Answer Posted / monika hassan.

Because in single phase P =V*I and in 3 Phase P=√3*V*I.
current depends on voltage.

What are the no-load losses for the 11000/415V transformer with the following rated capacity? 1.1500 kVA 2. 2000 kVA 3. 2500 kVA 4. 3000 kVA

1740

---

Whether power factor should be high or low? Why?

1100

---

Distribution transformer we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral,we can not connect separate body earthing pit to other earthing pit but we do metal glanding in secondary side cable termination in both side, transformer and PCC panel (LT Panel), is this safe for transformer and other equipment?

1700

---

1hp= how much rpm

2060

---

How to Decide the Location of Earth pit for Compressor in Oil Depo? and How to measure the resistance of earth pit Pls explain me with the help of Circuit Diagram?

2488

---

Can anyone please give me the parameters , formula needed to calculate the circuit breakers for building services.Thanks

2116

---

What is real time power factor control panel(RTPFC)?

4290

---

What is the role of power pack in substation protection system?

2670

---

What is the fault or needs to be done when frequency in ac drives is not changing?

1633

---

if you are in a software company,then why do you want to come in a core company like sail, ntpc(where lots of trouble like tension but you have a good life in a it company) ?

1888

---

I need a formula to calculate the size of cable as per load but in the terms of length. Please Reply me as i search lot of sites but i did not get the answer.

2048

---

H.t motor 6600 volt to same motor lt supply 440volt supply applyed to h.t motor to effect....

1873

---

How to Calculate KA Rating of Main LT Panel

1724

---

Why CBCT rating is 50/1A

2831

---

what is integrated ac contact circuit

2054

---