GETCO Exam Paper (22-07-2015) Select the wrong statement from the following in relation to power flow analysis Y Bus is required for power flow analysis Approximation is used in FDLF method No of ittretion in N R method can not be more than 30 for any system jacobian is always required Y Bus is required for power flow analysis Approximation is used in FDLF method No of ittretion in N R method can not be more than 30 for any system jacobian is always required ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The steady state stability of the power systems is most effected by power factor of the load transmission line reactance stability of generator voltage at generator bus power factor of the load transmission line reactance stability of generator voltage at generator bus ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Switching surges are power frequency voltage high voltage Acs high votage DCs short duration transient voltage power frequency voltage high voltage Acs high votage DCs short duration transient voltage ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Normally the angle of the transmission line is kept _____ because of _____ reasons 45, transient stability 90, steady state stability 90, transient stability 45, steady state stability 45, transient stability 90, steady state stability 90, transient stability 45, steady state stability ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Current chopping phenomenon is related to resistance switching capacitance switching asymmetrical current small inductive current resistance switching capacitance switching asymmetrical current small inductive current ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Stray loss is equal to _____ frictional loss & copper loss copper loss and iron loss mechanical loss & iron loss field copper loss & iron loss frictional loss & copper loss copper loss and iron loss mechanical loss & iron loss field copper loss & iron loss ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Answer in official key is “mechanical loss & iron loss ”.Many times stray loss is also considered as total loss actually accured minus calculatable loss. This means loss that can be calculated is known as stray loss.
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