Answer Posted / shakthi
Synchronous motor is constant speed motor.In DC motor speed can be changed by adjusting field excitation.
Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
What do you mean by transformation ratio of instrument transformer?
A motor running with lenze frequiency inverter stops if I REDUCE SPEED with 25% load.If I run it in High speed and medium speed running smoothly with full load.please help me to solve it.
what about electrical pannel.? What is meant by plc pannel.?
At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?
What is the ideal position cooling fan inside the dc motor?
I have motor 1500 HP and , 4160 V , 60 HZ , then i need the rating of transformer which can feed that motor ??
what are the maximum available current, voltage ratings and switching speeds of the power electronic devices thyristor, power mosfet, igbt, and mct?
what r PID controllers?why they r used?what is there purpose?plz Explain in detail
what is d check in dg 1500kva
The shot circuit in any winding of transformer result? Explain
11kv/433v delta/star distribution transformer primary side full load Ht current is 83.33A in , but input side VCB rating 800A.why?
What is a parabolic signal?
Why PT voltages are measured with respect to ground? What do u mean by voltage or current polarized.
What is tranformer differtial?
We normally make oil soak pits under Transformers. Oil from soak pit goes to collection pit. We provide granules/pebbles under transformers. My question is weather granules/ pebbles to be filled in soak pit or not? if yes upto what level?