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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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Применить Всего найдено 21. Отображено 21.
02-04-2014 дата публикации

Topological structure and control method of improved SEN transformer

Номер: CN103701131A
Автор: YUAN JIAXIN, CHEN LI, FEI WENLI, ZENG WENJUN, ZHOU PAN, ZHAO ZHEN, CHEN BAICHAO, TIAN CUIHUA
Принадлежит:

The invention discloses a topological structure and a control method of an improved SEN transformer. The topological structure of the improved SEN transformer consists of an SEN transformer and a unified power flow controller connected in series, wherein the SEN transformer is connected with an electric transmission line in series; a parallel connection variator VSC1 of the unified power flow controller is connected with the equivalent head end of a power distribution network transmission system in parallel; a parallel connection variator VSC2 of the unified power flow controller is connected with the equivalent tail end of the power distribution network transmission system in parallel. 360-degree discrete adjustable series connection voltage is realized through controlling a common on-load tap changer by the SEN transformer; 360-degree continuous adjustable series connection voltage is realized through controlling an electronic power switch by the unified power flow controller. The topological ...

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Номер записи: 1
18-04-2012 дата публикации

Non-contact type voltage measuring device and non-contact type voltage measuring method

Номер: CN0101852823B
Автор: BAI YAO, CHANG AN, CHEN BAICHAO, CHEN SONGBO, CHEN XIAOGUO, TIAN CUIHUA, XU XIAOGANG, YANG CHUMING, YAO SENJING, YUAN JIAXIN, ZHANG QIANXIONG, YAO BAI, AN CHANG, BAICHAO CHEN, SONGBO CHEN, XIAOGUO CHEN, CUIHUA TIAN, XIAOGANG XU, CHUMING YANG, SENJING YAO, JIAXIN YUAN, QIANXIONG ZHANG
Принадлежит:

The invention provides a non-contact type voltage measuring device and a method thereof. In the device and the method, induction lines with number same as that of detected buses/lead wires are arranged in parallel under the detected buses/lead wires, i.e. each detected bus/lead wire corresponds with one induction line. Therefore, when the detected buses/lead wires supply electric power, inductivevoltage is formed on the induction lines under the detected buses/lead wires so as to form a corresponding conversion relationship between the detected buses/lead wires and the inductive voltage on the induction lines, after the inductive voltage on each induction line is detected, and the voltage value of each detected bus/lead wire is calculated according to the conversion relationship and eachinductive voltage, accordingly measurement on the voltage value of each detected bus/lead wire can be realized. The measurement mode on the voltage value of each detected bus/lead wire does not need direct ...

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Номер записи: 2
19-05-2010 дата публикации

Dynamic analog device for graded controllable parallel reactors and test method thereof

Номер: CN0101710820A
Автор: BAICHAO CHEN, DINGXIANG DU, YANJUN LI, ZHONGQING LI, CUIHUA TIAN, JUE WANG, XIAOLI ZHANG, CHUNXIA ZHOU, ZEXIN ZHOU, CHEN BAICHAO, DU DINGXIANG, LI YANJUN, LI ZHONGQING, TIAN CUIHUA, WANG JUE, ZHANG XIAOLI, ZHOU CHUNXIA, ZHOU ZEXIN
Принадлежит:

The invention provides a method using a dynamic analog device for ultrahigh-voltage transformer type graded controllable parallel reactors, which is designed to accurately simulate a dynamic analog device for transformer type graded controllable parallel reactors with different capacities in 500 kV, 750 kV and 1000 kV power transmission systems. The primary side of the analog device body is in a single-phase discrete type, and three phases are connected to form a Y shape; and a primary winding is provided with 12 turn-to-turn fault taps which can respectively simulate 1-25% of turn-to-turn faults from the high-voltage side to the neutral point side. The secondary side of the analog device body is in a single-phase closed connection way, and the tail end is directly grounded. The capacities are divided into 9 grades: 100%, 75%, 62.5%, 56.25%, 46.875%, 37.5%, 31.25%, 18.75% and 15.625%. The primary side and the secondary side of the analog device body are respectively provided with a current ...

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Номер записи: 3
16-06-2010 дата публикации

Dynamic simulation device and method thereof of super and extra high voltage controllable magnetic control shunt reactor

Номер: CN0101741307A
Автор: CHEN BAICHAO, DU DINGXIANG, LI BEIQI, LI MING, LI ZHONGQING, TIAN CUIHUA, WANG JIANYU, XIANG CANFANG, ZHOU CHUNXIA, ZHOU ZEXIN, BAICHAO CHEN, DINGXIANG DU, BEIQI LI, MING LI, ZHONGQING LI, CUIHUA TIAN, JIANYU WANG, CANFANG XIANG, CHUNXIA ZHOU, ZEXIN ZHOU
Принадлежит:

The invention provides dynamic simulation device and method thereof of a super and extra high voltage controllable magnetic control shunt reactor, wherein the dynamic simulation device is capable of accurately simulating magnetic control shunt reactors with different capacities in 500kV, 750kV and 1,000kV power transmission systems. A simulation body consists of three single-phase magnetic control reactors; each single-phase magnetic control reactor is in a three-column structure; two beside core columns are working iron cores; a main alternating current winding and a direct current control coil are wound on each working iron core; and main alternating current windings on the two iron core columns are connected in parallel and connected to a power grid. Control windings are separated from the main windings so as to ensure the safety and the reliability of the device during work. The main windings are provided with twelve turn-to-turn short circuit taps which can respectively simulate 1- ...

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Номер записи: 4
14-05-2014 дата публикации

Superconductive adjustable reactor winding control apparatus and method

Номер: CN103795315A
Автор: CHEN BAICHAO, SUN BIN, YUAN JIAXIN, ZHOU PAN, YU CHANGTING, ZHOU XINGLONG
Принадлежит:

The invention discloses a superconductive adjustable reactor winding control apparatus and method. An alternating-current contactor is used as a mechanical switch and a thyristor in an anti-parallel mode is used as a power electronic switch; and a PLC is used for controlling the alternating-current contactor and the power electronic switch respectively. When a superconductive coil closing command is received, the PLC sends out the command to control the alternating-current contactor to make motion and the anti-parallel thyristor is controlled to carry out conduction. When the contact of the alternating-current contactor is closed, the thyristor conduction is stopped, so that the alternating-current contactor provides an access for the current flowing through superconductive coil. According to the invention, the mechanical switch and the alternating-current power electronic switch are combined; the response is fast and the loss is low; the direct-current component caused by the superconductive ...

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Номер записи: 5
05-11-2008 дата публикации

High leakage reactance type level adjustable series iron-core reactor

Номер: CN0101299375A
Автор: CHEN BAICHAO, YAN CHUNLI, CAI HONG, MENG QINGHUA, GONG ZHIQIANG, BAICHAO CHEN, CHUNLI YAN, HONG CAI, QINGHUA MENG, ZHIQIANG GONG
Принадлежит:

A high leakage reactance type step speed adjustable series connection iron core reactor is composed of an upper yoke core, a bottom yoke, a bypass core, a main core, a main winding coil, a control winding coil, an air gap section. The structure of the novel reactor is different from the general reactor, since the bypass core arranged in the general main core is sleeved with the control winding coil, the capacity of the reactor is changed by controlling the on and off of the control winding coil to adjust the capacity of the reactor, and the change of the connection mode of the winding can be performed with power failure, thereby reducing the economic loss caused by the power failure to change the capacity of the reactor.

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Номер записи: 6
11-03-2015 дата публикации

Hybrid compensation system and method for power quality of cophase power supply system

Номер: CN104410073A
Автор: CHEN BAICHAO, ZHANG CHENMENG, YUAN JIAXIN, TIAN CUIHUA, ZENG WENJUN, LEI YANG
Принадлежит:

The invention provides a hybrid compensation system and method for the power quality of a cophase power supply system. The system comprises a hybrid power quality conditioner, two magnetic-control static reactive power compensators and a V/V traction transformer, wherein the V/V traction transformer is connected by two single-phase transformers to be in V/V type, the primary edge of the V/V traction transformer is connected with a three-phase public power grid, and the two output ends of the secondary edge of the V/V traction transformer are traction power supply arms; the hybrid power quality conditioner and the two magnetic-control static reactive power compensators are respectively connected with the traction power supply arms. By the hybrid compensation of the magnetic-control static reactive power compensators and the hybrid power quality conditioner, the hybrid compensation system comprehensively solves the problems of reactive power, negative-sequence imbalance and harmonic waves ...

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Номер записи: 7
13-10-2010 дата публикации

Quadrangle suspension mechanism suitable for six-wheel environment detection vehicle

Номер: CN0101456433B
Автор: WANG ZHIZHONG, WANG RONGBEN, GE PINGSHU, YANG LU, CHEN BAICHAO, ZHIZHONG WANG, RONGBEN WANG, PINGSHU GE, LU YANG, BAICHAO CHEN
Принадлежит:

The invention relates to a quadrangular suspension rack mechanism suitable for a six-wheel environment probe vehicle. A suspension rack consists of four connecting rods which are hinged to form a quadrangular mechanism; one of the four connecting rods is a two-force rod; the external extending tail ends of other three connecting rods are connected with a front wheel, a middle wheel and a rear wheel; and the suspension rack at the left side and the right side and a vehicle body are connected through a differential speed device. A connecting point between the suspension rack and the differential speed device is positioned in the external extending section of the connecting rod connected with the rear wheel. When the road surface is not flat, the relative extension and undulation between thewheels can be realized through deformation of the quadrangular mechanism. Therefore, the suspension rack mechanism has strong capacity of terrain adaptation.

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Номер записи: 8
04-07-2023 дата публикации

L-shaped folding and unfolding swing rod suspension transfer mechanism and transfer method thereof

Номер: CN116374216A
Автор: YANG FEI, LI JIANYONG, YANG ZHILUN, YANG JIANZHONG, ZHANG WEIWEI, CHEN BAICHAO, LI XINLI, WANG WENLONG, TANG JUNYUE, JIANG SHENGYUAN, CHI GUANXIN, DENG ZONGQUAN
Принадлежит:

The invention discloses an L-shaped folding and unfolding swing rod suspension transfer mechanism and a transfer method thereof, relates to the technical field of planet patrolling device landing equipment, and solves the problem that landing points need to be selected due to the fact that a planet patrolling device is small in size and limited in obstacle crossing ability. The L-shaped folding and unfolding swing rod suspension transfer mechanism comprises a transfer swing rod mechanism and a swing rod action mechanism, and the swing rod action mechanism is arranged on the lander and connected with the transfer swing rod mechanism; the transfer swing rod mechanism is L-shaped and comprises a front swing rod and a rear swing rod, one end of the front swing rod is connected with the planet patroller, the other end of the front swing rod is connected with the rear swing rod, and the other end of the rear swing rod is connected with the lander; the swing rod action mechanism comprises a vertical ...

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Номер записи: 9
07-04-2023 дата публикации

Single-sliding-rod universal swing angle continuous feeding transfer device and transfer method

Номер: CN115924124A
Автор: TANG JUNYUE, LUO CHUNYANG, LI JIANYONG, CHEN BAICHAO, WANG WENLONG, LI XINLI, YANG FEI, ZHANG WEIWEI, YANG JIANZHONG, JIANG SHENGYUAN, WANG ZHENLONG, DENG ZONGQUAN
Принадлежит:

The invention provides a single-sliding-rod universal swing angle continuous feeding transfer device and a transfer method, and belongs to the technical field of planet patrolling device transfer. The transfer device comprises a horizontal swinging mechanism, a lateral unfolding mechanism and a sliding rod continuous conveying mechanism, the horizontal swinging mechanism comprises a horizontal swinging motor and a rotary seat, the horizontal swinging motor is connected with the rotary seat, the lateral unfolding mechanism comprises a lateral swinging motor, a first ratchet wheel, a second ratchet wheel and a one-way rotating shaft, and the lateral swinging motor is connected with the first ratchet wheel and the second ratchet wheel; the sliding rod continuous feeding mechanism comprises a sliding rod, a slow-release rope wheel, a slow-release rope and a lead screw, the sliding rod is connected with the one-way rotating shaft, the lead screw is arranged in the sliding rod, one end of the ...

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Номер записи: 10
16-07-2014 дата публикации

Boosting device and testing system using same

Номер: CN103929069A
Автор: CHEN BAICHAO, SONG JIMING, YUAN JIAXIN, WANG SHAOWU, ZHOU JUNWEI, FEI WENLI, DONG SIQING, QIU NING, ZHAO ZHEN, NI XIANGPING, ZHANG YADI
Принадлежит:

The invention discloses a boosting device and a testing system. The boosting device comprises a magnetic valve type controllable reactor, a high-voltage winding and a voltage distributing capacitor, wherein the input end of the magnetic valve type controllable reactor is connected with an input power supply, one end of the high-voltage winding is connected with the input end of the magnetic valve type controllable reactor, the high-voltage winding and the magnetic valve type controllable reactor share a public core limb, one end of the voltage distributing capacitor is connected with the other end of the high-voltage winding, and the other end of the voltage distributing capacitor is grounded. According to the boosting device, the equivalent magnetic inductance value of the magnetic valve type controllable reactor can be adjusted by adjusting the direct current in an exciting winding of the magnetic valve type controllable reactor according to different experiment devices and different ...

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Номер записи: 11
04-07-2012 дата публикации

Dynamic simulation device and method thereof of super and extra high voltage controllable magnetic control shunt reactor

Номер: CN0101741307B
Автор: CHEN BAICHAO, DU DINGXIANG, LI BEIQI, LI MING, LI ZHONGQING, TIAN CUIHUA, WANG JIANYU, XIANG CANFANG, ZHOU CHUNXIA, ZHOU ZEXIN, BAICHAO CHEN, DINGXIANG DU, BEIQI LI, MING LI, ZHONGQING LI, CUIHUA TIAN, JIANYU WANG, CANFANG XIANG, CHUNXIA ZHOU, ZEXIN ZHOU
Принадлежит:

The invention provides dynamic simulation device and method thereof of a super and extra high voltage controllable magnetic control shunt reactor, wherein the dynamic simulation device is capable of accurately simulating magnetic control shunt reactors with different capacities in 500kV, 750kV and 1,000kV power transmission systems. A simulation body consists of three single-phase magnetic control reactors; each single-phase magnetic control reactor is in a three-column structure; two beside core columns are working iron cores; a main alternating current winding and a direct current control coil are wound on each working iron core; and main alternating current windings on the two iron core columns are connected in parallel and connected to a power grid. Control windings are separated fromthe main windings so as to ensure the safety and the reliability of the device during work. The main windings are provided with twelve turn-to-turn short circuit taps which can respectively simulate 1-25 ...

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Номер записи: 12
01-09-2010 дата публикации

High leakage reactance type level adjustable series iron-core reactor

Номер: CN0101299375B
Автор: CHEN BAICHAO, GONG ZHIQIANG, CAI HONG, YAN CHUNLI, MENG QINGHUA, BAICHAO CHEN, ZHIQIANG GONG, HONG CAI, CHUNLI YAN, QINGHUA MENG
Принадлежит:

A high leakage reactance type step speed adjustable series connection iron core reactor is composed of an upper yoke core, a bottom yoke, a bypass core, a main core, a main winding coil, a control winding coil, an air gap section. The structure of the novel reactor is different from the general reactor, since the bypass core arranged in the general main core is sleeved with the control winding coil, the capacity of the reactor is changed by controlling the on and off of the control winding coil to adjust the capacity of the reactor, and the change of the connection mode of the winding can be performed with power failure, thereby reducing the economic loss caused by the power failure to change the capacity of the reactor.

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Номер записи: 13
15-08-2023 дата публикации

Hybrid active filter

Номер: CN116599065A
Автор: QIU JUN, CHEN BAICHAO, CHEN YAOJUN, XIONG YOUHONG, SUN WEI, LIU HONGBING, XIAO YAN, CHENG XIONG
Принадлежит:

The invention discloses a hybrid active filter, and relates to the technical field of power electronics, the hybrid active filter comprises an active filter module, a passive filter module and a first inductor, the active filter module comprises an injection coupling coil, an inverter, an adjusting module and a distribution circuit, and the injection coupling coil and the passive filter module are mutually inducted. Compensating current is injected into the passive filtering module through mutual inductance, the input end of the adjusting module detects and obtains first current consistent with the first output end of an inverter, second current consistent with the output end of a first inductor and third current consistent with the input end of a load, and the adjusting module compares the first current with the second current and the third current. A modulation signal is output to the input end of the distribution circuit according to the comparison result, and the output end of the distribution ...

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Номер записи: 14
06-10-2010 дата публикации

Non-contact type voltage measuring device and non-contact type voltage measuring method

Номер: CN0101852823A
Автор: BAI YAO, CHANG AN, CHEN BAICHAO, CHEN SONGBO, CHEN XIAOGUO, TIAN CUIHUA, XU XIAOGANG, YANG CHUMING, YAO SENJING, YUAN JIAXIN, ZHANG QIANXIONG, YAO BAI, AN CHANG, BAICHAO CHEN, SONGBO CHEN, XIAOGUO CHEN, CUIHUA TIAN, XIAOGANG XU, CHUMING YANG, SENJING YAO, JIAXIN YUAN, QIANXIONG ZHANG
Принадлежит:

The invention provides a non-contact type voltage measuring device and a method thereof. In the device and the method, induction lines with number same as that of detected buses/lead wires are arranged in parallel under the detected buses/lead wires, i.e. each detected bus/lead wire corresponds with one induction line. Therefore, when the detected buses/lead wires supply electric power, inductive voltage is formed on the induction lines under the detected buses/lead wires so as to form a corresponding conversion relationship between the detected buses/lead wires and the inductive voltage on the induction lines, after the inductive voltage on each induction line is detected, and the voltage value of each detected bus/lead wire is calculated according to the conversion relationship and each inductive voltage, accordingly measurement on the voltage value of each detected bus/lead wire can be realized. The measurement mode on the voltage value of each detected bus/lead wire does not need direct ...

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Номер записи: 15
14-01-2015 дата публикации

Lunar rover wheel pressure measurement unit for eliminating lateral error of wheel pressure measurement

Номер: CN104280176A
Автор: WANG WANQIU, ZHOU LIANG, WANG TIANGANG, FAN SHICHAO, CHEN BAICHAO, DU CHEN, WANG ZHIYONG, SUN TONG
Принадлежит:

The invention discloses a lunar rover wheel pressure measurement device for eliminating the lateral error of wheel pressure measurement. A wheel pressure platform is composed of six identical liftable wheel pressure measurement units measuring the pressure in the vertical direction. Each wheel pressure measurement unit is composed of a lifting unit, a pressure sensor and a wheel sliding platform. The wheel pressure platform corresponds to the six wheels to be detected of a lunar rover, and the wheel pressure platform can be located at different heights through electrical control and simulate the state of the wheels on a flat land and fluctuation along with terrain and obstacle crossing state of the wheel. The wheel sliding platforms is replaced by a soil groove filled with simulating lunar soil, and the wheels to be detected presses the simulating lunar soil work face of the soil grooves for wheel pressure measurement. Compared with the prior art, the lunar rover wheel pressure measurement ...

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Номер записи: 16
10-12-2014 дата публикации

Solid-state transformer based locomotive AC-DC-AC traction system and method

Номер: CN104201908A
Автор: YUAN JIAXIN, ZENG WENJUN, ZHAO ZHEN, CHEN LI, CHEN BAICHAO
Принадлежит:

The invention relates to a high-voltage SiC solid-state transformer based high-speed rail locomotive AC-DC-AC traction system, in particular to a solid-state transformer based locomotive AC-DC-AC traction system and method. Solid-state transformer modules made of SiC materials are adopted, and input sides of the transformer modules are in series connection while output sides are in parallel connection to form the high-speed rail locomotive AC-DC-AC traction system. Compared with traction transformers made of conventional semiconductor materials, solid-state transformers made of the SiC materials have the advantages that due to good power handling capability and frequency capability of the transformers, size and weight of the transformers can be reduced, load weight of a locomotive is reduced greatly, and good economical efficiency is realized; the input sides are in series connection while the output sides are in parallel connection, so that the high-speed rail locomotive traction system ...

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Номер записи: 17
01-09-2010 дата публикации

Automatic switching reactive compensator of tunable reactor type capacitor

Номер: CN0101340094B
Автор: CHEN BAICHAO, MENG QINGHUA, YAN CHUNLI, CAI HONG, BAICHAO CHEN, QINGHUA MENG, CHUNLI YAN, HONG CAI
Принадлежит:

The invention relates to an automatic switching compensation device for an adjustable reactor type capacitor, and the structure of the device is different from that of a conventional capacitance grouping switching device. As the device is provided with a balanced converter and a controller, the capacity of the reactor can be adjusted by opening or closing the switch of the balanced converter. Thecapacity change can be operated without power cut, thus reducing economic loss caused by change of the capacity of the reactor owning to power cut.

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Номер записи: 18
29-10-2014 дата публикации

Self-coupling step-down compensation integrated soft start device

Номер: CN104124905A
Автор: YUAN JIAXIN, LEI YANG, ZHOU JUNWEI, YU CHANGTING, CHEN BAICHAO
Принадлежит:

The invention discloses a self-coupling step-down compensation integrated soft start device which couples the two functions of a self-coupling transformer and a magnetic-valve type controllable reactor together through an ingenious circuit and magnetic circuit design, and relates to the start-up of an extra-high/ultra-high capacity high-voltage motor. A high-voltage side magnetic core and a low-voltage side magnetic core are completely the same in structure, the high-voltage side magnetic core is composed of a first iron core, a second iron core and a first side yoke, a first coil and a second coil are wound on the first iron core, a third coil and a third coil are wound on the second iron core, and the other end of each of the first coil and the third coil is connected with the other end of each of the second coil and the fourth coil in parallel; one end of a high-voltage side winding is connected with the positive pole of an input power supply, the other end of the high-voltage side winding ...

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Номер записи: 19
07-01-2009 дата публикации

Automatic switching reactive compensator of tunable reactor type capacitor

Номер: CN0101340094A
Автор: CHEN BAICHAO, YAN CHUNLI, CAI HONG, MENG QINGHUA, BAICHAO CHEN, CHUNLI YAN, HONG CAI, QINGHUA MENG
Принадлежит:

The invention relates to an automatic switching compensation device for an adjustable reactor type capacitor, and the structure of the device is different from that of a conventional capacitance grouping switching device. As the device is provided with a balanced converter and a controller, changing the opening or closing of the switch of the balanced converter can adjust the capacity of the reactor. The capacity change can be operated without power cut, thus reducing economic loss caused by change of the capacity of the reactor owning to power cut.

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Номер записи: 20
17-06-2009 дата публикации

Quadrangle suspension mechanism suitable for six-wheel environment detection vehicle

Номер: CN0101456433A
Автор: WANG RONGBEN, CHEN BAICHAO, WANG ZHIZHONG, YANG LU, GE PINGSHU, RONGBEN WANG, BAICHAO CHEN, ZHIZHONG WANG, LU YANG, PINGSHU GE
Принадлежит:

The invention relates to a quadrangular suspension rack mechanism suitable for a six-wheel environment probe vehicle. A suspension rack consists of four connecting rods which are hinged to form a quadrangular mechanism; one of the four connecting rods is a two-force rod; the external extending tail ends of other three connecting rods are connected with a front wheel, a middle wheel and a rear wheel; and the suspension rack at the left side and the right side and a vehicle body are connected through a differential speed device. A connecting point between the suspension rack and the differential speed device is positioned in the external extending section of the connecting rod connected with the rear wheel. When the road surface is not flat, the relative extension and undulation between the wheels can be realized through deformation of the quadrangular mechanism. Therefore, the suspension rack mechanism has strong capacity of terrain adaptation.

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Номер записи: 21