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
