Answer / gunasekaran

it is star connected because we can insulate root3 time lesser than delta and no of turns also root3 times lesser than delta and we can easily protect the equipment from earth fault protection

Re: What do you mean by Power factor of a generator? Power factor purely depends on the load (wether inductive, reactive or unity) then what does the Power factor mentioned on the generator nameplate means?

2 Answers  

---

HOW TO CALCULATE BATTERY BACKUP TIME & AH CAPACITY AGAINST UPS KVA RATING?

2 Answers  

---

what ever the ups kva it may 500 kva or 500 va always out put is AC 240 volts its right?

3 Answers  

---

What is auto reclose system in Circuit breakers

1 Answers  

---

what is subtransient , transient and study state ac components

2 Answers  

---

---

circuit breaker work alone during fault condition or need any relays ?

4 Answers  

---

why are use corona ring in high tension line switchgear?

1 Answers  

---

whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?

0 Answers   DAE,

---

how the testing of protection CT Testing done through Primary injection kit please describe in detail procedure...

0 Answers  

---

why Copper loss is represented as I square R ?

5 Answers   L&T,

---

how to identify the cable quality and what is flame proof cable

0 Answers  

---

What will happen if twice the rated voltage is applied to a DC motor?

4 Answers   Toyota,

---