Answer Posted / pradeep bhadouria
safety measure of alternator are
a) over current relay
b) over voltage and under voltage
c) reverse power relay
d) low frequency
Is This Answer Correct ? | 11 Yes | 0 No |
Post New Answer View All Answers
Why frame of the motor is specified?. If we mention KW and voltage level,automatically frame is decided or separately frame is compulsory to mention?.
How to select a contactor? How many types of contactors are available
wish of these transformer uses oil?
A 400 V, 50 Hz, Δ connected synchronous generator has a field reactance of 0.1 Ω and armature resistance of 0.015 Ω. At full load, the machine supplies 1200 A at 0.8 pf lagging. Under full-load conditions, the friction and windage losses are 40 KW and the core losses are 30 KW. What is the machine’s overall efficiency? Ignore any field circuit losses.
What happened if C.T mount at any cable or Bus bar in wrong direction . C.T going on proper work or not . C,T direction is essential thing to properly work.
What is load boxes ?
Witch do depand of Power factor and theory of power factor?
What is the meaning of Insulation H for transformers????
power transmission pole used one support , that only for support or earthing
Discribe type of fault in DOL and stardelta startor.
What is the difference between multimeter
How many turns are there in primary winding? (In Transformer)
Why we used 690V in ACS 800 drives.Why dont use standard voltage like 415v or 1.1Kv
Why do you have to use Protecion relay with the function MTB ( Mechanical Trip Button ) for electrical system.
What kind of socket shall be provided for window type air conditioner with cooling capacity upto 18000 BTU/hr