Answer / vishnu vardhan reddy

Star delta starter used for air compressor, feeder side check all connections tight the loose connections check fuses,check contactors blades cleaning,check olr ,blowering feeder,motor side TB checking, Megger the motor, blower the air filter,check the junction box

Difference between shunt, PMG and AREP excitation. Which is the most reliable between PMG and AREP.

0 Answers   ABB,

---

kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased

0 Answers  

---

What is the function of the circuit breaker failure relay?

0 Answers  

---

Which are the types of breakers used in High Tension (HT) side?

1 Answers  

---

What is the difference between harmored cabled and unharmored cables

1 Answers  

---

How to obtain B license from TNEB license board. What is eligibility?

11 Answers   Core, Reliance,

---

in thermal power plants by opening the turbine governor valve increase the generator load. how

3 Answers  

---

give single line diagram of D.G distribution form alternator to main L.T panel?

0 Answers  

---

Why are you like to join it job as a electrical engineering student?

4 Answers   Bhushan Power Steel,

---

What is difference between Over Current & Earth Fault protection?

0 Answers   ABC,

---

Why the unit sizes of hydro generating machines are not standardized as in case of thermal powerplants?

0 Answers  

---

can you any one give exact mathematical relation between AC current and DC current?

0 Answers  

---