Characteristics of the Reactive Power Output of Metallized Polypropylene Capacitors at Thermal Stability Conditions

V. Vaidhyanathan; T. Bhavani  Shanker; Ukaram  .; A. Sheik  Mohamed

doi:10.33686/pwj.v19i1.1108

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Central Power Research Institute (CPRI) is the power house of the Indian electrical industry. Set up in 1960 by the Government of India, it functions as a centre for applied research in electrical power engineering assisting the electrical industry in product development and quality assurance. CPRI also serves as an independent authority for testing and certification of power equipment. CPRI's governing body includes eminent professionals from industries & utilities, prestigious academic and research institutions & the government. It employs over 300 highly qualified and experienced engineers & scientists besides other supporting staff.

With its state-of-the art infrastructure and expertise, CPRI has made significant contributions to the power sector in the country for improved planning, operation and control of power systems. Besides in-house R&D, CPRI also undertakes sponsored research projects from manufacturers and other agencies in different areas of specialization.

Published Aug 23, 2023

https://doi.org/10.33686/pwj.v19i1.1108

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Volume 19, Issue 1, June 2023

V. Vaidhyanathan

Capacitors Division, Central Power Research Institute, Bangalore - 560080, Karnataka

T. Bhavani Shanker

Capacitors Division, Central Power Research Institute, Bangalore - 560080, Karnataka

Ukaram .

Capacitors Division, Central Power Research Institute, Bangalore - 560080, Karnataka

A. Sheik Mohamed

Capacitors Division, Central Power Research Institute, Bangalore - 560080, Karnataka

Abstract

The nature of loads in the Low Voltage (LV) systems is predominantly inductive. This leads to a lagging power factor in LV networks and hence it is essential to compensate for the lagging power factor with suitable LV capacitor banks. Low Voltage power factor compensation is done with shunt capacitors to maintain a power factor closer to unity. For LV shunt power factor compensation, LV capacitors of the Metallized Polypropylene (MPP) type are predominantly used. When used in LV systems, these capacitors are operated under full load and generally operate at maximum operating temperature. A study was undertaken to identify the reactive power output under such conditions in MPP-type capacitors of similar voltage and different power ratings and the results of the study are discussed in this paper.

How to Cite

Vaidhyanathan, V., Shanker, T. B. ., ., U., & Mohamed, A. S. . (2023). Characteristics of the Reactive Power Output of Metallized Polypropylene Capacitors at Thermal Stability Conditions. Power Research - A Journal of CPRI, 19(1), 19–22. https://doi.org/10.33686/pwj.v19i1.1108

References

IEC 60831 2014 Shunt power capacitors of the self-healing type for aA.cC. systems having a rated voltage up to and including 1 000 V - Self Healing type.
Grebe TE. Application of distribution system capacitor banks and their impact on power quality. Rural Electric Power Conference; 1995. Available from: ieeexplore.ieee. org
Hur K, Santoso S. On two fundamental signatures for determining the relative location of switched capacitor banks. IEEE Transactions on Power Delivery, 2008; 23(2). https://doi.org/10.1109/TPWRD.2008.917669 DOI: https://doi.org/10.1109/TPWRD.2008.917669

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