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Rectifier three-way servo control microcircuit

A technology of servo control and microcircuit, which is applied in the field of rectifiers, can solve the problems of not being able to improve the range of use, affecting the working accuracy and application range of rectifiers, and the low integration of inertial rectifiers.

Inactive Publication Date: 2016-03-16
STATE GRID CORP OF CHINA +2
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  • Abstract
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  • Claims
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Problems solved by technology

Although the existing technology has realized the dual-channel servo control microcircuit through the circuit integration scheme, which has greatly improved the performance of the rectifier, but these relatively advanced technologies also have a lot of shortcomings.
In the existing two-way servo control microcircuit technology, the technical problems on one plane can only be solved through the circuit integration scheme, but there are still technical defects in the control of the three-dimensional space, and the inertial rectifier cannot be improved due to the low integration level. The range of use, which directly affects the working accuracy and application range of the rectifier

Method used

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  • Rectifier three-way servo control microcircuit
  • Rectifier three-way servo control microcircuit

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Embodiment Construction

[0038] 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.

[0039] As shown in Figure 1, an integrated microcircuit controller,

[0040] The first servo control circuit, the second servo control circuit and the third servo control circuit arranged on the integrated microcircuit controller,

[0041] The first servo control circuit is composed of a first preamplifier circuit, a first synchronous phase-sensitive demodulation circuit, a first low-pass filter, a first notch correction circuit and a first power amplifying circuit which are sequentially connected. The second servo control circuit is composed of a second preamplifier circuit, a second synchronous phase-sensitive demodulation circuit, a second low-pass filter, a second notch correction circuit and a second power amplifier circuit connected in seq...

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Abstract

The invention provides a rectifier three-way servo control microcircuit, which is provided with a first-way servo control circuit, a second-way servo control circuit and a third-way servo control circuit, wherein the first-way servo control circuit is composed of a first preamplifier circuit, a first synchronous phase-sensitive demodulation circuit, a first low-pass filtering circuit, a first notch correction circuit and a first power amplification circuit connected in sequence; the second-way servo control circuit is composed of a second preamplifier circuit, a second synchronous phase-sensitive demodulation circuit, a second low-pass filtering circuit, a second notch correction circuit and a second power amplification circuit connected in sequence; the third-way servo control circuit is composed of a third preamplifier circuit, a third synchronous phase-sensitive demodulation circuit, a third low-pass filtering circuit, a third notch correction circuit and a third power amplification circuit connected in sequence; and the first synchronous phase-sensitive demodulation circuit, the second synchronous phase-sensitive demodulation circuit and the third synchronous phase-sensitive demodulation circuit are all connected with phase-sensitive demodulation reference signals JC outputted by an excitation signal source.

Description

technical field [0001] The invention belongs to the technical field of rectifiers, in particular to a three-way servo control microcircuit of a rectifier. technical background [0002] With the rapid development of science and technology, higher and higher requirements are put forward for the rectifier, and the servo control circuit is an important part of it, which is directly related to the performance of the rectifier. Although the existing technology has realized the dual-channel servo control microcircuit through the circuit integration scheme, which has greatly improved the performance of the rectifier, but these relatively advanced technologies also have a lot of deficiencies. In the existing two-way servo control microcircuit technology, the technical problems on one plane can only be solved through the circuit integration scheme, but there are still technical defects in the control of the three-dimensional space, and the inertial rectifier cannot be improved due to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M1/088
CPCH02M1/088
Inventor 赵云乾张宝泽杨迎春王伟黄建奎盖爱武聂亮田董林海李涛
Owner STATE GRID CORP OF CHINA
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