11KW Delta motor is taking about 44Amps in star and goes upto 70Amps in delta and trips OFF. The rated current is 26Amps. Application is for the blower. The motor takes ( no load without coupling impller ) only 2.5A and 5Amps in star & delta starter test.Need to know why its taking high current.

10 Answers   Pfizer,

---

how can we calculate air compressure capacity

1 Answers  

---

what is power factor? whether it should be high or low? why?

11 Answers  

---

in control panel, how can i measuring the distance between one bus bar to another bus bar. then now only for bus bar. in mpcb and contactor also. that means one mpcb to another mpcb how much distance? how can i calculate that.

0 Answers   ABB,

---

Corona occurs between two transmission wires when they (a) are closely-spaced (b) are widely-spaced (c) have high potential difference (d) carry d.c. power

2 Answers   Power Grid,

---

What is meant by vector group

0 Answers   GPSC Gujarat Public Service Commission, VA Tech Wabag,

---

The power supplied to a 33microF capacitor from a 120V, 60Hz source will be

0 Answers  

---

How do we arrive at selecting reactive capacitance value as 30% of h.p rating of motor?

0 Answers  

---

How a capacitor discharge weld power supply works? what is the use of a pulse transformer?

0 Answers  

---

how do you test tachos and servos

0 Answers  

---

What is Fan Coil Unit . How can we calculate CFM .

3 Answers  

---

How to calculate the value of earth capacitance in a transmission line.

0 Answers  

---