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     EduGorilla 
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    A 20-pole, 2200 V, 50 Hz star-connected synchronous motor is rated at 3.5 kW. UPF has a stator resistance of 0.2  and synchronous reactance is 4 . Keeping the field excitation constant so that pf = 1 at located load, the additional resistance to be included in the stator circuit to limit the initial breaking current to rated current is

    Options :-

    1. 1.78
    2. 2.98
    3. 3.64
    4. 4.82
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Reply To: A 20-pole, 2200 V, 50 Hz star-connected synchronous motor is rated at 3.5 kW. UPF has a stator resis….
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