
The current ground station consists of the following components:
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Motor-generator with 18 kW nominal power;
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drum, synchronous belt, gearbox;
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spindle motor with gearbox and worm drive;
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pulleys, force sensor;
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control system;
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electrical power system;
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20 kWh LiFePO4 battery.
Technical data:
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up to 8 m/s reel-out and reel-in speed
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nominal force of 3924 N
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max. cable length: 1000 m
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inverter with 240V AC power output
It has different modes of operation, for example constant reel-out speed, constant reel-in speed, constant reel-out force. If the wind is strong, constant reel-out force mode with a nominal force of about 85% of the maximal force is used. If there is a gust, the winch reels out faster, to keep the force under the maximal allowed limit.
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