1) three-phase mean current meter
三相平均电流表
2) three phase unbalance current
三相不平衡电流
1.
In order to make solutions for system stable influence of the three phase unbalance current by the increasing of unbalance load, the unbalance load integrated theory is described and the balance compensation algorithm based on STATCOM and SVC has been adopted.
随着不对称大负荷增加,三相不平衡电流对系统的稳定性影响也日益严重。
3) unbalanced three phase current
不平衡三相电流
5) average current
平均电流
1.
Saber simulation analyzes and compares hysteresis current variable frequency con- trol and average current uniform frequency control,simulation results prove these two methods can both realize PFC perfectly.
Saber仿真分析比较了滞环电流变频控制和平均电流定频控制,仿真结果证明,两种控制方法均能很好地实现功率因数校正功能。
2.
The relations between duty ratio(D) and average current(I) is discussed,and it analyzes the flow characteristic curve of electronic-hydraulic proportional valve based on PWM(Pulse Width Modulation) control technology.
分析了占空比D与平均电流I之间的关系,并对一基于PWM控制的电液比例阀的流量特性曲线进行了分析。
3.
The charge passed 6 hours,penetration depth of chloride ions and average current of concrete mixes with fly-ash and slag were tested according to ASTM C1202 at age of 120 d in different four kinds NaCl solution.
研究了不同NaCl溶液浓度对复合双掺粉煤灰、矿渣混凝土的ASTM C1202测试指标的影响,采用ASTM C1202方法测试了(1%、3%、5%、10%)四种NaCl溶液浓度下粉煤灰和矿渣复合双掺混凝土120d龄期的6h通电量、渗透深度和平均电流。
6) three-phase three-level NPC VSR
三相三电平NPC整流器
补充资料:电流平衡继电器
电流平衡继电器
current balancing relay
dlanl一uP一ngheng lldlanql电流平衡越电价(eurrent balaneing relay) 比较平行的双回艳电线路同名相电流的幅值大小而动作的继电器。其动作原理为,在正常运行或双回箱电线路发生外部短路故障时,两平行翰电线路的电流相等,而当一回线路内部发生短路故障时流过故障线路的短路电流将较大,据此选择双回线中的故障线路和故障相别。有的电流平衡继电器还设有电压制动,以增加其动作的安全性。 电流平衡继电器用于平行双回翰电线路有电派侧横联差动保护中作为故库线路和故雌相别的选择元件.
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条