1、

Research on Measurement and Calculation of Three-phase Voltage Unbalance Factor Standard for Traction System

牵引系统中三相电压允许不平衡度测量与计算的研究

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2、

The irrationality and disunity of social insurance contribution rate is another key factor to the financial unbalance of social insurance system in our country.

同时,社会基本养老保险缴费率的不合理与不一致,是致使我国社会保险体制财政失衡的另一关键因素。

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3、

Some factor that influence measurement accuracy of transformer DC resistance are analyzed, and through example, the conditions of transformer DC resistance unbalance caused by tapping switch factor is analyzed, At the same time, the method of analysis and treatment according to different situation are introduced.

分析了影响变压器直流电阻测量准确性的一些因素,并通过实例着重分析分接开关因素造成变压器直流电阻不平衡的情况,同时介绍了根据不同情况具体分析和处理的方法。

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4、

the platform supervises completely the electrical energy qualities of harmonic, voltage fluctuation, flicker, three phase unbalance, power factor and so on according to the newest national standard. the examination method can be varied according to the gb code revision.

监测平台对谐波、电压波动和闪变、三相不平衡、功率因数等电能质量指标的监测,完全按照最新国家标准执行,检测方法可根据国标修订情况及时变更。

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