Answer / himadri

For Designing the APFC we have to know the desire power factor of system and present power factor value.
After that we have to draw power triangle where kw value will be same. Form power triangle we can find the extra kVAR requirement to achieve the desire power factor.
That extra kVAR will be supply by capacitor bank. Then we have to fine out the capacitance value which will supply the extra kVAR.

what is the harmonics.

3 Answers   DLF,

---

what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)

0 Answers   TATA,

---

what is pf. how to calculate capacitor bank value to maintain unity pf.

18 Answers   JH, Saint Gobain, Supreme Treves,

---

What's mean HVF & HAF in Vacuum Circuit Breaker?

0 Answers   Gandhi Institute of Technology and Management (GITAM), Hyundai, Jayam Engineering Works,

---

My load is 15 kw,i want to improve power factor from 0.8 to 0.9,how select capacitor

2 Answers   RIB Software, TATA,

---

Can you any explain about active,reactive and apparent power in power system with example.

1 Answers  

---

what is synchronizing panel & its working.

3 Answers  

---

why we changed the polarity of DC generator ?

1 Answers   DMRC, Microsoft,

---

Iam Preparing For Ap Transco Assistant Engineer (ELECTRICAL) Exam how To Prepare What Is The Refernce Books.can You Give The Advises To Me.tahnk You. This Is Radhika Iam Preparing For Ap Transco Assistant Engineer (ELECTRICAL

2 Answers  

---

what is the profesional board for electrical engineer what is thepast and during construction for electrical engineering

0 Answers  

---

what is the formula of starting current of 3phase and 1 phase motor???

0 Answers   L&T, WFP,

---

why we use single core 630mm2 cable for transformer secondary side

0 Answers  

---