Answer / rajkumar

Exitation is an external voltage applying to motor by dc
shunt motor.

Answer / khader shah

Exitation is applying an external voltage to DC shunt coil
in DC motors

what is the procedure for three phase motor differential relay testing can it do with single phase test kit?

1 Answers   ABB,

---

if we keep frequency constant can we cal a synchronous generator as a dc generator

2 Answers   Cummins,

---

WHY MOSTLY Rph IS USED FOR CONTROL CIRCUITS AUX. SUPPLY ?

0 Answers   UltraTech,

---

what time should we set to come on star contacter in stardelta starter?and for what reason we hav to set such time delay range?

2 Answers  

---

which type of harmonics minimum produce in 12 pulse rectiformer transformer? a)3rd b)5th c)7th d)11th

4 Answers   Power Grid, Powerica,

---

why are installed water leakage detection system data centers & server rooms

0 Answers   Reliance,

---

What should be the values of settling time, peak time, steady state error, overshoot, rise time, MPOS (Maximum percent over shoot) to keep the system in transient state, to keep the system in steady state ?

0 Answers  

---

Is it possible to connect a dYN1 transformer in parallel with a YNd11 transformer.

4 Answers  

---

What is the function of Governor in Hydro Power Station? What is the Function of Lightning Arrestor Voltage Transformer (LAVT)?

0 Answers  

---

In separetly excited m/c,we excite the field by a dc source,what not with ac source?

2 Answers  

---

what will happen if we will not use commutater means if we will give dc to the windings in dc motor

1 Answers  

---

according to faraday's law whether the induced emf is average or rms value?

2 Answers   Power Grid,

---