what do you mean by PF correction. A motor is rated at 15 kw,415 volts, 0.7 pf and eff of 0.92. The powerfactor is improved to 0.98 by adding capacitors at the bus. calculate the current drawn by motor under full load condition before and after pf correction

5 Answers  

---

derive DC RMS value for half wave rectifier?

0 Answers   BARC,

---

where the lexical paramater will use in fron end?

0 Answers  

---

What is the safety of UPS?

0 Answers  

---

WHAT SHOULD BE THE RATING OF generator required to run a pump motor of 45 Kw.

1 Answers   Jauss Polymers,

---

what is relay

15 Answers   HPCL, IOCL,

---

what is the diff. between x'mer , isolation x'mer & ultra-isolation x'mer ?????????????

0 Answers   ABB,

---

what is differance between PT-100 and thermocouple?

1 Answers  

---

what are ABCD curves in MCBs and how we observe that curves?

2 Answers  

---

In a 3 phase squirrel cage induction motor why does rotor rotate? will 3 phase transformer rotate like a motor if it is placed on bearings and powered up? give reason

10 Answers   Siemens,

---

Why we use three phase world wide why not four phase or five phase being used?

8 Answers  

---

What is expand formation of AYFY cable

2 Answers   HP,

---