Why VCB is required and ACB is also require? what is the BDV of Trafo of 11/33 KV

1 Answers  

---

Dear Sir, we met a disaster with our 62.5 kva genset, after rewinding we informed by our contract engg that due to return current coming in neutral & impropper earthing this happend. But after all set up & load balance we checked & found again we have about 20 to 32 amp return current on neutral. we have 12 airconditioner + 12 mini fridge on single phase line. Pl suggest any idea to solved this problem

3 Answers  

---

Draw the vector diagramme for Asynchronous Induction Generator at noload,half load and fullload.

0 Answers  

---

whay we transmit power in 3phase no in 4 or 2 or 5......etc?

4 Answers   CCCL,

---

Why Stabilising Resistor used in REF circuit ?

0 Answers  

---

What is the d/f between DOL & star delta starter & automatic star delta starter?

23 Answers   ACC, Dalkia, Engineering, Indeco, NINL, Novotel, RMH Control Systems, Wipro,

---

static chagre

0 Answers  

---

about transformer oil material & Test name for the measurement of its dielectric strength & wht will u do if its dielectric strength goes low ?

2 Answers   NTPC,

---

In case of motor Power Factor Generally We Apply A Capacitor But How Can We Know That A Motor is Running On Very low Power Factor And What Rating Of Capacitor We Have To Place And Tell Me Conversion Of Micro Farad to KVAR>

2 Answers  

---

1 ton AC takes how much current( starting & stable)

15 Answers  

---

Why the Transformer Nuetral is grounded?

10 Answers   Infosys, Khartoum Refinery,

---

Who is reputed manufacturer of TNC switch for ACB in India ?

3 Answers  

---