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High-power high-accuracy power supply with continuously adjustable voltage

A high-precision, high-power technology, used in output power conversion devices, DC power input to DC power output, electrical components, etc., can solve the problems of slow dynamic response speed, low voltage stability and accuracy, and achieve dynamic Fast response, improve anti-interference ability, and ensure the effect of reliability

Inactive Publication Date: 2011-04-27
TIANJIN RES INST OF ELECTRIC SCI +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the development of the times, more and more fields require high-power DC power supplies with high precision and high dynamic performance. However, traditional high-power DC power supplies usually use choppers. The existing problems are: voltage stability and accuracy It is difficult to meet the actual needs due to problems such as low height and slow dynamic response speed

Method used

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  • High-power high-accuracy power supply with continuously adjustable voltage
  • High-power high-accuracy power supply with continuously adjustable voltage
  • High-power high-accuracy power supply with continuously adjustable voltage

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Embodiment Construction

[0025] Embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings:

[0026] A continuously adjustable high-power high-precision power supply, such as figure 1 As shown, it consists of input smoothing reactor (1), rectifier bridge (2), pre-charging circuit (3), common mode suppression reactor (4), input electrolytic capacitor and discharge device (5), input voltage detection module VM1 , a power unit group (6), an output electrolytic capacitor and a discharge device (7) and an output voltage detection module VM2 are sequentially connected to form an input electrolytic capacitor and a discharge device (5), an input voltage detection module VM1, a power unit group (6), The output electrolytic capacitor and the discharge device (7) and the output voltage detection module VM2 are respectively connected with the controller module (8). The power unit group (6) is composed of a number of power units (9) connected in parall...

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Abstract

The invention relates to a high-power high-accuracy power supply with continuously adjustable voltage. The power supply is characterized by consisting of an input smoothing reactor (1), a rectifier bridge (2), a pre-charge loop (3), a common mode suppression reactor (4), an input electrolytic capacitor and discharge device (5), an input voltage detection module VM1, a power unit group (6), an output electrolytic capacitor and discharge device (7) and an output voltage detection module VM2 which are connected in turn, wherein the input electrolytic capacitor and discharge device (5), the input voltage detection module VM1, the power unit group (6), the output electrolytic capacitor and discharge device (7) and the output voltage detection module VM2 are connected with a controller module (8) respectively. The power supply realizes continuously adjustable function of voltage, reduces device loss, improves system efficiency and reliability, has the characteristics of high system integration and processing speed and flexible control mode and can very conveniently adjust parameters such as a protection value and the like.

Description

technical field [0001] The invention belongs to the field of high-power DC power supply, in particular to a high-power high-precision power supply with continuously adjustable voltage. Background technique [0002] High-power DC power supply is a type of equipment in power electronic devices, and its function is to convert AC power into DC power to supply DC power equipment. For example, DC motor speed control device, electrolytic plating power supply, synchronous motor excitation, communication transmission system power supply, etc. Therefore, high-power DC power supply has a very wide range of uses. With the development of the times, more and more fields require high-power DC power supplies with high precision and high dynamic performance. However, traditional high-power DC power supplies usually use choppers. The existing problems are: voltage stability and accuracy It is difficult to meet the actual needs due to problems such as low height and slow dynamic response spee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/07H02M3/335H02M1/14
Inventor 李钊徐道恒尤轶
Owner TIANJIN RES INST OF ELECTRIC SCI
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