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Equation power controller

A technology of electric power and controller, which is applied in the direction of control/regulation system, instrument, and regulation of electric variables, etc. It can solve the problems of affecting and reducing the transmission efficiency of the AC power grid, power factor, and harmonic pollution of the power supply of the AC power grid, so as to achieve easy operation , Harmonic pollution is small, and the effect of reducing the gravitational impact of instantaneous current

Inactive Publication Date: 2008-01-02
ZHEJIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, in the known electric power converter, comprise the power input module that is directly connected to the AC grid, the rectifier bridge module, and the electric power converter of the large capacity (except DC power supply, switching power supply) module that are connected in parallel at the output end of the rectifier bridge, the thyristor Converters, etc., will produce large harmonic pollution to the power supply of the AC grid, which may directly affect and reduce the transmission efficiency and power factor of the AC grid, so designing and developing excellent converters and controllers has huge power saving, energy saving potential

Method used

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  • Equation power controller
  • Equation power controller

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specific Embodiment 1

[0019] Specific embodiment 1: the electric power controller of this equation comprises the rectifier bridge module 2 directly connected to the AC grid power input module 0, and the reverse diode module 4 connected in parallel on the load 5, between the AC grid power input module 0 and the rectifier bridge A filter circuit module 1 composed of an inductance and a high-frequency capacitor connected between the modules 2, and a transistor (IGBT) module 3 is connected on the positive pole between the rectifier bridge module 2 and the diode module 4 connected in reverse parallel; Transistor (IGBT) module 3 is connected to a control system module 6 .

[0020] The control system module 6 includes: connected to the transistor (IGBT) module 3, three control pole modules 30 of C, E and G of the transistor (IGBT); three control pole modules 30 of C, E and G connected to the transistor (IGBT) On the module 30, the driver chip module 29; connected on the driver chip module 29, the adjustab...

specific Embodiment 2

[0026] Specific embodiment 2: in the equation electric power controller described in specific embodiment 1, transistor (IGBT) module 3, and the control system module 6 that is connected on the transistor (IGBT) module 3, change to be connected in rectifier bridge module 2 and the negative pole between the anti-parallel diode module 4.

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Abstract

This invention relates to equation power controller, which comprises the following: rectification current bridge module directly connected to the alternating net power input module; reverse diode module paralleled to the load; the filter circuit module composed of inductance and high frequency capacitor between the alternating net power input module and the rectification current module; the transistor module connected to the positive and negative electrodes between the rectification bridge module and diode module; the control system module connected to the transistor module.

Description

technical field [0001] The invention relates to a device for electric power regulation, conversion and control of current and voltage, especially an equation electric power controller. Background technique [0002] The conversion of an electric power needs to be realized by a circuit device, which can effectively control and adjust its input and output electric power, so that it can effectively change the composite power function of voltage and current, and the transfer of this composite power function As a result, various load services requiring different electric power can be satisfied. In the control device of conversion circuit and electric power conversion technology, the rule of change is usually: from a supply end with higher voltage and current to serving a load that requires lower electric power; or from a supply end with lower power The supply end of voltage and current is converted to a load that requires higher electric power. Through the optimized design of th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05F1/66
Inventor 朱利法
Owner ZHEJIANG UNIV