Answer / dinesh nagar

We can't open the secondary of ct because if secondary winding is kept open,then there will no opposing flux in core of ct and ct get saturate.

Pls tell me whether we can use EN3A material for shafts of Permanent magnet alternator.What will be the effect of magnetic and nonmagnetic material for shafts on magnetic properties of PM rotor .

1 Answers  

---

explanation of mesh bus bars

1 Answers   Eskom,

---

IS RTCC AND OLTC REQUIRED FOR 500 KVA 11KV/433V TRANSFORMER FOR AN INDUSTRY?

7 Answers   IGCAR, TNEB Tamil Nadu Electricity Board,

---

How to calculate percentage impedance of a power transformer.

1 Answers  

---

How to check the specific gravity of the two 12 V batteries connected in series to a 24 V UPS and inverter ? will we have to disconnect all the connections and turn off the UPS and inverter or not ? will we have to check specific gravities in each cell of the two batteries ? what is the name of the instrument that is used to check the specific gravity and whats the procedure to check the specific gravity with it ? thanks

2 Answers  

---

Why transformer ratings in KVA not in KW?

6 Answers   ABB,

---

why reactive power produce in generator? why inductive load absorbe reactive power?

2 Answers  

---

How do I calculate/select Droop CT ratio for various capacity of generators?

1 Answers  

---

low voltage grounding is done by?? 1)solidly gnd 2)ressistance 3)reactance

1 Answers  

---

i want to measure voltage difference between neutral and earth so i just simply use voltmeter. my question is that may i use this measure continuosly.or there are some electricity board restrication on that? or it creat some problem on my measuring device..?

2 Answers   NEEC,

---

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

13 Answers  

---

what is the function of closing coil in air circuit breaker?

0 Answers   Fresher,

---