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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 14. Отображено 14.
17-12-2014 дата публикации

Novel busbar-free four-port bipolar DC-DC (direct current to direct current) converter

Номер: CN104218796A
Автор: YAO LIANGZHONG, XU XIAOHUI, LI YAN, YANG BO, CAO YUANZHI, LU JUNFENG, CAI XU, ZHU MIAO, ZHANG JIANWEN, MA JIANJUN, DING JIE, TAO YIBIN, LI GUANJUN, CUI HONGFEN, WANG DESHUN, ZHOU CHEN, LIU HUAN, YAN SHENGCHI, WANG ZHIBING, SUN WEI, HU JINHANG, FENG XINZHEN, WU JING, ZHU HONGBAO, LI YUELONG
Принадлежит:

The invention provides a novel busbar-free four-port bipolar DC-DC (direct current to direct current) converter which comprises an annular architecture. The annular architecture is formed by four converter unit groups in sequential connection; each converter unit group comprises two converter units in connection; each of two power electronic device branches of each converter unit comprises two power electronic devices in same-direction connection; junction points of the power electronic devices are connected through electric reactors. Compared with the prior art, the novel busbar-free four-port bipolar DC-DC converter has a power bidirectional flow capability and is applicable to different operating conditions of a direct-current system, power conversion coefficient is decreased, and power conversion efficiency of the converter is improved.

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Номер записи: 1
02-09-2015 дата публикации

Direct-furnish large user interactive installation based on PCC platform

Номер: CN0204615512U
Автор: LIU HAIXUAN, CHEN MEI, WANG CHUN, XU XIAOHUI, ZHANG XIANGWEN, GENG DUO, XU QINGSHAN, HONG LUCHENG, JIANG BING, YE JILEI, SANG BINGYU, XUE JINHUA, CUI HONGFEN, TAO QIONG
Принадлежит:

The utility model relates to a direct-furnish large user interactive installation based on PCC platform, include: the interactive scheduling module of digital quantity input module, digital output module, serial communication module, man-machine interaction module, GPRS communication module, HUB module, memory and direct-furnish large user who is connected with CPU processing module respectively, outside direct-furnish large user monitored control system is connected to the HUB module, outside power consumption information collection system is connected to the serial communication module to through power consumption information collection system and regional electric power dispatch Center intercommunication, the utility model provides a pair of direct-furnish large user interactive installation based on PCC platform, CPU processing module pass through the serial communication module and are connected with the foundation of outside power consumption information collection system to acquire ...

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Номер записи: 2
30-09-2015 дата публикации

EV-charging-controllability considered unit combination model and modeling method

Номер: CN104951614A
Автор: ZHANG XIANGWEN, XU XIAOHUI, SUN HAISHUN, WANG CHUN, WU KE, LIU HAIXUAN, ZHANG CONG, SANG BINGYU, XUE JINHUA, CUI HONGFEN, YE JILEI, XIA JUNRONG
Принадлежит:

The invention discloses an EV-charging-controllability considered unit combination model and a modeling method. According to the EV-charging-controllability considered unit combination model and the modeling method, the output of a unit and total loads of an EV integrated controller serve as control objects, the EV integrated controller serves as an interaction platform of a power grid dispatching center and EVs, the dispatching center issues a charging command to the EV integrated controller, and the EV integrated controller controls the EVs in an administration region of the EV integrated controller after receiving the charging command to meet the command; constraints such as user charging requirement constraints, dispatching capacity range constraints and unit-side constraints are comprehensively considered, the minimum sum of the running cost of the unit and the dispatching cost of the EVs serves as an objective function, and the EV-charging-controllability considered unit combination ...

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Номер записи: 3
27-08-2014 дата публикации

Series type tidal current controller suitable for direct current power transmission

Номер: CN104009463A
Автор: CAO YUANZHI, YAO LIANGZHONG, WU FUBAO, YANG BO, LU JUNFENG, TAO YIBIN, WANG DESHUN, ZHOU CHEN, LIU HUAN, YAN SHENGCHI, WANG ZHIBING, SUN WEI, XU XIAOHUI, HU JINHANG, CUI HONGFEN, FENG XINZHEN, ZHU HONGBAO
Принадлежит:

The invention provides a series type tidal current controller suitable for direct current power transmission. The controller comprises a bi-directional DC/DC converter and an H bridge converter connected with the bi-directional DC/DC converter in series. The bi-directional DC/DC converter is connected into a high-voltage direct current power transmission network through direct current breakers, one output branch circuit of the H bridge converter is sequentially connected into the high-voltage direct current power transmission network through a reactor and a direct current fuse protector, and the other output branch circuit of the H bridge converter is directly connected into the high-voltage direct current power transmission network. Compared with the prior art, the series type tidal current controller suitable for the direct current power transmission can control fixed voltage connected inside a direct current transmission line in series in a linear mode when operating in a voltage mode ...

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Номер записи: 4
03-12-2014 дата публикации

Photovoltaic power station low-voltage ride-through movement detection automatic control system

Номер: CN104184412A
Автор: ZHAO SHANGLIN, ZHANG XINLONG, WANG DESHUN, YU BIN, KONG AILIANG, HUA GUANGHUI, JI LIANTAO, CUI HONGFEN, HANG HAN, DING JIE, ZHOU YEFEI, YANG BO, HE WEIGUO, HAN GUIGANG, SUN JUNHUI, LIU HUAN, HUANG HAI
Принадлежит:

The invention provides a photovoltaic power station low-voltage ride-through movement detection automatic control system. The photovoltaic power station low-voltage ride-through movement detection automatic control system comprises a monitoring background and a communication controller, the monitoring background and the communication controller are respectively connected with an Ethernet switch, and the communication controller is connected with a PLC device, an infrared thermometer and a temperature and humidity instrument. The monitoring background sends set parameters and control commands to the PLC device, a finite-state machine of the PLC device completes parameter setting according to the set parameters, and state switching and state operation are carried out according to the switch input amount of the PLC device and the control commands. The photovoltaic power station low-voltage ride-through movement detection automatic control system is provided with the finite-state machine having ...

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Номер записи: 5
16-04-2014 дата публикации

Power grid multilink interaction system for improving intermittent new energy digestion capability

Номер: CN103729697A
Автор: XU XIAOHUI, SANG BINGYU, ZHANG XIANGWEN, YE JILEI, WANG CHUN, CUI HONGFEN, TAO QIONG, XUE JINHUA, LIU HAIXUAN, DING MAOSHENG, XIAO QINGMING, YANG GUOFENG, LI QIAN
Принадлежит:

The invention provides a power grid multilink interaction system for improving intermittent new energy digestion capability. The system comprises an interaction data port system, a power grid interaction system, a distributed power interaction system, an interaction operation management system, an internal and external network interaction system, a scheduling system, a large user terminal system and an interaction terminal system. The power grid interaction system achieves coordinate interaction among a power generation unit of an intermittent energy power grid, a power transmission network, direct supply large users and the distributed power interaction system. The distributed power interaction system achieves interaction between a power distribution network and terminal users. The scheduling system achieves information collection and operation scheduling among the power generation unit, the power transmission network and the direct supply large users. Compared with the prior art, the ...

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Номер записи: 6
30-07-2014 дата публикации

Stored-energy capacity configuration method used for stabilizing city load growth

Номер: CN103956760A
Автор: TAO QIONG, YE JILEI, WANG CHUN, SANG BINGYU, XU XIAOHUI, CUI HONGFEN, XUE JINHUA, ZHANG XIANGWEN, ZHANG YU, PIAO HONGYAN
Принадлежит:

The invention provides a stored-energy capacity configuration method used for stabilizing city load growth. The stored-energy capacity is an electric-energy quantity stored by an energy-storage system installed in a power grid. The method includes the following steps: obtaining typical daily load data of an installation point of the energy-storage system; calculating an output power of the energy-storage system; calculating a energy-storage-cell configuration capacity and an energy-storage rated power; constructing an energy-storage capacity configuration optimization target function; and carrying out an iterative operation until an optimal solution is obtained. The method realizes functions of peak load shifting and load peak and valley difference reduction in a city power distribution network. The method reasonably selects an energy-storage capacity according to a typical daily load curve of an energy-storage access point so that the adaptability is great; electric energy consumption ...

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Номер записи: 7
18-04-2023 дата публикации

Oxygen concentration detection mechanism, oxygen machine and oxygen concentration detection method in oxygen machine

Номер: CN115980180A
Автор: YANG ZHENGLI, XU ZHAOTANG, XU ZHI, SHI WEN, JIAO YUCHENG, KUMADA TADASHI, WU FUYUN, CHEN HAIXIA, WANG XIN, LU ZHUWEI, HUANG QIXIN, SUN SHUFANG, SUN CHENGZHI, CUI HONGFEN, LU MING
Принадлежит:

The invention discloses an oxygen concentration detection mechanism, an oxygen machine and a method for detecting the concentration of oxygen in the oxygen machine, and the oxygen concentration detection mechanism comprises a detection tube which is provided with an air inlet and an air outlet; the ultrasonic gas concentration detection sensor is arranged in the detection tube to detect the oxygen concentration; the gas compressor is connected to the gas inlet of the detection pipe and is used for conveying oxygen; and the pressure sensor is arranged in the detection pipe and is in signal connection with the gas compressor, and the pressure sensor controls the operation power of the gas compressor according to the detected pressure value so that the air pressure in the detection pipe can be kept constant. The oxygen concentration detection mechanism is good in oxygen concentration detection stability.

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Номер записи: 8
09-09-2015 дата публикации

Method for determining schedulable capacity of large-scale electric car

Номер: CN104899691A
Автор: ZHANG XIANGWEN, CHEN MEI, XU XIAOHUI, SUN HAISHUN, WANG CHUN, ZHANG CONG, LIU HAIXUAN, WU KE, SANG BINGYU, PENG PEIPEI, JIANG XINGXING, JU RONGRONG, XUE JINHUA, CUI HONGFEN, YE JILEI, XIA JUNRONG
Принадлежит:

The invention relates to a method for determining a schedulable capacity of a large-scale electric car. The method comprises: (1), defining a matrix representing controllability of an electric car and carrying out initialization, and setting duration time of the schedulable capacity of the electric car; (2), on the basis of a real-time state, obtaining current information of each electric car; (3), according to the time and the current information of the electric car, determining controllability of the electric car; (4), carrying out assignment on the matrix of the defined matrix representing the controllability of the electric car based on the actual situation; and (5), calculating a schedulable capacity of the electric car based on the defined matrix representing the controllability of the electric car based on the actual situation and the controllability of the electric car and then carrying out outputting. According to the technical scheme, friendly interaction of the electric car and ...

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Номер записи: 9
30-07-2014 дата публикации

Wake-effect-considering wind power plant grid-connection stability analysis method

Номер: CN103956767A
Автор: YAO LIANGZHONG, SHI LIBAO, WANG WEISHENG, DING JIE, WU FUBAO, CHI YONGNING, LI YAN, YANG BO, XU XIAOHUI, WANG REN, WANG ZHIBING, SUN YU, CAO YUANZHI, CUI HONGFEN, LU JUNFENG, WU JING
Принадлежит:

The invention provides a wake-effect-considering wind power plant grid-connection stability analysis method. The method includes the following steps: establishing a wind power plant equivalent model; constructing an original admittance matrix of the wind power plant and carrying out conversion on the original admittance matrix; generating a state matrix which tests a power grid system; and carrying out stability analysis. The method is capable of effectively considering practical problems during operation of the wind power plant so that the accuracy of a method for stability analysis of small disturbances of large-scale wind power plant grid connection on an electric power system is improved; and moreover, the method well deals with changes of power grid characteristics by the wind power plant which considers the wake effect and provides an effective way for accurate analysis of effects of wind power fluctuation on power grid safety and stability to power grid operating personnel.

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Номер записи: 10
17-12-2014 дата публикации

Unipolar-bipolar convertible direct-current converter

Номер: CN104218805A
Автор: YAO LIANGZHONG, YANG BO, XU XIAOHUI, TAO YIBIN, CAO YUANZHI, LI GUANJUN, CAI XU, ZHU MIAO, ZHANG JIANWEN, MA JIANJUN, DING JIE, LU JUNFENG, LI YAN, CUI HONGFEN, WANG DESHUN, ZHOU CHEN, LIU HUAN, YAN SHENGCHI, WANG ZHIBING, SUN WEI, HU JINHANG, FENG XINZHEN, WU JING, ZHU HONGBAO, LI YUELONG
Принадлежит:

The invention provides a unipolar-bipolar convertible direct-current converter comprising a unipolar side power module and a bipolar side power module connected to two sides of a medium-frequency transformer. The unipolar side power module comprises a first power electronic device full-bridge circuit, a voltage stabilizing capacitor and a direct-current breaker; two ends of the power electronic device full-bridge circuit are connected with the medium-frequency transformer; other two ends of the power electronic device full-bridge circuit are connected with a unipolar direct-current system; the bipolar side power module comprises a second power electronic device full-bridge circuit, a capacitor, a voltage stabilizing capacitor, a reactor and a direct-current breaker; two ends of the second power electronic device full-bridge circuit are connected with the medium-frequency transformer, and other two ends of the second power electronic device full-bridge circuit are connected with a bipolar ...

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Номер записи: 11
18-06-2014 дата публикации

Load forecasting method for electric vehicle

Номер: CN103870888A
Автор: XU XIAOHUI, WANG CHUN, GU WEI, ZHU JUNPENG, YE JILEI, TAO QIONG, SHI SHANSHAN, LIU JINSONG, SANG BINGYU, CUI HONGFEN, XUE JINHUA, GAO JUN
Принадлежит:

The invention provides a load forecasting method for an electric vehicle. The load forecasting method comprises the following steps: classifying influence factors for charging power of the electric vehicle and modeling the influence factors; confirming the influence factors for the charging power of the electric vehicle and adopting a Monte-Carlo simulation method for forecasting the charging power of a single electric vehicle in each time period per day under different influence factors; confirming the quantity of different living spaces and the quantity of electric vehicles contained in each living space, acquiring the charging power of the electric vehicle group charged in each living space in each time period per day according to the summation of the charging power of the single electric vehicle in each time period per day under different influence factors, and superposing, thereby acquiring the charging load of the whole electric vehicle group in each time period per day. According ...

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Номер записи: 12
17-12-2014 дата публикации

Output voltage positive and negative polarity inversion method based on modular multilevel converter

Номер: CN104218808A
Автор: YAO LIANGZHONG, CAI XU, ZHU MIAO, ZHANG JIANWEN, SUN CHANGJIANG, DING JIE, YANG BO, XU XIAOHUI, CAO YUANZHI, LU JUNFENG, LI YAN, TAO YIBIN, LI GUANJUN, CUI HONGFEN, WANG DESHUN, ZHOU CHEN, LIU HUAN, YAN SHENGCHI, WANG ZHIBING, SUN WEI, HU JINHANG, FENG XINZHEN, WU JING, ZHU HONGBAO, LI YUELONG
Принадлежит:

The invention provides an output voltage positive and negative polarity inversion method based on a modular multilevel converter. The method includes 1, constructing a modular multilevel converter module; 2, inverting the output voltage positive and negative polarities by adjusting the bridge voltage of the modular multilevel converter module; modulating the upper bridge voltage uu and lower bridge voltage ul of each phase, according to a bridge voltage wave image, into sine wave voltage symmetrical about a horizontal line U = UN/2 vertically, and allowing that the LCC terminal output voltage ULCC = UN; modulating the upper bridge voltage uiu and lower bridge voltage uil of each phase into sine wave voltage symmetrical about a horizontal line U = -UN/2 vertically, and allowing that the LCC terminal output voltage ULCC = -UN. Compared with the prior art, the method has the advantages that the operation requirements of LCC-HVDC and VSC-HVDC interface converters are met, and LCC-HVDC and VSC-HVDC ...

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Номер записи: 13
30-12-2015 дата публикации

Light stores up integrated device suitable for distributing type electricity generation

Номер: CN0204928192U
Автор: YANG BO, LI YUELONG, HU JINHANG, ZHOU CHEN, LI GUANJUN, LIU HUAN, YU HAOJIE, YAN SHENGCHI, CUI HONGFEN, ZHANG YU, FENG XINZHEN, SHI SHANSHAN, HOU SHUYI, FANG CHEN, ZHU HONGBAO, LU JUNFENG, LIU SHU
Принадлежит:

The utility model provides a light stores up integrated device suitable for distributing type electricity generation, including photovoltaic unit, energy storage battery unit and the unit that is incorporated into the power networks, the photovoltaic unit is including the photovoltaic module, first fuse group, first direct current preliminary filling circuit, a LC wave filter and the BOOSTBUCK circuit that connect gradually, the energy storage battery unit is including the energy storage battery, second fuse group, a EMI wave filter and the second direct current preliminary filling circuit that connect gradually, the unit that is incorporated into the power networks is including the third fuse group, the 2nd EMI wave filter, interchange preliminary filling circuit, isolation transformer, the 2nd LC wave filter and the inverter circuit that connect gradually, the electric wire netting is gone into in the montage of third fuse, inverter circuit respectively with BOOSTBUCK circuit and second ...

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Номер записи: 14