IMPROVING THE RELIABILITY OF OPERATION OF THE COMPLEX OF STRUCTURES OF THE KUYGANYAR HYDRAULIC UNIT
Аннотация
The article is devoted to the issues of assessing the reliability and safety of the hydraulic system located on the Karadarya River in the Andijan region of the Republic of Uzbekistan. The results of actual measurements and their comparisons with the requirements for hydropower facilities according to the technical design and current standards building codes and rules (BCR) are presented such key indicators as: maximum and minimum costs, marks of water horizons, marks of the bottom of the inlet and outlet riverbeds; stock of the top of dams and structures over forced water horizons; stability of slopes and the integrity of their fastening in normal and forced operating conditions; siltation of the supply channel and erosion of the bottom of the river behind the shield dam; filtration strength of the soil of the base of structures; vertical precipitation and horizontal displacement of parts of structures; the integrity of concrete elements (bulls, foundations, apron walls, ponuros, etc.); condition of shutters, lifting mechanisms, gate position sensors (ДПЗ-500) and water levels (WL); conducting routine tests of electric motors, transformers, power and lighting wires for compliance with POC and PTS. Recommendations are given for the safe operation of the Kuyganyar hydroelectric complex.
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