Answer / 7anoter4

Magnetic energy is W=B*H =miuo*H^2=K*i^2
Wmax=K*Imax^2 ¼*Wmax=K*Imax^2/4 i=Imax/2
The current equation it is: i=Imax*[1-e^(-t*L/R)] . If
i=1/2*Imax then : e^(-t*L/R)=1/2 and t=-LN(1/2)*R/L R=10
ohm L=0.250 H t=27.73 sec.

which is the best institute for PLC,SCADA,DCS in hyderabad

0 Answers  

---

Stator of 3-phase IM has 3 slots per pole per phase, calculate number of stator pole pairs. A 1 B 6 C 2 D 3

2 Answers  

---

Difference between ups and invertor

3 Answers  

---

i asked a funny question in Electrical ohms law V=IR in const temp voltage is directly proportional to current Power p=VI cos@ in that formula Voltage is indirectly proportional to current Try to give me the fact what is happening in Electrical.. contact Thanigai_1984@yahoo.co.in

3 Answers  

---

how to check the stabilty test for generator differential protection

1 Answers  

---

how to calculate the size of the cable for a particular rating 3phase induction motor?

1 Answers   Godrej, Megatron Solutions,

---

what is the function of compressor?

2 Answers  

---

how a flip flop can be used as a latch?

0 Answers  

---

Dear All we are having a problem in G120 BOP showing alarm A0503, F0052, F0060 we can not remove fault alarm ,Please any body help us. kowsar

0 Answers   TCCL,

---

why celing fan is running in anti clock wise and table fan is running in clock wised?

5 Answers  

---

what ever the ups kva it may 500 kva or 500 va always out put is AC 240 volts its right?

3 Answers  

---

How to check phase R,Y,B

3 Answers  

---