POWER FACTOR
CONTROL RELAYS

OVERVIEW

Relay accessories regularly required for control of Automatic Power Factor Correction System (APFC/RTPFC) including Low Voltage Automatic power factor controller (Economical, Smart, Intelligent and Advanced), High voltage APFC controller, Capacitor Soft Switches (Capacitor Duty and Hybrid).

 

OTHER VARIANTS OF
POWER FACTOR CONTROL RELAYS

APFC ECONOMICAL AND SMART

  • Economical small size version in 96 mm X 96mm and Programmable in 144 mm X 144 mm
  • Wide range voltage supply 90Vac to 500Vac or 550Vdc to 1000Vdc
  • 5 Amp and 1 Amp CT connection
  • Model available as 4,6,8 relay contacts
  • Large size LCD display
  • Protection to capacitor banks

HIGH VOLTAGE APFC CONTROLLER

  • 3-ph (3W/4W) sensing with 3 CT’s additional 3 CT for capacitor current measurement
  • Separate measurement voltage and wide rage AC/DC auxiliary supply
  • 5Amp and 1Amp CT connection for supply & capacitor current
  • Models available up to 8 capacitor banks control
  • Data logging with user programmability and communication capability on serial (RS-232C/RS484HD), GSM/GPRS
  • Class 1 load manager functionality

HYBRID SWITCH

  • Can replace electro-mechanical switching with zero surge thyristor switching
  • Very low on state conduction losses due to hybrid technology
  • Enhancement in life of capacitor to almost double
  • Can replace conventional AC-6B capacitor duty contactor
  • DIN rail mounting and standard bolted mounting facility
  • Fire retardant grade material
  • Remote and local control for manual testing of capacitor control
  • Optional CT connection facility for added protection to capacitors
  • Capacitor residual voltage monitoring including off delay timer in built
  • Elaborate fault monitoring with LED indications

APFC INTELLIGENT
AND ADVANCED

  • Wide range voltage supply 90Vac to 500Vac or 550Vdc to 1000vdc
  • 5 Amp and 1 Amp CT connection
  • Measurement accuracy class 1 for voltage and current and class 2 for power (active and reactive)
  • Fully automatic set-up
  • Multifold protections to capacitor banks
  • High speed switching transistor output for TPFC-03 to control high speed capacitor thyristor switches.
  • Expert mode programming for finer aspects of PF compensation

INTELLIGENT CAPACITOR SOFT SWITCH

  • Models upto 500Vac and 800Vac Ph to Ph voltage and with current rating of 25A, 40A, 80A, 120A and 160A
  • Thyristor rating 2200V for up to 500 Vac supply and 3600V for up to 800Vac supply
  • Ultra-high-speed capacitor switching with cold response time as half supply cycle and hot response up to two supply cycles
  • Extra protection to thyristors and hence non-usage of costly semiconductor fuses
  • High end microcontroller technology
  • Inbuilt Multifold protection system
  • Remote and local override control
  • Continuous display of capacitor current and any annunciation on 4-digit 7-seg LED display
  • Capacitor and detuned reactor earth fault monitoring and protection
  • Capacitor THD monitoring and protection
  • Capacitor KVAR value deterioration monitoring and protection
  • Thyristor health check and supply health check monitoring
  • Standard protection like over/under voltage over temperature, spike current voltage transient protection.

APPROVALS / COMPLIANCES

  • IP 67
  • IP 55
  • IS 13340:1993
  • Approved by Industrial Customers
  • Meets required technical specifications

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