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FUEL CELL STACK MODULE FAULT DETECTION SYSTEM AND METHOD
FUEL CELL STACK MODULE FAULT DETECTION SYSTEM AND METHOD
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机译:燃料电池堆模块故障检测系统和方法
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摘要
A stack module fault detection system, comprising an insulation resistance tester; a stack module, consisting of a plurality of stacks; and a plurality of switch groups, wherein each switch group comprises a first switch and a second switch, each switch group is respectively connected with a stack, the first end of the first switch is connected with the positive electrode of the stack, and the first end of the second switch is connected with the negative electrode of the stack; the second end of the first switch is connected with the positive electrode of the insulation resistance tester, and the second end of the second switch is connected with the negative electrode of the insulation resistance tester. A controller connected with the control end of the switch group controls the opening and closing of the switch group. The insulation resistance tester detects the insulation resistance of each stack in turn and sends the insulation resistance to the controller to monitor the insulation fault in the stack module. Under the condition of not disassembling the stack module, the insulation resistance of each stack is detected, and the stack with insulation fault can be located, so that the operation of fault positioning is simplified.
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