Answer / zimba samuel

By using the neutral compensating transformer

Dear all, how we select the cable size according  to current with or without including different correction factor , is there any direct method for sizing of cable... 

0 Answers   Kharafi National,

---

What is Tan Delta Test

1 Answers   Power Grid,

---

dear sir, How i calculate the 2 phase welding transformer power or kva?? kindly tell me....

2 Answers   Gedco,

---

why we cannot protect 100% winding of an alternator by using differential protection?

0 Answers  

---

I have 4 DG set with 1500KVA rating. system breakers are 11KV & alternator are 415 Volts. i want to Know what is max. resistance for body earthing & 415 & 11KV V Neuteal earthing. my fault current is 14 times for 2 sec.

2 Answers  

---

Why can not you store AC power in battery like DC power?

1 Answers   NTPC,

---

in the directional overcurrent and earthfault protection,normally we are setting the angle 45 deg lead for phase fault overcurrent and -45 deg lead for earthfault fro forward direction.but both the fault are operating on the same angle region only.why?how the relay will response?

0 Answers  

---

what is the difference between current rating and breaking current of an MCCB? and for a known load how to calculate the current rating of a MCCB?

1 Answers   HPL,

---

(1)Electrical power is generated in KV, power consunmed is in MW and the transformers used are in KVA. How is KVA converted to MW as power being consumed by the consumers? (2)What is vector group of a transformer?

1 Answers  

---

How to select a contactor? How many types of contactors are available

0 Answers   TCS,

---

What is the use of conservater, bucchos relay, breather in a transformer?

8 Answers   Bosch, Wipro, Zadco,

---

what is the disadvantage of lagging power factor & why ?

2 Answers  

---