three-phase system的例句大全

On basis of the analysis to the double feeding back velocity regulation principle, bi-variant AC-AC transducer serves as three-phase power supply to design a double feeding back velocity regulation system, and which is made experimental analysis.

在分析双馈调速原理的基础上，引入双变量交-交变频器作为转子三相电源，设计一双馈调速系统，并进行了实验分析。

Study on control system of three-phase solid state fault current limiter

新型固态限流器控制系统的研制

According to the feature that the load of induction motor in groups greatly affects power system stability during large-scale disturbance, a three-phase grounding fault test of 110 kV transmission line was performed at Zhongyuan Oil Field located in Puyang power supply region of Henan Power Grid.

根据大扰动过程中电动机群负荷对系统稳定性影响较大的特点，在河南电网濮阳供电区的中原油田进行了110kV线路三相短路故障试验。

The Application of Three-phase Modulation to the Design of On-ship Gyrocompass Power Supply System

三相脉宽调制技术在船用罗经电源设计中的应用

Research of Open Loop System of Three-phase Inverting Circuit Use for Closed Loop System

三相逆变电路中开环调节用于闭环系统研究

In accordance with superposition theorem and substitution theorem, the symmetric three-phase and asymmetric three-phase arc furnace electric power system is reduced as a one phase system.

从替代定理和叠加原理出发，将三相对称及不对称电弧炉系统简化为单相系统进行求解。

The open-air wires of three-phase four-wire system are extensively used in supply main of 220V& 380V electric network of China.

在我国380/220伏电力网络中，广泛采用三相四线制架空线作为配电干线。

Due to more and more single phase non-linear loads being put into use, people begin to pay attentions to harmonic problem in three-phase four-wire system.

随着越来越多的非线性负荷投入电网应用，三相四线制配电网系统谐波治理问题开始引起了人们的关注。

A nonlinear dynamic model is set up to study the sustainable development and utility of renewable resources in this paper. In this paper, instantaneous reactive power theory using in three-phase four-wire system was discussed at first.

本文运用非线性理论建立了可再生资源二次非线性收获的动力模式。讨论了在三相四线制系统中瞬时无功功率理论和有源电力滤波器的研究结果。

The detecting method of harmonics and reactive currents in single-phase is applied in three-phase four-wire system, so harmonic current detection and compensation of each phase can be performed separately but without affected by nonbalanced system.

本文将单相谐波检测算法应用于三相四线制系统中，可以各相分别检测谐波电流，从而进行各相单独动态电流注入补偿，不受系统不平衡的影响。

The p-q-r instantaneous power theory is introduced, based on which a direct control strategy of UPQC ( Unified Power Quality Conditioner) is presented and its implementation in non-linear and unbalanced three-phase four-wire system is discussed.

阐述了p-q-r瞬时功率理论的原理，提出了基于该理论的统一电能质量控制器（UPQC）的直接控制策略，探讨了将其用于三相四线非线性及不平衡系统中的实现方法。

This paper is just to discuss distribution circuit of TN-system in the single-phase, including both three-phase four-wire system and three-phase five-wire system. In what situation does dangerous voltage happen with N-wire?

本文讨论TN（接零）系统中，三相四线和三相五线在其末端单相配电系统中，N线在什么条件下会发生危险电压？

A real-time current detection based on FBD ( Fryze-Buchholz-Dpenbrock) method is pre-sented to detect the harmonic, negative-sequent and zero-sequent currents in three-phase four-wire system, and the essential of the method is the projection transformation of reference voltage.

为了快速、有效地检测出三相四线制电力系统中的谐波、负序和零序电流，提出了一种基于FBD法的电流实时检测方法。

Development of 100 kVA enhanced SVG based on three-phase four-wire power system

100kVA三相四线系统用增强型SVG的研制

An all-digital vector control system of three-phase induction motor is presented.

提出了一种全数字式的三相异步电机矢量控制系统。

Modelling and Simulation Study on Capacitor Compensation Starting System of Three-Phase Induction Motor

感应电动机电容补偿起动系统的建模和仿真研究

The simulation results show that is much better than the conventional three-phase induction motor system.

仿真结果表明双Y移30°六相感应电机比传统三相电机有更好的动静态性能。

The Development of Squirrel-cage Three-phase Induction Motor Frequency Converter System

鼠笼式三相交流异步电动机的变频调速系统的研制

The effectiveness can be proved in the application in the DSP control system of the three-phase induction motor.

通过在三相感应电机DSP控制系统中的应用，可以证明该方法的有效性。

For this purpose, a dynamic mathematical model of three-phase asynchronous machine in d-q axes stationary coordinates system has been developed and the computer simulation program has been worked out.

为了得到起动特性，建立了三相异步电动机在（d，q）静止坐标系下的动态数学模型，编制了仿真程序。