Answer / shri..

First we synchronize voltage, frequency, load capacity of
both ups, then we can terminate ups out put R to R , Y to
Y & B to B.

i think so

How can I calculate the fault level of a transformer. 1. If fault is 3phase fault 2. If fault is 1phase fault 3. If fault is 2phase fault Dear all geniouses, can you help me by giving answer. If anybody want to send something then mail me at "msalam_shahin@yahoo.com"

0 Answers  

---

why transformer rating in always in KVA ?

4 Answers   Horizon Computers,

---

What is the PIU.

1 Answers   Jindal,

---

why battery room in substation is black coloured?

4 Answers  

---

What are the factors to be considered during the Synchronization?

3 Answers  

---

How to differentiate 220 Kv & 132 Kv line transmission tower if there are no specifications given on towers?

3 Answers   Karam, Power Grid,

---

63MVA,220KV/6.9KV Transformer LV side neutral is connected to Earth pit through NGR. Whether this earth pit required to connect with near by below grouding earth mat or it is to be kept separate?

0 Answers   GSECL, L&T,

---

Would you recommend to replace all oil filled cables with xlpe cable for hv transmission with the current technolgy for xlpe cable?

0 Answers  

---

what is cable meggering formula for low voltage ?

0 Answers  

---

Why two nos. un-tensioned wires are placed inside the PSC poles used by powergrid in RGGVY works.

2 Answers   Bhel, Power Grid,

---

What is the difference between phase current & line current, how both can be measured in star and delta system

9 Answers   Doshion, MIT,

---

how we do Vector group ,magnetic balance and tap changer test in Transformer?

0 Answers   Afcons, BSL, HPL,

---