Implementation method of electronic power switch device for BESS system
A technology of a power electronic switch and an implementation method, which is applied in circuit devices, emergency protection circuit devices, emergency protection devices with automatic disconnection, etc. The effect of cost reduction and workload reduction
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[0030] The present invention will be further described below in conjunction with the accompanying drawings.
[0031] see figure 2 As shown, the present invention provides a method for realizing a power electronic switchgear for a BESS system, the method comprising the following steps:
[0032] Step S1, when in use, install a power electronic switch device for real-time monitoring of the battery module DC change rate on each battery module of the BESS energy storage system;
[0033] Step S2, turn on the power electronic switch device, the power electronic switch device detects the DC current change rate dI / dt of the BESS energy storage unit in real time through the DC sensor, and the DC current change rate dI / dt does not change under the normal condition of the BESS energy storage unit;
[0034] Step S3, when the BESS energy storage unit fails, the power electronic switch device detects the DC current change rate dI / dt and the DC loop current I in real time;
[0035] Step S4...
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