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Experiment apparatus and method for high voltage gradation voltage falling compensation apparatus

A technology of voltage drop and compensation device, which is applied in the field of electric power, can solve the problems of high cost and poor flexibility, and achieve the effect of low cost and good flexibility

Active Publication Date: 2012-10-31
STATE GRID CORP OF CHINA +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide an experimental device and method for a high-voltage level voltage drop compensation device, which can solve the problem of high cost and poor flexibility of the above-mentioned experimental scheme

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  • Experiment apparatus and method for high voltage gradation voltage falling compensation apparatus
  • Experiment apparatus and method for high voltage gradation voltage falling compensation apparatus

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Embodiment Construction

[0013] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0014] figure 1 A schematic circuit diagram of a single-phase experimental device according to an embodiment of the present invention is shown, which includes:

[0015] main power;

[0016] The thyristor S11 and the thyristor S13, the input end of the thyristor S11 is connected to the input end of the thyristor S13, and the output end of the thyristor S11 is connected to the main power supply;

[0017] backup power;

[0018] The thyristor S12 and the thyristor S14, the output end of the thyristor S12 is connected to the output end of the thyristor S14, and the input end of the thyristor S12 is connected to the backup power supply;

[0019] The output terminal of the thyristor S13 and the input terminal of the thyristor S14 are connected together, and are commonly connected to one phase of the high voltage level voltage drop compen...

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Abstract

The present invention provides a testing device and a testing method thereof used for a high voltage class voltage drop compensating device. The testing device comprises a main power supply, a thyristor S11, a thyristor S13, a standby power supply, a thyristor S12 and a thyristor S14, wherein the input end of the thyristor S11 is connected to the input end of the thyristor S13 and the output end of the thyristor S11 is connected to the main power supply; the output end of the thyristor S12 is connected to the output end of the thyristor S14 and the input end of the thyristor S12 is connected to the standby power supply; and the output end of the thyristor S13 and the input end of the thyristor S14 are connected together to one phase of the high voltage class voltage drop compensating device. The testing device and the testing method have the advantages of low cost and good flexibility.

Description

technical field [0001] The invention relates to the field of electric power, in particular to an experimental device and method for a high-voltage level voltage drop compensation device. Background technique [0002] Voltage sag refers to a phenomenon in which the voltage amplitude drops to 10% to 90% of the rated voltage amplitude, and the duration is half a cycle to several seconds. Most of the voltage dips are caused by factors such as short-circuit faults in transmission and distribution lines, induction motor startup, etc. Voltage drop is an objective existence that is difficult to predict and cannot be avoided. In important users such as the information industry, the military, and hospitals that use microprocessors or computers, every voltage drop may cause huge economic losses or political influences. [0003] Dynamic Voltage Restorer (DVR) is an economical and effective device to solve the voltage sag problem. In order to verify the effectiveness of the voltage dr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J9/00H02J9/06
Inventor 蒋晓春李金元赵小英李奇睿刘亚萍
Owner STATE GRID CORP OF CHINA
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