Answer Posted / ketan kumar

Colled rolled grain oriented(CRGO) steel

What are the types of instrument transformer?

1173

---

Hi,I am working in abroad for more than 3 years in a company operating with 11kv and 6.4 MW power. I need c licence in India,can I? some other says only i can get if i work for 2 years in india only! anybody kindly clarify by doubt.Thanks

1855

---

What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?

1969

---

what are the precuation should be taken ahen installing power transformer,circuit breaker,current & potential transformer

2110

---

i applied for c licence with my one year apperents trainee and i have attaced with A grade contractor company experiance that is for 14 monts experiance this document is sufeicant for c licence? pls tell why they rejected

2268

---

what is the need to express current and voltage in rms value? rms value is also called as effective value,what is effective value?

1969

---

what will happen when the dc supply is given to the capacitor?

1532

---

Why we used 690V in ACS 800 drives.Why dont use standard voltage like 415v or 1.1Kv

2457

---

why booster transformer is used in sumpners test conducted on transformer????

3582

---

State magnitude criterion.

1118

---

why we use circuit breakers for switching instead of normal switching device?

1877

---

what is a pulse transformer? how rise time of pulse changes when ever the voltage changes?

1958

---

how to calculate regulation constants for over head lines? and what are the regulation constant for raccoon conductor at different voltage level and different P.F?

1975

---

Did RMU have ct and pt ?

1360

---

What is the diffrence (Technical & Construction ) between CBCT & Normal CT?

2032

---