| 1. | An electrical relay used to control the flow of power in a circuit 开关一种用来控制电路中电流量的电流器件 |
| 2. | Precision low current measurement 精确的低电流量测 |
| 3. | Three - phase state estimation study on voltage and current measurement with pmu 电压和电流量测量的三相状态估计的研究 |
| 4. | Research on the estimation of conversion state of equivalent current test based on phasor measurement 基于相量测量的等效电流量测变换状态估计的研究 |
| 5. | If other current levels are required , customers should specify their particular requirements 客户若须以其他电流量位进行测量,则应注明其特别要求。 |
| 6. | Influences of measured values from phasor measurement units on equivalent current based measurement transform algorithm in state estimation 相量测量单元测量值对状态估计中等效电流量测变换算法的影响 |
| 7. | To reduce test - system development time and provide precision testing , the 6611c provides current measurement down to the microamp level 为缩短测试系统的开发时间及提供精确的测试, 6611c提供了低至微安培位准的电流量测。 |
| 8. | An optimization model of distribution network reconfiguration is established , in which the minimum network loss is taken as objective function , the restrictions to the decline of voltage and current are taken as constraint conditions 以网损最小为目标函数,以配电网电压降的限制、线路电流量的限制等为约束条件,建立了配电网络重构优化模型。 |
| 9. | Two kinds of new on - line monitoring methods , which are based on measuring primary , secondary currents and voltages to calculate the short - circuit reactances of windings for detecting the deformation windings of power transformer , are proposed in the paper . the methods used for on - line measuring the short - circuit reactances of traction transformer in electric railways , are designed 本文提出了两种在线监测变压器绕组变形的方法,通过在线监测变压器绕组原、次边的电压和电流量,实时计算变压器绕组的短路电抗来判断变压器绕组变形情况,并对电气化铁路主要接线型式的牵引变压器绕组变形的在线监测方案进行了设计。 |
| 10. | And the converter will work on the strategy of vector control with the definitive direction of the stators magnetic field . also , the thesis develops the algorithm to corroborate the magnetic field ' s direction by the state ' s current and voltage . to validate the theory analysis of bdfg 根据理论分析和仿真的结果,本文提出级联式无刷双馈发电机的控制策略是基于定子磁链定向的矢量控制方法,并推导了用定子侧电压电流量来确定定子磁链方向的算法,绘制了相应的闭环控制框图。 |