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Single-phase silicon-controlled ac voltage stabilizer

An AC voltage stabilizer, single-phase technology, applied in instruments, control/regulating systems, adjusting electrical variables, etc., can solve the problems of narrow voltage stabilization range, high manufacturing cost, complex structure, etc., to achieve wide voltage stabilization range, manufacturing Low cost and fast response

Inactive Publication Date: 2008-09-03
上海精达电力稳压器制造有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a single-phase thyristor AC voltage stabilizer to solve many shortcomings of existing AC voltage stabilizers such as narrow voltage regulation range, slow response, low efficiency, complex structure, and relatively high manufacturing cost.

Method used

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Embodiment Construction

[0022] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0023] Such as figure 1 As shown, a single-phase thyristor AC voltage stabilizer includes a power input terminal and a power output terminal, a voltage regulation circuit is provided between the power input terminal and the power output terminal, and a voltage regulation circuit is connected between the power supply output terminal. A control circuit, the control circuit is connected to the operation circuit.

[0024] See Figure 2, the control circuit is composed of multi-tap autotransformer TB and six thyristor units CR1~CR6, the thyristor units are connected to the autotransformer TB, and the autotransformer TB is connected to the L phase and N phase of the input power supply. Phase, thyristor units CR1 ~ CR6 connected to the output power U ...

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Abstract

The invention provides a single-phase silicon-controlled AC voltage stabilizer, which solves the problems of narrow voltage-stabilizing scope, slow response, low efficiency, complicated structure, and high manufacture cost existing in current AC voltage stabilizer. The voltage stabilizer comprises a power input end and a power outlet end, a voltage regulator circuit is equipped between the power input end and the power outlet end, a control circuit is equipped between the voltage regulator circuit and the power output end, the control circuit is connected with an operating circuit. The single-phase silicon-controlled AC voltage stabilizer integrates intelligent measurement and control, silicon-controlled non-contacting switch and transformer technology together, has the characteristics of wide voltage-stabilizing scope, quick response, quietness, high reliability, high efficiency, simple structure, relative low manufacture cost; adopts a latest technology in no need of current-limiting resistance, which is capable of greatly improve the reliability and efficiency of the overall machine, a prototype tested by post and telecommunication industry products quality supervision test center in information and industry ministry has an overall efficiency reaching to 99.2%; and has perfect self-testing and protection function.

Description

technical field [0001] The invention relates to the technical field of AC voltage stabilizers, in particular to a single-phase thyristor AC voltage stabilizer. Background technique [0002] AC voltage stabilizers have been widely used in production and scientific research, and are well known to everyone, and there are various types, but in most cases, the three-phase AC voltage is adjusted and stabilized by using staged and multi-stage fixed voltage compensation. Scheme, the precision of voltage stabilization of this scheme is limited, if higher precision of voltage stabilization is required, the number of compensation series may be more than three levels, which not only makes the control complicated, but also increases the number of compensation transformers, and the weight and structure are huge. Although it can also stabilize the voltage, it is too different from the economical and practical requirements. [0003] Thyristors are also called thyristors. Since its incepti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05F1/12
Inventor 杨兴龙包家顺沙万乾
Owner 上海精达电力稳压器制造有限公司
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