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Design of Control Module for DC Power Supply withHigh Precision and Output Range of Voltage(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2018年03期
Page:
69-
Research Field:
电气与电子工程
Publishing date:

Info

Title:
Design of Control Module for DC Power Supply withHigh Precision and Output Range of Voltage
Author(s):
Sun Chenchen; Zhang Qiang; Xu Weiwei; Gao Song; Zhao Hua
School of Physics and Technology,Nanjing Normal University,Nanjing 210023,China
Keywords:
high voltage DC power system; control module; D/A conversion module; software correction
PACS:
TH711
DOI:
10.3969/j.issn.1672-1292.2018.03.010
Abstract:
This paper completes the hardware and software design of the control module in the DC power supply with high precision and output range of voltage. This design uses a double 12-bit digital-to-analog conversion to form a 14-bit digital-to-analog conversion method,which improves the resolution of the control voltage without increasing the cost. In order to improve the actual control accuracy feature,the design uses software compensation method to improve actual control voltage maximum error from 0.12 V to 0.000 6 V. Through this design,DC power supply can achieve requirements of the output range of -1 200～1 200 V and the accuracy of ±0.072 V.

References:

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Last Update: 2018-09-30