a. The energy-saving box-variable with low noise, maintenance-free and high reliability is specially designed for the dense urban users.
The box variable is equipped with dry-type transformer developed and produced by our company, which adopts world-class production line (Germany Hedrich casting equipment, Italy LAE foil winding machine, Portugal M+ C calculation software, Belgium Sonnen automatic shear equipment, etc.), and high-quality silicon steel sheet with small hysteresis expansion is selected in the design. According to the magnetization characteristics of silicon steel sheet, reasonable design of magnetic density, to ensure that the transformer has excellent no-load loss and noise level performance, noise can be reduced from the national standard of 55dB to 48dB, reaching the noise level required by the urban residents living community. Following the SC (B) 9 series of products, in 2000 my company and developed the SCB10 series of products, the product no-load loss than the standard value of the 9-type average drop of more than 10%, partial discharge ≤ 5pc. In addition, my company on this basis of their own research and development of high-efficiency energy-saving amorphous alloy dry-type transformers, no-load loss decreased by 70% -80%, the no-load current decreased by 80% or so. 80% or so.
b. Box transformer with novel structure and outstanding heat dissipation performance.
The box-type substation box body design, manufacturing using the current domestic leading new technology, new technology. The top of the box is a metal double-layer structure, with heat insulation layer and ventilation channel, and a high-power fan is installed on the top of the transformer room to ensure good ventilation and heat dissipation during the working period of the transformer, and the opening and stopping of the ventilation device is self-controlled by the temperature monitoring device, and the setting value of the temperature is set at 80%~90% of the permissible temperature, and the temperature of the substation during normal operation is lower than that of the national standard by 5~8℃. Transformer room door is also equipped with safety isolation net door, the net door can be installed on the chain alarm device to prevent personnel from accidentally entering the charged interval area, can effectively guarantee the equipment and personal safety.
c. Box variable shell material variety, excellent protection performance.
The box body is divided into metal shell and non-metal shell according to the material. Metal shell material using high-quality cold-rolled steel plate, stainless steel plate, aluminum zinc plate, color steel composite panels and other materials, metal shell using the current domestic leading anti-corrosion technology, after acid washing and phosphating, anti-rust primer, spraying, to be cured after baking treatment, with long-term outdoor use conditions, to ensure anti-corrosion, waterproof performance, long service life, to ensure that the corrosion of 30 years. The non-metallic shell is made of reinforced glass fiber and special cement prefabricated as shell material, which has high mechanical strength, good impact resistance, not easy to conduct heat, and fire retardant properties. In addition, our company can according to the specific use of the box variable location for the user to design the appearance of the box variable, suitable for a variety of complex landscapes, so that it is harmoniously integrated with the surrounding environment, beautiful appearance.
d. Flexible operation, simple maintenance, high degree of automation
The box-type substation high and low voltage cabinet door, box door opening and closing flexibility, box locking and other structures have been specially designed by the relevant experts, opening flexible, can be used in the box substation foundation is not flat, poor environmental conditions, such as the use of harsh conditions. The box-type substation can adopt fully intelligent protection design, in which the high and low voltage side can meet the requirements of the power sector for distribution network automation, and can be set up in the central station of the computer on the box-type substation for the "four-remote" (telemetry, telecommunication, remote control, remote control) system management, the user only needs to be in the centralized substation control room can be remotely detected and controlled. The user only needs to be in the control room of the centralized substation to remotely detect and control.