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. Flexibility to reconfigure to 5, 10 or 20MVA.
| KEY TECHNICAL PARAMETERS | 11kV pmFCL | NOTE |
| Line voltage | 11kV | RMS |
| Rated load current | 1kA | RMS |
| Secondary power requirement | 0 Watts | |
| Prospective symmetrical fault current | 11kA | Peak after sub-transient |
| Limited symmetical fault current | 6.4kA | Peak after sub-transient |
| Fault current reduction | 45% | |
| 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 |
| Restrained first cycle peak fault current | 20kA | First current peak of the worst case sub-transient response |
| First peak current reduction | 40% | |
| Power losses at rated current | 36kW | At full load |
| Insertion current drop in load | < 0.31% | At full load |
| Power transfer advantage | 240 kW | Over Current Limiting Reactor |
| Fault withstand | 3 secs | From maximum load |
| Response to fault | < 2 msec | Within first cycle |
| Recovery from fault | < 1 msec | Within first post fault cycle |
| Size | 3.5m cube | 3 phase unit |
| Weight | 57 tonnes | 3 phase unit |
| Cooling requirements | Ambient air | -20 to +40 deg.C |
| Insulation | Dry type | Suitable for indoor & outdoor installations |
TYPICAL 3-PHASE FAULT
CURRENT LIMITED WAVEFORM
