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[cityname]电力变压器真空计原理 [cityname]电力变压器怎么读参数

作者:电力变压器厂  发布日期:2019-03-22  

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电力变压器式真空计原理

根据弹性在压差作用下产生应变而引起电力变压器变化的原理制成的真空计称为电力变压器式真空计,它由电力变压器式规管(又称为电力变压器式压力传感器)和测量仪器两部分组成。根据测量电力变压器的不同方法,仪器结构有偏位法和零位法两种。零位法是- :种补偿法,具有较高的测量精度。目前在计量部门作为低真空副标准真空计的就是采用零位法结构。

图示出了零位法电力变压器式真空计的结构原理图。它由电力变压器式规管、测量电桥电路、直流补偿电源、低频振荡器、低频放人器、相敏检波器和指示仪长等组成。

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真空计缺点

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电力变压器参数相关

电力变压器器的电力变压器量就是表征电力变压器器存储电荷能力的参数,它在数值上等于极板上存储的电荷量Q与极板上所加的电压U之比。

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陕西11选5DIANLIBIANYAQIDUFAHESEHUANDIANZUDEDUFALEISI,SANWEISHUZIZHONGQIANLIANGWEISHIXISHU,******YIWEISHI10DEZHISHU。104JIUSHI10CHENGYI10DE4CIFANG,DENGYU100000pF,YEJIUSHI100nF。

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上一条: S11油浸式电力变压器的配电装置是如何进行工作的? 下一条: 电力变压器电流计算

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