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Research Journal of Engineering and Technology
Year : 2015, Volume : 6, Issue : 4
First page : ( 427) Last page : ( 431)
Print ISSN : 0976-2973. Online ISSN : 2321-581X.
Article DOI : 10.5958/2321-581X.2015.00066.5

Cost Optimal Design of a Power Inductor for VAR Compensation in EHV Line

Basak Raju1,*, Das Arabinda2,**, Sanyal Amarnath3,***

1Research Scholar, 113/3, Dakshindari Road, Dinesh Apartment, Flat-A2/4, Sreebhumi, Kolkata-700 048

2Associate Professor, Electrical Engineering Department, Jadavpur University, Kolkata-700 032

3Professor, Academy of Technology, Adisaptagram, Hooghly (Formerly Faculty Member and Head, Jadavpur University)

*Corresponding Author Email: basak.raju@yahoo.com

**Corresponding Author Email: adas_ee_ju@yahoo.com

***Corresponding Author Email: ansanyal@yahoo.co.in

Online published on 2 December, 2015.

Abstract

The paper presents the procedure for finding out inductive compensation required for an EHV transmission line at its terminals. It also presents the design methodology for the power inductor. The 3-phase power inductor is similar in construction to a 3-phase core-type transformer with the exception that it has only one winding per phase and each limb is provided with an air-gap, the length of which is decided upon by the inductance required.

Shunt compensation at the load end of a long transmission line for maintaining the load voltage at a fixed percentage of the sending-end voltage. Long-line model is used to determine the critical power that the line can transmit with and without series compensation.

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Keywords

EHV long line, capacitive compensation, inductive compensation, cost-optimal design, selective gradient search.

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