how to calculate the battery AH

0 Answers   Turbo,

---

how many test is necessary for 27mva transformer.

3 Answers   HEG,

---

why do we need transformers?

12 Answers  

---

A group of machines (wind turbines) connected with 33KV feeder and each machines are having individual VCB. The 33KV feeder connected with 110KV/33KV substation. The 33KV feeder tripped by over current at Substation and fault recorded at Substation as OC-R&Y phase. Same time the group of machines VCB tripped by over voltage, the fault recorded voltage was above 66KV by numerical Under/Over voltage relay. While grid drop time, this much of voltage hike is possible?

1 Answers  

---

What is the polarization index value ? (Pi value)and simple definition of polarization index ?

0 Answers  

---

what happens if a carbon brush is touching the top end of the commutator

2 Answers  

---

what is transient voltage?

0 Answers  

---

What is the Different Between Breaker and One and half breaker.

2 Answers  

---

Why electricity is generated and transmitted at the values of multiples of 11?

3 Answers  

---

Why the transformer rating is denoted in VA rating why not in KW

7 Answers  

---

Why the CT Secondary is rated as 5A generally?

2 Answers  

---

What is mason's gain formula?

0 Answers  

---