what is the criterion for selecting vector group of Transformers ? i mean how to decide vector group of Generator transformer, substation trasformer and transformer at consumer end

0 Answers   Areva,

---

why do transformer humm ??????????

2 Answers  

---

why we are called the 4-20ma transducer,not 0-20 ma transducer??

3 Answers  

---

whta does the middle finger stands in flemings left hand rule

3 Answers  

---

What is the male and female contactors.where is it's used and what is the deferent betweens

1 Answers   Standard Chartered,

---

3phase lt motor winding how to checking with megger

1 Answers  

---

What is LOTO?

6 Answers  

---

What meant by XLPE cable

3 Answers  

---

How much ampere rating on LT side of distribution transformer and also on HT side of 200KVA transformer

2 Answers   ABB,

---

what is rated current and operating current?

3 Answers  

---

What is difference between slip rings and carbon burushes?

2 Answers   Hyundai, IVRCL,

---

What is an isolation transformer?Why do we need isolate circuits?Where do we use them?

2 Answers  

---