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The use of transformers still needs to be paid attention to, as electrical equipment undoubtedly has safety problems, such as fire or machine caused by misoperation, as well as leakage and oil leakage caused by untimely detection and maintenance, so it is necessary to strictly implement the correct operation standards, as well as strengthen daily maintenance.
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transformer hazards;
Not only for transformers and other power facilities, not to mention the high-voltage lines on those towers, but also those around us.
The voltage level of the roadside transformer and power line is generally 10kv, and the safety distance is when the 10kv equipment is not powered off.
When a single-phase grounding fault occurs outdoors (generally the wire is on the ground, or you look at the sparks on the ground), it is not allowed to approach the fault point 8m.
Generally speaking, outdoor transformers will be fenced or hung high on power poles, and the distance will far exceed the safe distance, and will not pose any danger to pedestrians.
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Oil-immersed transformers mainly rely on transformer oil to cool and insulate, the new transformer design itself has a protection device, and it will not fail in the case of routine maintenance and use, but if the oil tank leaks, resulting in less transformer oil, the two functions of insulation and cooling will be lost at the same time, and then the transformer will be scrapped, the insulation function will be lost, and the coil will be burned, and the high temperature is the same. The dry-type transformer relies on a cooling fan to cool, and if the thermostat fails, a high temperature will occur, and the self-protection function will cause the transformer to trip automatically. Oil-immersed transformers can be fatal if they are struck by lightning when placed outdoors.
Dry-type transformers are placed indoors and have no external causes, so they usually do not fail, but problems can occur when the temperature sensor and temperature controller fail.
Our company often uses the transformer of Minrong Electric, they do quite well in the safety protection measures of the transformer, our company will also consult the experts of Minrong Electric for the problem of non-quality failure of the transformer, it is still very good, sometimes through their display page can also find a lot of transformers, knowledge and skills of other electrical appliances, you are worried about safety problems can be more to understand and ask, I hope to alleviate your worries.
Also, the most dangerous thing is to set off the cannon, that is, the bushing bursts, which may cause a fire or fire, because there is a large amount of transformer oil inside the general oil-immersed transformer. Secondly, there is a possibility of internal insulation breakdown, creepage, etc., which must be repaired. In addition, there is internal discharge, which can lead to the occurrence of the second type of accident.
If the oil tank leaks, it will pollute the environment, and if the internal oil is not enough, a short circuit will occur, etc.
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Safety issues are divided into personal safety and equipment safety, as long as the transformer is used correctly according to the regulations, the equipment safety can be guaranteed, and finally personal safety, as long as it is not a man-made risk factor, it is no problem.
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