current relay is a relay that funct

current relay is a relay that functions when the polyphase currents are of reverse phase sequence or when the polyphase currents are unbalanced or contain negative phase-sequence
components above a given amount.

ผลลัพธ์ (อังกฤษ) 2:

When current Relay is a Relay functions that are of Reverse Phase Sequence Currents The polyphase or When The polyphase Currents are unbalanced or contain Negative Phase-Sequence
components above a Given amount.