Substation1
Dictionary of Electrical Engineering

Commonly used terms in the Electrical industry.

admittance
the reciprocal of the impedance of an electric circuit.
bus admittance matrix

See Y-bus
short circuit admittance
the admittance into an N-port device when the remaining ports are terminated in short circuits. For port 1 of a 2-port device, it is the input admittance into port 1 when port 2 is shorted.