WHY MOSTLY BATTERY VOLTAGE IS IN MULIPLE OF 2 LIKE 2V,4V,8V,16V,18V....

2 Answers   Exide,

---

can u tell the difference between star-star transformer and delta to delta transformer.

3 Answers   Videocon,

---

After fault clearing in Tr line, whether the Metering core of CT is comes to normal condition from saturation region & its works as a normal condition?

1 Answers  

---

IT IS SAID THAT THE OLTC OPERATION SHOULD NOT BE PERFORMED WHEN THE TRANSFORMER IS GENERATION TRANSFOREMR/STEP UP MODE. WHY IS IT SO?

1 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd,

---

What is D check in a Diesel generator for 1000kva DG

9 Answers   Escorts,

---

why we are using DC supply for all protection relays, why cant we use AC supply..???

1 Answers  

---

a 3 phase slip ring induction motor is wound for 4 poles on stator and 6 poles on rotor; when 3 phase balanced voltage source at 50 hz is applied to motor it will run at a)1500rpm b)1000rpm c)750 rpm d)zero rpm

13 Answers   Essar, PSPCL, PSTCL,

---

what is scan time of PLC & in which factor scan time is decide

3 Answers   EEEC,

---

what is impedance of transformer?

7 Answers   Synergy, Vijai Electricals,

---

magnetic circuit consume energy

3 Answers  

---

why we remove capacitor connection in 3 ph Induction Motor while taking noload test.

7 Answers   Aditya Birla,

---

What are the methods used to improve powerfactor ?

6 Answers  

---