electricpy.fault.faultratio

electricpy.fault.faultratio(I, Ipickup, CTR=1)[source]

Fault Multiple of Pickup (Ratio) Calculator.

Evaluates the CTR-scaled pickup measured to pickup current ratio.

M = meas / pickup

Parameters:
I : float

Measured Current in Amps

Ipickup : float

Fault Current Pickup Setting (in Amps)

CTR : float, optional

Current Transformer Ratio for relay, default=1

Returns:

M – The measured-to-pickup ratio

Return type:

float