How to know vacuum in vacuum cylinder of breaker in working condition

0 Answers  

---

Why neutral shows voltage with earth ?

2 Answers   MRF,

---

best manufacturer for busbar for outdoor switchyard having double bus bar scheme, can any one share technical specification of busbar. 132kv voltage ?

0 Answers  

---

Direction of flow of active power and reactive power with logic?

0 Answers  

---

At which time Synchronous generator act as a Synchronous Condenser?

1 Answers  

---

---

How to calcualte the total number of cells required for particular UPS of some X KVA with 3 and 5 hours back-up?

1 Answers   JLL,

---

How to covert the ac to dc and how to control the dc output?

3 Answers   ABB,

---

if earthing is not connected to computers any problem ?

2 Answers   HP,

---

What is the concept of voltage & current its relation?

5 Answers  

---

in conclusion why we select you?

1 Answers  

---

What is the difference between Relay and Contactor

35 Answers   Siemens,

---

what will happen ac motor give to dc supply

9 Answers   Areva, College School Exams Tests,

---