In recent years, the economy has developed rapidly, the construction of power grids has accelerated, and transformers have been widely used in various types of buildings. Due to the scarcity of land resources, public facilities such as power distribution rooms are often built in the basement of high-rise residential buildings. The demand for transformer noise control is highlighted. Although the noise intensity of transformers is not large, it will affect human health and cause potential safety hazards. Transformer noise pollution is quietly affecting residential quarters, commercial centers, enterprises, hospitals, schools and other places. So, how can we solve the transformer noise pollution?
Transformer noise is affected by the combination of internal and external factors. Hanks sound insulation takes into account the safety of equipment, and mainly achieves the purpose of reducing noise by controlling external factors.
Influencing factor
1. Transformer casing, fan and other components generate vibration
2. The equipment is unstable to install, and the vibration noise during the operation is amplified.
3. Noise problems caused by unreasonable scale and structure of underground power distribution rooms
Transformer noise characteristics
The low-frequency noise of the transformer has strong penetrating power and slow attenuation. The propagation distance is more than 30 meters, which mainly affects the indoor acoustic environment of the building 1-5. This type of noise can be irritating, and in the long run, there may even be headaches, tinnitus and other symptoms.
Transformer noise control method
Through scientific analysis, Hanks Soundproofing aims to provide 35dB of the standard “Indoor Noise Emission Limitation for Structure Propagation and Fixation Equipment†in the national Class 1 area at night, and proposes the following measures:
1 ordinary doors and windows of the power distribution room, replaced with soundproof windows and doors;
2 Install damping dampers at each corner of the transformer base to reduce the propagation path of vibration through the floor;
3 Add a soft contact copper bar at the connection between the busbar and the transformer.