15 kva dg set single phase takes 63amp( approximate) while same rating 15kva three phase takes 35amp approximate. why ? and what will be per phase current for 15 kva

2 Answers   TVI,

---

Double Busbar Scheme for outdoor switch yard system (132kv) step up power plant Hi friends 1. in this system both busbars energized all the time. 2. what is the meaning of main BB and transfer BB, 3. step up transformer connect main bus bar all the time or both BB connected through DS switch . 4.bus sectionalization means ? thank you.

1 Answers   ABC, Gael,

---

Can you used moeller lzm1 mccb in a dc system with 125vdc and 20ka short circuit current , beside is it have 24 or 48 volt shunt ? Beside how long current can through from An MCB shunt contacts? (like Z7-AS 24 V)?

0 Answers  

---

state the disadvantages of carbon filament???

0 Answers  

---

what is meant by form factor and hoe related with the HT transmission voltage

2 Answers  

---

What is the difference between RCD & RCCB, Where it can be used

3 Answers  

---

what is mean by kneepoint voltage? when it will happen? ( my doubt is, if CT secondary is open means ct get saturation or blas? what are factors are required for calculations? plz give currect anws:

0 Answers  

---

how the phase convertor changes the no. of phases

0 Answers  

---

please mention the minimum IR value for different voltage systems

6 Answers  

---

up to what extwnt of voltage the celing fan works?

3 Answers   ICSA,

---

What is electrical charger?

3 Answers   HCL,

---

why protection and metering CT's are always connected in star why not in delta?

5 Answers   Reliance,

---