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Combined Local and Remote Voltage and Reactive Power Control in the Presence of Induction Machine Distributed Generation

Ferry Viawan (Institutionen för energi och miljö, Elteknik) ; Daniel Karlsson (Institutionen för energi och miljö, Elteknik)
IEEE Transactions on Power Systems (0885-8950). Vol. 22 (2007), 4,
[Artikel, refereegranskad vetenskaplig]

This paper firstly investigates a local voltage and reactive power control (local control) in a distribution system based on local control of on-load tap-changer (OLTC), substation capacitors and feeder capacitors, and how the presence of induction machine based distributed generation (DG) affects it. A proper coordination among those available voltage and reactive power control equipment to minimize losses in the distribution system, with and without DG, is formulated. Secondly, a combined local and remote voltage and reactive power control (local-remote control), which is based on automated remote adjustment to the local control in order to minimize the losses even more, is proposed. The automated remote adjustment in the local-remote control is also intended to keep the operating constraints fulfilled all the time, which can not be achieved by using the local control when DG is present in the system. The OLTC and substation capacitors are assumed to be remotely controllable, while the feeder capacitors are not. DG with both constant power and varying power are investigated.

Nyckelord: Distribution system, distributed generation, voltage control, reactive power control, losses, on-load tap-changer, capacitor, induction machine.



Denna post skapades 2007-10-18. Senast ändrad 2016-08-15.
CPL Pubid: 55277

 

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Institutioner (Chalmers)

Institutionen för energi och miljö, Elteknik

Ämnesområden

Elektroteknik och elektronik

Chalmers infrastruktur