GETCO Exam Paper (22-07-2015) HVDC transmission is preferred to EHV AC because VAR compensation is not required in it Its terminal equipment are inexpensive System stability can be improved Harmonic problem is avoided VAR compensation is not required in it Its terminal equipment are inexpensive System stability can be improved Harmonic problem is avoided ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The insulation strength of an EHV transmission line is mainly governed by Corona Load power factor Harmonics Switching over voltages Corona Load power factor Harmonics Switching over voltages ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Earth wire on EHV overhead transmission line is provided to protect the line against corona effect lightning surge switching surge excessive fault voltages corona effect lightning surge switching surge excessive fault voltages ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Shunt compensation in EHV line is resorted to Reduce the fault level Improve the stability Improve voltage profile Increase line impedance Reduce the fault level Improve the stability Improve voltage profile Increase line impedance ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Switching surges are power frequency voltage high votage DCs short duration transient voltage high voltage Acs power frequency voltage high votage DCs short duration transient voltage high voltage Acs ANSWER DOWNLOAD EXAMIANS APP