Answer / maneesh ms

ATS is Automatic Transfer Switch.
The function is to automatically change the supply from EB
to DG during power failure and again change the supply back
to EB from DG when the power restores.

AMF is Automatic Mains Failure.
The function is to automatically start the DG after a
specific delay when the power from EB fails.

Answer / gaurav b

The purpose of ATS and AMF is same but the main difference between them is that ATS has MOTORIZED working while AMF hasn't motorized working.

Answer / rahul r

ATS-Transfer the power from main to DG when there is a drop of 70 OR 80 percent in power.              





AMF-Transfer the power from main to DG when power is totally failed.

Difference between DOL starter & star Delta Starter? And where the Dol starter used upto how much HP and whereas Star Delta vice versa?

3 Answers  

---

what is the different between Switch & Circuit Breaker?

9 Answers  

---

haw to calculate resistance of induction motar

1 Answers  

---

how the phase convertor changes the no. of phases

0 Answers  

---

how we calculate the knee point of a protection and metering CT and what is the testing procedure.

1 Answers   CS,

---

why slipring motor , at full speed run as squirrel cage motor?

1 Answers  

---

What is the lower limit of megger value for 66/11KV power Transformer ?

7 Answers   MSETCL Maharashtra State Electricity Transmission Co Ltd, Torrent Power,

---

HOW CIRCUIT BREAKER RATING CALCULATED?WHAT ARE THE PARAMETERS CONSIDERED?

5 Answers  

---

At full load wat is the motor p.f And at no load will is the motor p.f?

0 Answers   GEPL,

---

How can we decide cable size from HT panel to Transformer? Please give you reply with some examples.

0 Answers  

---

Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?

0 Answers  

---

using n1*n2 which type transformer is made; where n1 is primary turn and n2 is secondery turn

1 Answers   JSW,

---