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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 11. Отображено 11.
25-04-2023 дата публикации

Method and system for identifying power loss of two-end hybrid direct current power transmission system

Номер: CN116011763A
Автор: LIU TIANYI, YAN YUNSONG, CHEN YONGHUA, LAI YENING, LI BIJUN, SUN NING, YIN YUJUN, LI MINGYING, WANG ZHONGMING, XUE AIWEN, HU YANG, SHI GUANGYUAN, ZHANG QIAN
Принадлежит:

The invention discloses a method and a system for identifying the power loss of a two-end hybrid direct-current transmission system, and the method comprises the steps: judging whether the two-end hybrid direct-current transmission system has a direct-current power prompt drop or a converter locking fault or not according to the electric quantity information of a converter and the direct-current operation and fault information according to the operation characteristics of the two-end hybrid direct-current transmission system; and according to the post-accident direct current pole transmission power information, the post-accident direct current transmission power is updated, and the direct current transmission power during stable operation is combined to identify the power loss amount of the direct current transmission system. According to the invention, the stability control device can accurately and effectively identify the power loss amount of the DC power transmission system under the ...

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Номер записи: 1
09-06-2023 дата публикации

Cooperative processing system and method suitable for power grid safety and stability control device

Номер: CN116247805A
Автор: YAN YUNSONG, REN JIANFENG, WANG LEI, LAI YENING, XU TE, WANG JILIN, XU JIE, XU GAOYANG, ZHANG ZIMING, WU JUN, SI QINGHUA, ZHOU ZHIWEI, GAO FEI, YIN XUYANG, CUI QIANG
Принадлежит:

The invention discloses a cooperative processing system and method suitable for a power grid security and stability control device, and the system comprises a current station stability control device, a plurality of subordinate station stability control devices, a message distribution receiving module, a data processing module, a command processing module, and a cooperative processing module. Wherein the current station stability control device and the plurality of subordinate station stability control devices are sequentially connected end to end to form an annular network architecture, and when the current station stability control device and the plurality of subordinate station stability control devices generate cooperative interaction messages, the cooperative interaction messages are executed in a circular message queue mode; and the message distributing and receiving module is used for receiving cooperative interaction messages in the circular message queue and distributing the cooperative ...

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Номер записи: 2
25-07-2023 дата публикации

Continuous frequency emergency control method and system

Номер: CN116488197A
Автор: CHANG HAIJUN, LYU RUI, LIU FUSUO, WANG CHAO, WU XUELIAN, HUANG HUI, LI WEI, LAI YENING, LI ZHAOWEI
Принадлежит:

The invention discloses a continuous frequency emergency control method and system, and the method comprises the steps: calculating the average frequency of a system in real time based on a transient frequency track of a power grid, and triggering the first frequency emergency control when monitoring that the average frequency of the system is smaller than a low-frequency risk value of the frequency emergency control; triggering second frequency emergency control when monitoring that the average frequency of the system is greater than the frequency emergency control high-frequency risk value; according to the method, the first transient emergency control quantity is calculated and the control is triggered according to the transient real-time power unbalance quantity of the power grid, and then the second frequency emergency control is calculated and triggered based on the new energy off-network quantity information collected by the panoramic monitoring system aiming at the high frequency ...

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Номер записи: 3
13-08-2021 дата публикации

Information and physics collaborative analysis and defense system for hostile attack

Номер: CN113259366A
Автор: NI MING, LI MANLI, LAI YENING, YAN YUNSONG, SI QINGHUA, XU XIONGFENG, WANG JIAN, LIU XUAN, ZHANG LIQUAN, ZHAO WEI, LI XIAO, 倪明, 李满礼, 赖业宁, 颜云松, 司庆华, 徐雄峰, 王健, 刘旋, 张丽全, 赵巍, 李晓
Принадлежит:

The invention discloses an information and physics collaborative analysis and defense system aiming at hostile attacks, which realizes data interaction among different systems by carrying out transformation and function improvement on the different systems on the basis of the existing network security management platform, security control centralized management system and power grid security defense system, completes the cooperative cooperation among different systems, and establishes an information-physical collaborative analysis and defense framework. The system is improved on the basis of an existing system, information-physical cooperative defense can be achieved, the capacity of the existing system for defending the network security problem is improved, and the system has important theoretical and practical significance.

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Номер записи: 4
01-08-2023 дата публикации

Overhead transmission line N-2 fault screening method considering dynamic capacity increase

Номер: CN116520071A
Автор: MENG ZHAOJUN, BANG KYUNG-HEE, HUANG JIE, CHEN XUETONG, JIN JINGQI, LAI YENING, XUE FENG
Принадлежит:

The invention discloses an overhead transmission line N-2 fault screening method considering dynamic capacity increase. The method comprises the following steps: step 1, obtaining each N-2 fault scene in an overhead transmission line N-2 fault set and an evaluation index of the occurrence probability of a dynamic capacity increase factor; and 2, screening and sorting the N-2 fault set of the overhead transmission line according to the evaluation index value of each N-2 fault scene to obtain an N-2 fault scene set needing to be processed. According to the overhead transmission line N-2 fault screening method considering dynamic capacity increasing, the overhead transmission line N-2 fault with the large occurrence probability can be correctly screened out, and meanwhile the influence of the dynamic capacity increasing technology on overhead transmission line N-2 fault screening is correctly reflected.

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Номер записи: 5
28-04-2023 дата публикации

Online emergency control quantity calculation method and device, storage medium and calculation equipment

Номер: CN116029085A
Автор: ZHANG HONGLI, LIU FUSUO, LI WEI, XUE FENG, LAI YENING, LIU XINYUAN, BAO YUESHUANG, ZHENG HUIPING, CHEN QIUPING, LI ZE, ZHANG CHENGYI, NI ZHENLIN, LI ZHAOWEI, WU XUELIAN, WANG YU, GAO JIANLIANG
Принадлежит:

The invention discloses an online emergency control quantity calculation method and device, a storage medium and calculation equipment, and the method comprises the steps: generating a worst new energy short-time power fluctuation mode based on a current online mode, and carrying out the calculation of the emergency control quantity according to an equivalent single-machine track of the worst new energy short-time power fluctuation mode; according to the method, the equivalent single-machine electromagnetic power break variable considering the new energy short-time power fluctuation is calculated, the online emergency control variable is calculated, rapid calculation of the emergency control variable considering the new energy short-time power fluctuation is achieved, and the reliability and accuracy of an online transient safety and stability control strategy are improved.

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Номер записи: 6
02-05-2023 дата публикации

Flexible and easy-to-expand safety and stability control system and method

Номер: CN116054397A
Автор: YAN YUNSONG, XUE FENG, SI QINGHUA, REN JIANFENG, WANG JILIN, LAI YENING, HAN WEI, GUO XUN, TAO XIANG, NAN DONGLIANG, LI SHENGHU, XU JIE, ZHANG ZIMING, DUAN WENYAN, XU GAOYANG, WANG LEI, XU TE, LU JUN, WU JUN, YIN XUYANG, CHEN YONGHUA, PAN ZHONGZHONG, ZHU LEI, SUN ZHIXIN, ZHOU HUIMIN, ZHANG AOBO
Принадлежит:

The invention discloses a flexible and easy-to-expand safety stability control system which comprises a bottom-layer stability control looped network which comprises a main station stability control device, an execution station stability control device and an acquisition station stability control device. The main station stability control device, the execution station stability control device and the acquisition station stability control device are connected with one another to form a looped network structure; the acquisition station stability control device is used for acquiring electrical quantity and switching value information of related station elements, obtaining element state information according to the electrical quantity and switching value information, and uploading the electrical quantity, switching value and state information of the elements to the main station stability control device; the main station stability control device is used for obtaining a power grid operation mode ...

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Номер записи: 7
11-08-2023 дата публикации

Multi-wind power plant scene generation method based on adaptive space-time diagram generative adversarial network

Номер: CN116579239A
Автор: LAI YENING, LI ZHAOWEI, WU XUELIAN, LI WEI, XUE FENG, CHEN FAN, CHEN LIUMING, WANG MAN
Принадлежит:

The invention discloses a multi-wind-power-plant scene generation method based on an adaptive space-time diagram generative adversarial network, and the method comprises the following steps: obtaining daily power data of a plurality of wind power plants, and carrying out the preprocessing of the daily power data to generate a sample set; constructing an adaptive space-time diagram convolution module, and taking the adaptive space-time diagram convolution module as an intermediate layer of a generative adversarial network generator and a discriminator; then training a generative adversarial network based on an adaptive space-time diagram convolution module; and finally, extracting a generator in the generative adversarial network, and loading network model parameters stored after training to generate a multi-wind power plant output day scene. According to the method, spatial correlation among multiple wind power plants and time sequence characteristics existing at different output moments ...

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Номер записи: 8
18-04-2023 дата публикации

Power generation carbon emission on-line monitoring method fusing material data and flue gas data

Номер: CN115983657A
Автор: LAI YENING, LING HENGYU, HUANG JIE, CHEN XUETONG, JIN JINGQI, XUE FENG
Принадлежит:

The invention discloses a power generation carbon emission on-line monitoring method fusing material data and flue gas data, and the method comprises the steps: calculating the carbon emission Em, D-1 based on a material consumption method in the first D-1 days according to the carbon emission of fuel combustion and the carbon emission of net purchase power in the first D-1 days; constructing an electricity/heat-energy-carbon relation model based on the power supply amount, the heat supply amount and the carbon emission amount calculated by a material consumption method; the electricity/heat-energy-carbon relation model is trained through the carbon emission Em and D-1 based on the material consumption method in the first D-1 days, and the electricity/heat-energy-carbon relation model after training is used for calculating the power generation hour-level carbon emission A; calculating power generation hour-level carbon emission B based on a flue gas method; performing cross checking and ...

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Номер записи: 9
18-07-2023 дата публикации

Resource sharing type double-master-station stability control system design method for bridge-type architecture power grid

Номер: CN116454845A
Автор: LI CHAO, YANG QI, YE XI, LIANG HANQUAN, ZHU XIAOHONG, ZHU TONG, GAO JIAN, WANG YANFENG, LI MINGYING, LIANG LEI, LAI YENING, YAN YUNSONG, HOU YUQIANG, LIU GUANGHUA, LIU JINKUI, QIE CHAOHUI, SHI QU, LI ZHAOWEI, YIN YU, YANG GUANG, ZHUANG CHENGCHENG
Принадлежит:

The invention discloses a resource sharing type double-master-station stability control system design method for a bridge type framework power grid, and the method aims at a power grid bridge type framework, two sides of a bridge are respectively provided with a stability control system master station, a plurality of substations are distributed under each master station, and the master stations share the controllable resource information of a regional power grid. The substation does not span the bridge to communicate with the opposite-side master station or substation. The method also takes the operation state of the bridge tie line as the reference, automatically classifies and distinguishes the operation modes of the power grid, dynamically matches the power flow section according to the fault conditions of different lines, automatically selects control resources and formulates the control strategy quantity. According to the method, control resources in a whole regional power grid can ...

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Номер записи: 10
30-06-2023 дата публикации

Power generation low-carbon operation aid decision-making method based on data-driven causal inference

Номер: CN116362337A
Автор: HUANG JIE, BANG KYUNG-HEE, MENG ZHAOJUN, JIN JINGQI, CHEN XUETONG, LAI YENING, XUE FENG, ZHANG YIFEI
Принадлежит:

The invention discloses a power generation low-carbon operation aid decision-making method based on data-driven causal inference. The method comprises the following steps: (1) collecting and preprocessing data of a thermal power plant; (2) constructing a causal graph reflecting a relationship between variables; (3) identifying control variables in causal inference; (4) calculating a matching value by adopting a matching algorithm and screening to obtain a causal inference function of the intervention variable and the result variable; and (5) evaluating the low-carbon operation control sensitivity of the thermal power plant based on the causal inference function in the step (4). According to the method, the relation between the operation control quantity and the carbon emission is fitted based on data-driven causal inference by constructing the causal diagram, and sensitivity analysis is performed on the carbon emission level, so that reasonable control of the carbon emission is realized ...

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Номер записи: 11