Why Power factor is different - different in all three phase of a 3 phase nduction motor.

2 Answers  

---

On what basis primary and secondary of a transformer is chosen?

2 Answers  

---

I want to put this query to SENIOR & EXPERIENCED ELECTRICAL ENGINEERS. 1)I want to know about the control circuit diagrams for control panels. I found it difficult to understand. Is there ant booklet through which we can learn the circuit diagrams? 2)I want to learn about conduiting, laying cables, preparing cable schedules and various techniques which is the part of building infrastucture(construction field). I don't have any experience in this area. I have experience in control panels only. that's why i am not getting any opening in building infrastucture (construction field).Can I get the job in this field as Trainee Engineer? How to enter this field? I need job in PUNE

0 Answers  

---

kVA rating of ordinary transformer is increased when connected as an auto transformer because A transformation ratio increased B secondary voltage increased C energy is transferred both inductively and conductively D secondary current increased

0 Answers  

---

i have one transformer 1000kva, 11/.433kv. we are using 200/5 amp. ct unit for measuring purpose, & one 800 amp. V.C.B Unit for the same t/f operate, i wants to known the primary current of T/F is only 53 amp. why we used 800 amp. V.C.B ? & 200/5 amp. CT Unit.

4 Answers  

---

 where the Motorized mccb to be used? In Motor control center panel starters ,it is use full. please answer  

1 Answers   Voltas,

---

what is the difference between MCCB and SFU in terms of their application?

2 Answers   Secure Meters, Tata Teleservices,

---

UG cable sizes were specified in sqmm. But practically its not coming to mesure. What's the reason for that? And how they specify the size of the cable?

0 Answers  

---

Dear All, I am new in construction company , my boss ask a question at time of interview , If we have 60MW generation and Single Power Transformer step-up we have. if CMR 50/60MVA , ONAN, ONAF respectively , is it sufficient or not ? for that much power to transfer,

0 Answers  

---

how we select the mva rating of the circuit breakers?

1 Answers  

---

Transformer how to maintaince a check b check c check d check

0 Answers   DIC India,

---

in my observation NCT is used at Karnataka power transmission. why we are not used in andhra pradesh

1 Answers  

---