Answer / k.prakashchandra

There can not be earth fault on delta side as there is no
neutral for earthing and the neutral of the primary gets
isolated .It is customary to have delta -star step up
transformer instead of star-delta.

what is rated speed?

4 Answers   Actavis,

---

How many points can we have in AC Circuit? Show by giving suitable example?

3 Answers  

---

why in an industry; machine having rated 200 h.p stopped after power factor is maintained above 0.97 lag by control panel in view-of energy saving

0 Answers   HCL,

---

and gate circuit diagram,amplifier circuit diagram

0 Answers   NHPC,

---

what is the function of 1 phase preventer?

3 Answers   ABB, Electrical,

---

what happens when back feeding supply accidently collapses with normal supply ??? How?? [that is sometimes in a substation 11kv feeder if their ws long time permit work, back feeding supply will provide from nearest substation... if accidently after the permit work,they charged the feeder without removing back feeding wat will happen...?]

1 Answers   KSEB,

---

Can 4pole (3 phase+neautral )RCCB proper functioning in only 3 phase load (no neautral, no Earth) ?

0 Answers   HCL, Reliance,

---

what is VFD and how to save the power by using VFD?

7 Answers  

---

what is the role of transistor in Circuit?

0 Answers  

---

What do you understand by avr?

0 Answers  

---

what is the senstivity and stablity? what is different?

1 Answers  

---

5.WHICH TYPE WELDING PROCESSES USES NON CONSUMABLE ELECTRODE.........

0 Answers   SSC,

---