Owing to skin effect
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Electrical Engineering · all questionsTransmission And Distribution
Transmission And Distribution
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105
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The spacing between phase conductors of a 220 kV line is approximately equal to
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The skin effect of a conductor will reduce as the
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Which of the following is the demerit of a 'constant voltage transmission system'?
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Electromechanical voltage regulators are generally used in
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The presence of ozone due to corona is harmful because it
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The following system is not generally used
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A conductor, due to sag between two supports, takes the form of
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The cause of damage to the lead sheath of a cable is
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The operating voltage of super-tension cables is up to
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On which of the following factors skin effect depends?
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Which of the following characteristics should the line supports for transmission lines possess?
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A feeder, in a transmission system, feeds power to
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Transmission line insulators are made of
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Skin effect is proportional to
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The operating voltage of high voltage cables is up to
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If variable part of annual cost on account of interest and depreciation on the capital outlay is equal to the annual cost of electrical energy wasted in the conductors, the total annual cost will be minimum and the corresponding size of conductor will be most economical. This statement is known as
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Besides a method of trial and error, which of the following methods is employed for solution of network problems in interconnected system?
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Which of the following is the source of heat generation in the cables?
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Q100
Open questionWhich of the following faults is most likely to occur in cables?
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