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KRL-FO type detuned capacitor bank for grids high in harmonics with 7% (189Hz) or 14% (134Hz) reactors

FO-type detuned power factor correction unit with 7% (189 Hz) or 14% (134 Hz) detuning factor for highly polluted networks

Detuned reactive power compensation device with harmonic filtering reactors in a standing cabinet. To reduce power factor, improve system efficiency and reduce energy losses for fast ROI.If required, we also manufacture equipment with different step allocations and outdoor designs. The equipment has a modular structure and can be easily expanded. In case of higher performance requirements, the system can be expanded with additional FOP type devices. In case of special reqirements special design is possible. In order to optimize the number of steps (steps), 75 kvar step is also available.


KRL-FO type detuned capacitor bank for grids high in harmonics with 7% (189Hz) or 14% (134Hz) reactors

KRL-FO type benefits and field of applictaion

Why you should choose KRLs FO device?

  • To reduce power factor and improve system efficiency
  • Efficient reactive power compensation on polluted networks
  • To reduce energy losses for fast ROI
  • Choosable top or bottom side connection options
  • Protection: IP 20, IP54 on request
  • German quality, premium capacitors
  • Fuse swich disconnetctors for each step
  • Power supply transformer 
  • Hungarian Product Grand Prix Award 2010
  • ELEKCTROcom Grand Prix Award 2011
  • Compliance with relevant standards: MSZ EN 61439/1-2; IEC 61921; IEC 60831; VDE 560
  • TÜV certified equipment 


Most common fields of application:

  • Heavy and light industy
  • Factories
  • Water and wastewater treatment plants
  • Airports
  • Shopping malls
  • Logistic centers
  • Hospitals
  • Office buildings
  • Stadiums 
  • Swimming pools and water parks
  • Data centers and IT

Technical specifications


Nominal power:
from 100 kvar to 400 kvar
Nominal voltage: 
400 V
Max. voltage: 
1.1 Un
Step power: 3.125 ; 6.25 ; 12.5 ; 25 ; 50
Mains frequency: 50 Hz
Protection class:
IP 20, outdoor version IP 54
Ambient temperature:
-20...+40°C "D" temperature class
Capacitors:
Electronicon, MKPg 3 phase, Un=440 V (7%), Un=525 V (14%) PCB free
Discharge resistors:
Internally connected
Controller:
Microprocessor controlled, with continuous digital cosφ display
Contactors: 
Special capacitor contactors
Cooling requirements:Air-cooling 950 m3/h,
Ambient temperature +7°C
Cabinet: 
Standing cabinet 2000 x 800 x 600 mm (h x w x d) RAL 7035 light grey
Dielectric loss by detuning PFC: 
≤ 5 W/kvar
Target cosφ: 
0.5 capacitive and 0.5 inductive digitally adjustable
Detuning reactors:Harmonic filter reactors with temperature switch
Detuning frequency134 Hz (p=14%) ; 189Hz (p=7%)
Current transformer signal: 
CT.../5A
Voltage signal: 
Internally connected
Relevant standards: EN61439-1, EN61439-2, IEC 61921
IEC 60831, VDE 560, IEC 439/1–2
TÜV certificate number:MK 69249379 0001

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