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ELECTRIC, WITH AN EDGE
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ELECTRIC, WITH AN EDGE
If the distribution transformer is not installed properly, it will always emit transformer buzzing, resulting in transformer noise.
This article will analyze the transformer buzzing emitted by the two main types of transformers on the market: pad mounted transformer and dry-type transformer, and propose solutions.
Daelim is a transformer manufacturer with more than 16 years of production and operation. The transformers we design and produce perfectly exceed various industry indicators.
At the same time, we have professional installation teams in many places in North America to ensure that the transformers you buy will not emit buzzing , to help you reduce unnecessary complaints.
First, the dry-type transformer is repaired after power failure, including inspection of transformer fasteners, dust removal of transformers, etc.;
Secondly, the foundation of the dry-type transformer is reinforced or a shock isolation device is installed.
Finally, the weak points of the power distribution room are reinforced for sound insulation, the ordinary windows are changed to sound-absorbing ventilation windows (considering the heat dissipation requirements of the power distribution room), and the ordinary iron doors or aluminum alloy doors are changed to wooden fireproof soundproof doors or metal soundproof doors.
Under normal circumstances, after the above treatment, the noise of the transformer in the distribution room can basically meet the requirements of the industry standard, but considering the strong penetration of the low-frequency noise of the dry-type transformer.
If the conditions allow, the inside of the distribution room can also To be sound-absorbing treatment, which can attenuate the energy of the noise.
First of all, at the beginning of the design, the noise of the transformer in this type of power distribution room should be considered, and the power distribution room should be placed as far away from the house as possible;
Secondly, the foundation of the dry-type transformer should be reinforced as much as possible, so that the amplification of the transformer vibration can be suppressed, or the transformer can be equipped with a shock absorber;
Finally, try to keep the weak points of sound insulation such as doors and windows of the power distribution room away from the main body of the house.
If it is unavoidable, design the doors and windows of the power distribution room as soundproof doors and windows.
First of all, the maintenance of the pad mounted transformer after the power failure, including replacing the old transformer oil, checking the fasteners of the pad mounted transformer, and dedusting the transformer, etc.;
Secondly, reinforce the foundation of the pad mounted transformer or install the vibration isolation device.
The vibration isolation device can choose rubber pads or spring shock absorbers according to the degree of vibration;
Finally, since the shell of the pad mounted transformer is relatively thin, it is difficult to reinforce the sound insulation of the shell, and the location space is small, so the noise control method of the pad mounted transformer is to add a noise barrier or a noise cover on the outside of the transformer.
Under normal circumstances, after the above treatment, the noise of the pad mounted transformer can basically meet the requirements of the industry.
If it is a soundproof cover, the heat dissipation problem of the box transformer needs to be considered, and an air inlet system and an air exhaust system are generally required.
First of all, it is necessary to consider the possible noise problems of this type of pad mounted transformer in the early stage of design, and try to place the pad mounted transformer at a position far away from the body of the house;
Secondly, the foundation of the transformer in the pad mounted transformer should be reinforced as much as possible, so that the amplification of the transformer vibration can be suppressed, or the transformer can be equipped with a shock absorber;
Finally, if it is unavoidable to be far away from the main body of the house, install a noise barrier on the sensitive side of the pad mounted transformer.
If the noise barrier cannot isolate the noise in the future, consider adding a noise cover to the pad mounted transformer to suppress the noise.
First, block the vibration of the padmounted transformer, including carrying out the low-voltage outlet busbar of the padmounted transformer, tightening the transformer fasteners, separating the outer shell of the padmounted transformer from the transformer body, and adding rubber pads or reducing power to the bottom of the padmounted transformer. vibrator, grounding flat iron is changed to grounding braid, etc.;
Secondly, if the power distribution room needs to be soundproofed, sound insulation or sound-absorbing materials should be installed around the power distribution room to isolate and absorb noise energy.
First of all, at the beginning of the design, the noise of the basement power distribution room should be considered, and the power distribution room should be placed as far as possible from the location below the residential projection;
Secondly, the foundation of the padmounted transformer should be reinforced as much as possible, so that the amplification of the transformer vibration can be suppressed, or the transformer can be equipped with a shock absorber;
Finally, if it is unavoidable to stay away from the residential projection, the above-mentioned isolation measures should be carried out on the transformer to eliminate the generation of such noise complaints.
Through different types of power distribution methods, the transformer noise problem is comprehensively treated and analyzed, and the targeted treatment plan and prevention plan are obtained.
If you encounter similar problems (noise complaints), you can refer to the process and methods described in this article, which can more effectively solve the problem of noise disturbance.
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What is sbi crypto mining? sbi crypto mining is a division of Japan’s SBI Holdings
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