electricpy.fault.faultratio

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

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