FIELD: chemistry.
SUBSTANCE: invention can be used for automatic adjustment of pH value of circulating water of cooling loop of electric generator stator of steam turbine. Present invention consists in changing supply of alkali in circulation water is circulation line after filter through a dosing cistern with adjusting valve on suction of circulation pump, specific conductivity is measured in sample circulating water to entrance to stator winding with functional relationship with concentration of dosed alkali and pH of circulation water, which is used in structure of automatic control system for design of determining lower and upper limits of values of electrical conductivity to generate command for opening or closing adjusting valve on recirculation line.
EFFECT: technical result is possibility of maintaining high accuracy of specified value of pH of circulation water circuit of electric generator stator cooling of steam turbine.
1 cl, 1 dwg, 2 tbl
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