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Power Factor Contoller Relay Softbitonline
Power Factor Monitoring & Control
APFC Relay - Automatic Power Factor Controller Relay

Low Power Factor - Harms
In industries we have different types of loads viz. resistive, inductive & capacitive. These loads have different characteristics while in operation and affect the electrical system thereby causing huge electrical energy loss to consumer as well as nation. Out of these loads inductive load is the most prominent in causing major energy losses if not checked and corrected timely.

In inductive loads the voltage & current are never in phase with each other. Sometime voltage is lagging behind and some its current that lags behind the voltage. When the current lags behind the voltage by certain angle, power factor comes into the picture or in other words power factor is the ratio of real power (kW) to apparent power (kVA). In an electric power system, a load with a low power factor draws more current than a load with a high power factor for the same amount of useful power transferred. The higher currents increase the energy lost in the distribution system, and require larger wires and other equipment. Because of the costs of larger equipment and wasted energy, electrical utilities will usually charge a higher cost to industrial or commercial customers where there is a low power factor.

Low Power Factor - Monitoring
So the consumer has to check at his/her end that the power factor of their plant or electrical system must not go down. This checking is done manually by installing power factor meters and recoding the data on daily basis. If there is any low value of power factor then immediate remedial actions are taken to bring it back to certain good level or near to 1. But manual checking & monitoring is very tiresome and not worth for big power consumers as a low power factor or few minutes can cause they a huge penalty by SEBs.

Low Power Factor - Corrections
So now Automatic Power Factor Controllers are being used to control the power factor in auto mode. These automatic power factor controllers are installed near the system panel and connected with electrical system/machine of which power factor is to be monitored and corrected. These power factor controllers check the system and switch On or OFF the capacitor bank(s) to maintain a preset value of the power factor for the electrical system.

Low Power Factor - Online Monitoring:: Why?
Sometimes the capacitor banks installed do not work properly for one reason or the other. The capacitors installed with the bank for power factor improvement may get weak or faulty (which generally happens with continuous use) but this goes unattended till we get the electricity bill. So its better to have some foolproof arrangement to keep a continuous track on power factor of the plant machinery by installing some advance technological systems. Installing some online monitoring system is recommended.

Low Power Factor - Wireless Smart Energy Meter
Softbitonline has launched a GPRS/GSM wireless smart energy meter which continuously monitors the power factor online in real time. In addition to power factor monitoring it also monitor voltage, current, power factor, frequency, KW, KWH, KVA, KVAH of the plant and machinery continuously. The data is stored on Softbit central server so that you can generate daily reports for the electrical consumption and power factor status.

The monitoring of power factor can be done on your smart phones, laptops and PCs live and from anywhere in the world. You can also set SMS alerts in case the power factor goes down a certain preset point. You can store 5 mobile numbers to send SMS alerts to take immediate actions. Add-on modules can be supplied to cut the less important loads in case the power factor goes too low. So it also works as smart energy monitoring system.

Our GPRS/GSM wireless energy meters are being installed at hotels, sub stations, dg set, energy saving systems, cooling towers, HVAC plants. Energy auditors are using these meters extensively for their client site installations. Know more about - GPRS Wireless Energy Meter

Daily Updates:
In mathematical terms power factor is the ratio of true power (kW) to appearant power (kVA). If the resultant of this ratio is unity or near to unity then there is no need to worry. But if this value goes down then there is a need to worry. We call it low power factor. Low power factor affects the system with increased in system current. Lesser the power factor more is the system current and there by producing heat in the systems or machine. This heat will damage the insulation of conductors and ultimately failure of machines. So a good power factor is necessary for the smooth and long life of electrical machines.

Capacitors or cabacitor banks can be installed across the machines or across the main panels to increase the low power factor. The capacitors can be inserted in the electrical system manually or through automatuc systems. Better option is to connect individual capacitors along with each load so that when the load is switched on, the capacitor is also connected across the load. In case of big industries we can also install automatic power factor improvement panels to increase the power factor of the system. The automatic system connects and disconnects the capacitor(s) depanding upon the requirement to achive a preset value of power factor. ?

Power factor correction relay is used to monitor the power factor of plants and machines. The relay has in-built aux. relays which operates on low/high power factor and in turn switch on/off the capacitor bank connected with the load/plant/machine.

Softbitonline Quick Reference:

Saturday ,04 February,2017 (Four, February Two Thousand Seventeen. Indian Standard Time 10:45 Am. Day Time Zone II. RF/GSM/GPRS based data loggers and RTUs for wireless monitoring and control.Data loggers are the core component of RNRG’s complete system approach to wind and solar measurement applications. RF/GSM/GPRS based data loggers and RTUs for wireless monitoring and control.

How to improve low power factor? Online power factor monitoring system. Web based power factor monitoring and control. How to check power factor online? Online Power factor Meter. Problems with low power factor in the electrical system and machine. Never run your AC electric motors at low power factor. Methods to improve low power factor. Install capacitors to improve power factor. Replace faulty capacitors to improve power factor of plant. Capacitor bank for power factor improvement. Calculate the capacitor bank capacity to improve the low power factor. Low power factor means high load currents. Reduce the load current by installing capacitor banks to improve power factor. Low power factor is responsible for heat in the cables. Maintain your plant power factor near to unity to get low power bills. Power factor controller relay. Power factor improvement relay. Methods for automatic power factor correction. Online monitoring of capacitor banks for power factor monitoring. How does low power factor harms the insulation of an electrical system? What are steps one should take to improve the low power factor of an electrical system. What is a power factor correction relay? Explain the working of power factor relay. What is a power factor correction relay? Power factor controller relay is used to control the capacitor bank?.


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