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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 5. Отображено 5.
01-08-2023 дата публикации

Power plant internal and external network communication method and equipment based on network isolation device, and medium

Номер: CN116527731A
Автор: XU XIALING, YU XIAOBIN, TANG WEIDONG, XIAO XIAOGANG, YU HONGWEN, XIAO DAJUN, YU WENJUAN
Принадлежит:

The invention discloses a power plant internal and external network communication method and equipment based on a network isolation device and a medium, and the method comprises the steps: determining a first data transmission pressure value of a first data channel based on a first data set to be transmitted to an internal network in a front-end service module; determining a second data transmission pressure value of a second data channel based on a second data set to be transmitted to the external network in the rear service module; and adjusting the quantity of data processing resources allocated to the first data channel and the second data channel in the network isolation device based on the first data transmission pressure value and the second data transmission pressure value. According to the embodiment of the invention, the data processing resource quantity allocated to the two data channels is adjusted based on the difference of the data transmission pressures of the two data channels ...

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Номер записи: 1
24-12-2014 дата публикации

Parameter deviation sensitivity-based power grid equipment parameter identification and estimation method

Номер: CN104239716A
Автор: WANG MIAO, TANG WEIDONG, WANG LEI, XIAO XIAOGANG, SONG XURI, HE YIBIN, LIU SHENG, LIU TAO, YU WENJUAN, XU JIE, XING YING, BAI YANG, CHEN LIJIE
Принадлежит:

The invention provides a parameter deviation sensitivity-based power grid equipment parameter identification and estimation method, which comprises the following steps of acquiring real-time power grid measurement data and a power grid equipment parameter; establishing a weighted least square model in consideration of a power grid equipment parameter deviation; identifying and estimating the power grid equipment parameter; calculating an average value of estimated power grid equipment parameter values according to the estimated power grid equipment parameter values of a plurality of time sections. According to the method, a state estimation and parameter estimation alternate correction method is utilized, the influence of a power grid equipment parameter error on a target function of the least square model is taken into account, and the average value of power grid equipment parameter estimation values is calculated based on the multiple calculation of the time sections, so that the accuracy ...

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Номер записи: 2
02-06-2023 дата публикации

Network system, device and medium for exchanging power information

Номер: CN116208682A
Автор: YU HONGWEN, ZHAO PAN, XU XIALING, TANG WEIDONG, XIAO XIAOGANG, XIAO DAJUN, YU WENJUAN
Принадлежит:

The invention discloses a network system and device for exchanging electric power information and a medium, the network system for exchanging electric power information comprises a communication channel used for transmitting electric power information, and the network system for exchanging electric power information is used for transmitting the electric power information when the data volume of the electric power information to be transmitted in the communication channel is greater than a preset data volume. Judging that the electric power information to be transmitted is electric power information with an ultra-large data volume; performing roll-by-roll compression on the electric power information with the ultra-large data volume to obtain a plurality of roll-by-roll compressed files; and by adopting a step-by-step communication mode, transmitting each of the plurality of sub-volume compressed files through a communication channel in sequence. According to the invention, for communication ...

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Номер записи: 3
27-06-2023 дата публикации

Database synchronization method and device based on power data and medium

Номер: CN116340432A
Автор: TANG WEIDONG, CHEN QING, XU XIALING, XIAO XIAOGANG, YU HONGWEN, XIAO DAJUN, YU WENJUAN
Принадлежит:

The invention discloses a database synchronization method and device based on power data and a medium, and the method comprises the steps: obtaining the amount of to-be-synchronized power data in each power plant terminal and the grade of a power plant where each power plant terminal is located when the communication load capacity of a network isolation device is greater than a preset load capacity; determining a synchronization priority of each power plant terminal based on the power data volume and the power plant level; and the control network isolation device synchronizes the power data to be synchronized in each power plant terminal to the power database in the power plant production control region in sequence according to the synchronization priority. According to the embodiment of the invention, when the communication load capacity of the network isolation device is relatively large, the synchronization priority of each power plant terminal is determined based on the to-be-synchronized ...

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Номер записи: 4
11-11-2015 дата публикации

NULL's AC -DC step -down formula isolator power converter

Номер: CN0204761319U
Автор: GU GUOHUI, XIAO XIAOGANG
Принадлежит:

The utility model discloses a NULL's AC -DC step -down formula isolator power converter, including input transient voltage noise suicide circuit, EMI filter circuit, rectifier circuit, differential mode choke and electric capacity filter circuit, buffering snubber circuit, input undervoltage protection circuit, transformer isolating driver circuit, step -down control circuit, step -down noise suicide circuit 0, high -pressure noise suicide circuit 1, energy storage inductance, noise suicide circuit 2, noise suicide circuit 3. Step -down when input alternating voltage scope has been realized from 180Vac to 550Vac to this circuit is handled and is obtained stable lower DC voltage, refurnishes the inverter circuit switching energy to exporting, wherein LC resonance circuit and synchronous Rectifier circuit ZVS function greatly reduced the switching loss of power tube, improved the overall efficiency to the high -power power AC -DC who realizes the input of high alternating voltage keeps apart ...

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Номер записи: 5