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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.


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.



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


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