electricpy.fault.instoc

electricpy.fault.instoc(Imin, CTR=1, Ki=0.5)[source]

Instantaneous OverCurrent Pickup Calculator.

Using a sensetivity factor and the CTR, evaluates the secondary-level pickup setting for an instantaneous overcurrent element.

Parameters:
Imin : float

The minimum fault current in primary amps.

CTR : float, optional

Current Transformer Ratio, default=1

Ki : Sensetivity factor, default=0.5

Returns:

Ipu – The pickup setting for the instantaneous overcurrent element as referred to the secondary side.

Return type:

float