Answer / kp

AC Drve operative for following features.
1.it is safty for motor.
2.energy saving.
3.Braking
4.costing/ramping.
5.easy to understant where is fauilure.
6.interlocking according to loop for Speed refrencr.
7.control V/F

Answer / stouhidee

At which the drive is use without any damage at its max.
efficiency.

what is an ambient temperature?

5 Answers   Reliance,

---

what happen if i increase height of displacer type LT.accuracy or sensitivity are affected.why?

0 Answers   Essar,

---

You wish to SINK all my digital inputs to a PLC digital input card. Would you common out the leads to a positive or a negative connection?

1 Answers  

---

why OPC server is used in DCS?

2 Answers  

---

How can we test a bently nevda 3500/42M accelerometer monitor card by simulating it with test equipment?. what king od of signal (milli volts or volts or or resistance ) we should feed in the terminals of the card?

0 Answers  

---

How to calibrate Field bus transmitter? procedure ?

0 Answers   Parco,

---

What is the difference between antisurge

1 Answers  

---

i want to Measure the Difference pressure of Packed distillation Column of height 3 mtr. h.p. side connected to bottom & L.P. side connected to the top , so tell me what will be THE URV & LRV of that D.P. transmitter?

5 Answers  

---

how many maximum enter 2mm Dia solid cylindrical pipe into 8mm Dia hollow cylindrical pipe. give answer with calculation.

0 Answers  

---

what is reason behind boiler drum level transmitter range put -450 to 0 mmh2o.

1 Answers   JP Group,

---

Explain " FAIL SAFE " feature in temp. measurement.

1 Answers   Bapco Bahrain Petroleum Company,

---

what is formula mv convert to temperture

4 Answers   Sterlite,

---