This article mainly discusses the designations of three-phase BLDCM velocity modulation systems hardware.
本文主要论述三相直流无刷电机调速系统的硬件设计方法。
A Synchronization method and apparatus for the OFDM systems includes three portions of delay conjugate multiplication, phase processing, and edge detection.
一种正交分频多工系统之同步方法与装置，主要包含延迟共轭相乘、相位处理，以及边界侦测三个部分。
Three methods for the correlation of phase equilibrium data of supercritical fluid (SCF) -solid systems were formulated, and the precision of correlation for these methods were compared.
系统地阐明了超临流体-固体系统相平衡的三种关联方法，对其关联精度进行了比较。
This article introduced the coal enterprises three-phase asynchronous motor integrated digital protection systems.
本文介绍了适应于煤矿企业三相异步电动机全数字化综合保护系统。
These disadvantages could be eliminated in three-phase systems if the energy account based on the integral of the active power of the positive sequence component with the fundamental harmonic.
在三相系统中，以正序基波功率的积分作为计量标准，同样可以消除这两方面的不利影响。
This paper introduces a novel short circuit fault current limiter applicable to the three-phase ungrounded power systems.
介绍了一种适用于三相不接地系统的短路故障限流器。
Base on the feedback linearization theory for nonlinear systems, presenting a nonlinear model for three phase voltage source PWM and designing a nonlinear controller.
基于非线性系统反馈线性化理论，建立了三相电压型PWM整流器非线性模型，设计了一种非线性控制器。
They provide system security and immediate reliable low level ground fault detection on three-phase AC resistance grounded or grounded electrical distribution systems.
此类继电器能够增加系统安全性，并对三相交流接地电阻或接地配电系统进行可靠的低级接地故障检测。
This paper analyses and compares detecting techniques of compensating currents in three-phase balanced and unbalanced systems.
对其利、偿电流在三相平衡和不平衡系统下的检测技术进行分析和比较。
Thus two-phase relative permeability data had to be amplified and extended for three-phase systems.
因此，两相相对渗透率必须拓展为三相相对渗透率，以适应三相流体体系。
How to define instantaneous reactive current and reactive power in three-phase non-sinusoidal asymmetrical systems is still a concerned problem by academia.
如何定义三相系统的瞬时无功电流、瞬时无功功率一直是学术界关心的问题。
AD73360 is a programmable three-phase electrical parameter measurement IC chip. It is mainly used in industry ammeter and multi-input systems.
AD 73360是一主要适用于工业电表和多路输入系统的可编程三相电量测量ic器件。
The interpretation of active and reactive currents in non-sinusoidal and unbalanced three-phase four-wire systems is given based on the generalized instantaneous reactive power theory.
以通用瞬时无功功率理论为基础，阐述了电压不对称和非正弦条件时的有功和无功电流的物理意义。
Three-phase dry type transformers are featured by simple construction, easy use and convenient maintenance and used as required by electrical drive systems.
三相干式变压器结构简单、使用方便、容易维修，在工厂中得到广泛应用，在电力拖动控制系统中要根据实际需要进行选择。
Voltage unbalance of three phase ac distribution systems adversely affects power customers.
配电系统三相电压的不对称会对用户造成一系列不利影响。
The experimental results show that the detection method based on the FBD method can be used in unbalanced three-phase three-wire power systems.
实验结果表明，可以用在不平衡三相三线电源系统的检测方法基于FBD法。
This dynamic voltage regulator employs a two-leg inverter for three-phase three-wire systems.
提出了一种适用于三相三线制不平衡系统的任意次谐波电流检测方法。
This dynamic voltage regulator employs a two-leg inverter for three-phase three-wire systems.
提出了一种适用于三相三线制不平衡系统的任意次谐波电流检测方法。
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