A number of ongoing reliability issues associated to the pumps, motors and gearboxes of the main cooling water system posed a significant risk to the commercial operation of the Marchwood gas-fired combined cycle power plant.The aim was to improve the control and reliability of the gas-fired combined cycle power station.

Marchwood is a 840MW CCGT power station owned by Marchwood Power Ltd, a 50:50 joint venture between SSE and ESB international. All of the electricity at the plant is sold under contract to SSE. Marchwood began operating in December 2009 and is one of the most efficient gas-fired power stations in the UK.

• Installation of three 2.5 MW SINAMICS PERFECT HARMONY GH180 Drives
• Installation of three 10-pole 2.1 MW SIMOTICS HV Motors
• Removal of the existing motors and gearboxes
• Installation and commissioning on-site
• Integration into the existing DCS control system

Marchwood is a 840MW CCGT power station owned by Marchwood Power Ltd, a 50:50 joint venture between SSE and ESB international. All of the electricity at the plant is sold under contract to SSE. Marchwood began operating in December 2009 and is one of the most efficient gas-fired power stations in the UK.