乌鲁木齐变压器厂
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用GIT制造工艺
作者:乌鲁木齐变压器厂 日期:2018-07-24 人气:763
用GIT制造工艺
线圈绕制需要在洁净室内,要对其尺寸、匝数以及使用的绝缘材料加以监控,防止杂物混入。在绕线机上应有排除杂物的装置.加工后对线圈按一定收缩率加以紧固并检查其变形程度。铁心不应有毛刺存在。焊接时控制其变形,然后除去杂物,表面处理精加工.对绝缘垫块、管件、板件,按尺寸加工,磨边,使其光滑。对焊缝质量要求特别严.器身吊入箱壳前,要检查有关尺寸,清除杂物。装上真空有载分接开关,充入气体,要控制其露点温度。
例行试验项目有绕组直流电阻测定、绝缘电阻测定、电压比试验、阻抗电压测定及负载试验、空载试验、外施耐压试验、感应耐压试脸、长时耐压试脸、有级分接开关试验PD。型式试验项目有温升试验、冲击电压试验。特殊试验项目有噪声测定、零序阻杭测定、短路试验、绕组对大地间及匝间电容测定、过渡电压测定、固有振动频率测定、冷却风扇及送风机输入功率测定、空载谐波测定及介质损耗角正切测定、气体分析试验等。
Manufacturing process with the GIT distribution
Coil winding requires clean room, to its size, number of turns and the use of insulating materials to be monitored to prevent debris mixed. Should be excluded from the winding machine debris on the device. Processed by a certain shrinkage of the coil to be tightened and checked for deformation. Core should not have glitches exist. Control the welding deformation, and then remove the debris, surface finishing. For insulation pads, fittings, plates, according to the size of machining, milling, make it smooth. Particularly strict quality requirements of the weld. Lift the body into the tank shell before, to check the size, clear the debris. Fitted with a vacuum-load tap-filled with gas, to control the dew point temperature.
Routine test project winding DC resistance measurement, insulation resistance measurement, voltage ratio test, determination of impedance voltage and load test, load test, the applied voltage test, the sensor face pressure test, pressure test long face, a level tap-test PD. Temperature rise test project type test, impulse voltage test. Special pilot project with noise measurement, determination of the zero-sequence resistance Hangzhou, short-circuit test, between the earth and turns of the winding capacitance measured transition voltage measured natural vibration frequency of measurement, the cooling fan and blower input power determination, measurement and media load harmonic loss tangent measurement, gas analysis testing.
线圈绕制需要在洁净室内,要对其尺寸、匝数以及使用的绝缘材料加以监控,防止杂物混入。在绕线机上应有排除杂物的装置.加工后对线圈按一定收缩率加以紧固并检查其变形程度。铁心不应有毛刺存在。焊接时控制其变形,然后除去杂物,表面处理精加工.对绝缘垫块、管件、板件,按尺寸加工,磨边,使其光滑。对焊缝质量要求特别严.器身吊入箱壳前,要检查有关尺寸,清除杂物。装上真空有载分接开关,充入气体,要控制其露点温度。
例行试验项目有绕组直流电阻测定、绝缘电阻测定、电压比试验、阻抗电压测定及负载试验、空载试验、外施耐压试验、感应耐压试脸、长时耐压试脸、有级分接开关试验PD。型式试验项目有温升试验、冲击电压试验。特殊试验项目有噪声测定、零序阻杭测定、短路试验、绕组对大地间及匝间电容测定、过渡电压测定、固有振动频率测定、冷却风扇及送风机输入功率测定、空载谐波测定及介质损耗角正切测定、气体分析试验等。
Manufacturing process with the GIT distribution
Coil winding requires clean room, to its size, number of turns and the use of insulating materials to be monitored to prevent debris mixed. Should be excluded from the winding machine debris on the device. Processed by a certain shrinkage of the coil to be tightened and checked for deformation. Core should not have glitches exist. Control the welding deformation, and then remove the debris, surface finishing. For insulation pads, fittings, plates, according to the size of machining, milling, make it smooth. Particularly strict quality requirements of the weld. Lift the body into the tank shell before, to check the size, clear the debris. Fitted with a vacuum-load tap-filled with gas, to control the dew point temperature.
Routine test project winding DC resistance measurement, insulation resistance measurement, voltage ratio test, determination of impedance voltage and load test, load test, the applied voltage test, the sensor face pressure test, pressure test long face, a level tap-test PD. Temperature rise test project type test, impulse voltage test. Special pilot project with noise measurement, determination of the zero-sequence resistance Hangzhou, short-circuit test, between the earth and turns of the winding capacitance measured transition voltage measured natural vibration frequency of measurement, the cooling fan and blower input power determination, measurement and media load harmonic loss tangent measurement, gas analysis testing.
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