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In this video we explain phase sequence relay working and connection practicàlly
Usually phase relay require when we don't want to run motor in reverse direction,
For example in large ratting motor, compressure we don't want to run in reverse direction always so for this protection we use phase sequence relay
Phase sequence relay will stop our motor when motor phase sequence change also when one phase not come
In this video we explain very easily for more information learning about this topic just watch and learn
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Thanks for watching