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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 12. Отображено 12.
01-08-2023 дата публикации

Low-carbon level quantitative evaluation method and system for large power grid operation

Номер: CN116523369A
Автор: SON JI-WON, PENG BOYA, LIU MOSI, ZHENG KUN, SUN YAN, LI YIMING, LING WUNENG, LEE MYUNG-PO, SONG YI, LI QIUWEN, HU HONG, MENG XUANREN
Принадлежит:

The method comprises the following steps: 1, obtaining basic parameter data of the large power grid, and constructing an initial data set; 2, constructing a low-carbon level evaluation index system of large power grid operation, wherein the index system comprises a power generation link index, a power grid link index and a power utilization link index; 3, calculating all indexes in the index system by using the data of the initial data set, and preprocessing all the indexes; and step 4, determining all the pre-processed indexes, ranking the indexes according to importance, performing assignment on the importance degree ratio of the adjacent indexes according to the importance ranking and the proportion scale, determining the weight coefficient of the indexes according to an order relation analysis method, and calculating the low-carbon level comprehensive evaluation index of the large power grid operation by using a linear weighting method so as to obtain the low-carbon level comprehensive ...

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Номер записи: 1
13-06-2023 дата публикации

Integrated plant station wiring diagram management system based on cloud platform

Номер: CN116258448A
Автор: XIONG LI, LIANG ZHENCHENG, LIANG YANGDOU, LING WUNENG, SON JI-WON, WEN LIBIN, LIU MOSI, MO DONG, GUO MIN, WANG CHANGYUAN
Принадлежит:

The invention provides an integrated plant station wiring diagram management system based on a cloud platform, which solves the problem that a wiring diagram is inconvenient to uniformly store and manage, and the like, and comprises a bus and an exchanger which are connected with a server layer, the bus is connected with a provincial dispatching center, the bus is connected with a private network through a router, the router is equipped with a firewall, and the firewall is connected with the server layer. And the private network is connected with the ground-level dispatching center. The method has the advantages of good management effect, good drawing adaptability and the like.

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Номер записи: 2
09-06-2023 дата публикации

Power system optimization scheduling method and system based on firefly algorithm

Номер: CN116245328A
Автор: LIANG ZHENCHENG, YANG YUDE, LI LING, FENG YUAN, LI LI, LI BIN, SUN YAN, LI PEIJIE, LIANG YANGDOU, XIONG LI, LING WUNENG, LI QIUWEN, MO DONG, DENG QIUQUAN
Принадлежит:

The invention discloses a firefly algorithm-based power system optimization scheduling method and system, and relates to the field of power system combination scheduling. The method comprises the following steps: acquiring operation cost data of a power system; the operation cost data comprises power generation cost and start-stop cost; constructing a unit commitment model according to the operation cost data; the unit commitment model comprises an objective function and constraint conditions; the objective function is constructed by taking the minimum total cost of the power system as an objective; the constraint conditions comprise a supply and demand balance constraint, a spinning reserve constraint, a unit operation output constraint, a start-stop time constraint and a slope climbing and descending constraint; solving the target function according to the constraint condition by adopting a firefly algorithm to obtain an optimal scheduling scheme of the power system; the optimal scheduling ...

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Номер записи: 3
13-06-2023 дата публикации

Double-fed fan active power output control method based on virtual inertia and virtual damping

Номер: CN116260157A
Автор: LIU MOSI, SON JI-WON, ZHENG KUN, LI MINGPO, XIONG LI, ZHANG YIHUI, LU GUANGLING, LING WUNENG, HU HONG, MENG XUANREN
Принадлежит:

The invention discloses a double-fed wind turbine active output control method based on virtual inertia and virtual damping. The method comprises the steps that S1, a mathematical model containing a double-fed asynchronous wind turbine generator is established; s2, linearizing the electric power system mathematical model containing the doubly-fed asynchronous wind power generator at the balance point; s3, virtual inertia and virtual damping control are introduced, and values of control parameters of the virtual inertia and the virtual damping are changed; and S4, changing the virtual inertia and the virtual damping by adopting a particle swarm algorithm. By changing the electromagnetic torque, the rotating speed of the rotor of the doubly-fed asynchronous wind driven generator is reduced, the kinetic energy of the rotor is converted into electromagnetic power, and then the disturbance power vacancy of the system is supplemented through the electromagnetic power. The output of the electromagnetic ...

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Номер записи: 4
30-05-2023 дата публикации

Power system operation optimization method based on carbon emission flow

Номер: CN116186981A
Автор: SON JI-WON, PENG BOYA, LIU MOSI, ZHENG KUN, SUN YAN, LING WUNENG, HU HONG, LI MINGPO
Принадлежит:

The invention discloses an electric power system operation optimization method based on carbon emission flow, which comprises the following steps of: acquiring operation data and system parameters of an electric power system, and calculating direct current power flow of the electric power system; calculating the carbon potential of a load node in the power system according to the carbon emission flow theory of the power system; establishing a carbon emission responsibility analysis model; establishing an electricity price model considering the carbon potential; establishing a controllable load participation demand response model; based on a demand response method taking the carbon potential as a signal, establishing a low-carbon operation model of the power system; and solving the optimal unit output and load according to the operation data of the power system, so as to carry out optimal scheduling on the power system. According to the method, the carbon emission responsibility allocation ...

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Номер записи: 5
03-09-2014 дата публикации

Cutoff measure cooperated power flow monitoring method of electromagnetic ring network

Номер: CN104022533A
Автор: SUN YAN, LI RUQI, LI LING, HANG NAISHAN, DENG QIUQUAN, LING WUNENG, WU MIN, ZHOU ZHICHENG, WANG DEFU, SU YI, WANG GANG, HUANG LONG, ZHANG YIYI
Принадлежит:

The invention discloses a cutoff measure cooperated power flow monitoring method of an electromagnetic ring network, and aims at providing the method which enables that a low-voltage line is not overcurrent when a high-voltage line is tripped and cut off and a cutoff measure is adopted in the high/low voltage electromagnetic ring network. According to different output of cut sets, the distribution coefficient of the high/low voltage electromagnetic ring network is calculated in a routine distribution coefficient method; power generation transfer factors of the low and high voltage lines are calculated in a power flow control method of the cutoff measure; the high/low voltage electromagnetic ring network is monitored according to a certain formula when the electrical network operates normally; and when the high-voltage line is tripped and cut off, a power scheduling control center adopts the cutoff measure to cut off the sets to ensure that the low-voltage line is not overcurret and ensure ...

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Номер записи: 6
01-08-2023 дата публикации

Wind power climbing event probability evaluation method

Номер: CN116526446A
Автор: YANG YOUHUI, DONG SHENSONG, WEI ZHIWEI, LING WUNENG, CHEN MINGYUAN, LIANG YANGDOU, QIN FANGLU, XIE DAIYU, CHEN TAO
Принадлежит:

The invention belongs to the field of power grid dispatching operation, and particularly relates to a wind power climbing event probability evaluation method, which comprises the following steps of S1, constructing a wind power climbing event prediction algorithm proxy model; s2, constructing single to-be-predicted meteorological data time sequence sample point probability distribution; s3, carrying out large-capacity sampling on the probability distribution of the single meteorological data time sequence to be predicted, and constructing a secondary sample space; and S4, quickly calculating the space sample probability of the secondary sample by using the proxy model. According to the method for evaluating the probability of the wind power climbing event, meteorological data prediction errors are fully considered, the probability value is used for describing the wind power climbing event, the new method for evaluating the probability of the wind power climbing event is provided, the probability ...

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Номер записи: 7
23-06-2023 дата публикации

SVG plant station wiring diagram drawing system based on web

Номер: CN116309900A
Автор: XIONG LI, LIANG ZHENCHENG, KIM KYUNG IN, LIANG YANGDOU, LING WUNENG, LI LING, LI LI, SUN YAN, LIN JIE, KONG XIANGYUN
Принадлежит:

The invention provides a web-based SVG (scalable vector graphics) plant station wiring diagram drawing system and a web-based SVG plant station wiring diagram drawing method, which solve the problems of inconvenience in wiring diagram drawing and the like caused by inconsistent drawing formats, and comprise an access interface module, a drawing standard module, a graph conversion module, an intelligent drawing module and an automatic drawing module which are developed and operated based on a Batik toolkit. An SVG technology is combined with a CIM model standard. The method has the advantages of convenience in wiring diagram drawing, high interactivity and the like.

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Номер записи: 8
13-06-2023 дата публикации

Electric power and electric quantity balance optimization scheduling method and system

Номер: CN116260194A
Автор: PENG BOYA, SON JI-WON, LIU MOSI, SUN YAN, ZHENG KUN, LING WUNENG, LI MINGPO, RAO XIAJIN
Принадлежит:

The invention discloses an electric power and electric quantity balance optimization scheduling method and system. The method comprises the following steps: acquiring electric power system operation data and electric power system parameters; establishing a long-term optimization scheduling model in the system; establishing a system short-term optimization scheduling model; establishing a hybrid energy storage system charging and discharging scheduling model; inputting the operation data of the power system into the medium-and-long-term optimization scheduling model of the system; inputting the operation data of the power system into the system short-term optimization scheduling model; and inputting the operation data of the power system, the water and electricity distribution quantity and the charging and discharging strategies of the energy storage devices in the hybrid energy storage system into the charging and discharging scheduling model of the hybrid energy storage system. According ...

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Номер записи: 9
04-07-2023 дата публикации

Virtual synchronous generator inertia optimization method and system

Номер: CN116388263A
Автор: LIU MOSI, SON JI-WON, ZHENG KUN, LI JINZHAO, YANG YIYUN, LI MINGPO, ZHANG YIHUI, LING WUNENG, HU HONG, MENG XUANREN, DOU QIAN
Принадлежит:

Establishing a synchronous generator model and a virtual synchronous generator model; determining a state matrix of the equivalent power system before optimization by combining the two models, and calculating a damping ratio of the equivalent power system before optimization based on the state matrix; calculating a virtual inertia value required to be provided by each virtual synchronous generator by using the virtual inertia optimization model; substituting the virtual inertia value into the state matrix before optimization to obtain an optimized state matrix, and calculating a damping ratio of the equivalent power system after optimization based on the optimized state matrix; the damping ratio before optimization is compared with the damping ratio after optimization, and when the damping ratio after optimization is larger than the damping ratio before optimization, the equivalent power system is more stable after optimization; and after the optimization process is finished, outputting ...

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Номер записи: 10
04-08-2023 дата публикации

Generation method and system of electric quantity transaction quotation decision

Номер: CN116542732A
Автор: SON JI-WON, PENG BOYA, LIU MOSI, LING WUNENG, LI QIUWEN, SUN YAN, LI YIMING, LI MINGPO, SONG YI, ZHENG KUN, HU HONG, MENG XUANREN
Принадлежит:

The invention provides an electric quantity transaction quotation decision generation method and system, and the method comprises the steps: determining an environment reward of a power plant in a monthly centralized bidding transaction, and determining an electric power market state, a power plant state and a power plant action space; establishing a training sample set of a strategy network by using the power market state, the power plant state and the power plant action space, and establishing a training sample set of a value network by using the power market state, the power plant state and the environment reward; based on the training sample set of the strategy network and the training sample set of the value network, an optimal quotation network model of the power plant is obtained through a training mechanism of a near-end strategy optimization algorithm, and decision making of power plant electric quantity transaction quotation is achieved. On the premise of meeting a certain operation ...

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Номер записи: 11
11-08-2023 дата публикации

Power transmission section active correction control method, system and equipment

Номер: CN116581759A
Автор: LI LING, YANG YUDE, LI LI, LUO YUYING, SUN YAN, LI BIN, XIONG LI, LI PEIJIE, LIANG ZHENCHENG, LI GUANGMING, LUO CUIYUN, LIANG YANGDOU, LING XIEJIN, LING WUNENG
Принадлежит:

The invention discloses a power transmission section active power correction control method, system and device, and relates to the field of power systems, the method comprises the following steps: carrying out load flow calculation on operation data, and determining line transmission power between branches of the power system in different operation modes; training an artificial intelligence model by using a data set composed of generator active power and line transmission power, and determining a power sensitivity calculation model; determining a key power transmission section of the power system, setting an anticipated fault set according to an N-1 principle, and determining a section line power transmission limit; determining power sensitivity according to the section line power transmission limit and a power sensitivity calculation model; and constructing an objective function and a constraint condition, and optimizing and correcting the active power of the generator in combination with ...

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Номер записи: 12