HMS PRINCE OF WALES POWERS AHEAD
Fri, 06 November 2015
The Aircraft Carrier Alliance has successfully completed the installation of the second MT30 Gas Turbine Alternator (GTA) into the Royal Navy’s latest aircraft carrier HMS PRINCE OF WALES, at Rosyth. Generating 36 megawatts (around 50,000 horsepower), the Rolls-Royce MT30 is the world’s most power-dense Marine Gas Turbine, a key feature for naval ships where high power occupying minimum space is essential. Each 120 tonne GTA package consists of a GE supplied alternator coupled to a Rolls-Royce supplied MT30 Gas Turbine contained within an enclosure.
Two MT30s, the first of which was installed in March, are installed in each ship and will provide two thirds of the 109 megawatts needed to power the 65,000 tonne ships – enough energy to power a town the size of Swindon.
Angus Holt, Delivery Director, HMS PRINCE OF WALES, said: “It was only three weeks ago that the Aircraft Carrier Alliance achieved a UK record when 26,500t of the forward half of the ship was mechanically skidded back to the rear of the vessel. Now to have successfully lifted, for the second time, the most powerful engine in the Royal Navy onto the biggest ship ever built for the Royal Navy, using one of the biggest capacity gantry cranes in Europe, symbolises the scale and pace at which the programme is moving. Everyone involved should take huge pride in their contribution to this national endeavour.”
Don Roussinos, Rolls-Royce, President – Naval, said: “The installation of the second MT30 for HMS PRINCE OF WALES marks yet another significant milestone in the Queen Elizabeth Class programme. These aircraft carriers will be the backbone of the Royal Navy’s capability for decades to come and we’re proud to be working alongside such a strong team in the Power & Propulsion sub Alliance, as these highly capable ships get closer to entering service.
“We are delighted to continue that long and proud history of delivering advanced marine gas turbine and propulsion technology to the Royal Navy.”
The installation involved the lifting of the MT30 gas turbine and associated ancillary equipment housed in a steel package known as the gas turbine enclosure onto the ship structure. With the enclosure in place, the large alternator, which is driven by the gas turbine to produce electrical power, was then hoisted into place. Once operational, the GTAs will supply HV power to the four propulsion motors as well as the 13 ship service transformers. These transformers distribute LV power to the weapons systems, mission systems equipment and navigation systems, as well as power to the hotel services required to run the QE Class.
The aircraft carriers HMS QUEEN ELIZABETH and HMS PRINCE OF WALES are being delivered by the Aircraft Carrier Alliance, a partnering relationship between BAE Systems, Thales UK, Babcock and the Ministry of Defence.
The Queen Elizabeth Class will be the centrepiece of Britain’s defence capability for the 21st century. Each 65,000-tonne aircraft carrier will provide the armed forces with a four-acre military operating base, which can travel up to 500 miles per day to be deployed anywhere around the world. Operating the Joint Strike Fighter Lightning II jets and a number of types of helicopter, the QE Class will be versatile enough to be used across the full spectrum of military activity from warfighting to providing humanitarian aid and disaster relief.
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