HLF3K-D25-H800 3KW Lightweight Airborne High-Voltage DC/DC Power Converter
HLF3K-D25-H800 3KW High-Voltage DC/DC Power Converter for Tethered Drones
Overview
HLF3K-D25-H800 is a high-performance, high-density 3KW onboard DC/DC power converter specifically engineered for tethered drone systems. Serving as the core aerial power conversion unit, it efficiently transforms 680–800VDC high-voltage direct current from ground-based power equipment into the stable, adjustable 25VDC output required by drone onboard systems. Designed with military-grade reliability, exceptional efficiency, and comprehensive protection features, this product ensures continuous, stable, and safe power delivery for tethered drones during extended, high-power hovering operations.
Key Features
Purpose-Built for Tethered Systems: Optimized for high-voltage tethered power systems, enabling efficient and safe conversion from ground high-voltage to onboard low-voltage power.
Ultra-High Efficiency: Conversion efficiency ≥97%, significantly reducing energy loss during transmission and conversion, thereby extending overall system endurance.
High-Voltage Direct Connection: 680–800VDC wide input range, perfectly compatible with common high-voltage ground power sources for tethered drones.
Stable Output: Delivers clean, stable, and adjustable 25VDC power to critical equipment such as flight controllers, mission payloads, and communication links.
Comprehensive Protection: Features input under/over voltage protection, output under/over voltage protection, output overcurrent protection, overtemperature protection, and fuse protection to ensure absolute operational safety.
Intelligent Communication: Integrated CAN communication interface supports real-time status monitoring, fault diagnostics, and remote power management.
Rugged & Reliable Design: Incorporates anti-vibration rubber pads and efficient heat sinks. Compact dimensions (171×101×89mm) withstand continuous vibration and temperature fluctuations during flight.
Applications
Tethered Drone Systems: Provides core onboard power for long-endurance tethered drones used in security surveillance, emergency communication relays, battlefield reconnaissance, lighting, and similar applications.
Special Unmanned Platforms: Suitable for other unmanned equipment requiring continuous power from ground or platform-based sources.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | HLF3K-D25-H800 |
| Input Voltage | 680–800 VDC |
| Output Voltage | 25 VDC (Adjustable) |
| Output Power | 3000W (3KW) |
| Efficiency | ≥97% |
| Communication Interface | CAN 2.0 |
| Protection Features | Input UVP/OVP, Output UVP/OVP, Output OCP, Temperature Protection, Fuse |
| Cooling Method | Heat Sink (Passive/Air-cooled) |
| Vibration Resistance | Rubber Damping Pads |
| Dimensions (L×W×H) | 171 × 101 × 89 mm |
| Operating Temperature | -40°C to +55°C |
| Weight | 850g |
Why Choose the HLF3K-D25-H800?
✅ Purpose-Built for Tethered Systems – Optimized for harsh environments with high-voltage input and continuous operation, offering superior reliability.
✅ Energy Conversion Expert – ≥97% efficiency ensures every watt is effectively utilized for flight and mission tasks.
✅ Aerial Power Manager – CAN communication enables intelligent management and real-time power status monitoring.
✅ Guardian of Safe Flight – Multi-layer electrical and thermal protection safeguards extended aerial missions.
✅ Compact & Powerful – High power-density design delivers robust power within strict space and weight constraints.
Ordering & Support
For detailed technical documentation, customization requests, or pricing information, please contact our sales team and provide the product model: HLF3K-D25-H800.
