how to calculate Zero Sequence inductance(L0)For IPMSM delta connection

adhavad - 2023-09-08T10:47:09+00:00

Question: how to calculate Zero Sequence inductance(L0)For IPMSM delta connection

I have Ld,Lq values for IPMSM delta connection.These Ld,Lq values were taken from motor cad.But Motor cad could not provided Zero Sequence inductance(L0).So,I want to know how to calculate Zero sequence inductance(L0) for ipmsm delta connection.  

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Expert Answer

Kshitij Singh answered . 2025-11-20

1. Open-Circuit Voltage for Zero Sequence: you'll need to perform a simulation or measurement under zero sequence conditions. You can apply a zero sequence voltage at the motor terminals while keeping the other phases open-circuited. Measure the resulting voltage across the motor terminals.
2. Short-Circuit Current for Zero Sequence: Similarly, you'll need to simulate or measure the short-circuit current under zero sequence conditions. This involves applying a short circuit to the motor terminals while injecting a zero sequence current. Measure the resulting current.

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