EXAMIANS
A three phase four pole 50 Hz induction motor has a rotor resistance of 0.02 Ω/phase and stand-still reactance of 0.5 Ω/phase. Calculate the speed at which the maximum torque is developed.
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The most commonly used method for the protection of three phase feeder is
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Two-wattmeter method is used to measure the power taken by a 3-phase induction motor on no load. The wattmeter readings are 400 W and -50 W. Calculate the reactive power taken by the load
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What is the full form of the acronym 'SWIFT', in financial institution?
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Consider the following statements associated with Buchholz’s relays.<br/>Statement 1: Buchholz's relay is used for protection of a transformer against incipient faults.<br/>Statement 2: Buchholz's relay can be installed on oil cooled transformers.
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If a cable of homogeneous insulation has maximum stress of 6 kV/mm, then the dielectric strength of insulation should be ____
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In a 3-phase, 4-wire, 400/230 V system, a lamp (L₁) of 100 W is connected to one phase and neutral and a lamp (L₂) of 150 W is connected to the second pahse and neutral. If the neutral wire is disconnected accidently, what will be the voltage across a 150 W lamp (L₂)?
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A star connected synchronous generator rated at 500 MVA, 50 kV has a reactance of 0.5 pu. Find the ohmic value of the reactance.
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સારું:નરસું::શુક્લ: ?
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In transformer testing, Sweep Frequency Response Analysis (SFRA) testing is a tool to help locate ____
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