Answer / sudhakar g

OIL CIRCUIT Breakers are mainly used on the HT side like in Substations and the advantages of OCB is when ever arcing happens the Oil produces the hydrogen and it helps to reduce the Arcing, The disadvantage of the OCB mainly are there are not Eco friendly when the time of arcing, Oil in the Breaker decomposes and produce the carbon particles it pollute the air and if any defective OCB is installed means chances of Explosion chances are ther....In your case the 800A 22KV TP OCB means 22KV line used mainly in maharastra state 22/415V but in there also the Breaker used in HT panel also the rating is very low. Generally on HT side the HT panel breakers contain 2000A, 3200A like that but 800A is difficult to install on 22KV HT side....

How to decrease or increase the range of voltmeter? can an ammeter be used to measure voltage? can a wattmeter used as voltmeter and ammeter?

3 Answers  

---

Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar

0 Answers   TCCL,

---

What is the need of black rock stones under the transformer yard?

5 Answers   TNEB Tamil Nadu Electricity Board,

---

what are the major & minor faults that occur in an inverter and in UPS ? And how to repair and resolve them ?

0 Answers  

---

when elecromagnatic waves are propogated in a wave guide?

0 Answers  

---

hi!!! i have a question that how the thermal test in winding temprature test is taken can anyone explain me in detail??? i will b very thankful!!!!

1 Answers  

---

why 30kva ups buzzing(hamming) sound?

2 Answers   Madhya Pradesh Electricity Board MPEB,

---

What is cable tray, its type, and its support?

0 Answers  

---

why is the HT voltages are in multiples of 11KV

1 Answers   Clariant,

---

what happens when series resonance occurs?

0 Answers  

---

what is the diffference between 3 point and 4 point starter ?

3 Answers  

---

1.WHAT IS A SMART CAPABLE DB ( DISTRIBUTION BOX) ? 2. HOW TO DECIDE THE TYPE OF DB TO BE USED ( RECESSED/ PLUG TYPE/ SMART ETC ETC? 3. WHAT IS MILLENEUM BUS BAR USED IN DB? 4.DIFFERENTIATE MCCB AND MCB.

0 Answers  

---