electricpy.fault.poleopen1¶
- electricpy.fault.poleopen1(Vth, Zseq, sequence=True, reference='A')[source]¶
Single Pole Open Fault Calculator.
This function will evaluate the Zero, Positive, and Negative sequence currents for a single pole open fault.
\[I_1 = \frac{V_{th}}{Z_1+(\frac{1}{Z_2}+\frac{1}{Z_0})^-1}\]\[I_2 = -I_1 * \frac{Z_0}{Z_2+Z_0}\]\[I_0 = -I_1 * \frac{Z_2}{Z_2+Z_0}\]- Parameters:
Vth (complex) – The Thevenin-Equivalent-Voltage
Zseq (list of complex) – Tupple of sequence reactances as (Z0, Z1, Z2)
sequence (bool, optional) – Control argument to force return into symmetrical- or phase-domain values.
reference ({'A', 'B', 'C'}) – Single character denoting the reference, or the faulted phase indicator; default=’A’
- Returns:
Ifault – The Array of Fault Currents as (If0, If1, If2)
- Return type:
list of complex,