A METHOD OF NEUTRALISING INDUCTIVE COUPLING EFFECT BETWEEN FAULTED AND HEALTHY PHASES SINGLE-POLE SWITCHED EHY LINES

Abstract

8tngle polo s4tthing is a Yery etfoc?e meted of increasing tt $ttt3i ty of the yetn On EiV Tats. ecton des mil e pole e4 tong to os The ocitve end inductive coupling s botr8u faulted phaseand rein4ning he t phases m4ntatn the fEAt are indefinitely hence the i 3.ated teAted phase ono t be 'o o sed w Zn thie thesis two pzo 1tems related to single pole stthing on V Transmission lie s have boon atCompted () A meted has been svr ge ed neutrali se the c a. Uve cxtltng betel aULted phases r1t iaith7 phase w da t .oet t re pole j4 tubing i s eiloyed to I late the ftt tod ,h r. s In case of c3oble line to trnd fault„ Thi5 jgested me1od to md.ned 4th rniothoz method already +ea eing for angle line to ground fi3.t d the new sue+ is plieablo to single polo cad selective polo switching tbr single line to zoiui4 fnttt and btthlo line to g ro tmc fault,. (.2) a M=a in h1tI inductive coupling been hGa1 by / d faulted phases, msintatn the fault aro i $ di .cussed.. A sinlo method has been suggested to noutrelise the in ccti re couplingfor single pole switching hen ale line to ground fault occurs*