Power system

Details Power system Power system

2011-07-19

2011-07-19

Berhane, Adolf (Department: 2838)

Electricity: power supply or regulation systems

Output level responsive

Using a transformer or inductor as the final control device

C323S255000, C323S340000, C323S356000

Reexamination Certificate

active

07982442

ABSTRACT:
A method for voltage stabilization of an electrical power network system including a producing power network system side, a consuming power network side including a power load, a power transmission line with an impedance ZLN, a transformer and an on-line tap changer added to the transformer. The impedance of the line is measured in case of dynamic instabilities. A transformer ratio n is controlled by changing a voltage reference Vrefof the on-line tap changer. The voltage reference is changed according to a feed forward compensation from the impedance of the line.

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