Purpose of providing neutral isolation panel for parallel operation of diesel generator

0 Answers  

---

in battery charging room we find two fuses (one in positive other in negative cables ).why it is so?one fuse is ore than sufficient?

0 Answers  

---

the current which flows during lightening is ac or dc,,,,,,,,,,, WHY

6 Answers  

---

operation principle of a generator? Gss, Diesel and HFO which is better and why?

1 Answers  

---

difference between EMVT, PT & CVT ?

9 Answers  

---

What will happen if the interpoles in case of a generator have opposite polarities to that behind it in the direction of rotation ?

1 Answers  

---

Has someone here done a sizing for a generator (3 phase), its for a pumping station. If you have an example for standby/duty and both running (I) star delta (ii) Soft Starter.

0 Answers  

---

What is difference between start imitation and start interlock for 3 phase motor protection ?

0 Answers   Siemens,

---

How many gap between finger contact in a.c.b. and v.cb.?

0 Answers  

---

If the capacity of water Tank is 50000 Liters situated at 20 meters height from ground level,What would be the size of pipe and how much USGPH water will be supplied and what will be the motor or pump rating used for this work?Illustrate by showing formula?

1 Answers  

---

Generally at what power factor the electronic equipments like computer, TV, EPABX etc.,operates. Please tell me.

1 Answers   HAL,

---

WE are using a 63A MCCB(SIEMENS MAKE) for one of the feeder in LV substation panel.It is supplying to a lighting & power socket DB.Settings in the MCCB is Ir = 63 * 1 , Isd = 8 times of Ir , tsd = 0.5 sec( I2 t off). Sometimes this MCCB is tripping .But no trip in DB MCB. Can anybody tell me reason ? From where i can know about the MCCB settings?

5 Answers  

---