System and method for detecting insulation resistance of looped network of direct-current power supply system

• Main Authors: LUO TENG, MI YUNRU, MI WENCHAO, MI CHANGXI, XIA JIANHUA, XIAO JIANGTAO, WANG DAN, MA ZUOFU
• Format: Patent
• Language: Chinese; English
• Published: 19.04.2024
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The invention relates to the technical field of DC power supply system fault detection, and discloses a DC power supply system looped network insulation resistance detection system and method, and the detection system comprises a low-frequency signal source output part, a characteristic signal collection part and a processing unit which are electrically connected in sequence. The problem that in the prior art, the looped network insulation resistance of two sets of direct-current power supply systems cannot be measured is solved. 本发明涉及直流电源系统故障检测技术领域，公开了一种直流电源系统环网绝缘电阻的检测系统及方法，该检测系统，包括依次电连接的低频信号源输出部分、特征信号采集部分、处理单元。本发明解决了现有技术存在的无法测量出两套直流电源系统环网绝缘电阻的大小等问题。