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From the perspective of noise disturbance and health threats, transformer noise control is particularly necessary. In the general transformer noise-affected area, the noise value of residents' homes is 30-40 decibels, and in severe cases, there is a slight earthquake. Hanks sound insulation transformer noise reduction and shock absorption, covering one-stop service of on-site measurement, production installation and after-sales maintenance.
Transformer noise formation
The transformer noise mainly comes from the three parts of the winding, the core and the cooler. The current generated by the electric current through the winding causes the transformer parts to vibrate; the iron core is subjected to the alternating vibration of the device to form a regular vibration. In general, transformer noise includes mechanical noise generated by vibration of equipment components and air noise generated by operation of the cooler. The treatment can be distinguished according to the different propagation characteristics of the two noises, mainly the sound insulation and damping means.
Transformer noise reduction and damping measures
1. The metal damping damper is installed in the middle layer of the transformer and the ground to buffer the sound wave transmission;
2. The rigid connection of the transformer components is changed to a soft connection to suppress the vibration from propagating through the solid structure while avoiding resonance to form secondary noise;
3. A sound insulation barrier with a reasonable height and thickness is placed around the open-air transformer to form an acoustic shadow area to reduce the noise impact;
4, indoor transformers can choose the sound insulation of the machine room wall, the ventilator is installed with muffler and other means.
Transformer noise reduction and shock absorption effect
1. Basically eliminate indoor noise, and achieve almost no effect of transformer noise.
2. The objective measurement value reaches 30 dB of the national environmental protection Class 1 regional noise standard.
3. The noise reduction effect is effective for a long time without secondary construction.
Hanks Soundproofing designs transformer noise reduction solutions based on refined field data analysis. Construction products are available at different price points to meet different levels of noise reduction requirements. Detailed service details can be communicated by call.