He' Nan Chineng Electric Power Equipment Co., Ltd
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Introduction of oil-immersed on-load voltage regulator transformer
Feb 28,2025
Oil-immersed on-load voltage regulator transformer is one of the core equipment in the power system, which plays a pivotal role in the transmission and distribution process. The following is a detailed introduction to the characteristics of oil-immersed on-load voltage regulator transformer, working principle and application.
First, the characteristics of oil-immersed on-load voltage regulator transformer
1. structural characteristics: oil-immersed voltage-regulating transformer using oil-immersed insulation structure, with good insulation and heat dissipation performance. Its iron core and winding immersed in insulating oil, can effectively reduce the possibility of partial discharge.
2. on-load voltage regulation function: the transformer has on-load voltage regulation function, can be in the running process of voltage continuous adjustment, in order to meet the different loads on the voltage demand.
Second, the working principle of oil-immersed on-load voltage regulator transformer
Oil-immersed on-load voltage regulator transformer by changing the number of turns in the high-voltage winding to achieve voltage regulation. When the load changes, through the on-load tap-changer automatically switch the number of turns in the high-voltage winding, thus changing the output voltage. At the same time, the insulating oil inside the transformer plays the role of cooling and insulation to ensure the normal operation of the transformer.
Third, the application of oil-immersed on-load voltage regulator transformer
1. widely used: oil-immersed on-load voltage regulating transformer is widely used in power systems for power transmission, distribution and power supply of large equipment.
2. obvious advantages: in the area of power load fluctuation, oil-immersed on-load voltage regulator transformer can automatically adjust the voltage, keep the voltage stable and improve the quality of power supply.
3. maintenance: to ensure the normal operation of oil-immersed on-load voltage regulator transformer, regular maintenance is required, including checking the oil level, oil temperature, winding, etc., to ensure that the transformer's insulation and operational performance.
Fourth, the summary
Oil-immersed load-regulating transformer is one of the important equipment in the power system, with oil-immersed insulation structure and load-regulating function. Its working principle is to achieve voltage regulation by changing the number of turns in the high-voltage winding. The transformer is widely used in the power system, and can automatically adjust the voltage and keep the voltage stable. To ensure its normal operation, regular maintenance is required. With the continuous development of the power industry, the performance of oil-immersed on-load voltage regulator transformer will be further improved to provide more stable and reliable power supply for the power system.
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