
Harmony Tshepong Shaft
Welkom Winder Services successfully designed, manufactured, supplied and commissioned a new 55kW Pump Starter system for Harmony Tshepong Shaft during 2017. The project formed part of the mine's electrical infrastructure upgrade programme to replace an older pump starter with a modern, reliable motor control solution capable of improving operational reliability, electrical protection and long-term maintainability. The new starter was engineered and manufactured to OEM standards, providing dependable performance for continuous underground mining operations while ensuring safe motor starting, enhanced protection and reduced maintenance requirements. The project involved the complete manufacture, supply and installation of the pump starter, with Welkom Winder Services completing the engineering design, panel manufacture, installation, wiring, testing, commissioning and final handover while ensuring full compliance with mining electrical standards and OEM requirements. The completed installation improved equipment reliability, simplified maintenance procedures and enhanced protection of the pump motor against electrical faults.
Older pump starter required replacement with a modern, reliable motor control solution to improve operational reliability, electrical protection and long-term maintainability
Engineered and manufactured a new 55kW Pump Starter to OEM standards, completed installation, wiring, testing, commissioning and final handover while ensuring full compliance with mining electrical standards
Improved equipment reliability, simplified maintenance procedures and enhanced protection of the pump motor against electrical faults
A 55kW Pump Starter is an industrial motor control system specifically designed to safely start, protect and control medium-sized electric pump motors operating in demanding mining environments. Rather than applying full electrical current instantaneously, a properly engineered pump starter manages motor operation through integrated protection devices, motor control components and electrical safety systems. The starter provides protection against overloads, short circuits, phase failure, voltage fluctuations and other electrical abnormalities that could damage the motor or interrupt production. Modern pump starter systems improve operational reliability, reduce maintenance costs and extend equipment life while ensuring safe and efficient pump operation throughout the mining process.



Advanced protection against overloads, short circuits, phase failure and voltage fluctuations.
Modern motor control technology improves long-term system reliability.
Integrated safety systems protect personnel and equipment.
Simplified maintenance procedures lower ongoing operational costs.
Dependable performance for continuous underground mining operations.
Designed and manufactured in accordance with recognised OEM and mining standards.
Extended equipment lifespan through proper motor control and protection.
Enhanced motor control supports efficient pump operation and energy management.