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Bolton Greater Manchester

Installation, build-up & commissioning of 1 x 15/23MVA transformer.

Client:
Undisclosed

Bolton, Greater Manchester

Scope of work

Design, manufacture and testing of 1 x 15/23MVA, 33/11kV transformer.
Delivery, install & build-up of new 15/23MVA transformer, which was skidded into position and cooler bank built up via HIAB

Full in-house routine & partial discharge testing.

Full commissioning works as per the customers specification which includes;

Insulation resistance of each winding
Core & secondary circuits
Transformer ratio check
Vector group check by 3 phase low voltage energization of transformer
Checks on all CTs & VTs for insulation resistance
Ratio & magnetization curves
Operation of tapchanger through range & operation of limit switches
Operation of protection equipment
Oil sampling for routine
Water & dissolve gas analysis

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