零序电压,zero sequence voltage
1)zero sequence voltage零序电压
1.The relation involves modulation signal and space vector,zero sequence voltage and redundancy vector and so on.全面分析了三电平逆变器中应用的空间矢量调制法与载波调制法这两类调制方法的内在联系,包括调制信号与空间矢量、零序电压与冗余矢量的分配因子。
2.Based on the analysis of the characteristics of open phase operational state, a novel open phase protection scheme utilizing thezero sequence voltage of the terminal and the negative sequ.在分析非全相运行状态特点的基础上,提出了一种基于Powerformer机端零序电压和定子绕组负序电流的非全相运行保护方案。
3.From analyzing the shape of the wave of the zero sequence current andzero sequence voltage,we acquire which phase fails.MATLAB是对系统进行仿真,通过零序电流和零序电压的波形对系统进行分析,从而得到哪相发生故障。
英文短句/例句
1.Analyze of Zero Sequence Voltage Protection Scheme for Shunt Capacitor Bank并联电容器零序电压保护的改进方法分析
2.Zero-Sequence Current Protection Setting Caculation of Line for High-Voltage Power System;高压输电线路零序电流保护的整定计算研究
3.Improvement on Stator Ground Protection Based on Zero-sequence Overvoltage for Large Generator大型发电机零序过电压定子接地保护的改进
4.A Novel Direction Element Based on Transformer Neutral Zero Sequence Current基于变压器中性点零序电流的方向元件
5.Chosen of Connection Method of Low Voltage Auxiliary Power System Zero Phase-sequence TA低压厂用电系统零序TA接线方法的选择
6.Probe into Proofreading Method of Polarity of Transformer Zero-sequence Differential Protection Current Transformer变压器零序差动保护电流互感器极性校对方法探讨
7.Cause of Malfunction of Grounding Transformer Zero-sequence Current Protection in 10kV Low Resistance Grounding System10kV小电阻接地系统接地变压器零序保护误动原因分析
8.o8L6UifK}[email protected] K8N/QD?t~N/GD5F_w[[email protected]零序电哩向保护装置
9.Thus, the terminal voltage drops to zero.这样，路端电压就降到零。
10.Study on a Novel Zero-Voltage and Zero-Current Three-Level Full-Bridge Converter;新型零电压零电流三电平全桥变换器的研究
11.Design of a ZVZCS PWM High Power Supply of Controlling Circle of Locomotive Engine零电压零电流开关PWM大功率机车控制电源设计
12.Study of Making Zero Sequence Current in Distribution Networks with Two Phases Current Transformers;两相TA配电网零序电流构造方法研究
13.Research on a Novel Zero-voltage and Zero-current Transition Converter一种新型的零电压零电流转移变换器的研究
14.An Improved Zero-Voltage Zero-Current Switching Converter With Current-Doubler-Rectifier一种改进的零电压零电流倍流整流变换器
15.Novel Zero-voltage and Zero-current Resonant Pole Soft-switching Inverter新型零电压零电流谐振极型软开关逆变器
16.Zero-voltage-switching PWM Full-bridge Three-level Converter;零电压开关 PWM全桥三电平变换器
17.The Development of Zero-Voltage-Switching Three-level DC/DC Converter;零电压开关三电平直流变换器的研制
18.Zero-Voltage-Switching Multi-Resonant Three Level Converters;零电压开关多谐振三电平直流变换器
相关短句/例句
zero-sequence voltage零序电压
1.Improvement of thezero-sequence voltage sampling circuit in coal mine high-voltage distribution device;煤矿6(10)kV高压配电装置零序电压取样电路的改进
2.Analysis ofzero-sequence voltage protection零序电压保护的改进方法分析
3.In order to solve the problem ot single phase grounding fault locating in non-effectively grounding networks, azero-sequence voltage based practical method of locating and isolating for single phase grounding fault section is proposed in this paper, which operates on the feeder automation system of voltage-time type.为解决小电流接地系统单相接地故障定位困难的问题,介绍了一种在电压时间型馈线自动化系统中基于零序电压检测的馈线单相接地故障区段定位与隔离方法,阐述了该方法的工作原理和馈线终端单元(FTU)的运行方式。
3)zero order voltage零序电压
1.Thezero order voltage output from inverter will form common mode voltage, which drives the common mode current through the parasitic circuit loop in motors.基于该规律,提出了一种将级联型多电平逆变器输出零序电压幅值的相对值限制为1/3的空间矢量调制算法。
4)zero phase sequence voltage零相序电压
5)zero-sequence voltage relay零序电压继电器
6)residual voltage剩余电压，残压，零序电压
延伸阅读
交流电气化铁路的负序电流和负序电压交流电气化铁路的负序电流和负序电压the negative sequence current and voltage produced by AC elec-tric railway处为最大，随着负序电流逐渐分散进人电力系统，系统各处的负序电压水平将逐渐下降。YN，d一l:v.v:单相平衡接线11:重臂负荷I]l=轻价负荷月=111/11两，负荷功率因教相同0。250。5751。0图2不同接线牵引变电所的负序电流系数允许标准不同类型发电机的负序承受能力不同，为此，首先应根据有关电机制造标准，选择允许的负序标准。在缺少电机制造标准规定时，可参照以下规定:当汽轮发电机在额定工况连续运行时，三相电流差不应超过10%，水轮发电机三相电流差不应超过20%;有关电力系统公共连接点的三相电压不平衡度，中国国家标准规定:“正常的电压不平衡度允许值为2%，短时不得超过4%”。改善措施主要有:(1)对电气化铁路各牵引变电所实行进线相序轮换，减少电气化区段的综合负序。(2)采用平衡接线变压器，常用的接线型式有斯科特、列布兰、变形伍德布里奇等方式。(3)在受负序电流影响最大的电力系统分支回路中加装电抗器，以限制进人该支路的负序电流。i旧01一u dlanqihua tielu de fuxud一anl旧he fuxud一onya交流电气化铁路的负序电流和负序电压(thenegative Sequenee eurrent and voltage produeedby AC eleetrie railway)交流电气化铁路的单相牵引负荷会造成电力牵引变电所一次侧三相负荷电流不平衡，任一三相不平衡系统均可用对称分量法分解成正序、负序和零序三组对称分t的盈加，从而在电力系统中产生负序电流和负序电压.接人电力系统线电压间的单相负荷不产生零序分量，只有正序和负序分t。负序电流、负序电压的有害影响有:(l)可在同步发电机转子中产生附加损耗和局部发热，造成系统出力下降，(2)负序电流产生的负序转矩，使发电机振动，影响安全运行;(3)增大系统中各翰电环节的损耗;(4)负序电压的存在对系统中三相电动机用户产生不利影响，造成电动机三相电流不对称和附加损耗，使出力下降并危及电动机安全。牵引变电所的负序电流电力牵引变电所负序电流取决于两供电臂负荷的相位和幅值，因此可以把牵引变电所看作是一个负序电流源.图1示出变压器为YN，dll接线的三相牵引变电所在两份用电功率因数相同时的负序电流相盆图.图1的上方为臂电流和变压器二次绕组的三相电流相量;中间为正序电流相量;下方为负序电流相t.不同供电臂产生的负序电流有1200相位差。
