three-phase system的例句大全

Influence of Three-Phase Metallic Short Circuit Occurred Position in Tie Line on Power System Transient Stability

联络线三相金属性短路地点对电力系统暂态稳定性的影响

Time Sharing Floating Potential Trigger System of Three-Phase Full-Control Bridge Rectifying Circuit

三相全控整流桥分时浮动电位触发系统

Research on Positive or Inversion Controlling System of Three-phase Motor Based on SSR

基于固态继电器的三相电动机正/反转控制系统的研究

Based on the mathematical model of three-phase PWM rectifier, which takes the DC voltage, active and reactive currents as state feedback variables, an inverse system of three-phase PWM rectifier is deduced and a pseudo linear system is constructed.

利用三相PWM整流器数学模型，以直流输出电压、有功和无功电流作为状态反馈变量，推导出三相PWM整流器的逆系统，并构造出伪线性系统。

This paper also discussed the problem of three-phase induction-motor overall protection, analyzing the causes and protection principles of various common faults for three-phase induction motors, presenting an initial study on integrated protection system for high-voltage three-phase induction motors.

对异步电机的综合保护理论进行了研究，对异步电机各种常见故障及其保护原理进行了分析，并对异步电机故障诊断与保护的功能集成技术进行了研究，初步完成了系统的总体功能设计。

Design of the novel three-phase and four-line digital slip energy recovering system

新型三相四线制串级数字调速系统设计

Three-phase current measurement in power system based on GMR

基于巨磁阻的电力系统三相电流测量及其应用

Validation through prototype testing, test results showed that the three-phase locked loop has achieved the synchronization requirements of the PV inverter system and gained a unit power factor for the inverter. Finally, this article used Verilog language to complete the design of FPGA-based three phase-locked loop.

通过样机试验验证，试验结果表明，本文所设计的三相锁相环达到了光伏逆变系统的同步性能要求，实现了逆变器的单位功率因数运行。

DSP Control Strategy for a Novel Three-phase Emergency Power Supply System

新型三相应急电源系统的DSP控制方法

Combined Three-phase Emergency Power Supply System with Parallel Active Power Filter

三相应急电源和并联型有源滤波器复合系统

Study of Three-Phase Emergency Power Supply System

三相应急电源系统研究

Multi-objective network reconfiguration algorithm for distribution system reliability improvement is advanced based on implicity parallel search method, reliability assessment algorithm and three-phase unbalanced power flow.

提出了基于隐含并行寻优思想的兼顾供电可靠性提高和网损降低的配电系统多目标网络重构算法。

Calculation of checking conditions for dynamic stability three-phase and symmetric power system being shorted

三相对称电力系统短路时动稳定度校验条件的计算

The experience and practice of the creative systerm and practice base building in more university were expatiated. This paper introduced the teaching method named after "three-phase three-level" and the normative appraisement system of undergraduate creativity.

阐述多科性大学创新教育体系及实践基地建设的实践与体会，阐述三阶段、三层次教学模式及大学生创造力评价标准体系以及创造发明与创新素质训练的一些具体做法。

Breakage of zero line and the fault caused by poor contact in three-phase four-wire power supply system are introduced based on the experiences of the three electric power practices.

通过三例电力现场实践运行经验介绍了三相四线制供配电系统零线断线和接触不良引起的故障现象。

In order to reflect the advantage of the 3-phase and 4-leg inverter system with asymmetric load, this paper established a three-phase and three-arm inverter system with the same simulation parameters, and focused on comparison between the two at the situation with asymmetric load.

为了体现三相四桥臂逆变系统在带不对称负载时的优势，本文又建立了相同仿真参数的三相三桥臂逆变系统。重点对比了两者分别在带不对称负载时的情况。

According to Bessel function and Fourier series theory, generation, magnitude and distribution of voltage harmonic generated by single-phase two-level SPWM inverter and three-phase SPWM inverter are analyzed and calculated particularity and concretely in allusion to inverter-motor system.

然后针对逆变器-电动机系统，利用贝塞尔函数和傅里叶级数理论，分别对单相二阶SPWM逆变器和三相SPWM逆变器的输出电压谐波的产生、大小和分布进行了细致而具体的分析和计算。

The DCS power grounding should be: when three-phase and four-wire system is adopted, the neutral wire should be grounded;

而采用单相电源时，若DCS与电力设备为公用接地，则DCS电源零线不接地；

The application of DSP on the high accuracy three-phase electric metering system

DSP技术在高精度三相电能测量系统中的应用

A Three-Phase Electrical Parameters Measurement System Using a Specially Designed DSP Chip

一种基于专用DSP芯片的三相电参数测量系统