Bulls Bridge Power Station

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Bulls Bridge Power Station
Bulls Bridge CCGT Power Station.jpg
Bulls Bridge OCGT
Bulls Bridge Power Station
CountryEngland
Location Greater London
Coordinates 51°30′07″N0°24′32″W / 51.50200°N 0.40900°W / 51.50200; -0.40900
StatusDecommissioned and demolished
Commission date June 1981
Decommission date1993
Owner(s) Central Electricity Generating Board
(1980–1990)
Powergen
(1990–1993)
Operator(s)As owner
Thermal power station
Primary fuelGas oil
Chimneys1
Power generation
Units operational4 × 70 MW
Make and modelRolls-Royce Olympus gas turbine
Units decommissionedAll
Nameplate capacity 280 MW
Annual net output 4.697 GWh (1985/6)
External links
Commons Related media on Commons
[ edit on Wikidata]

grid reference TQ104793

Bulls Bridge Power Station was a 280 MW open-cycle gas-turbine power station at Bull's Bridge, Hayes in west London. It was decommissioned in 1993 and later demolished.

Contents

History

The station was built, owned and operated by the CEGB as a stand-alone open cycle GT station and was commissioned in June 1981 [1] but was later mothballed. It occupied a 25-acre (10 ha) site on either side of Yeading Brook, to the south of the Paddington main line and north of the Grand Union Canal, at its junction with the Paddington Arm.

Plant

It was built as a peak lopping and rapid response plant to augment base load generation. [2] It had a total generating capacity of 280 MW. [3] [4] It comprised four 70 MW generator sets each one being powered by four industrial Olympus gas generators, two at either end of the central alternator. [2] It was connected electrically to the North Hyde 66 kV substation. By 1989 the gross capability was given as 3 x 70 MW plus 1 x 35 MW. [1]

Bulls Bridge typically ran at full power for intervals of 10 minutes to 1 hour. [2] As a result of the UK miners' strike (1984–1985) the station was re-opened in the 1980s, [3] During the year ending 31 March 1986 Bulls Bridge supplied 4.697 GWh of electricity, it's thermal efficiency was 20.02 per cent, and the load factor was 0.5 per cent. [5]

Design

The design of Bulls Bridge power station was of sufficient merit that the Royal Institute of British Architects (RIBA) commissioned a set of photographs of the station. [6]

Monitoring

The operation of the gas turbines and the rest of the plant was closely monitored. Key operating parameters of the station's gas turbine engines were as follows.

Bulls Bridge gas turbine operating parameters [2]
Engine parameterWorking range
Low pressure spool speed6200 – 6500 rpm
High pressure spool speed7100 – 7700 rpm
Low pressure compressor exit temperature365 – 385 K
High pressure compressor exit temperature530 – 590 K
HP compressor exit pressure750 – 790 kPa
LP compressor exit pressure195 – 220 kPa
Power turbine entry pressure210 – 270 kPa
Power turbine entry temperature750 – 875 K
Fuel flow45 – 65 MW
Intake depression0 – 34.5 kPa
VibrationAll values

Closure

On privatisation, the station was owned and run by Powergen, and ceased generating in 1993. [3] The site has since been redeveloped and the station demolished. The western parcel of land is occupied by a British Airways engineering centre.

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References

  1. 1 2 Electricity Council (1989). Handbook of Electricity Supply Statistics 1989. London: Electricity Council. p. 8. ISBN   085188122X.
  2. 1 2 3 4 Addrison, K. N.; Hill, M. L. G. (1983). "Condition Monitoring at Bulls Bridge Power Station". Volume 5: Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; Process Industries. doi:10.1115/83-GT-144. ISBN   978-0-7918-7955-9.
  3. 1 2 3 "Table 3.7 - Generation Disconnections since 1991". Seven Year Statement. National Grid. 2009. Archived from the original on 8 May 2003. Retrieved 11 May 2009.
  4. ↑ "Electricity Generation". Hansard HC Deb 13 February 1978 vol 944 cc21-2. 13 February 1978.
  5. ↑ CEGB Statistical Yearbook, 1986, CEGB, London
  6. ↑ RIBA (1979). "Bulls Bridge Gas Turbine Power Station" . Retrieved 11 November 2023.
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