S(F)Z9 Series 110kV-class three-phase power transformer

Detailed Product Description

    110kV-class three-phase double-winding 9 OLTC transformers, the use of three-phase three-column core and columns, such as conjugate-section, using high-quality cold-rolled grain-oriented silicon steel sheet, 45 ° oblique joints, non-piercing, semi - dry glass banding tape. The use of high-quality oxygen-free copper wire coil, coil structure of advanced, line-oriented cooling, heat dissipation, and the coil by the upper and lower pieces of the support folder. High-pressure side of the use of capacitive oilpaper Sealed casing, high pressure casing elevated seat in accordance with user requirements can be equipped with current transformers for measurement and protection. Transformer oil from a drawer equipped with anti-aging oil divide, the ends of the oil level gauge with pointer to facilitate observation of the oil reservoir inside surface height, when the oil surface height above or below the oil surface, the oil level of contact alarm device can turn-on. Transformers and OLTC oil separate, each equipped with a gas pipe connected relays, relays gas when the gas reaches a certain, contact closure alarm. Transformer tank equipped with a pressure release valve at the top, when the tank pressure increased to 55kPa, the contact closure alarm and pressure release valve automatically opens when the tank pressure dropped to 29.5k automatically turn off when Pa. Thermal performance of cooling devices using well-type radiator, and radiator side with low wind noise fans, to ensure that the transformer in a full load in the safe operation of the load. Coil in order to improve stability, has also taken a lot of effective measures. Satisfied GB/T6451-2008 Products of this type of performance parameters. Therefore this type of product with low loss, good stability, high reliability, it applies to 110kV class transmission and distribution lines, high practical value.