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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.
17-08-2011 дата публикации

Inverse system-based active and reactive power independent control method for microgrid

Номер: CN0102157937A
Автор: PENG LI, MENGCHAO MA, YUWEI LI, ZHE WEI, CHENGJIA LIU, YANG WANG, LI PENG, MA MENGCHAO, LI YUWEI, WEI ZHE, LIU CHENGJIA, WANG YANG
Принадлежит:

The invention discloses an inverse system-based active and reactive power independent control method for a microgrid in the technical field of the microgrid in a power system. The method comprises the following steps: firstly calculating active power and reactive power which need to be transmitted on a circuit connected with a controlled micro-power supply; further using a control unit of an inverse system to calculate effective value and phase of voltage outputted by the controlled micro-power supply according to the inputted active power and the reactive power; and finally using a pulse width modulation (PWM) control unit to calculate and emit a pulse signal according to the effective value and the phase of the voltage, controlling an inverter of the controlled micro-power supply, and realizing the control of transmission of the active power and the reactive power on the circuit. By adopting the method, the mutual coupling problem of the active power and the reactive power in power transmission ...

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Номер записи: 1
29-10-2014 дата публикации

Mouse heat preservation sleeve

Номер: CN104123019A
Автор: LIU CHENGJIA
Принадлежит:

The invention relates to a mouse heat preservation sleeve which comprises a mouse pad and a hot-water bag. The hot-water bag is detachably connected to the mouse pad, the hot-water bag is matched with the mouse pad to form a cavity, and a water in-and-out opening and a mouse cable hole are formed in the hot-water bag. By means of the mouse heat preservation sleeve, the hot-water heat preservation mode is adopted; the mouse heat preservation sleeve is simple in structure, convenient to use and environmentally friendly, energy is saved, and potential safety hazards of an existing mouse heat preservation sleeve are effectively eliminated.

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Номер записи: 2
23-06-2023 дата публикации

Transformer protection latent fault identification method and system in operation state

Номер: CN116299066A
Автор: WANG SHIXIANG, ZHONG YEBIN, LIU CHENGJIA, JIANG WEN
Принадлежит:

The invention provides a transformer protection latent fault identification method in an operation state. The method is used for a transformer substation comprising a main transformer and high and low voltage side buses. The high-voltage side bus is connected with a main transformer through a high-voltage side circuit breaker, and a circuit is provided with a high-voltage side current transformer connected with a high-voltage side protection device; the low-voltage side bus is connected with a main transformer through a low-voltage side circuit breaker, and a low-voltage side current transformer connected with a low-voltage side protection device is arranged on a line; the method comprises the following steps: after a low-voltage side bus has a fault, detecting the existence condition of fault current among a high-voltage side bus, a main transformer and the low-voltage side bus; and if yes, whether the high-voltage side protection device, the high-voltage side circuit breaker, the low-voltage ...

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Номер записи: 3
24-02-2016 дата публикации

Automatic measuring device of glass stress

Номер: CN0205049269U
Автор: ZHAO WEI, WANG XUDONG, TANG XIANG, ZHI LIANGLIANG, HUANG HAIRUI, LIU CHENGJIA, WANG YOU, TAO JINMING, PENG WEIJUN, WANG SHAOLONG
Принадлежит:

The utility model discloses an automatic measuring device of glass stress, comprising a frame body, feed mechanism, drop feed mechanism, detection mechanism, feeding agencies, receiver device and control mechanism, feed mechanism is equipped with the conveyer belt on the support body, the conveyer belt rear end be equipped with with conveyer belt matched with elevating system, drop feed mechanism is equipped with the blowing manipulator on the support body, detection mechanism is equipped with to answer force measuring instrument on the support body, a glass carries out the stress measurement for being directed at drop feed mechanism transfers, feeding agencies is equipped with the qu liao manipulator on the support body, receiver device is equipped with sky work or material rest conveyer belt on the support body, empty work or material rest conveyer belt rear end is equipped with the empty work or material rest elevating system with empty work or material rest conveyer belt matched with ...

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Номер записи: 4
23-01-2008 дата публикации

Negative ion polyamide fibre and manufacturing method therefor

Номер: CN0101109114A
Автор: DU XUAN, ZOU LIN, PAN XIUYING, JIANG LIPENG, MENG QINGFU, HU AOXIANG, LIU CHENGJIA, WANG LIJUN, YANG JINGLI, XUAN DU, LIN ZOU, XIUYING PAN, LIPENG JIANG, QINGFU MENG, AOXIANG HU, CHENGJIA LIU, LIJUN WANG, JINGLI YANG
Принадлежит:

The invention provides an anion polyamide fiber and a preparing method for the fiber, and provides a polyamide fiber that can release anions and the making way for the fiber, which comprises the making of the anion mother particles and anion polyamide fiber. Wherein, sodium powder, toturmaline, verdelite, and opal powder particles are taken as anion generating agent, after surface treatment, they are molten with polyamide chips in proper proportion to make anion mother particles. Then they are mixed with polyamide raw materials by a mixer in proper proportion, and are spun into anion fibers by hi-speed spinning on a chinlon spinning machine. The invention is of a simple process, easy to implement, fills the blank in the field both at home and abroad. According to practice, the concentration of anions surrounding a person wearing a garment made of the fibers from the invention is obviously increased. A clothing of the fibers from the invention can fully neutralize and balance the anions ...

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Номер записи: 5
27-03-2018 дата публикации

Concentrated sulfuric acid dilutes with stirring bottle

Номер: CN0207137723U
Автор: LUO DEHENG, CAO PIXIAN, YAO YANMEI, CHEN LIU, YE LING, LIU CHENGJIA, ZHU FENG, WU LINTAO, YU YUXIN, XU JUNLONG, LIAO YANTING, CHEN XINXIN, ZHOU BIYU
Принадлежит: SHENZHEN HIGH SCHOOL SCIENCE, SHENZHEN HIGH SCHOOL OF SCIENCE

The utility model relates to a concentrated sulfuric acid dilutes with stirring bottle, an upper cover embedding conveyer pipe, this conveyer pipe with cushion flask intercommunication, conveyer pipelie in a lower tip that mixes bottle liquid level top and make the drain pipe of a plurality of orientations, and the lower tip of every drain pipe slope is close to the inner wall that mixes the bottle, the outlet pipe of embedding stock solution bottle lower extreme sets up a governing valve in the end cover of cushion flask on the outlet pipe, and stock solution bottle upper end sets up a visor, sets up in mixing the bottle the agitator. The utility model discloses in, the velocity of flow of the concentrated sulfuric acid can be controlled to governing valve, cushion flask, conveyer pipe,and nevertheless a plurality of drain pipes can suitably increase total flow, moreover paddle, circulation water jacket mutually support, make the heat in time taken away, and the security of having diluted ...

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Номер записи: 6