H - Electricity – 02 – J
Patent
H - Electricity
02
J
349/39, 323/6
H02J 3/18 (2006.01) H02J 3/24 (2006.01)
Patent
CA 2010413
When there are variations in the short-circuit power of a system, the operating conditions can change, particularly in a controller of a compensating device. To automatically adapt the controller and to avoid or suppress oscillations or voltage variations in the system, a method is provided according to a first solution, where the circuit state of a compensating element is modified for testing purposes. The reaction of the system is detected in a device and, then a parameter which determines the damping of the controller is modified by means of a computing device. According to a second solution, an oscillation of the controller is established by detecting a signal which is dependent on the system voltage and by comparing specific variations. To suppress the oscillations, the hysteresis of the controller is damped by means of the computing device.
Henner Vladimir Edward
Leowald Karl-Friedrich
Wild Georg
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
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