Power Station
| Blaydon Burn Power Station | |
|---|---|
| Country | England |
| Location | Tyne and Wear, North East England |
| Coordinates | 54°57′43″N 1°43′44″W / 54.962°N 1.729°W / 54.962; -1.729 (Blaydon Burn Power Station) |
| Commission date | 1904 |
| Decommission date | 1959 |
| Operator(s) | Priestman Power Company (1904-1914) Newcastle upon Tyne Electric Supply Company (1914-1948) British Electricity Authority (1948-1955) Central Electricity Authority (1955-1957) Central Electricity Generating Board (1957-1959) |
| Power station | |
| Primary fuel | Waste heat |
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grid reference NZ165622 |
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The power station was constructed in 1904 to utilise waste heat produced by the coke ovens. The heat was piped from the coke ovens to under four land-type Babcock and Wilcox boilers, each with 500 HP capacity. The boilers supplied steam for two 275 kilowatt (kW) Parsons three phase turbo alternators. At the time of opening, this generating equipment was of the latest and best design. The alternators produced a current of 6,000 volts. The electricity generated by the station was initially used as a power supply for the coal mine, but the Priestman Power Company was bought by the Newcastle-upon-Tyne Electric Supply Company in 1914, meaning the electricity was also used to power the rest of the county, using the County Durham distribution system.
Feed water for the boilers was taken from the Blaydon Burn, upon which the station was built. However, there wasn't a sufficient amount of water available for condensing purposes as well, and so the condensing water needed to be used over and over again. This necessitated the construction of a cooling tower and reservoir.
The station's boiler house and turbine hall were of a steel framed construction, with corrugated iron cladding. The advantage of this type of construction is that if the coke ovens were to be abandoned, the station could be deconstructed and re-erected somewhere else at a minimal cost.
In 1916, the station's generating equipment was replaced by a 3,000 kW Parsons generating set. This was the first generating set in the world to use reheated steam between stages in its turbines, and to progressively heat feed-water using partially expanded steam. In 1919 the station was further modified, becoming the first station in the world to use an enclosed ventilating circuit for the alternator with a gilled-tube cooler for extracting the heat from the ventilating air, which overcame problems caused by dust and moisture getting into the windings. When the UK's national grid distribution system was brought into use in 1932, the station was one of a small number of stations in the region to be converted from the 40 hertz (Hz) frequency used by the North Eastern grid system to the 50 Hz frequency used by the national system. The station ceased operating in 1959. Reclamation of the coke works began in the 1970s and the area has now been returned to grassland. An electrical substation still stands near the site.
Read more about this topic: Ottovale Coke Works
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