What is system earthing?what are the types?

1 Answers   ABB,

---

What are the main factors to be considered(In terms of energy conservation) while selecting a new air compressor?

1 Answers  

---

what is the difference between 'Control Transformer & Potential/Voltage Transformer'?

2 Answers  

---

what is the Space heater? why using in Electrical motor?

3 Answers  

---

As per the Anchor capstan motor specification, full load current is 200A. starting current is 1750 A and acceleration time is less than 8 seconds. Please guide for selection of cable size.

0 Answers  

---

---

what is mean by VCB colour code..???

1 Answers   Student,

---

What is harmonics in AC waves. How it is generated? How it will effect the system network? how can eliminate it?

2 Answers  

---

how to enter inverter parameter? without manaual?

0 Answers   Essar,

---

Why there is restriction to generated voltage to certain limit for example (now 18kv) ?

3 Answers   College School Exams Tests,

---

SIR, GIVE ME OPGW SAG CALCULATION FORMULA I AM DAE ELECTRICAL. THANKS

2 Answers  

---

defined power system?

3 Answers   Spanco,

---

what is the formula for backup time of online ups?

1 Answers  

---