High-voltage system insulation detecting method and device, and electric vehicle
A technology for high-voltage systems and electric vehicles, applied in measuring devices, testing circuits, testing dielectric strength, etc., can solve the problems of electric injury to people, failure to detect the insulation of high-voltage systems, etc., and achieve the effect of improving safety and reliability
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[0053] In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, a detailed description will be given below in conjunction with the accompanying drawings and specific embodiments.
[0054] The embodiment of the present invention provides a high-voltage system insulation detection method in view of the problem that the insulation detection of the high-voltage system cannot be performed when the power battery is preheated in the prior art, resulting in the risk of electric shock when the high-voltage system has an insulation failure, The device and the electric vehicle realize the insulation monitoring of the high-voltage system during the pre-heating process by improving the control algorithm without changing the hardware, thereby improving the safety of the pre-heating process.
[0055] Here, firstly, the architecture applied by the insulation detection method of the high-voltage system of the embodiment of the present...
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