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Power-saving rectification power supply device for realizing power compensation through capacitor

A rectifying power supply device and power compensation technology, which is applied in the direction of output power conversion device, AC power input conversion to DC power output, electrical components, etc., can solve the problems that the power saving effect cannot be achieved, and achieve the effect of high-quality power output

Inactive Publication Date: 2018-05-01
宁波永效环保科技有限公司
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  • Abstract
  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the actual application process, the existing frequency converter cannot achieve the power saving effect under specific working conditions, such as rated speed, rated power and rated frequency

Method used

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  • Power-saving rectification power supply device for realizing power compensation through capacitor

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Embodiment

[0015] Please refer to figure 1 As shown, an energy-saving rectifying power supply device that realizes power compensation through capacitance, includes a frequency converter terminal 2 and a rectifier module 4 connected to the frequency converter terminal 2, a capacitor 1 is connected in parallel to the frequency converter terminal 2, And the motor 3 is connected to the frequency converter terminal 2; the rectification module 4 includes a first rectification unit 5, a second rectification unit 6, a third rectification unit 7, a fourth rectification unit 8 and a fifth rectification unit 9, so The first rectification unit 5, the second rectification unit 6, the third rectification unit 7, the fourth rectification unit 8 and the fifth rectification unit 9 are connected to the terminal 10, and in the working state, any one of the rectification modules 4 The rectification unit is connected to the terminal 2 of the frequency converter.

[0016] The internal connection of the recti...

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Abstract

The invention discloses a power-saving rectification power supply device for realizing power compensation through a capacitor. The power-saving rectification power supply device comprises a frequencyconverter wiring terminal and a rectification module, wherein the rectification module is connected with the frequency converter wiring terminal, a capacitor is connected in parallel to the frequencyconverter wiring terminal, a motor is connected to the frequency converter wiring terminal, the rectification module comprises at least a fourth rectification unit, and the fourth rectification unit is composed of two diodes VD3 and VD4 and a wire. the special rectification power supply device can meet power supply demands of different frequency converters, meanwhile, the rectification power supply of the frequency converter is used as a power supply conversion device, is arranged between a power supply and a load, can provide excellent electric power output, and particularly can be used for achieving power conversion of large-power electric energy; and by a rectification mode, the current and voltage output of the rectification power supply device is reduced, power compensation is achieved by the capacitor, and thus, the effects of energy saving and power saving are more effectively achieved.

Description

technical field [0001] The invention relates to a rectifying power supply device, in particular to an energy-saving rectifying power supply device which realizes power compensation through capacitance, and belongs to the technical field of power equipment application. Background technique [0002] The frequency converter is a power control device that uses frequency conversion technology and microelectronics technology to control the AC motor by changing the frequency of the motor's working power supply. The frequency converter adjusts the voltage and frequency of the output power supply by switching off the internal IGBT, and provides the required power supply voltage according to the actual needs of the machine, thereby achieving the purpose of energy saving and speed regulation. In addition, the frequency converter has many protection functions , such as overcurrent, overvoltage, overload protection and so on. With the continuous improvement of industrial automation, fre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M7/155
CPCH02M7/1552
Inventor 郭红伟刘开国
Owner 宁波永效环保科技有限公司
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