AEE's APFC Panel
AEE’s – Automatic Power Factor Control Panel
What is Power Factor?
Power Factor (PF) is the ratio of Power Utilized (KW) and Power Drawn (KVA).
Generally, when the Power is applied to the electrical motors, the entire Power is not converted as useful Work Done (KW).Depending on inductance of the motor a reactive power (KVAR) is generated which results in drawing of excess KVA.
Power Factor = KW/ KVA
To reduce the KVA drawn, the inductive KVAR is to be nullified by introducing an equal and opposite Capacitive KVAR according to the load pattern, thus OPTIMUM PF is maintained.
AEE’s APFC Panel has a Micro-controller based Programmable Controller, which switches the Capacitor banks of suitable capacity automatically, in multiple stages by directly reading the reactive load (RKVA) which works in the Principle of VAR Sensing, tends to maintain the PF to 0.99 Lag. The capacitor banks may be selected in number of stages as 4/5/6/7/8 according to the load pattern.
More details can be found in our website http://www.unitech.co.in
Why Power Factor must be maintained?
By maintaining a better PF we can reduce the Power drawn (KVA), thus reducing the current passing through the electrical circuits to the maximum extent possible (even up to 50%) thereby reducing the machine down time, reduction in heat losses in turn increases the life of the electrical circuits.
The State Electricity Board (SEB's)has installed Digital Electronic Energy (Tri-Vector)
Otherwise, for every reduction of 0.01 from the specified PF, PENALTY is levied on the Energy Consumption Charges (KWh) on the Electric Bill. SEB's are also offering PF incentives if the PF is maintained above the specified PF.
In few states, where the metering unit is KVAh and if the PF is maintained at its optimum of 0.99, the electricity bill amount itself is reduced considerably.
The optimum Power Factor can be maintained by installing AEE’s AUTOMATIC POWER FACTOR CONTROL PANEL.
AEE’s Automatic Power Factor Corrector Panel for WELDING MACHINES
In the case of Welding Machines, to maintain the PF, Capacitors should be joined to the circuit instantaneously when the welding operation is done and disconnected on idle condition. If the Capacitor is permanently connected to the circuit even during idle condition the KVA drawn is more than that of the KW, results in low PF.Since the value of Capacitance required varies with every machine, Individual PF Corrector Panel should be provided for every welding machine to maintain the optimum PF.
Since AEE’s APFC Panel always tends to maintain the PF up to 0.99 Lag, it not only avoids PF penalties, but also fetches recurring incentives in every electricity bill.
SINGLE PHASE CORRECTION or FINE CORRECTION
AEE's Single Phase APFC has Controller with 5 Stages per phase i.e., 15 stages in total is suitable for switching ON the star connected single phase Capacitors, whereever there is a Load imbalance.The number of stages can be increased or decreased according to customers request. The fine Correction may be as low as 0.25 KVAR at the first stage ensures optimum PF and improves the efficiency of the power systems.
AEE's APFC Panel Controller also comes with a combined module of COARSE Correction (Delta Connected) and Fine Correction (star Connected) Capacitors.the fine correction module , comes with 5 stages per phase, switches the star connected (i.e., 240 v) capacitors individually in every phase measuring the RKVA demand in an unbalanced power system.
For a given power systems, when the maximum RKVA demand obtained and a suitable capacitor banks are connected, AEE's APFC Panel always tends to maintain the Powr Factor at 0.99 Lag automatically.
Salient Features of AEE’s APFC Panel
Adjustment to any step of capacitor value
Micro controller based technology. Digital computation of various parameters
Continuous monitoring of parameters like Line Voltage, Current, Active, reactive and Apparent Powers and energies
Scrolling Data Display on a Dot Matrix LCD
Protection of Capacitors against damage due to High Voltage, Low Voltage
Avoid PF Penalties on your Electricity Bill
Tends to maintain 0.99 Lag
Micro controller based technology. Digital computation of various parameters
No-Volt release features to disconnect all capacitors in the event of power failure
Dynamic control of Reactive Power and Power Factor
RS 232/ RS 485 Standard output port (optional)
Fine & Coarse correction Controller.
Benefits of installing AEE’s APFC Panel
Power Factor penalty is avoided
Avail incentives by maintaining optimum Power Factor
Optimize the capacity by reducing the maximum demand KVA
Avoids excess demand charges
Improvement in line voltage
Reduced line current losses and cable overheat
Enhanced life of electrical circuits
Avail Depreciation
Reduced consumption (KWH) charges
Avoids overloading of Distribution Transformers
Additional Service Connections in existing generation of power by reducing Energy Losses
Reduced line losses Benefits SEB’s and Nation
AEE’s APFC Panels are available from 10 KVAR model onwards.
Photo:
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