In constant power region of 3-phase IM torque-speed
characteristics, if frequency increases slip
A does not alter B decreases
C increases D none of above
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write encoder 17 pins details? pin a;b+, pin b;w+,..pin s & t. what is the meaning of b+, w+? explain;
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0 Answers Radha Regent Hotels,
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load increase means 1 resistance increase 2 load resistance decrease 3 current increases through load 4 none of these
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0 Answers TNPSC Tamil Nadu Public Service Commission,
Dear all,recently in our plant we installed a conveyor for this the motor ratings are 5 hp and Amps 7.39.Due to on urgent starting of conveyor we fix the DOL starter with range of 9-15 amps.give me suggestion regarding on this issue
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two TG running in parallel at equal load.one TG CB tripped in reverse power relay.after tripping found its excitation was on & turbine running at rated speed.Please clearify why that TG tripped in reverse power ?