1) Current balance method
电流平衡法
2) current balance
电流平衡
1.
At present,"current balance" is a widely used balance standard in pumping wells management,and the pumping unit is considered to be in balance when the current balance degree is in the range of 80%~120%.
目前在抽油机井管理中普遍采用的平衡标准是"电流平衡",并认定电流平衡度在80%~120%之间时抽油机即为平衡。
4) electron flow balance
电子流平衡
5) unbalance current
不平衡电流
1.
The paper introduces the principle of cells transverse differential protection,and makes analysis on the reason of large unbalance current of Longyangxia hydropower plant cells transverse protection,as well as proposes solving methods and its importance.
文章介绍了单元件横差保护原理,对龙羊峡单元件横差保护的不平衡电流较大原因进行了分析,提出了解决方法,阐述了单元件横差保护的重要性。
2.
According to the test results the HV capacitor banks which the unbalance current is larger have been adjusted.
根据试验结果对不平衡电流偏大的电容器组各臂电容值进行了调整。
6) unbalanced current
不平衡电流
1.
New energy-saving equipments for adjusting unbalanced currents and compensating power factor;
调整不平衡电流并补偿功率因数的新型节能设备
2.
Based on the loop equations of transformer model, utilizing the unbalanced current in the delta windings to establish the relations among the three-phase loop equations, a winding unbalanced parameter loop equation under the normal operation is obtained.
从变压器回路方程出发,利用△侧绕组内的不平衡电流来联系三相回路方程,推导得到变压器正常运行时的绕组不平衡参数回路方程等式。
3.
When there is no fault within protection range,unbalanced current inside differential relay is near to zero;but on some cases,there does still big unbalanced current exist.
在保护范围内无故障时,差动继电器内不平衡电流接近于零。
补充资料:零阻电流法测电偶电流
分子式:
CAS号:
性质:测定电偶对之间电阻为零的条件下所流过的电偶电流的方法。最先进的是自动零电阻电流计法,其原理是用一个运算放大器的同相和反相输入端分别接电偶对的两个金属,放大器输出端通过已知阻值的电阻反馈至反相输入端。运算放大器会自动调节两个金属之间电位差为零。流经反馈电阻上的电流即电偶电流,可通过反馈电阻上的电压降(即运算放大器的输出电压)来测定。该法灵敏、快速。
CAS号:
性质:测定电偶对之间电阻为零的条件下所流过的电偶电流的方法。最先进的是自动零电阻电流计法,其原理是用一个运算放大器的同相和反相输入端分别接电偶对的两个金属,放大器输出端通过已知阻值的电阻反馈至反相输入端。运算放大器会自动调节两个金属之间电位差为零。流经反馈电阻上的电流即电偶电流,可通过反馈电阻上的电压降(即运算放大器的输出电压)来测定。该法灵敏、快速。
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参考词条