HVPDU
HVPDU
HVPDU
HVPDU

HVPDU

High voltage power distribution unit system for EVTOL.

The HVPDU is a high voltage power distribution solution developed by Ocellott to manage high voltage systems for eVTOL, designed to ensure safety, flexibility, and efficiency in high voltage applications for the whole product life cycle.
With advanced protection algorithms and programmable logic, the HVPDU adapts to various power supply conditions. It supports FPGA or DSP-based control, offering flexibility and reliability.


Built with advanced composite materials, the HVPDU meets IEC 60664-1 standards for creepage and clearance. It features aerospace-grade connectors (according to MIL-DTL) and is designed for passive cooling, depending on customer requirements.

 On-wing validation for efficiency and reliability

HVPDU Description

  • Design phase: Specify the HV design aspects in the products, standard works and design guidelines
  • Test and verification: Verification of HV components and functionalities
  • Documentation and operation: Clear instructions for installation and operation
  • Maintenance: Guidelines for maintenance of HV equipment and additional safety measures
  • Safety assessment: Includes the HV aspects in the standard safety assessment process
  • Operating voltage up to 1000V and current up to 400A
  • Wide temperature range: -45°C to 70°C
  • Programmable protection: curves, thresholds, and more 
  • Capability to develop for DAL A or DAL B
  • Integration with SSPC (Solid State Power Controller)
  • Use of SiC MOSFETs for improved efficiency
  • Extensive component-level testing available
  • High efficiency & robustness with SiC MOSFET technology
  • Enhanced safety through programmable, customizable protection curves
  • Scalable integration across next-gen aerospace and defense platforms
  • Future-proof design compliant with strict DAL A/B requirements
  • Reliable operation under harsh temperature and mission profiles

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