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We experience problem with VFD el.motor -1500HP, ABB multidrive 600VAC. RTDs occasionally cause motor shut down. Their value sometimes shoots up to 90C or even higher, sometimes the value changes for a very short period, sometimes it steady. All three phases have the same problem. RTD's cable is shielded.
My question is, what is wrong with RTD and if they got faulty, is there any way to replace them?
Thanks and best regards
ET
My question is, what is wrong with RTD and if they got faulty, is there any way to replace them?
Thanks and best regards
ET