Transformer oil replacement and electrical network maintenance for a food manufacturing facility

Outcome

A major food manufacturing facility improved the reliability and longevity of its electrical distribution network through a planned transformer oil replacement and electrical maintenance programme.

Power Testing, a MARCH company, completed transformer maintenance, HV and LV asset inspections, protection testing and network maintenance during a single shutdown period, maximising the value of the outage while returning the site to service ahead of schedule.

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Key Results

Transformer oil successfully replaced
1,000 litres of mineral oil safely managed
HV circuit breaker maintenance completed
LV switchboard and ACB maintenance completed
Protection testing carried out across HV and LV systems
Site returned to service ahead of schedule
Zero incidents recorded throughout delivery
Multiple maintenance activities completed within a single outage

Challenge

Following a failed oil sample, the customer required a complete oil replacement on Transformer B.

The works needed to be delivered during a planned outage within a live 24/7 food manufacturing environment where electrical reliability was critical. The customer also wanted to maximise the shutdown window by completing additional HV and LV maintenance activities at the same time, reducing the need for future operational disruption.

Services Delivered

Transformer oil replacement
Transformer inspection and cleaning
HV circuit breaker maintenance
LV switchboard maintenance
Air circuit breaker (ACB) maintenance
Protection testing
Network switching and isolation
Temporary generation coordination
Electrical testing and recommissioning

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