what is the differance beetwen installation and errection ?

1 Answers  

---

if we appling capacitor at above rated what are looses and what will be happen

4 Answers   Radiant, Real Estate,

---

What principle and operation of frency drive

2 Answers  

---

I have 2 transformers in two different plants, both are without OLTC but i am facing problem of voltage fluctuation at LV side from only one transformer. i have to change its taps manually twice in a day. Another transformer delivering voltage is ok. Please guide me about the problem

1 Answers  

---

Hai I have 2500KVA,Transformer,13.8KV/380.DELTA/STAR.How much load that I can take interms of current?How can I calculate also when I have loads in KW?

10 Answers   L&T,

---

how calculate the electrical load for industry and office

2 Answers  

---

If we have 630kva step down transformer to operation 3 phase motor 150 kva which size of cable is used? at circuit breaker to 3 phase motor or to electrical board

1 Answers  

---

i want to know is it possible to generate usefull power by coupling generator with motor & supply gives to motor by battery source then generator generates power. remove the battery source given to the motor & feed the supply from some of the generated power supply to the motor & motor runs continously. generator generate power contnously.is it possible ?

5 Answers   UltraTech,

---

what is use of capacitor in fan

8 Answers   ABB,

---

what is the difference between analog and digital signal?

3 Answers  

---

can we use existing delta star with neutral grounded,step down(6.6kV/415V), 3 phase power transformer bi-directionally.

3 Answers   GMR,

---

how many types of dc batteries standards are present?

2 Answers  

---