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Voltage control with on-load tap changers in medium voltage feeders in presence of distributed generation

Ferry Viawan (Institutionen för energi och miljö, Elteknik) ; Ambra Sannino ; Jaap E Daalder (Institutionen för energi och miljö, Elteknik)
Electric Power System Research Vol. 77 (2007), 10, p. 1314-1322.
[Artikel, refereegranskad vetenskaplig]

This paper discusses voltage regulation on medium-voltage feeders with distributed generation (DG) using on-load tap changer (LTC) and line drop compensation (LDC). The analysis shows that LTC is robust against DG, whereas DG can affect the effectiveness of the voltage regulation provided by LDC. However, with proper coordination between DG and LDC, it is possible to ensure voltage regulation without unnecessarily restricting the integration of DG. It is shown that, while lowering the LTC setting can increase the DG integration limit, even higher increase can be obtained by activating the LDC feature, which is present in most LTCs, but often not used. LDC regulation is also compared with other alternatives such as using a DG unit with voltage control capability and installing a line voltage regulator.

Nyckelord: Distributed Generation, On Load Tap Changer, Line Drop Compensation, Voltage Regulation, Voltage Control.



Denna post skapades 2007-01-26. Senast ändrad 2012-02-22.
CPL Pubid: 25953

 

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Institutioner (Chalmers)

Institutionen för energi och miljö, Elteknik (2005-2017)

Ämnesområden

Elkraftteknik

Chalmers infrastruktur