高压并联电抗器噪声影响因素及其控制措施研究

文中针对变电站高压并联电抗器噪声对环境的影响问题及其控制要求,通过实验研究了高压并联电抗器噪声的影响因素及其控制措施.文中采用改进声强法实测了湖北省内15座变电站37组共111台500 kV高压并联电抗器声功率级,并对其进行了分析.测试结果表明,随着运行年限的增加,电抗器最大声功率级逐步增大.由于设备额定容量与额定电压...

Study on Noise Influencing Factor and Control Measures of High Voltage Shunt Reactor

In view of the noise influence of high voltage shunt reactor on environment and its control re?quirements at high voltage substation,the influence factor and control measures of the noise of high voltage shunt reactor is studied by experiment.In this paper,the sound power levels of 111units of 500 kV high voltage shunt reactors in 37 groups of 15 substations in Hubei Province are actually measured by the im?proved sound intensity method and analysis is performed.Ii is show by the test result that the maximum acoustic power level of the reactor increases gradually with the increase of operation life.Since the increase of rated capacity and voltage of equipment,new insulation materials and design schemes will play a role in reducing vibration and noise to a certain extent.At the same time,adoption of surrounding arrangement of radiator of the reactor can also achieve the noise control.In view of noise control of high voltage reactor,the corresponding control measures from such aspects as sound source control and propagation process control is proposed in this paper.The sound source is controlled mainly by improving material and design.The noise reduction treatment of certain 500 kV substation is taken as an example;the dissemination process control takes the noise reduction treatment of a 500 kV substation as an example.Taking the noise reduc?tion treatment of a 500 kV substation as an example,a noise barrier control scheme is proposed by the use of Sound PLAN noise analysis software to reduce the average noise pressure level by about 6 dB(A),so as to meet the requirements of noise control.The study content of this paper is of great significance for guiding the design of substation and noise reduction.