how to use single phase supply for a three phase equipement.

12 Answers  

---

Why converter duty transformer neutrals are not earthed...i am still not sure if this question is also correct...Please email at ranjan120482@gmail.com

0 Answers  

---

why most of junction box vendors providing T5/T6 Temp class jb's for T3 area any special reason?

0 Answers  

---

why we still use sinusoidal waveforms for transmission and utilisation (we know generation is sinusoidal), instead of other ac waveforms such as triangle, sawtooth, square etc.,? is there any mathematical derivations to prove sinusoidal is efficient than others?

1 Answers  

---

what is bus duct and what is differance between bus duct and bus bar

6 Answers  

---

---

Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault

0 Answers   MPSEB,

---

why it is necessary to maintain frequency constant in a power grid ?

1 Answers   NTPC,

---

WHAT IS IM (INDEX OF MOUNTING )IN MOTORS

0 Answers   L&T,

---

Is necessary Protection CT, CLASS - 5P10 fitted at Incomer side of main Breaker ? Why ?

1 Answers  

---

Is itnecessary to use capacitor in an Fluorescent Tube Light Fixtures? Why? What if not capacitors are not included?

2 Answers  

---

how can decide the current rating of oltc

0 Answers  

---

I Have 100Ah battery with 650VA Inverter, i WANT TO TAKE a Solar panel to charge my battery, so please suggest me,what rating of solar panel(with solar charge controller) can buy for a load of 450w for 4 hours

1 Answers   Chevron,

---