Answer / narottam behera,

According the load of equipments and what is the possible current will flow in shorts circuits condition and lighting arrestor .and what material uses what is the conductivity...then we can choice the size of earth bus bars .

what is MAR

1 Answers   NCC,

---

why do we generate only 3ph ac?is it possible to generate 4ph,5ph,....?

6 Answers   Accenture, Bhel, Reliance,

---

40 HP motor how many square mm size wire use for stator to motor & aluminium wire use ?

1 Answers   SSPL,

---

how to compare with Relay settings for HT&LT panels, RMU panel, and PSS CSS transformer?? 1) Load amps, 2)Tripping time, 3) CT ratio, 4)Cable size 5) Transformer KVA rating 6) transformer full load amps

0 Answers  

---

why VCB always installed only at HT yards or HT side? suppose if ACB installed at there means, what will be problem?

1 Answers  

---

ii) A shunt motor supplied at 230V, runs at 900 rpm when the current is 30A. The resistance of the armature is 0.4 ohms. Calculate the resistance required in series with the armature to reduce the speed to 600 rpm, assuming that the armature current is then 20A. [12]

0 Answers  

---

how much kn lightning arrestor is used in 11kv line

8 Answers   Power Grid,

---

why we use delta connection in transformer

2 Answers   UPPCL,

---

current transformer balance the power level on both sides. e.g in case of step up, at secondary side voltage rise but current decrease and vice versa in case of step down transformer. but how this power level remains same in case of current transformer and voltage transformer

0 Answers  

---

what is the fuction of electrical transducer in control pannel?

6 Answers  

---

why the emf of a cell more than the terminal voltage when the cell is delivering current?

4 Answers  

---

What Is the Difference Between Lightening Spike and Lightening Arrester?

1 Answers  

---