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GATE 2025 Electrical Machines Foundation Quiz 36
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Question 1
In a synchronous generator operating at zero pf lag, the effect of armature reaction is
Question 2Multiple Correct Options
A turbo generator, connected to an infinite bus is operating at 0.8 power factor lag. If its excitation is increased, with steam input kept constant then it would-
Question 3
What is the load angle in the alternator?
Question 4
If effect of armature reaction is purely magnetizing, then type of load on synchronous generator may be
Question 5
An alternator of 300 kW is driven by a prime moverhaving speed regulation 4% and another alternator of 500 kW is drivenby a prime mover having speed regulation 6%. Governor setting of the prime mover is such that their no- load speed will remain same. The total load can be taken by the two alternators in parallelwithout overloading any one of the two is_____ kW.
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Jan 30ESE & GATE EE