中频电炉,中频电源,中频设备和配件及维修
中频电源,中频电炉,感应加热设备,电炉维修专业厂家-保定兴盛中频设备有限公司
河北保定兴盛中频设备有限公司
电话:0312-7966818
传真:0312-7968665
手机:13503128018
邮箱:bdxsd@163.com
联系人:高先生
地址:保定清苑工业区金线河堤南,保清公路保沧高速桥北,兴盛路东行300米兴盛路9号
电容器的检测方法
[来源:www.zhongpinshebei.com] [作者:aywl] [日期:17-02-20]
主要元器件的检测 The main components of the test   1.可控硅的检测方法 1. The SCR detection method   用数字式万用表200KΩ挡测可控硅正反向电阻,应在10KΩ~100KΩ之间(阻值受水路影响)。 In digital multimeter 200 k Ω gear measuring positive and negative resistance to SCR should be between 10 k Ω ~ 100 k Ω (resistance affected by water).   用数字式万用表200Ω挡测可控硅门极电阻,应在10Ω~20Ω之间。 Measurement with digital multimeter 200 Ω SCR gate resistance, should be between 10 Ω ~ 20 Ω.   2.电容器的检测方法 2. The measuring method of capacitor   拆开电容器的连接铜排。用绝缘摇表测试各电容器每个柱子是否充放电,正常应能充放电。注意:选用的绝缘摇表电压不能大于电容器额定电压。用电感电容表测各电容器每个柱子容量值是否正常。 The connection of copper platoon apart capacitor. With insulation shake table test whether each pillar to charge and discharge the capacitor, normal should be able to charge and discharge. Note: choose the insulation of the shaking table no voltage is greater than the capacitor voltage rating. Each capacitor with lc table test each column capacity value is normal.   3.炉子的检测方法 3. The detection method of the furnace   观察匝间是否短路:线圈对保护地绝缘是否良好。 Observe whether the turn-to-turn short circuit: coil to protect the insulation are in good condition.   4.电路板检测须专业人员用示波器检测,怀疑其有问题时,可直接更换。 4. PCB inspection must be professionals with an oscilloscope, doubt its have a problem, can be directly replaced. ㈤.中频感应加热电源常见故障与维修 All measures. Medium frequency induction heating power supply and maintenance of common failures   中频电源广范应用于熔炼透热淬火焊接等领域,不同的应用领域对中频电源有不同的要求,因此中频电源的控制电路和主电路有不同的结构形式,只有在熟练掌握这些电路的基本工作原理和功率器件的基本特性的基础上,才能快速准确地分析判断故障原因采取有效的措施排除故障。在此仅对典型电路和常见故障进行探讨。 Intermediate frequency power supply wide applications in areas such as smelting heating quenching welding, different applications have different requirements of the medium frequency power, so the control circuit and main circuit of intermediate frequency power supply has different structure forms, only in mastering the basic working principle of the circuit and on the basis of the basic characteristic of the power device, can rapidly and accurately judge fault reason analysis to adopt effective measures to eliminate failures. Here only the typical circuit and the common faults are discussed.   1、开机设备不能正常起动 1, the boot device not starting properly   1.1故障现象:起动时直流电流大,直流电压和中频电压低,设备声音沉闷过流保护。 1.1 malfunction phenomenon: direct current when starting, low voltage dc voltage and frequency, equipment over-current protection deep voice.   分析处理:逆变桥有一桥臂的晶闸管可能短路或开路造成逆变桥三臂桥运行。用示波器分别观察逆变桥的四个桥臂上的晶闸管管压降波形,若有一桥臂上的晶闸管的管压降波形为一线,该晶闸管已穿通;若为正弦波,该晶闸管未导通,更换已穿晶闸管,并查找晶闸管未导通的原因。 Analysis: there is a bridge inverter bridge arm of the thyristor may cause short circuit or open circuit inverter bridge running three arm bridge. Oscilloscope were observed four bridge inverter bridge thyristor (tube voltage waveform on the arm of the if there is an arm of the bridge thyristor tube voltage waveform is a line, the thyristor has been through; If the sine wave, the thyristor conduction, replacement has wear thyristor, and find the cause of the thyristor conduction not.
版权所有 © 河北保定兴盛中频设备有限公司  兴盛中频电炉设备主营:中频电炉,中频电源,中频设备,熔炼炉,感应加热电炉及配件与维修等
地址:保定清苑工业区金线河堤南,保清公路保沧高速桥北,兴盛路东行300米兴盛路9号 手机:13503128018 电话:0312-7966818 联系人:高先生 网址:www.zhongpindianlu.com.cn
友链:玻璃钢管 蠕动泵 护坡砖模具

保定网站建设及优化保定遨游网络公司