Fit & Forget, the next generation Fault Current Limiter

  • Quick to install, minimal disruption
  • Passive device, no operating costs
  • Introduces minimal losses
  • Negligible maintenance
  • No excessive noise pollution or unusual H&S issues
  • Fail-safe
  • Utility operator friendly

TECHNICAL SPECIFICATION

“Typical 11 Kv pmFCL configured to provide 100MVA of fault reduction.

KEY TECHNICAl PARAmETERs 11Kv pmFCl NOTE
Line voltage 11kV RMS at 50Hz 3 phase L-L
Rated load current 1,050A RMS continuous
Secondary power requirement 0 Watts
Prospective fault current 18kA Peak after sub-transient
Limited fault current 11kA Peak after sub-transient
Fault current reduction 40%
MVA equivalent fault reduction capacity 100MVA At 11kv L-L
Prospective first cycle peak fault current 34kA Peak First current peak of the worst case sub-transient response
Target first cycle peak fault current 23KA First current peak of the worst case sub-transient response
First peak current reduction 30%
Load related losses 20KW At full load
Voltage drop at maximum service current < 0.4% At full load
Power transfer advantage 120 KW Over a fixed shielded iron inductor at full load
Fault withstand 30 seconds From maximum load
Response to fault < 2 msec Within first cycle
Recovery from fault < 1 msec Within first post fault cycle
Size 3m cube 3 phase unit
Weight 50 tonnes 3 phase unit
Cooling requirements Ambient air No external heat exchanger
Insulation Dry type Suitable for indoor & outdoor installations

TYPICAL 3-PHASE FAULT
CURRENT LIMITED WAVEFORM

waveform