give single line diagram of D.O.L and star -Delta starter ?
Answers were Sorted based on User's Feedback
Answer / rajesh.p
Dol starter means direct on line starter and its capacity
is below 5hp
Is This Answer Correct ? | 142 Yes | 19 No |
Answer / mafat
IT IS POSSIBLE TO DOL STARTER WILL BE CONVERTED TO
MICROPROSSER TYPE STARTER
Is This Answer Correct ? | 70 Yes | 18 No |
Answer / j.senthil kumar
D.O.L Starter:
Motor connected either via Contactor or directly from the
Three/Single Phase Lines.
Star delta Starter:
We require three contators for make the Star-delta
combination, The contactor looping are attached herewith
for your reference.
Is This Answer Correct ? | 37 Yes | 4 No |
Answer / hardik prajapati
1)Up To 7.5 HP - DOL Starter
industrial application one contactor are used
2)Up To 7.5 To 20 HP star Delta
Star Delta starter three Contactor Are used
and one Star/Delta Timer are Used
-- MCCB
-- Three Contactor
-- over Load Relay
-- Timer
-- SPP (Single Phase Priventer)
-- Control Fuse
Is This Answer Correct ? | 3 Yes | 0 No |
How will calculate losses in an multi core Aluminium LT cable of different sizes & upto what length we can use a LT Cable ?
Define heating time constant of electric motor.
please I wont know how to calculate the vector group for power transformer ZNyn11 best regard.
Dear sir/mam Iwant complete details of Naintenence of 33kv/433v Transformer having 1250 KVa
is there any role of power factor with frequency variation? and how we can manage the frequency variation?
I had applied for JE in PSEB, Can you pls send me the Question bank for related to my field
what is ASCR cable and where we use it?
No load test of induction motor is carried out to compute= A stator resistance B rotor resistance C magnetizing reactance D rotor reactance
can transformer work on dc or not?if we increase the inductance of transformer can it happen to work on dc?
STATE WORKING OF SF6 C.B.?
Leading power factor means what? what is the power factor value while in power factor is leading? is power factor greater than one? In some cases i heard pf 0.8 leading then what about 0.8 lagging?
1 Answers Rockfort Engineering,
What is the use of conservater, bucchos relay, breather in a transformer?
8 Answers Bosch, Wipro, Zadco,