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Q : How to reduce output reactor overheating on IPE300 VFD for long-cable asynchronous motor applications?
A: Model : IPE300
Application condition: asynchronous motor long cable application.
Fault phenomenon: Some output reactors have a temperature of 90℃, while the reactors change color.
How to solve it?
Cause analysis:
Check the motor cable for approximately 100-400 meters. Check that the carrier frequency of theVFD is set to 3-8kHz. Check the nameplate of the reactor to see if it is suitable for a carrier frequency of 2kHz.
Solution:
Optimize the carrier frequency of the VFD and reduce it to 2kHz for carriers with severe heating.
Improvement effect:
Reduce the temperature of the output reactor from 90℃ to 60 ℃
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