Product overview
The Kitefly DJI FC30 system from Nanjing Airfly Electronic Technology Co., Ltd. combines a ground tether box, a hybrid cable and an onboard power converter. The converter replaces one aircraft battery through a plug-and-play installation and provides a battery interface, XT90 and two XT60 outputs. Its 468 × 308 × 142 ±0.5 mm housing weighs 10.8 ±0.2 kg, with dimensions excluding the handle and connectors. These interfaces and the battery-replacement mounting define its aircraft integration arrangement; the listed package contents comprise power and tether equipment, accessories and documentation.
The ground box requires 380 VAC ±10%, three-phase, five-wire power at 50 Hz and supplies adjustable 600-800 Vdc, set to 800 Vdc at the factory. The onboard converter accepts 580-810 Vdc and delivers a fixed 59 Vdc ±1%, with voltage customization available. Its continuous output is ≥18000 W, while ≥22000 W peak output is specified for at least 10 seconds. The standard 220 m tether has an optional 330 m configuration. Its hybrid construction contains two single-mode fibers, with optical communication offered as an option.
Cable handling provides stepped adjustment of winding speed from 0-3 m/s and retraction tension from 0-20 N. The ground box weighs 54 ±0.5 kg without the tether and carries an IPx4 rating; the onboard converter is IP54. Operating limits are -20 to 45 °C, 10 to 80% RH and an environmental altitude of ≤3000 m. Storage limits are -40 to 65 °C and 5 to 90% RH. A wheeled flight case accommodates the listed equipment, with a packed mass of 115 ±5 kg including accessories and documentation.
Specifications
| Specification | Value & conditions |
|---|---|
| Product identity | Kitefly DJI FC30 multifunctional tethered drone system |
| Onboard power supply input | 580-810 Vdc |
| Onboard power supply output voltage | 59 Vdc ± 1%Standard fixed output; voltage customization available. |
| Onboard power supply output power | ≥18000 W continuous; ≥22000 W peakRated continuous output and peak output lasting at least 10 seconds, respectively. |
| Onboard power supply dielectric withstand | ≥3000 V; no breakdownVin-Vout withstand test for one minute at 5 mA leakage current. |
| Onboard power supply installation and connections | Plug-and-play installation; locking LP20 aviation input; battery interface, XT90 and 2 × XT60 outputsReplaces one aircraft battery. |
| Onboard power supply enclosure | IP54; 468 × 308 × 142 ±0.5 mm; 10.8 ± 0.2 kgDimensions exclude the handle and connectors; replaces an 11.5 kg aircraft battery. |
| Tether construction | High-temperature-resistant copper-alloy wire, composite fluoropolymer insulation and aviation-grade fiber wrapping |
| Tether current capacity and resistance | 25-30 A; 1.6 ± 0.1 ΩResistance measured over a 100 m loop at 20 °C. |
| Tether tensile strength | ≥300 kgAt least 1000 repeated winding/unwinding cycles. |
| Tether dielectric strength | ≥3500 Vdc; no breakdownOne-minute test. |
| Tether optical integration | Hybrid optical/electrical cable containing two single-mode optical fibersOptical-fiber communication is optional. |
| Tether length | Standard: 220 m; optional: 330 mStandard length occupies four winding layers in the box; optional length occupies six layers. |
| Tether diameter and linear mass | Outside diameter: 6.3 ± 0.1 mm; mass: 44 ± 1 g/m |
| Ground tether box input | 380 VAC ±10%Three-phase, five-wire supply at 50 Hz. |
| Ground tether box output voltage | 600-800 VdcAdjustable output; factory default is 800 Vdc. |
| Ground tether box output power | ≥22000 W continuous; ≥25000 W peakRated continuous output and peak output lasting at least 30 seconds, respectively. |
| Tether winding speed and tension | Speed: 0-3 m/s; retraction tension: 0-20 NAdjustable in steps. |
| Ground tether box connections | Aviation-plug input; locking LP20 aviation tether output; optional FC optical-fiber connectorFC optical-fiber connector is optional. |
| Ground tether box controls | AC switch, high-voltage on/off button, emergency-operation button and backup-power switch |
| Ground tether box enclosure | IPx4; 600 × 570 × 460 ±0.5 mm; 54 ±0.5 kgDimensions exclude feet and external accessories; mass excludes the tether cable. |
| Ambient operating temperature | -20 to 45 °COperating. |
| Ambient storage temperature | -40 to 65 °CStorage. |
| Operating relative humidity | 10 to 80% RHOperating. |
| Storage relative humidity | 5 to 90% RHStorage. |
| Environmental altitude limit | ≤3000 m |
| Transport case dimensions | 850 × 740 × 600 ±5 mmWheeled flight case; dimensions exclude wheels. |
| Packed mass and listed contents | 115 ±5 kgIncludes the tether box, onboard power supply, accessories and documentation. |
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