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Power Factor Relay

Power Factor Relay

Product Category :    Power Relays

Supplier                :    Larsen & Toubro Limited

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Product Profile of Power Factor Relay

Larsen & Toubro Limited brings Power Factor Relay. Larsen & Toubro Limited is an ISO 9001 certified company. The Power Factor Relay is manufactured to control the capacitor banks automatically for maintaining the system power factor at a set value, under different load conditions. The Power Factor Relay works with the state-of-art microprocessor techniques for system power factor and measurement of reactive current. This Power Factor Relay provides hunt free operation. The Power Factor Relay is capable to control up to 8 capacitor banks. The Power Factor Relay comes with the following key features:

  • Automatic c/k selection
  • Multi parameter display
  • Short time delay facility
  • Protection against fault conditions
  • PFR8 works in both 2-quadrant and 4 quadrant operation modes
  • Accurate displays of power factor even in the presence of harmonies
  • Technical Specifications of the Power Factor Relay are:
  • Input Current: 1A / 5A
  • 5-90 Sec in steps of 10 sec
  • PF Setting: 0.8 lag to 0.95 lead
  • Rated Frequency: 50 Hz, + or -2.5 Hz
  • Supply Voltage: 415V AC +or- 20 percent
  • Capacitor step switching on delay:
  • Or 100-1200 Sec in Steps of 50 Sec
  • Over load capacity: 400 percent of Ib
  • Capacitor bank selected for learning: 2 - 4 - 6 - 8
  • Selection of operation: Two quadrant or Four quadrant operation
  • Short switch ON delay: Enable / disable [30 sec +step switching on delay]
  • Safety Lock Out Time: 60 secs + capacitor bank
  • Switching delay selected +or-5 percent
  • Accuracy of PF Display: 2percfent from 0.7 lag to 0.8 lead [under full load condition].
  • Operation Indication:
  • `Lag / Lead ` status
  • Each capacitor bank.
  • Alarm - AUTO / MANUAL
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