Answer Posted / dinesh anant

All cables are conductors but all conductors are not cables. Cables use conductors to build them as to pass current but conductors are themselves materials those pass current through them.

how does it help for selection of a transformer.

1800

---

What is the armature mmf in a D.C machine?

1180

---

in dc series motor if field wdg is shorted then

1803

---

What is power in wattage of 8.5 TR AC

1601

---

why single phase to grd test in HV cable?why not 2 phase at a time?

2223

---

What is the feedback in the control system?

1031

---

all details of DG UPS HVAC

2003

---

R=*¶ l/a

1575

---

WE ARE PLACE A NEW 75 KW MOTOR FOR JPF.IT IS CONNECTED IN M.C.C. WHEN WE ARE STARTING M.C.C.INCOMER IS TRIPPED.THEN WE ARE CONNECTED IN P.C.C WITH A MM30 RELAY PROTECTION THEN WE ARE STARTED MOTOR WILL RUN SMOOTHLY.

2007

---

Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . y d.c series motor in train.train wheels r driven by D.C shunt motor ,at what voltage,and at what speed. please reply..............

1756

---

what mean by analog ,digital,numerical meters and relays? say the example?

2231

---

how many safety really of DG sets.

2165

---

if the armature current in a dc generator is ac ( sinusoidal ) why doesnt the sjhape af armature mmf a sinusoidal (ni) ? armature mmf in case of a dc machine is triangular.

1931

---

Why temperature rise is conducted in bus bars and isolators?

1258

---

what may the reason for vector shift in a generator?

1827

---