why a single phase induction motor has poor power factor

0 Answers  

---

how does it help for selection of a transformer.

1 Answers   Reddy Labs,

---

Why Neutral Busbar CT & transformer neutral CT connected with phase CT in Restricted Earth Fault?

3 Answers  

---

what is a starter ??

2 Answers   NPTC,

---

Practical applications of series connected resistances? 

1 Answers  

---

---

why vacuume circuit breaker is not used for EHV

3 Answers   College School Exams Tests, Crompton Greaves,

---

What is the difference between hot and cold loop testing?

0 Answers  

---

During the testing of Electrical Equipment the test cables should not touch the equipments. For that testing engineers use to cotton rope to hang the cable from measuring Equipment to testing equipment terminal. Please explain the technical reason for this practice.

1 Answers  

---

(1)Electrical power is generated in KV, power consunmed is in MW and the transformers used are in KVA. How is KVA converted to MW as power being consumed by the consumers? (2)What is vector group of a transformer?

1 Answers  

---

What is Harmonics how it is produced and what is the method to control the same

0 Answers   Siemens,

---

Why the moulded plug comes with domestic appliances instead of assembled plug like anchor, Vinay 5/15 A.

0 Answers  

---

Why should not we run the IM in low voltage, if runs means what will happen?(for example instead of 400V we give 250V supply)

2 Answers  

---