In industry, most of the load is inductive in nature which results in lagging power factor that is why there are loss and wastage of energy which results in high power bills and heavy penalties from electricity boards. If the load is uneven it is very difficult to maintain unity power factor. To overcome this difficulty apfc panel is used which maintains unity p.f. Features and applications :1) high speed power factor correcting system is designed to compensate the reactive power of any load or equipment required p.f. Correction within one cycle of operating frequency or time delay of 30 sec to 5 min after command signal from apfc controller.2) renders the distribution network more stable since there is no contactor switching causing high voltage transients, spikes, harmonics and other disturbances by applying zero crosses over voltage switching on and zero current switch off of the capacitors.3) prevents voltage drop and flickering reduces failures in highly sophisticated electronic equipment like plcs. Computers and other control systems.4) helps in reducing maximum demand and rkvah consumption hence a substantial reduction in monthly electricity tariffs.5) it is highly suitable for spot welding applications where the reactive energy is to be compensated for a short period of 200 msec or less and for a number of times in a second.6) accurate power factor control even in the presence of harmonics.
Sumit Singh (BRICK & BYTE INNOVATIVE PRODUCTS PVT LTD)
R-102, MIDC Industrial Area, Rabale, Navi Mumbai, Maharashtra 400701
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