High voltage to low voltage TSC device

A step-down transformer, low-voltage technology, applied in harmonic reduction devices, circuit devices, AC network voltage adjustment and other directions, can solve the problems of high maintenance cost, large floor space, large impact inrush current, etc., achieve ideal compensation effect and save energy Small footprint, no inrush impact effect

Pending Publication Date: 2019-03-19
瑞通阿西亚(天津)科技有限公司
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  • Claims
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Problems solved by technology

[0002] With the increasing demand for high-voltage reactive power compensation, many reactive power compensation industries are seeking a more reasonable and effective reactive power compensation method, and various reactive power compensation methods have gradually been implemented. Each method Each has advantages and disadvantages. For example, SVC has fast response speed, but the cost is too high, the floor area is l

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  • High voltage to low voltage TSC device

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Embodiment Construction

[0013] In order to be able to understand the above objectives, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0014] The high-voltage transformer low-voltage TSC device disclosed in the present invention includes: high-voltage bus, circuit breaker A, step-down transformer, isolating switch, current transformer, arrester, low-voltage bus, circuit breaker B, thyristor switch, series reactor, capacitor, and microcomputer controller , Sampling PT, sampling CT. It is characterized in that the inlet end of the circuit breaker A (2) is connected to the high voltage bus (1), the outlet end of the circuit breaker A (2) is connected to the inlet end of the step-down transformer (3), and the step-down transformer (3) The outlet end of) is connected to the inlet end of the isolating switch (4), and is also connected to the inlet end of the ...

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Abstract

The invention discloses a high voltage to low voltage TSC device, and relates to the field of power devices. The device comprises a high voltage busbar, a circuit breaker A, a step-down transformer, an isolating switch, a current transformer, a lightning arrester, a low voltage busbar, a circuit breaker B, a thyristor switch, a series reactor, a capacitor, a microcomputer controller, a sampling PTand a sampling CT. The device combines the multiple functional features of SVC, SVG and high voltage group compensation, abandons their respective shortcomings, and is a new reactive power compensation method and idea.

Description

Technical field [0001] The present invention relates to the field of power equipment, in particular to a high-voltage-to-low-voltage TSC device. Background technique [0002] With the increasing demand for high-voltage reactive power compensation, many reactive power compensation industries are looking for a more reasonable and effective reactive power compensation method, and gradually implemented a variety of reactive power compensation methods, each method Each has its advantages and disadvantages. For example, SVC has fast response speed, but the cost is too high, the area is large, the maintenance is difficult, the loss is too large, and the harmonics are generated by itself; the high-voltage direct-mounted SVG is expensive, the area is large, the loss is large, and the maintenance cost Very high, high failure rate; high-voltage group compensation, the compensation effect is too poor, and the surge current is huge when the contactor is closed, which seriously affects the ser...

Claims

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Application Information

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IPC IPC(8): H02J3/18H02J3/16H02J3/01
CPCH02J3/01H02J3/16H02J3/18H02J3/1828Y02E40/10Y02E40/30Y02E40/40
Inventor 李欣然平鑫张余
Owner 瑞通阿西亚(天津)科技有限公司
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