The influence of phase angle jumps associated with voltage sags on the sag mitigation has received a lot of attention in recent years.
近年来 ,人们已认识到电压凹陷所伴随的相位跳变对凹陷补偿的影响 ,并将其作为衡量电压凹陷的特征量之一。
The correct detection of the voltage sag characteristics (its magnitude,duration and phase angle jump) is of great importance for the power quality evaluation and its mitigation.
对于电压凹陷的三大特征量幅值、持续时间和相位跳变的准确检测是电压质量评估与抑制干扰首先要解决的重要课题。
To accomplish a comparator with very low switching point voltage that is quite complex in usual circuit configuration, a new comparator is designed, is realized in 1.
针对CMOS集成电路中高精度低跳变电压点电压比较器设计的难点,设计了一种具有超低跳变电压点的新型电压比较器,其特点是利用输入失调电压来设置比较器的跳变点电压值,满足了许多需要用到此类比较器而用传统方法无法满足要求的场合,电路在1。
The Investigation to Improve Kickback Voltage of Pixel Electrode of a-Si TFT LCD
改善a-Si TFT LCD像素电极跳变电压方法研究
Analysis of failure protection output the other sides of the transformer and open voltage block on transformer unit
变压器单元失灵联跳和解除电压闭锁方案的研究
Describing of the Handling Process and Brief Analyzing of the Cause of Tripping about the Third Transformer Starting in the Second Substation
二降压3号主变压器启动送电后跳闸故障原因及处理过程浅析
transformer undercurrent trip
变压器欠流跳闸装置
transformer underload trip
变压器欠载跳闸装置
transformer overcurrent trip
变压器过流跳闸装置
Configuration Principle of Last Breaker Trip Equipment in Inverter Station of HVDC
高压直流输电系统逆变站最后断路器跳闸装置配置原则
d current transformer
电压电流两用变压器
Analysis and thinking on 500 kV transformer tripping incident
一起500kV变压器跳闸事件的分析及思考
Analysis on Two Trippings of Gas-Oil Bushing Transformer
两起油-气套管变压器跳闸原因分析
moisture and flash over voltage curve
湿度对跳火电压特性曲线
Electric Locomotive High Pressure Trip Breakdown's Reason with Guards Against
电力机车高压跳闸故障的原因与防范
Probe into the Treatment of 2 Main Transformers Tripping in 330 kV Substation
330 kV变电站两台主变跳闸处理的探讨
load ratio control transformer
负载电压控制变压器
load ratio control transformator
有载电压调整变压器
Research of Lightning Over-Voltage in UHV Transmission Lines and Secondary Arc after the Single-Phase Trip-out Caused by Insulator-Flash;
超高压输电线路雷电过电压及单相闪络跳闸后潜供电流的研究
Research on the Common Mode Voltage of High Voltage Variable Frequency Driver and Electronic Power Transformer;
高压变频器和电子电力变压器共模电压研究
Direct current cannot use transformers to change voltage.
直流电就不能用变压器来改变电压。