electricpy.fault.tocreset¶

electricpy.fault.tocreset(I, Ipickup, TD, curve='U1', CTR=1)[source]¶

Time OverCurrent Reset Time Function.

Function to calculate the time to reset for a TOC (Time-OverCurrent, 51) element.

Parameters:¶

I : float¶

Measured Current in Amps

Ipickup : float¶

Fault Current Pickup Setting (in Amps)

TD : float¶

Time Dial Setting

curve : string, optional¶

Name of specified TOC curve, may be entry from set: {U1,U2,U3,U4,U5,C1,C2,C3,C4,C5}, default=U1

CTR : float, optional¶

Current Transformer Ratio, default=1

Returns:¶

tr – Time-to-Reset for characterized element.

Return type:¶

float