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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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Применить Всего найдено 9. Отображено 9.
14-07-2023 дата публикации

Micro-grid and power distribution network collaborative planning method and device and storage medium

Номер: CN116432950A
Принадлежит:

The invention discloses a micro-grid and power distribution network collaborative planning method and device and a storage medium, and the method comprises the steps: initializing power grid data, and setting an initial value of a penalty function multiplier and an initial value of the number of iterations; constructing a double-layer planning model of the micro-grid planning model and the power distribution network planning model, and determining an operation model of an upper-layer power distribution network main body and an operation model of a lower-layer micro-grid main body after decoupling; solving an initial energy transaction demand and a flexible resource transmission quantity of the micro-grid planning model, and transmitting the initial energy transaction demand and the flexible resource transmission quantity to an upper-layer power distribution network main body as virtual variable initial values; solving the operation model of the upper-layer power distribution network main ...

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29-08-2023 дата публикации

Micro-grid group distributed energy management method and device and storage medium

Номер: CN116663698A
Принадлежит:

The invention discloses a micro-grid group distributed energy management method and device and a storage medium, and the method comprises the steps: constructing a unit operation mathematical model of a micro-grid, the unit operation mathematical model comprises a fan and photovoltaic unit output model, a water turbine output model and a micro gas turbine output model; based on the unit operation mathematical model, constructing a day-ahead distributed energy management model with the lowest operation cost of each micro-grid; and solving the day-ahead distributed energy management model by using an alternating direction multiplier method to obtain an optimal day-ahead energy management strategy. In the embodiment of the invention, the power supply and consumption characteristics of the regional micro-grid are comprehensively considered to construct the micro-grid model, and the day-ahead distributed energy management model based on the alternating direction multiplier method is constructed ...

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26-05-2023 дата публикации

Intelligent accounting method and system for building carbon emission

Номер: CN116167551A
Принадлежит:

The invention provides an intelligent accounting method and system for building carbon emission, and relates to the technical field of data processing, and the method comprises the steps: obtaining a plurality of carbon emission monitoring indexes of a first building; a real-time carbon emission monitoring data set is obtained; acquiring N carbon emission monitoring indexes greater than or equal to the first preset carbon emission; n daily average unit carbon emissions are obtained; the daily average unit total carbon emission is obtained; performing stability analysis on the continuous N daily average unit carbon emissions in the first accounting period to obtain a first stability index; and when the first stability index is a preset stability index, calculating the carbon emission in the first accounting period by taking the daily average unit total carbon emission as a period unit, thereby solving the problems in the prior art that the analysis process of the carbon emission basic data ...

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04-04-2023 дата публикации

PSS (Power System Stabilizer) in-service and out-of-service analysis batch processing method and system based on PSD-BPA

Номер: CN115906507A
Принадлежит:

The invention provides a PSS (power system stabilizer) on-off analysis batch processing method and system based on PSD-BPA, and the method comprises the steps: reading the node information of a to-be-analyzed system generator based on PSD-BPA, and obtaining the node information of a boost transformer high-voltage side of the generator, so as to obtain a generator-power plant outgoing line list; based on the generator-power plant outgoing line list, automatically generating a fault card required for PSS on-off analysis, and updating a PSD-BPA data file; and on the basis of the updated data file, simulation when a single-phase fault or a three-phase fault of a power plant outgoing line occurs under PSS switching is performed on the power generators of the to-be-analyzed system by using the PSD-BPA in sequence, electromagnetic power oscillation frequency and damping ratio information corresponding to all the power generators are acquired, and batch analysis of PSS switching is completed. According ...

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25-04-2023 дата публикации

Impedance detection equipment operation method and system, impedance detection equipment and medium

Номер: CN116008666A
Принадлежит:

The invention discloses an impedance detection equipment operation method and system, impedance detection equipment and a medium, and the method comprises the steps: injecting a detection signal into a to-be-detected new energy grid-connected system in a frequency sweeping or frequency hopping mode; a disturbance signal of the new energy grid-connected system to be detected is collected, and whether the size of the disturbance signal is larger than a preset threshold value or not is judged; and when the size of the disturbance signal is greater than a preset threshold value, determining that the new energy grid-connected system to be tested has oscillation. According to the invention, multiple modes of injection signals including frequency sweeping and frequency hopping are provided, so that various application scenes can be met. Besides, whether the new energy grid-connected system oscillates or not can be judged by comparing the relationship between the system disturbance signal and the ...

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04-08-2023 дата публикации

Distributed wind and light resource admission capacity planning method and system

Номер: CN116545009A
Принадлежит:

The invention discloses a distributed wind and light resource admission capacity planning method and system, and the method comprises the steps: building an objective function through a power distribution network system operation cost objective function and a power distribution network system wind and light resource admission capacity objective function, and obtaining an admission capacity planning model; and solving the penetration capacity planning model according to data such as nodes to be planned and capacity to be planned to obtain a planning result, evaluating the planning result according to a flexibility evaluation index and a new energy consumption quality index, and selecting the planning result of which the evaluation result meets a preset condition as a final planning result. According to the method, a distributed wind and light resource planning result is calculated according to a distributed wind and light resource planning result of the power distribution network system ...

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30-05-2023 дата публикации

Method and system for measuring and calculating maximum power point of photovoltaic power generation system

Номер: CN116191530A
Принадлежит:

The invention discloses a method and a system for measuring and calculating the maximum power point of a photovoltaic power generation system. The method comprises the following steps: acquiring the initial voltage of the maximum power point of a photovoltaic panel within a preset voltage range; on the basis of a preset maximum power point port current equation, the port current of the current maximum power point is iteratively calculated through the previous port voltage, and on the basis of a preset maximum power point port voltage equation, the port voltage of the current maximum power point is iteratively calculated through the current port current. The voltage difference between the previous port voltage and the current port voltage is smaller than a preset maximum error; and when the voltage difference is smaller than a preset maximum error, outputting the current port current and the current port voltage as the target port current and the target port voltage of the measured and calculated ...

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09-05-2023 дата публикации

Configuration type multifunctional dynamic model simulation experiment method and system

Номер: CN116088343A
Принадлежит:

According to the configuration type multifunctional dynamic model simulation experiment method and system disclosed by the invention, the source storage dynamic model test system and the dynamic model simulation platform secondary monitoring system are constructed, and when a dynamic model simulation experiment function instruction is received, the source storage dynamic model test system is remotely controlled through the remote control module; selecting a related module from the source storage dynamic simulation test system to perform dynamic simulation simulation scene configuration, and configuring a dynamic simulation simulation function for the related module so as to obtain and perform simulation simulation on a dynamic simulation simulation experiment function scene; and the control operation monitoring module monitors the analog simulation process in real time, obtains the dynamic simulation real-time data through the information acquisition module, analyzes the dynamic simulation ...

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11-07-2023 дата публикации

Power grid fault detection method and device based on impedance detection, equipment and medium

Номер: CN116413531A
Принадлежит:

The invention discloses a power grid fault detection method and device based on impedance detection, equipment and a medium, and the method comprises the steps: building a database related to a to-be-detected power grid, and estimating the disturbance quantity of the to-be-detected power grid through a preset algorithm according to the historical oscillation condition of the to-be-detected power grid in the database; wherein the database comprises a geographical environment, a natural environment and historical climate data of a to-be-tested power grid; detecting the disturbance quantity of equipment in the to-be-detected power grid, and comparing the detected disturbance quantity with the estimated disturbance quantity; if the difference value is smaller than or equal to the preset value, judging that the to-be-detected power grid has no fault; and if the difference value is greater than the preset value, determining that the to-be-detected power grid has a fault. The disturbance quantity ...

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