Leningrad NPP

GENERAL INFORMATION

News

20 January 2011
Leningrad NPP: power unit No. 1 capacity has been reduced by 50 %
On January 19, 2011, at 10:50 p.m. the load of Leningrad NPP power unit No. 1 was reduced by 50 %, in accordance with the filed request, in order to find out the cause of lower insulation resistance of the first generator stator coil.

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Leningrad NPP is situated 80 km west of St.Petersburg on the southern shore of the Gulf of Finland, Baltic Sea. It consists of four 1000 MW units. The 1 st and 2nd units are situated 5 km south-west of Sosnovy Bor, the 3 rd and 4th ones – 2 km to the west.

Leningrad NPP is a bright example of an advanced industrial enterprise of the age of scientific-technical revolution.

Its unique image serves two main ideas: it is an organic part of plain nature and, at the same time, a typical model of a sophisticated industrial facility.

It is really grandiose: its main building is 1,200,000 m3 large, the reactor 56 m high, the façade over 400 m long.

The architecture is laconic and clear: everything is subservient to the technological process. The elegant, specifically silhouetted reactors constitute a vast impressive complex. The plant is as big as it is meaningful.

Technology is the domineering element: it cements the edifice giving it external finish and internal stability.

The pivot of the complex is the vertical line of the air chimney – it gives the complex peculiarity you will never forget. But this plant is not only a piece of architecture. It is also a system of operating units. And everything here is well-adjusted and perfectly-trimmed. Each sub-system has its own specific structural module – but all together they make an optimum that serves maximum efficiency.

Special attention is given to the multiple forced circulation facilities – the technological and architectural basis of an NPP with RBMK reactors.

This is a product of high architectural intelligence and effective functional mentality, a model for all future RBMK NPPs.

If you look at the plant from the sea, it will appear as an elegant contrast of skyscraping vertical and far-stretching horizon.

The façade is really amazing, with a vast mosaic of colored glass shining brightly in the sun

The color palette ranges from light gray and white in the 1st and 2 nd units to bright blue of the 3rd and 4th units. This bright blue spots are meant to give the reactors a major sounding against the tranquil accompaniment of the white-and-gray landscape.