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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 7. Отображено 7.
28-04-2023 дата публикации

Distribution network loss reduction strategy based on locating and sizing of distributed power supply

Номер: CN116031883A
Автор: LI PING, DONG HENAN, LIU ZHILI, JIN SHUOWEI, LI TINGTING, LI SHENGHUI, CHENG XUKE, ZHAO XIN, LI GUANGDI, ZHANG GUANFENG, JIA QI, ZHOU BOWEN, YANG DONGSHENG, BAI XUE, SUN GUANGYU, ZHOU LI
Принадлежит:

The invention discloses a power distribution network loss reduction strategy based on distributed power supply locating and sizing, and the strategy comprises the steps: 1, completing the simplification of a first power system model, and obtaining a branch power flow equation from a unit equivalent circuit between any two nodes; step 2, calculating a voltage phase angle by utilizing a branch power flow equation and considering branch resistance influence; step 3, correcting the voltage amplitude of the node by using the voltage phase angle; 4, improving a traditional grey wolf optimization algorithm and a direct current power flow algorithm after node voltage assignment correction; 5, determining the optimal position and capacity of the distributed power supply by using an improved grey wolf optimization algorithm and a direct current power flow algorithm; and step 6, obtaining the position and the capacity of the distributed power supply when the loss value is minimum by using the optimal ...

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Номер записи: 1
04-07-2023 дата публикации

Industrial load electricity consumption prediction method based on grey prediction

Номер: CN116384530A
Автор: LIU YU, CHEN YUDA, CAO YANG, XU DALI, JIAO ZHEN, YANG DONGSHENG, LI GUANGDI, ZHOU BOWEN, WANG YINGCHUN, LUO YANHONG, JIN SHUOWEI
Принадлежит:

The invention relates to an industrial load electricity consumption prediction method based on grey prediction, and the method comprises the steps: 1, obtaining an original sample set of historical data of a to-be-predicted industrial load electricity consumption unit in a period of time, and obtaining an original data sequence; step 2, carrying out level ratio calculation between data on the data sequence, and carrying out applicability judgment on a grey prediction model; 3, performing primary accumulation on the data sequence meeting the requirements to obtain a primary accumulation generation sequence; 4, establishing a residual grey prediction model and a dynamic equal-dimensional new information grey prediction model for the primary accumulation generation sequence, and respectively obtaining predicted values; 5, combining prediction results of the residual grey prediction model and the dynamic equal-dimensional new information grey prediction model to obtain a power consumption prediction ...

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Номер записи: 2
07-04-2023 дата публикации

Voltage collaborative loss reduction method for power distribution network containing distributed power supplies and electric vehicles

Номер: CN115940179A
Автор: LI PING, LIU ZHILI, CHENG XUKE, JIN SHUOWEI, LI TINGTING, LI SHENGHUI, DONG HENAN, ZHAO XIN, LI GUANGDI, ZHANG GUANFENG, ZHOU BOWEN, YANG DONGSHENG, BAI XUE, ZHOU LI
Принадлежит:

The invention discloses a voltage collaborative loss reduction method for a power distribution network containing a distributed power supply and an electric vehicle. The method comprises the following steps: step 1, constructing a sensitivity coefficient; step 2, after constructing a sensitivity coefficient, estimating an extreme voltage to obtain the extreme voltage and a position; 3, after the extreme voltage and the position are obtained, a reactive power control method based on a sensitivity coefficient is adopted, and voltage cooperative loss reduction is carried out according to reactive power provided by an intelligent agent; and 4, when the reactive power of the intelligent agent is insufficient and an expected effect cannot be achieved, activating a distributed power supply active power reduction strategy based on sensitivity. The control algorithm of the invention optimizes the voltage depending on sensitivity analysis.

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Номер записи: 3
04-04-2023 дата публикации

Interaction control method and device for distributed power supply system containing industrial load and power grid

Номер: CN115912486A
Автор: NING LIAOYI, LIANG KAI, LIU YU, CHEN YUDA, LI YANG, CAO YANG, XU DALI, JIAO ZHEN, YANG DONGSHENG, LI GUANGDI, ZHOU BOWEN, WANG YINGCHUN, LUO YANHONG, JIN SHUOWEI
Принадлежит:

The invention designs an interactive control method and device for a distributed power supply system containing an industrial load and a power grid. According to the method, a double-layer control architecture for interaction between an industrial distributed power supply system and a power grid is designed, and an industrial production process optimization control system is established in a distributed control mode of a multi-agent consistency algorithm in lower-layer control, so that maximum utilization of renewable energy sources in the industrial production process is realized; and meanwhile, plug and play of the distributed gas turbine and the distributed energy storage equipment is realized. Meanwhile, the operation cost of industrial production is reduced to the minimum through a distributed deep reinforcement learning algorithm in the upper layer control, and economic operation of industrial production is achieved on the premise that safe operation of industrial production is guaranteed ...

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Номер записи: 4
11-04-2023 дата публикации

Novel modular resonant DC conversion topology

Номер: CN115955119A
Автор: LI GUANGDI, YANG DONGSHENG, ZHOU BOWEN, WANG YINGCHUN, LUO YANHONG, JIN SHUOWEI, ZHANG ZHIBO
Принадлежит:

The invention discloses a novel modular resonant DC conversion topology, which comprises a power supply, a rectifying circuit, an output circuit, N-1 flying capacitors, N input capacitors, a resonant DC-DC circuit and a transformer, the primary side of the transformer is connected with the input capacitor through the resonant DC-DC circuit; capacitors are connected in series and then connected to a power supply. The flying capacitor is connected in series between two adjacent resonant DC-DC circuits; secondary sides of the transformers are connected in series and then connected with the output circuit through the rectification circuit. According to the novel modular resonant direct-current conversion topology, direct-current power conversion is achieved, input and output are electrically isolated through the high-frequency transformer, and the application range is wide; the converter is customized through the modular series structure, the voltage and current stress of a switching tube is ...

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Номер записи: 5
14-04-2023 дата публикации

Method and device for optimizing and utilizing energy in magnesium oxide production process

Номер: CN115963790A
Автор: LIU YU, CHEN YUDA, CAO YANG, XU DALI, JIAO ZHEN, YANG DONGSHENG, LI GUANGDI, ZHOU BOWEN, WANG YINGCHUN, LUO YANHONG, JIN SHUOWEI
Принадлежит:

The invention provides a magnesium oxide production process energy optimization utilization method and device, which can be applied to magnesium oxide production process energy utilization optimization and participation in power grid interaction, and is beneficial to improving the energy utilization rate, production process optimization and power grid interaction capability in the magnesium oxide production process. And electric energy replacement and industrial upgrading of industrial enterprises are promoted. The method comprises the following steps: step 1, establishing a magnesium oxide production process energy utilization model; 2, based on the adjustable capacity in the magnesium oxide production process, an optimization control method in the magnesium oxide production process is provided; and 3, based on a magnesium oxide enterprise participation power grid interaction capability improvement technology, comprehensively considering results obtained in the step 1 and the step 2, on ...

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Номер записи: 6
23-06-2010 дата публикации

Circuit oscillation device for generating and controlling clock signals

Номер: CN0101753131A
Автор: DUAN MAOQIANG, JIN SHUOWEI, LIU TIEFENG, LIU ZHIFENG, LU YAN, WANG JIANJUN, MAOQIANG DUAN, SHUOWEI JIN, TIEFENG LIU, ZHIFENG LIU, YAN LU, JIANJUN WANG
Принадлежит:

The invention discloses a circuit oscillation device for generating and controlling clock signals. In the device, a control and offset circuit module is taken as a core, a signal output end thereof is connected with a standard generation circuit module and is also connected with an oscillation generation circuit module and a clock output circuit module; and the output end of the standard generation circuit module is also connected with the oscillation generation circuit module and the clock output circuit module. For adopting a modularization design, the invention has the advantages of simple structure, low power consumption, reusability and cost saving and can integrate in a chip, generate and control the clock signals, enhance the integration level, the stability and the reliability of a circuit, generate a clock of 460.8kHz by adopting the oscillation device circuit, support the effective functions of chip selection and support that an external clock directly inputs and/or uses an external ...

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Номер записи: 7