MEDIUM VOLTAGE INFRASTRUCTURE & TESTING

MEDIUM VOLTAGE INFRASTRUCTURE & TESTING

The team provides specialised services for the maintenance, testing, commissioning and installation of medium voltage infrastructure supporting the safe and reliable operation of electrical networks
Our MV infrastructure services include:
  • Scheduled major and minor servicing of transformers, switchgear and circuit breakers in line with preventative maintenance plans
  • Emergency call outs, fault finding and repairs across medium voltage infrastructure
  • Transformer oil sampling, draining and refilling, leak repairs and tap changer mechanism maintenance
  • Installation of transformers up to 40MVA
  • Testing of transformers, switchgear and circuit breakers including pressure testing, ductor testing, transformer turns ratio testing, infrared scanning and partial discharge testing
  • Primary and secondary injection testing, protection relay testing and protection settings calculations
  • Supply and installation of protection relays and associated equipment
  • Cable fault location, pressure testing, cable jointing and termination for cables up to 300mm² 33kV including XLPE and PILC
  • BTU testing and new installations
  • Installation and commissioning of new medium voltage substations
  • Installation of primary and secondary plant
MEDIUM VOLTAGE INFRASTRUCTURE & TESTING – SELECTED PROJECT EXPERIENCE
  • MV infrastructure projects – eThekwini Municipality
  • MV infrastructure projects – Department of Correctional Services
  • MV infrastructure projects - Vumani Civils