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Interconnection and damping assignment automatic voltage regulator for synchronous generators (CROSBI ID 250077)

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Jerković Štil, Vedrana ; Mehmedović Muharem Interconnection and damping assignment automatic voltage regulator for synchronous generators // International journal of electrical power & energy systems, 101 (2018), 204-212. doi: 10.1016/j.ijepes.2018.03.022

Podaci o odgovornosti

Jerković Štil, Vedrana ; Mehmedović Muharem

engleski

Interconnection and damping assignment automatic voltage regulator for synchronous generators

In this paper a new nonlinear regulation for synchronous generator excitation control is presented. This method comprises the nonlinear Interconnection and Damping Assignment (IDA) method together with the generator voltage feedback giving a nonlinear Automatic Voltage Regulator (AVR). First, the IDA excitation control is introduced in the third order salient pole synchronous generator mathematical model represented as a Port Controlled Hamiltonian (PCH) system. Thereafter, a generator voltage feedback signal is added. It is proven that adding the feedback to IDA control preserves a PCH structure of a system and the system is therefore passive. In the paper it is also proven that the gained system is stable and that the reference operating point corresponds to the minimal energy point of the system. Finally, the gained IDA AVR is tested with seventh order synchronous generator model and compared to classical generator excitation controllers. The simulations show the efficient tracking of generator voltage reference value, as well as the maintenance of stability in case of grid-side short-circuit occurrence. The main advantages of the proposed controller are efficiently generator voltage tracking and attenuation of electromechanical oscillations in case of a large disturbance, such as grid-side short-circuit.

AVR ; Forced equilibrium ; IDA ; Large disturbance stability ; PCH ; Synchronous generator

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Podaci o izdanju

101

2018.

204-212

objavljeno

0142-0615

1879-3517

10.1016/j.ijepes.2018.03.022

Povezanost rada

Elektrotehnika

Poveznice
Indeksiranost