Paul Kerefu Email & Phone Number

Dar Es Salaam, Tanzania

Dar Es Salaam, Tanzania

Kinondoni South, Dar Es Salaam

Nkurumah Street,Dar Es Salaam, Tanzania

Electrical power installation to a proposed office building by LATRA(Sumatra)

Ubungo, Dar Es Salaam

TANESCO-head officeTransmission and Substation Main duties:1. Workshop department• On hand experience switching operations & Maintenance of MV/LV substation.• Repaired failures of substation breakers, transformers and other equipment.• Installation of MV/LV power transformers & commissioning. • Performed transformer tests including oil tests and filtration.2. Protection and control system department• Troubleshooting of control and protection scheme• Preventive maintenance of protective relays to ensure their proper functionality• Keeping records of test results• To carry out emergency work and repair• Installation and commissioning works• To check healthiness of a DC supply• To observe safety rules during troubleshooting and maintenance works

Dar Es Salaam, Tanzania

ALAF Ltd (Aluminium Africa Limited) Maintenance-MCL department Main duties:• Maintained and repaired industrial machines, lighting and electrical systems.• Operational knowledge of PLC functions and programming as well as VFD and its controls.• Installed power distribution systems for new machines.• Ensured the reliable operation of heating(furnace), inductor port and ventilation.• Replaced faulty relays, switches, motor, drives, contactors and positions sensing devices.• Performed routine maintenance on compressors, motor pumps, various AC/DC motors, and hydraulic/pneumatic position sensing devices.• Installed power supply wiring and conduit for newly installed machines and equipment.• Hoist and crane repair and inspection• Performs various welding and fabrication activities.• Terminated instruments such as pressure transmitters, flow transmitters, and temp transmitters.