What is Plug Setting Multiplier (PSM)?
A. Reducing factor for setting the value of overcurrent relay to allow the relay to run faster
B. The current value in the circuit that needs protection is the number of times the normal continuous current.
C. The voltage setting value is the number of voltage coordinates of VT to allow the overcurrent relay to work
D. Multiplier for adjusting the current relay for work safety
Show Answer
Answer: B
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