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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 6. Отображено 6.
30-01-2013 дата публикации

Transformer characteristic test comprehensive compensation system based on static var generator (SVG)

Номер: CN102904262A
Автор: Bao Qinghua, Guo Shouxian, Zhang Yuanbin, Liu Xiaozhuang
Принадлежит:

The invention discloses a transformer characteristic test comprehensive compensation system based on a static var generator (SVG). The transformer characteristic test comprehensive compensation system comprises a voltage adjustable power supply, a switch K1 of the voltage adjustable power supply, the SVG, a linear compensation adjustment device, an intermediate transformer T2 and a high-voltage compensation capacitor device C2. Two ends of the SVG are respectively connected onto a contact a and a contact b of the switch K1 of the voltage adjustable power supply, and the contact a and the contact b of the switch K1 of the voltage adjustable power supply are further respectively connected with the input end of the linear compensation adjustment device and the input end of the intermediate transformer T2. Therefore, the transformer characteristic test comprehensive compensation system enables test voltage to stably pass a capacitive-to-inductive critical point of a tested transformer, reduces ...

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Номер записи: 1
27-02-2013 дата публикации

Moving test system for characteristics of transformer based on single-phase high-voltage variable-frequency power source parallel operation

Номер: CN102944776A
Автор: Bao Qinghua, Zhang Yuanbin, Liu Xiaozhuang, Guo Shouxian, Zhou Hong, Cheng Chuan, Ma Jun
Принадлежит:

The invention discloses a moving test system for characteristics of a transformer based on single-phase high-voltage variable-frequency power source parallel operation. The moving test system for the characteristic of the extra-capacity transformer based on the single-phase high-voltage variable-frequency power source parallel operation scheme comprises a power source device, an intermediate transformer, a reactive compensation and harmonic filtering device and a measurement control device, wherein output points a and b of the power source device are connected with two sets of input points a1 and b1, and a2 and b2 of the intermediate transformer respectively, and two sets of output points A1 and B1, and A2 and B2 of the intermediate transformer are in parallel connection with two high-voltage compensation and filtering devices HC1 and HC2 of the reactive compensation and harmonic filtering device. The moving test system can meet requirements of testing characteristic parameters (a no-load ...

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Номер записи: 2
01-05-2013 дата публикации

Centralized measurement and control system for field characteristic test of mobile large power transformer

Номер: CN103076769A
Автор: Bao Qinghua, Zhang Yuanbin, Liu Xiaozhuang, Guo Shouxian, Zhou Hong, Ma Jun
Принадлежит:

The invention discloses a centralized measurement and control system for a field characteristic test of a mobile large power transformer. The centralized measurement and control system for the field characteristic test of the mobile large power transformer comprises an execution unit, a control unit, a measurement unit, a data collection unit, a data storage unit, a harmonic wave and power analyzing unit, an optical fiber communication unit, a wireless data transmission system, a multi-channel video monitoring unit capable of being arranged on a test site and an infrared ultrasound security and protection system capable of being arranged on the test site, wherein the infrared ultrasound security and protection system which are integrally arranged on a vehicle-mounted mobile shielding chamber. Through the type, the centralized measurement and control system for the field characteristic test of the mobile large power transformer is capable of controlling an electric appliance of each execution ...

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Номер записи: 3
20-02-2013 дата публикации

Moving test station for large power transformer scene characteristic testing

Номер: CN102937678A
Автор: Bao Qinghua, Liu Xiaozhuang, Guo Shouxian, Zhang Yuanbin, Zhou Hong, Yu Fang, Cheng Chuan
Принадлежит:

The invention discloses a moving test station for large power transformer scene characteristic testing. The moving test station comprises a high-voltage variable-frequency power source platform, a dynamic reactive compensation static var generator (SVG) platform, an intermediate transformer platform, a high-voltage filtering and reactive compensation platform, a characteristic test concentrated monitoring center platform and an auxiliary instrument platform which are integrally arranged on a vehicle-mounted bell jar container. Therefore, the moving test station can move fast and flexibly and can solve the large power transformer characteristic testing problem in scene tests only through simple wiring.

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Номер записи: 4
27-02-2013 дата публикации

Characteristic test system for high-capacity transformer based on high-voltage variable-frequency power supply

Номер: CN102944775A
Автор: Bao Qinghua, Liu Xiaozhuang, Guo Shouxian, Zhang Yuanbin, Zhou Hong, Yu Fang
Принадлежит:

The invention discloses a characteristic test system for a high-capacity transformer based on a high-voltage variable-frequency power supply, which comprises the high-voltage variable-frequency power supply, an intermediate transformer, a reactive and harmonic power compensation filtering device and a measurement control device, wherein output points a and b of the high-voltage variable-frequency power supply are connected with two groups of input points a1 and b1 as well as a2 and b2 of the intermediate transformer respectively; two groups of output points A1 and B1 as well as A2 and B2 of the intermediate transformer are connected with two groups of input points of a compensating capacitor bank of the reactive and harmonic power compensation filtering device respectively; and the two groups of input points of the compensating capacitor bank of the reactive and harmonic power compensation filtering device are connected with two groups of input points of a filter bank of the reactive and ...

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Номер записи: 5
30-01-2013 дата публикации

Self-heating device for on-side transformer oil treatment

Номер: CN102903482A
Автор: Bao Qinghua, Guo Shouxian, Zhang Yuanbin, Liu Xiaozhuang
Принадлежит:

The invention discloses a self-heating device for on-side transformer oil treatment. The self-heating device for the on-side transformer oil treatment comprises a processed transformer T adopting a device enabling a winding and an iron core of the transformer to be heated to perform inner heating, the self-heating device comprises a variable-frequency power source VF, an intermediate transformer Tm and a multi-point oil temperature feedback automatic control system C, the variable-frequency power source VF and the intermediate transformer Tm are connected in sequence, the intermediate transformer Tm is connected with the processed transformer T, and the multi-point oil temperature feedback automatic control system C is connected with the variable-frequency power source VF. The self-heating device further comprises an oil inlet sensor Si and an oil outlet sensor So, the oil inlet sensor Si and the oil outlet sensor So are connected with the multi-point oil temperature feedback automatic ...

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Номер записи: 6