Energy storage insulation detection method real-time

Is there a real-time insulation resistance detection method based on forgetting factor least squares?

To solve the problems of slow response and the poor estimation accuracy of the insulation resistance under complex vehicle working conditions, a real-time insulation resistance detection method based on the variable forgetting factor least squares algorithm is proposed in this paper.

What are the methods and characteristics of insulation resistance detection?

Common methods and characteristics of insulation resistance detection: Voltammetry: It is simple and easy to measure and calculate. The resistance measurement has good real-time performance, but the voltage and current measurement are required to be synchronized.

What are the common methods of insulation detection?

Principles of common methods for insulation detection: National standard method： The improved volt ampere method is used to measure the insulation resistance, that is, the reference resistance is used in parallel, and the insulation resistance is obtained through simple mathematical operation.

What is insulation detection method based on capacitor charging and discharging?

also proposed an insulation detection method based on capacitor charging and discharging. Its principle is to inject the high voltage into the battery pack, then the insulation resistance is calculated by testing the voltage of the feedback capacitor. This method has the characteristics of low complexity and easy implementation.

Does DKR method detect insulation resistance?

The DKR method has shown great accuracy in the detection of insulation resistance under variable voltage variable resistance conditions. So the experimental results show that the DKR method has high detection accuracy. 5. Conclusions In this paper, the insulation resistance of the electric vehicle battery pack is studied.

How to calculate the insulation resistance of a battery pack?

Its principle is to inject the high voltage into the battery pack, then the insulation resistance is calculated by testing the voltage of the feedback capacitor. This method has the characteristics of low complexity and easy implementation. Unfortunately, this method is very sensitive to noise.