State and define norton’s theorem?

0 Answers  

---

How Grading Rings & spacers in transmission lines works?working principle?

1 Answers  

---

How to calculate earth flat size for 250 Kva DG and transformer?

8 Answers   Deepak Fertilisers,

---

why PT transformer primary r the grounded?

2 Answers   L&T,

---

what is the role and fuction of automatic transfer switch in rotary ups

0 Answers   Dynaspede,

---

we have 400kv/6.6kv transformer ,it has total 9 taps on HV side with normal tap on tap no 5.when we took the ratio test we observed that ratio was decreasing from tap 1 to tap 5 and was found increasing from tap 5 to tap 9.What is the reason?if anyone have related document then please send me on the email id ankushbahale@gmail.com......plz plz

1 Answers  

---

Dear sir, In our plant have Station Transformer having capacity,i want to know, why LV side 40 - 40MVA is given? & how we can get 6.3 KV supply from tertiary(i.e. Open delta connection), Vector Group YNyn0 - yn0 +d MVA Rating 80MVA / 40 - 40MVA + 26.7MVA Voltage rating 420 (Tap range +6,to -10)81.25% /11.5KV - 11.5KV +6.3KV

0 Answers   Bhel,

---

how to set the overload setting in the thermal overload relay?? is there any calculation in that??

3 Answers  

---

why the generator operating along with the infinte bus bar should never be under_excited?

1 Answers  

---

How to calulate cable size for 200KVA,160KVA& 40KVA load?

1 Answers   ABB,

---

WHAT IS THE DIFFERENCE BETWEEN SHOP DRAWINGS/ DESIGN DRAWINGS AND AS BUILT DRAWINGS??

2 Answers   ACC, Al-Jaber, Dubai Group, ECEC,

---

hello, I need to know exactly what happen in the motor while it is connected to the (star/delta) starter, mechanical and electrical. Thaks for answering

3 Answers  

---