Answer / manish

Direct On Line( DOL) starter takeS Full load current
Ist=Ifl But STAR/DELTA starter which during starting of
motor , connected terminals with STAR which limits Ist
=Ifl/1.732*Ifl. Thus starting current can keep with in
limit.

Answer / erharisheee51

DOL TAKES FULL LOAD CURRENT WHERE AS STAR DELTA STARTER LIMITS THE STARTING CURRENT BY FIRST STARTS AT STAR THEN CONVERT IN TO DELTA , WHER EIN STAR IT LIMITS BY I/1.732, IN THE PLACE OF STAR DELTS STARTER WE SHOULD NOT USE DOL- DIRECT ON LINE STARTER , WHICH IMMEDIETLY STARTS AT FULL SPEED.

Answer / sivananda samantara

dol strater used in small amount of load sector,stardelta
strater used in big amount of load.stardelta used for
control first pick load then convert to normal by timer
setting.

What are the safeties in elevators?what is the use of governor in elevator?

3 Answers   JLL,

---

why i can not use thimble on capacitor duty contactor

0 Answers  

---

In Designing the rating & accessories of a MCCB how to choose the type of releases..means what is the basis for selecting, thermal magnetic, electromagnetic & microprocessr based releases

0 Answers  

---

How does a battary stores charge in it? please explain in simple manner and in detail.thanks

0 Answers  

---

how to produsing geretor power

0 Answers  

---

---

why we earth only one side of a power cable. And which side is advisable to earth.

1 Answers  

---

anti pumping relay function

3 Answers   Hofincons,

---

what is the principle of operation of tungstun bulb ??

2 Answers   IOCL,

---

Explain why the Voltage drop will happen in 3 Phase line?

3 Answers  

---

what is the working principle of induction motor

2 Answers  

---

What is the Basic Difference bitween Long Shunt Connection and Short Shunt Connection in DC Generator?

0 Answers  

---

WHAT IS THE REASON FOR THE GROUND PIN IS BIGGER IN SIZE COMPARING TO OTHER PINS?

13 Answers  

---