High Voltage Partial Discharge Ltd (HVPD) is a market leading supplier of a complete range of On-line Partial Discharge (PD) Test Equipment, Services and Training. Our products are used worldwide by utilities and industry to assess the insulation condition of their MV and HV Plant in the voltage range from 3.3kV up to 500kV. HVPD`s PD Technologies enable reliable asset management of HV and MV plant including Cables, Switchgear, Transformers, CTs/VTs and Rotating Machines.