A New Index for Online Tracking of the Switched capacitor bank location in distribution systems

Khani, Hadi; Moallem, Mehdi; Dolatshahi, Milad; Davari, A.; Sadri, Saeed

doi:10.1109/iraniancee.2010.5506956

Cited by 3 publications

(1 citation statement)

References 13 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Therefore, when the variations of current phase angle are small, determining the exact phase angles is difficult. In [12] and [13], two indices based on voltage and current transient analysis are proposed in order to determine the feeder containing the switched capacitor bank. In [14], based on fundamental circuit theory, a method is proposed for the distance estimation of switched capacitors.…”

Section: Introductionmentioning

confidence: 99%

A New Method for Online Determination of the Location of Switched Capacitor Banks in Distribution Systems

Khani

Moallem

Sadri

et al. 2011

IEEE Trans. Power Delivery

View full text Add to dashboard Cite

This paper describes two new approaches for the determination of the direction of switched capacitor banks as well as an efficient technique for estimating the distance of switched capacitors from the monitoring location in distribution systems. At first, two new indices based on branch voltage and current changes immediately after the capacitor switching instant are proposed for determining the direction of switched capacitor banks. The wavelet transform is used to detect the exact instant of switching. Then, a new technique based on linear circuit theory is proposed to estimate the distance of the switched capacitor bank from the monitoring location using capacitor switching transient data. Simulation results show that the error of the estimated distance is acceptable. A combination of the approaches for direction finding and the technique for distance estimation provide a novel method for determining the location of switched capacitor banks in real distribution systems. The method is valid in all normal, back-to-back, and abnormal switching of wye-and delta-configured capacitor banks. Also, the size of the capacitor bank has no effect on method accuracy. The efficacy of the proposed method is validated by using the IEEE 13-bus and 34-bus distribution systems.

show abstract

Section: Introductionmentioning

confidence: 99%