what is surge arresters ?........

7 Answers  

---

Why do we require transformer with less specific weight if supply frequency is increased?

0 Answers  

---

Which type of air compressor is used now a days in the market. Keeping in mind of energy efficiency and maintenance points. Relevant documents may also be sent on mentioned email ids.

0 Answers   DAE,

---

What is the drawback of static coefficients?

0 Answers  

---

difference b/w semiconductor and dielectric

2 Answers  

---

---

1) What is difference b/w impedence relay and differential relay? 2) what are substations equipments? 3) what is difference b/w circuit breaker and isolator? 4)what are the types of circuit breakers? 5) which medium is mostlty used in circuit breakers and why it is used?

1 Answers   NTDC,

---

why 30kva ups buzzing(hamming) sound?

2 Answers   Madhya Pradesh Electricity Board MPEB,

---

What are test signals and their significance?

0 Answers  

---

y we use neutral,all r told its used to for closed path..k its a just used to closed path,in a transmission line y we put same conductor used n both phase and neutral..if we use less than phase conductor in neutral mean we ll reduce cost its right r wrong..if we use mean any problem occur in transmission line..

0 Answers   ME,

---

what is max. continous current of LT side of distribtion transformers? ie for25kVA, 63kVA, 100kVA, 200kVA etc

2 Answers  

---

how we done power management?

1 Answers  

---

which %age of corona losses increses if frequency is increased to 25%.

3 Answers   ADCET, Maihar Cement,

---