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Outdoor complete switchgear (KRUN) of the K-59 series
KRUN of the K-59 series is designed for receiving and distributing electrical energy of three-phase alternating current with an industrial frequency of 50 Hz at a rated voltage of 6 and 10 kV, and for outfitting 6 and 10 kV distribution units of substations, including complete transformer substations of 35/6-10 kV, 110/6-10 kV, and 110/35/6-10 kV.
Installation of K-59 series KRUN is carried out on concrete sleepers and does not require any additional construction work. K-59 series KRUN complies with technical requirements, as well as safety and quality standards of the Organization Standard ST AO 990640000421-40-2018 and interstate standards GOST 14693-90, GOST 12.2.007.4-96 applicable in the Republic of Kazakhstan.
K-59 series KRUN units are certified for compliance with quality and safety requirements in the State System of Technical Regulation of the Republic of Kazakhstan at a wind speed of 15 m/s (wind pressure of 146 Pa), and in the absence of ice - at wind speeds up to 36 m/s (wind pressure up to 800 Pa).
Technical Specifications of KM-1KF Cabinets |
|
| Name | Values |
|---|---|
| Highest operating voltage, kV | 7,2; 12 |
| Rated voltage, kV | 6,0; 10,0 |
| Type of cabinets used in KRUN (main) | K104 and KM-1KF series switchgear cabinets |
| Rated current of main circuits of cabinets used in KRUN, A | 630; 1000; 1250; 1600; 2000; 2500; 3150 |
| Rated current of busbars, A | up to 3150 |
| Insulation of live parts | Air, with uninsulated busbars |
| Maintenance conditions | Double-sided, with control corridor |
| Type of high-voltage line connections | Cable, overhead (air) |
| Cabinet control type | Local, remote |
| Climatic execution and placement category according to GOST 15150-69 and GOST 15543.1-89 |
U1 - with partial thermal insulation; HL1 - with reinforced thermal insulation |
| Protection degree of electrical equipment enclosure in KRUN according to GOST 14254-96 | Not less than IP30 |