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Magnetically controlled reactor

A magnetron reactor and resistance technology, applied in electrical components, transformer/inductor coil/winding/connection, transformer/inductor core, etc. Influence, avoid accidents, reduce the effect of current

Inactive Publication Date: 2015-11-18
广州同汇盛南站产业发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Based on this, it is necessary to provide a magnetically controlled reactor that improves the exiting speed in view of the problem that the existing magnetically controlled reactor cannot achieve rapid withdrawal

Method used

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Examples

Experimental program
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Embodiment Construction

[0021] see figure 1 , providing a magnetron reactor in an embodiment, including a first iron core C1, a first winding L 1 , the second winding L 2 , the first thyristor T1, the second core C2, the third winding L 3 , the fourth winding L 4 , the second thyristor T2 and the freewheeling module.

[0022] The first iron core C1 and the second iron core C2 are arranged in parallel, and the first winding L 1 with the second winding L 2 respectively wound on the first iron core C1, and the third winding L 3 with the fourth winding L 4 respectively wound on the second core C2, the first winding L 1 One end of the third winding L 3 One end of each is connected to the input end of the external power supply, and the first winding L 1 The other end of the fourth winding L 4 One end of the connection makes the first winding L 1 with the fourth winding L 4 Series, the third winding L 3 The other end of the second winding L 2 One end of the connection makes the third winding L...

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Abstract

The invention relates to a magnetically controlled reactor. When the magnetically controlled reactor exits, a control switch is controlled to be disconnected, and thus a non-linear module and a freewheeling diode are connected between the other end of a first winding and the other end of a third winding and a current flowing through the freewheeling diode flows through the non-linear module. The non-linear module is added to the freewheeling diode line and thus the reactance value of the freewheeling diode line is increased. When the magnetically controlled reactor exits, the higher the reactance value of the freewheeling diode line is, the smaller the average current flowing through the freewheeling diode is, so that the direct-current biasing current of the magnetically controlled reactor is reduced and thus the current flowing through the magnetically controlled reactor can be reduced rapidly. Therefore, exit of the magnetically controlled reactor can be realized rapidly on an abnormal condition and thus normal operations of other equipment of the power system are not influenced; spreading the abnormal situation can be effectively reduced and even an accident can be avoided; and the influence caused by the accident can be effectively reduced.

Description

technical field [0001] The invention relates to the electrical field, in particular to a magnetron reactor. Background technique [0002] Magnetically controlled reactors are widely used in reactive power compensation of power systems due to their simplicity, practicality and low price. The magnetic control reactor and the fixed capacitor FC are connected in parallel to form a new type of SVC (Static Var Compensator, static var compensator) device, which functions as a stepless adjustable capacitor or inductor, which greatly improves the control accuracy. In recent years, the magnetic control reactor has been widely used in the voltage stability control of wind power generation, which has ended the long-term manual operation of the on-load tap changer to stabilize the output voltage to achieve the output voltage of the wind farm, greatly reducing the staff's workload. Regulate workload. [0003] However, in April 2011, a large-scale off-grid accident of wind power generato...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/18H01F27/24H01F27/30H02P13/00
CPCY02E40/30
Inventor 吴明玉曹德华
Owner 广州同汇盛南站产业发展有限公司