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High power two-way current transformation power supply circuit and rectifier

A technology for bidirectional current conversion and power supply circuits, applied in battery circuit devices, AC power input conversion to DC power output, collectors, etc., can solve the problems of power generation efficiency reduction, waste of power generation capacity, etc., to prolong service life and save energy , The effect of reducing electricity costs

Inactive Publication Date: 2014-10-15
安徽泰昂电力技术有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the increase of electricity demand year by year, the load gap between peak and trough electricity consumption is getting bigger and bigger. During the day, the electricity load is very large, and some places even have to cut power, but in the middle of the night, due to the small electricity consumption, many power generation It is wasteful, and under low load, the power generation efficiency is significantly reduced

Method used

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  • High power two-way current transformation power supply circuit and rectifier
  • High power two-way current transformation power supply circuit and rectifier

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Embodiment Construction

[0017] The embodiments of the present invention are described in detail below. This embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following implementation example.

[0018] combine figure 1 figure 2 , a high-power bidirectional variable current power supply rectifier, including two DC connection posts 4, three AC connection posts 5, three capacitors C1-C3 and three inductors L1-L3, and the three capacitors L1-L3 are respectively connected across Between the three AC wiring posts 3, it is characterized in that: it also includes an IPM module 8, the IPM module is composed of a three-phase full-bridge IGBT power conversion unit, and three inductors L1-L3 are installed between the three AC wiring posts 3 and the IPM Between the AC sides of the modules 8, the DC sides of the IPM ...

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Abstract

The invention discloses a high power two-way current transformation power supply circuit and a rectifier. The power supply circuit comprises an isolation transformer, an alternating current circuit breaker, a direct current circuit breaker, an energy storage battery and the rectifier. One end of the isolation transformer is connected with a power grid, the other end is connected with the rectifier, the alternating current circuit breaker is installed between the isolation transformer and the rectifier, the energy storage battery is connected with the rectifier, and the direct current circuit breaker is installed between the energy storage battery and the rectifier. The rectifier mainly comprises a capacitor, an inductor and an intelligent power module (IPM). The IPM is composed of a three-phase full-bridge insulated gate bipolar transistor (IGBT) power transformation unit. Compared with the prior art, the circuit and the rectifier have the advantages that the circuit is stable and reliable, two-way current transformation is allowed, power and voltage are adjustable, the manufacture cost is low, and the control is simple.

Description

technical field [0001] The invention relates to the field of battery energy storage, in particular to a high-power bidirectional variable current power supply circuit and a rectifier thereof. Background technique [0002] With the increase of electricity demand year by year, the load gap between peak and trough electricity consumption is getting bigger and bigger. During the day, the electricity load is very large, and some places even have to cut power, but in the middle of the night, due to the small electricity consumption, many power generation It is wasted in vain, and under low load, the power generation efficiency is significantly reduced. Therefore, developed countries have begun to experiment with various methods of energy storage, to store the surplus electricity during the low-peak period of electricity consumption, and to use it again during the peak period of electricity consumption, in order to reduce the waste of electric energy, realize peak-shaving and valle...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M7/797H02J3/32H02J7/02H02J7/00
Inventor 崔晓军
Owner 安徽泰昂电力技术有限公司
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