What is the d/f between DOL & star delta starter & automatic
star delta starter?
- 23 Answers
- 157946 Views
- ACC, Dalkia, Engineering, Indeco, NINL, Novotel, RMH Control Systems, Wipro, I also Faced
- E-Mail Answers
Answer Posted / electo man
To the point, when motor starts using DOL it takes 6 times
its rated current to just start. while in Star-Delta
starter its starting current reduces to one by root three.
| Is This Answer Correct ? | 47 Yes | 18 No |
Post New Answer View All Answers
substation+ plc system
Why water bubbles when D.C. Current is passed through it? Why not when A.C. Current is passed?
What is the size of a 60 watt and 80 watt tubelight?
are there rmu for 3 transformer?
Is it possible to operate a synchronous 2-poles turbogenerator with a still-in-place faulted bar but electrically disconnected ???? If yes, should I act on the other phases as well ???
what is the function of impulse relay
Sir, My doubt on cable sizing calculation, Load:74 KW calculated cable 1 run 50mm2. Now client asking us to reduce cable size by increasing runs. Sir, My question now when my mind strikes with 2 options 1) Divide load 74/2 = 36 and calculate cable for 36+36 making it 2 runs or 2) Simply i can divide 50mm2 /2 ie. 2 runs of 25mm2 Please suggest me sir
Which type of DG need Netral Earthing?
What is the purpose of using busbar mounting fuse?
How does a television work?
what is interpose? where it is used and why it is used?
IN 1000kva transformer where the oil and winding temperature sensors is connected
How do i perform grounding of star point of Genset (400V) for making connection with step up transformer of DELTA-DELTA (400V to 20KV) ? while Genset itself has its own neutral and grounding bus bar inside genset breaker box whereas we have another neutral and grounding busbar in synchronizing panel next to genset at maximum distance of 6meter, would someone pls advice if we can only perform neutral grounding in synchronizing panel or should we ground neutral on both places inside genset breaker box and synchronizing panel.
iam preparing for rrb section engineer post in electrical branch.suggest the right textbook for my reference.fromwhere i will get the previous q.papers?
DESCRIBEPNEUMATIC SYSTM OF ASH HANDLING PLANT
