Specification

MFCL Specifications mFCL 6 mFCL 15 mFCL 36 mFCL 72 mFCL 145
Line voltage 4 – 6.6 kV 10 – 15 kV 10 – 35 kV 45 – 69 kV 110 – 138 kV
Rated line frequency 50/60 Hz
Number of phases 3
Rated nominal voltage 7.2 kV 15 kV 36 kV 72.5 kV 145 kV
Line voltage 4 – 6.6 kV 10 – 15 kV 10 – 35 kV 45 – 69 kV 110 – 138 kV
Power frequency voltage withstand level 20 kV for 1 minute 28 kV for 1 minute 70 kV for 1 minute 140 kV for 1 minute 275 kV for 1 minute
Lightning impulse voltage withstand level 75 kV / 1.2/50 μs 95 kV / 1.2/50 μs 170 kV / 1.2/50 μs 325 kV / 1.2/50 μs 650 kV / 1.2/50 μs
Rated current 630 – 2500 A 630 – 4000 A 1250 – 2500 A 1250 – 3150 A 1250 – 4000 A
Steady state voltage drop at nominal current rating – 4.0 %(<2.0 % typically) 0.5 – 2.0 %
(<1.0% typically)
1.0 – 2.5 %
(<1.5 typically)
Unlimited short time fault current 25 kA rms 40 kA rms 50 kA rms 60 kA rms
Unlimited peak current 50 kA 80 kA 100 kA 140 kA
Fault current limiting range (typically) 50 – 70 % 45 – 55 % 40 – 50 %
Fault duration 3 sec
Fault handling capability Multiple faults per event
Recovery time between faults Instantaneous
Number of operations Unlimited over lifetime
Principle function Inductive, saturated iron core
Design Full-Load Temperature Rise 55 °C top oil rise
Total aux power consumption 15- 30 kW 15 – 50 kW 30 – 120 kW 60 – 120 kW 180 – 360 kW
Width
Depth
Height (excl. bushings)
2.0 – 3.0 m
1.5 – 2.5 m
2.0 – 2.5 m
2.0 – 3.0 m
1.5 – 3.0 m
2.0 – 3.0m
2.0 – 4.0 m
1.5 – 3,0 m
3.0 – 5.0 m
2.5 – 5.0 m
2.5 – 3.5 m
3.0 – 5.0 m
3.0 – 5.0 m
3.0 – 4.5 m
3.0 – 5.0 m
Construction 1 x 3 phase unit 1 x 3 phase unit
3 x 1 phase units
Weight 5 – 20 ton 7 – 25 ton 15 – 30 ton 40 – 100 ton 120 – 240 ton
System cooling ONAN ONAN or ODAF
Ambient temperature for operation outdoor -30 °C to +45 °C

The Zenergy mFCL has so many design variables that devices with similar electrical performance can be executed easily over a very wide range of physical design envelopes.

The ranges of performance and parameters shown in the table are only provided as typical for devices with a specific electrical rating.  There are not any absolute limits and each specific application should be evaluated individually to determine the most suitable solution.