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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.
25-08-2023 дата публикации

Virtual power plant data processing method and device based on privacy protection

Номер: CN116644460A
Принадлежит:

The invention discloses a virtual power plant data processing method and device based on privacy protection. The method comprises the following steps: acquiring original data of a current node collected at the current moment, received data sent by the current node after initial privacy protection and received data sent by other nodes after privacy protection; based on the data after the initial privacy protection sent by the current node and the data after the privacy protection sent by other nodes, constructing a newest self-correlation estimation matrix; projecting the zero-mean noise to the newest autocorrelation estimation matrix to obtain newest autocorrelation estimation noise; and adding the latest self-correlation estimation noise into the original data of the current node to obtain the final privacy-protected data of the current node at the current moment. Through the method and the device provided by the embodiment of the invention, the data privacy problem in different trust ...

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25-06-2014 дата публикации

35 kV integrated intelligent substation

Номер: CN103887885A
Принадлежит:

The invention provides a 35 kV integrated intelligent substation. The 35 kV integrated intelligent substation comprises an integrated information platform, an integrated substation area protection and measurement control device and a comprehensive intelligent assembly, wherein the comprehensive intelligent assembly receives sampling values and state information of a primary intelligent device, and transmits the sampling values and the state information to the integrated substation area protection and measurement control device, full-substation protection and measurement control logical judgment of the substation is carried out through the integrated substation area protection and measurement control device, and a GOOSE instruction is issued to the comprehensive intelligent assembly to achieve intelligent measurement control over the primary intelligent device; meanwhile, the integrated substation area protection and measurement control device transmits the logical judgment result to the ...

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04-04-2023 дата публикации

Electric power balance calculation method and device for independent power grid

Номер: CN115912495A
Принадлежит:

The invention discloses a power balance calculation method and device for an independent power grid. The method comprises the following steps: determining a flexibility range of each flexible element in a region; correcting the photovoltaic flexible model according to the typical day and night period characteristic of photovoltaic output; according to the network topology structure of the independent power grid and the master-slave relationship of each node, node elements are integrated, and flexible parameters of each integrated node are calculated; and constructing an electric power balance inequality by adopting the flexibly described source network load storage system parameters and the integrated flexible parameters of each node, and determining whether the flexible supply of the system meets the flexible demand of the system through the electric power balance inequality. The problem that power supply configuration in an operation result is too large and too small is effectively solved ...

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01-07-2015 дата публикации

Distribution unit-area maximum load forecasting method

Номер: CN104751255A
Принадлежит:

The invention discloses a distribution unit-area maximum load forecasting method, which comprises the following steps of dividing China into five areas, i.e. a severe cold area, a cold area, a hot-summer and cold-winter area, a mild area and a hot summer and warm winter area according to a building climate division standard in China; respectively dividing urban per capita disposable income and rural resident annual net income of the five areas into five levels, i.e. high, above the average, middle, below the average and low; aiming at the five areas, respectively surveying and counting the holding quantity of household appliances per 100 urban households and rural households in every kind of economic level in each area; aiming at the five areas, respectively surveying and counting the use ratio of each household appliance of every kind of economic level in each area; combining the maximum load and the growth rate to forecast the distribution unit-area maximum load forecasting. The method ...

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25-03-2015 дата публикации

Strut type combination electronic transformer combined with disconnecting switch

Номер: CN104459300A
Принадлежит:

The invention provides a strut type combination electronic transformer combined with a disconnecting switch. The strut type combination electronic transformer comprises a current sensor, a voltage sensor, a self-excitation power source, an insulation strut and a merging unit. The voltage sensor and the current sensor transmit collected voltage signals and collected current signals respectively to the merging unit through a photoelectricity mixed signal cable. The insulation strut is located between a high-voltage conductor and a base support, and the self-excitation power source provides electric energy for an electrical-to-optical converter of the current sensor. The technical advantages of optical isolation insulation, digital output, networked wiring and minitype structures of the strut type combination electronic transformer are fully performed, the disconnecting switch and the electronic current and voltage transformer are integrally combined, the manufacturing cost is lowered, the ...

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26-11-2014 дата публикации

Application boundary condition determination method of distribution transformer high in overload capacity

Номер: CN104166947A
Принадлежит:

The invention provides an application boundary condition determination method of a distribution transformer high in overload capacity. The method includes the steps that 1, the type and capacity of an alternative distribution transformer are determined primarily according to load feature indexes of a transformer room; 2, full-life-cycle costs of various types of distribution transformers are computed; 3, the annual mean load rate and the household average maximum load value of the transformer room are checked after the distribution transformer with the lowest full-life-cycle cost is adopted so as to determine the application boundary condition of the distribution transformer high in overload capacity. Compared with the prior art, by means of the application boundary condition determination method of the distribution transformer high in overload capacity, the applicable boundary conditions of various transformers are determined according to the full-life-cycle costs, and economical efficiency ...

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09-05-2023 дата публикации

Independent micro-grid virtual inertia optimal configuration method, device, equipment and medium

Номер: CN116094003A
Принадлежит:

The invention relates to an independent micro-grid virtual inertia optimal configuration method and device, equipment and a medium. The method comprises an independent micro-grid optimal inertia configuration part and a rapid frequency index evaluation part. According to the independent micro-grid optimal inertia configuration part, renewable energy source load shedding amount, energy storage charging and discharging amount and related parameters are used as optimization variables, a virtual inertia optimization configuration model considering independent micro-grid transient frequency nonlinear constraint is constructed, the virtual inertia optimization configuration model is solved, and an independent micro-grid optimal inertia configuration scheme is obtained. According to the rapid frequency index evaluation part, Latin hypercube sampling is carried out on the frequency dynamic response model of the independent micro-grid, correlation parameters influencing the frequency dynamic response ...

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31-12-2014 дата публикации

Integrated intelligent electronic device of transition layer of intelligent substation

Номер: CN104253487A
Принадлежит:

The invention provides an integrated intelligent electronic device of a transition layer of an intelligent substation. The device comprises an analog conditioning module, an input and output module, a monitoring management module, a combining unit module, an intelligent terminal module and a power source module, wherein the analog conditioning module is connected with the combining unit module in a unidirectional way, the combining unit module is respectively connected with the intelligent terminal module, the input and output module and the monitoring management module in a bidirectional way, and the power source module is respectively connected with the analog conditioning module, the input and output module, the monitoring management module, the combining unit module and the intelligent terminal module in the unidirectional way. The integrated intelligent electronic device of the transition layer of the intelligent substation has the advantages that the requirement of an IEC61850 protocol ...

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14-01-2015 дата публикации

Method for improving environment adaptive capacity of intelligent assembly

Номер: CN104283316A
Принадлежит:

The invention provides a method for improving the environment adaptive capacity of an intelligent assembly. The method includes the following steps: designing sealed metal outer shells for modules in the intelligent assembly, and selecting the materials and the thickness of the metal outer shells in an optimization mode; selecting independent ground connection and wire connection modes of the modules, and shortening the grounded distance; achieving optimized radiating according to heat emission quantity of the modules. According to the method for improving the environment adaptive capacity, such as the high-low temperature resistance and the electromagnetic compatibility, of the intelligent assembly, the structural design of the intelligent assembly is analyzed, the independent modules of the intelligent assembly serve as study objects, the environment adaptive capacity is improved through the independent sealed metal outer shells, the environment adaptability that the intelligent assembly ...

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09-05-2023 дата публикации

Asymmetric communication system under centralized controller type PCS architecture of energy storage power station

Номер: CN116094038A
Принадлежит:

The invention relates to an asymmetric communication system under a centralized controller type PCS architecture of an energy storage power station. The asymmetric communication system comprises a coordination controller, a PCS module and an energy storage module, the PCS module comprises a PCS centralized controller and a plurality of PCS units connected with the PCS centralized controller; the energy storage module comprises an energy storage subsystem main control unit and a plurality of energy storage subsystems connected with the energy storage subsystem main control unit; the plurality of PCS units are used for realizing bidirectional power exchange between the plurality of energy storage subsystems and a direct current bus or an alternating current bus; the PCS centralized controller is respectively connected with the energy storage subsystem main control unit through a low-speed channel and a high-speed channel, is connected with the coordination controller through a sudden stop ...

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15-04-2015 дата публикации

Electronic transformer combined with handcart circuit breaker

Номер: CN104515895A
Принадлежит:

The invention provides an electronic transformer combined with a handcart circuit breaker. The electronic transformer comprises a voltage sensor, a current sensor, an insulating sleeve ring, a signal switching box and a merging unit, wherein the voltage sensor and the current sensor are positioned in the insulating sleeve ring; the voltage sensor and the current sensor respectively transmits an acquired analog voltage signal and an acquired analog current signal to the signal switching box through signals cables; the analog voltage signal and the analog current signal are forwarded to the merging unit through the signal switching box; the merging unit converts the analog voltage signal and the analog current signal into digital signals, and transmits the digital signals to secondary equipment for use. According to the electronic transformer, the shape structure and the process specification of independent-type mounting of the transformer are changed, and the electronic transformer becomes ...

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