reliability of the substation is improved, the problem of inconsistent ...

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30-04-2014 дата публикации

Relay protection method for accelerated removal of dead zone faults of transformer based on open positions of circuit breakers

Номер: CN103762553A
Принадлежит:

The invention relates to a relay protection method for accelerated removal of dead zone faults of a transformer based on the open positions of circuit breakers. According to the method, in trip control of the dead zone faults of one side of the transformer, the following conditions are set, firstly, a spare trip protection outlet relay on the side of the transformer is in an action state or other electrical capacity trip protection outlet relays are in an action state; secondly, the A phase current or the B phase current or the C phase current of the side of the transformer reaches a starting value, or the zero-sequence current Io or the negative-sequence current I2 reaches the starting value; if both the conditions are met, a transformer differential trip protection main outlet loop is started after delay, and the circuit breakers on the sides for tripping off the transformer are started; if no condition is met, 0s is returned, and the transformer differential trip protection main outlet ...

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08-10-2014 дата публикации

Combined electrochemical ozone treatment device for antibiotic wastewater and treatment method thereof

Номер: CN104085963A
Принадлежит:

The invention provides a combined electrochemical ozone treatment device for antibiotic wastewater and a treatment method thereof, relates to an advanced oxidation treatment method for the antibiotic wastewater and in particular relates to a device for treating the antibiotic wastewater and a method for treating the antibiotic wastewater. The combined electrochemical ozone treatment device for the antibiotic wastewater and the treatment method thereof can be used for solving the technical problems that the traditional treatment method is low in treatment efficiency and toxicity is enhanced after advanced oxidation treatment is carried out on antibiotic. The combined electrochemical ozone treatment device for the antibiotic wastewater comprises an ozone generator, a direct current power supply, a reaction tank, an anode, a cathode, an aerator, a magnetic thermal stirrer and a temperature probe. The treatment method of the combined electrochemical ozone treatment device for the antibiotic ...

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13-08-2014 дата публикации

Method for enhanced degradation of antibiotics in sewage by combination of ultrasound/ozone

Номер: CN103979636A
Принадлежит:

The invention discloses a method for enhanced degradation of antibiotics in sewage by combination of ultrasound/ozone and relates to a method for degrading antibiotics in sewage, solving the problems that the existing antibiotics-containing wastewater treatment method is long in needed time and not suitable for treating high-concentration antibiotic wastewater, a final product is great in toxicity, parent contaminants cannot be completely degraded, treatment cost is high and energy consumption is large. The method comprises the following steps of adding wastewater containing the antibiotics into a cylindrical reactor, regulating pH; and starting an ultrasonic generating device and an ozone generator to treat together. The method disclosed by the invention is applied to the water treatment field.

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14-04-2023 дата публикации

Method for dividing checking range of secondary virtual loop of intelligent substation

Номер: CN115964343A
Принадлежит:

A method for dividing a checking range of a secondary virtual loop of an intelligent substation comprises the following steps of: dividing IED (Intelligent Electronic Device) equipment of the whole substation into full-loop equipment and model loop equipment, and manually selecting the checking range of the virtual loop without picking loop equipment, so that a basis is provided for checking the secondary loop of the intelligent substation, and the checking range of the virtual loop is clearly known; and the checking accuracy of the secondary circuit of the intelligent substation is ensured.

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02-05-2023 дата публикации

Online management and control method and system for version of configuration description file of intelligent substation system

Номер: CN116049123A
Принадлежит:

The invention provides an intelligent substation system configuration description file version online management and control method and system, and the method comprises the steps: obtaining a locally stored version list, and receiving a request of a target file version number; analyzing the obtained system configuration description file, and displaying data in the attribute model structure of the intelligent electronic equipment; in response to an editing request for the system configuration description file in the joint debugging process of the intelligent substation, storing and identifying the modified new file version, and updating and modifying the index table; performing data synchronization with the cloud, sending a file of the latest version and modifying index table summary information; and receiving a newest version number fed back by the cloud and formed by summarizing the modification of the target file, and updating the local version to the newest version. In the joint debugging ...

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15-08-2023 дата публикации

SCD process layer virtual loop configuration method and system based on standard virtual loop model

Номер: CN116595713A
Принадлежит:

The invention discloses an SCD process layer virtual loop configuration method and system based on a standard virtual loop model, and the method comprises the steps: constructing a standard virtual terminal template according to the description of a standard virtual terminal signal through employing an analogy and expansion method; establishing a mapping relation between the virtual terminal of the actual IED equipment model and the standard virtual terminal template to form a standard virtual terminal mapping template; a virtual terminal of the actual IED equipment model comes from the SCD file; the standard virtual loop model describes process layer virtual connection between different types of IED equipment models by using a standard virtual terminal template to obtain the standard virtual loop model; based on the attribute codes, matching each IED equipment model in the initial SCD file to be configured with the standard virtual loop model; and based on the standard virtual terminal ...

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15-08-2023 дата публикации

SCD virtual terminal loop verification result determination and visualization method and device

Номер: CN116595714A
Принадлежит:

The invention discloses an SCD virtual terminal loop verification result judgment and visualization method and device. The method comprises the steps that a virtual terminal loop library is established, and an ICD virtual terminal and an ICD virtual terminal path map a standard virtual terminal at the same time; establishing a standard virtual terminal loop, wherein the standard virtual terminal loop is a logical operation combination of a plurality of standard virtual terminals; configuring a standard virtual terminal loop, including a connection type, a sending side equipment type, a sending side virtual terminal, a sending side compatible virtual terminal, a receiving side equipment type, a receiving side virtual terminal, a receiving side compatible virtual terminal, a forced attribute and an evaluation attribute; outputting a virtual terminal loop verification result based on a virtual terminal loop verification principle; establishing an evaluation system of the virtual terminal loop ...

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05-05-2023 дата публикации

Non-homologous configuration consistency verification method and system based on effective configuration information

Номер: CN116069549A
Принадлежит:

The invention discloses a non-homologous configuration consistency verification method and system based on effective configuration information, and the method is characterized in that the method comprises the following steps: 1, obtaining a verification demand of non-homologous configuration, and collecting a configuration file from non-homologous equipment according to the verification demand; 2, effective configuration information is extracted from the configuration files, and check codes of the effective configuration information are calculated through a cyclic redundancy algorithm; and step 3, comparing the check codes to obtain a consistency check result. The checking result is scientific and reasonable, a configuration file cutting method is provided, and configuration consistency checking between various integrated configuration files and independent configuration files is achieved.

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08-08-2023 дата публикации

Virtual loop verification method and system based on IED equipment in intelligent substation

Номер: CN116561978A
Принадлежит:

A virtual loop verification method and system based on IED equipment in an intelligent substation are characterized in that the method comprises the following steps that 1, configuration files of all the IED equipment in the intelligent substation are collected, and configuration attribute information of all the IED equipment is extracted from the configuration files; step 2, determining a cross-interval connection mode between any two IED devices based on the configuration attribute information; 3, cross-interval connection between any two IED devices is defined as a possible virtual loop channel, and branch numbers of the virtual loop channel are distributed and checked on the basis of the cross-interval connection; wherein the step of checking the branch number of the virtual loop channel comprises polarity checking, logic checking and classification checking. The method is effective and reliable, the establishment process of the virtual loop intermediate template is greatly reduced, ...

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03-12-2014 дата публикации

YNd9 transformer longitudinal differential protection current phase compensation method

Номер: CN104184121A
Автор: TANG DAHAI, CAO HAIOU, CAO BIN
Принадлежит:

The invention belongs to relay protection control technologies of a power transmission and distribution network, and relates to a YNd9 transformer longitudinal differential protection current phase compensation method. According to the YNd9 transformer longitudinal differential protection current phase compensation method, a YNd9 wiring transformer d-side c-phase TA secondary winding current is connected to an a-phase current loop of a YNd11 wiring computerized transformer differential protection d side; a YNd9 wiring transformer d-side b-phase TA secondary winding current is connected to a b-phase current loop of the YNd11 wiring computerized transformer differential protection d side; a YNd9 wiring transformer d-side a-phase TA secondary winding current is connected with a c-phase current loop of the YNd11 wiring computerized transformer differential protection d side; phase compensation is carried out on YNd9 wiring transformer differential protection through software phase compensation ...

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12-11-2003 дата публикации

Special communication management machine of automation system of converting station for power system

Номер: CN0001455490A
Принадлежит:

The motherboard 1 of the communication machine in the supervisor through the display interface and the keyboard interface is connected to the main control board 2 of the communication supervisor as well as the display and keyboard module 3 respectively. In the said main control board 2, the CPU kernel control module 21 is connected to the standby serial extensive module 22 and the industry Modem communication control module 24. The CPU kernel control module 21 through the signal line of the standby serial extensive module is connected to the signal line interface module 28 of the main controlboard. The CAN bus interface control module 25 is connected to the signal line interface module. Moreover, CPU kernel control module, CPLD extensive module, the CAN bus interface control module, the program storage, the data storage and the signal line interface module are connected to the address bus, the data address, the read/write control bus respectively.

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28-07-2023 дата публикации

Method and system for expressing 3/2 wiring association relationship

Номер: CN116505652A
Принадлежит:

The invention discloses a method and a system for expressing a three-second wiring association relationship. The method comprises the following steps of: dividing interval types under 3/2 wiring; the attributes of the IED under the 3/2 wiring are divided; iED standard model attributes are formed by using equipment types, interval types, voltage classes, wiring modes, sleeve identification, switch attributes and extension attributes; according to the IED standard model attributes and the coding rule of the IED feature codes, establishing the IED feature codes for each IED under the 3/2 wiring; and establishing a virtual loop connection relationship between different IED feature codes, and expressing a three-second wiring association relationship. By introducing switch attributes to form IED standard model attributes, a minimum unit model for describing an incidence relation under 3/2 wiring is obtained, and equipment of the same type in the same string is distinguished. And based on IED ...

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05-05-2023 дата публикации

Main wiring diagram automatic generation method based on virtual loop connection relation

Номер: CN116070383A
Принадлежит:

A main wiring diagram automatic generation method based on a virtual loop connection relation comprises the following steps: by analyzing names and descriptions of IEDs in an intelligent substation SCD file and a virtual loop relation between the IEDs, constructing equal intervals of a main transformer, a bus and a line, and forming a primary topological relation of each voltage level, so as to generate a primary main wiring diagram; and the incidence relation of the primary and secondary equipment is displayed on the main wiring diagram. According to the method, the primary equipment topological relation and the incidence relation of the primary equipment and the secondary equipment implied in the SCD file can be efficiently and graphically displayed, substation field engineering personnel can more intuitively and rapidly know the SCD content, and the working efficiency of field engineering configuration and verification can be remarkably improved.

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08-08-2023 дата публикации

SCD virtual loop template model and modeling and application method thereof

Номер: CN116561941A
Принадлежит:

The invention discloses an SCD virtual loop template model and a modeling and application method thereof, and the module comprises an IED device unit which has basic attributes and extended attributes; the standard virtual terminal has the attributes of sending, receiving, GOOSE (Generic Object Oriented Substation Event) and SV; according to the virtual loop template, standard virtual terminals are used for describing correct connection relations between virtual terminals of IED equipment units with specific voltage grades, wiring modes, interval types and equipment types, and subdivision of virtual loops between the IED equipment units is achieved through interval numbers, branch numbers, associated buses and sleeve types; and the virtual terminal mapping template is used for establishing a mapping relation between a terminal path in the actual SCD file of the transformer substation and a standard virtual terminal so as to realize application of the virtual loop template and complete correctness ...

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