Answer / wareagle

The power showed in the name plate of the motor is input
power or output power?? Output


The power showed in the name plate is 18.5kw measured
current is 34.5 amps. location is india. can i calculate
the efficiency of the motor using this data?? Yes

Answer / dev

Remember the substation
gives us the power calculated
in kva what we use
calculated in kw and what
returns to grid it will be kvar
so it would be output power
and we cant calculate
effeciency by only motor
current and voltage

Im designing APFCR Panel for 600 KVAR.I need to calculate the full current so that i can choose the capacity of isolator/Breaker.Kindly suggest with formula.

1 Answers  

---

Why motor initial starting current is high?

9 Answers   Pennar,

---

1. what is exciting winding, rotor winding, startor winding. and how it works? in ac generator

3 Answers  

---

why the pf of semiconductor device is improved the electrical devices

0 Answers  

---

How I can Compare 120v/60Hz versus 220v/50Hz ? Please tell me both advantage and disadvantage ......

0 Answers  

---

hi i have a 400kva transformer i want to know the test i can use to check on it thx

1 Answers  

---

What is clock position of Transformer?what are the clock positions are there?and what is different of them?

0 Answers   Synergy,

---

if the synchronizing b/w generator and busbar not complete and we close the out going circuit breaker of generator then what happen ?

4 Answers  

---

how to read idmt curva

0 Answers  

---

how can we judge the percentage of load on the basis of temperature differences readings between WTI and OTI in a transformer

1 Answers   Toshiba,

---

How the surge voltage can be arrested in electronic devices

1 Answers  

---

what are the difference between PLC and embedded

0 Answers  

---