Answer / amar

due to star connection
voltage become 0.577
time of original voltage
cause small s.c. Curent
which help in starting.

Answer / isaac achina

Due to star connection to get a neutral for any single phase machine to use

Answer / shyam chopade

due to star connection we can insert easily external
resistance in the rotor winding for more starting torque.

Answer / tarlochan singh

becouse in star connection line voltage =phase

In electrostatic precipitator why positive terminal of tranformer rectifier unit is grounded?

2 Answers  

---

1. Synchronization is not required A. Thermal B.Hydel C.Wind D.Nuclear

2 Answers   APGenco, Birla Power,

---

How does a 3 phase induction motor is started?

3 Answers   IOCL,

---

What is the difference of grounding and earthing?

6 Answers  

---

The windings of a transformer are divided into several coils, because?

0 Answers  

---

Please send 110 kv sb station full single line drawing(sld)

0 Answers  

---

At no load the PF of an alternator -Zero -Zero Lagging -Zero leading -None of the above

2 Answers  

---

While testing the 33KV Busbar by using Hipot kit, what should be the test voltage we have to apply

2 Answers  

---

What do you understand by avr?

0 Answers  

---

How can I model an open-delta ground transformer for a network supplied by 4 unit GTG and power transformer in ETAP?

0 Answers  

---

If the rotor pf of a 3 phase induction motor is .866, then what is the phase displacement between stator and rotor magnetic field 1)30,2)120,3)150,4)90 please justify....

2 Answers   GATE,

---

in india single phase is 230v and three phase is 440v but in other countries single phase is 110v and three phase is 380v why..?

2 Answers  

---