三线制

关键技术是利用软件模拟SPI数据总线的方式，实现对射频模块的命令控制和数据传输功能，克服了四线制硬件SPI总线控制器与三线制SPI外围模块不兼容的问题。

The key technology is the software simulation SPI data bus approach , realize command and data transmission functions of the RFID module , the approach overcome incompatibility of four-wire SPI bus controller and three-wire SPI module .

该公式既适合于三相三线制系统，也适合于三相四线制系统。

It is suitable for both three-phase three-wire system and three-phase four-wire system .

基于FPGA的三线制同步串行通信控制器设计

Design of three-wire synchronous serial communication based on FPGA

针对三相三线制供电系统设计了一采用DSP数字控制的并联有源滤波器。

A digitally controlled shunt active power filter based on DSP is designed for three-phase three-wire system .

三线制Microware同步串行EEPROM在MCS-51单片机上的运用

The Application of EEPROM with Microware Serial Bus on MCS-51 Chip Microcomputer

该结构可适用于单相DVR，三相三线制DVR。

The topology structure is also suit for single-phase and three-phase three - wire DVR .

基于USB2.0和三线制接法的多通道温控系统

Multi-channel temperature control system based on three-wire measurement and USB 2.0

本文对三相三线制带基波电流旁路通道的串联混合有源滤波器提出了基于双dq变换的控制方法。

Dedicated to three-phase three-line system and series hybrid APF with fundamental bypass channel , control scheme based on dual d-q transformation is presented in this dissertation .

实验结果证明，基于FBD法的检测方法算法简单，可以应用于不平衡三相三线制供电系统；

The experimental results show that the detection method based on the FBD method can be used in unbalanced three-phase three-wire power systems .

本文以三线制NPN式开关量输出型传感器为例，介绍了传感器的负载驱动单元的结构特点及驱动方式。

Taking a sensor of switch - output type NPN for example , its structural characteristic of the load driving unit and the driving pattern is introduced in this paper .

本文所做的工作包括如下几点：（1）基于切换系统理论通过对APF主电路的分析，建立了并联型三相三线制APF的切换动态模型。

The works done in this paper are shown as follows . ( 1 ) The switched dynamic model of shut three-phase three wire APF system is established by analyzing the main circuit of APF based on switched system theory .

为了提高不平衡三相三线制供电系统的电能质量，先将基于FBD法的补偿电流检测方法进行推广，使其能够检测出三相电路中的谐波、无功及负序电流；

The power quality of three-phase , three-wire power systems is improved using a detection method based on the FBD method to measure the reactive power , harmonics and negative-sequence currents .

三相三线制混合型有源电力滤波器的应用实例

Application Example of Three Phase Three Wire Hybrid Active Power Filter

单片机与PC机三线制高速串行通讯

High Speed Serial Communication Between PC and MCU Based on 3-line

消除引线电阻影响的三线制测量方法

Three - Wire Measurement to Suppress Lead Wire Resistance Effects

给出了三相三线制有源电力滤波器仿真和实验结果，结果证明了该文方法的正确性和可行性。

Simulation and experiment results show its validity and feasibility .

并联三相三线制有源电力滤波器的仿真与设计

Simulation and Design of Shunt Active Power Filter in Three-Phase Three-Wire System

三相三线制电路中点电位不为零现象分析

Analysis of Non-zero Neutral Voltage of Linear Three-phase System Load in Y Connection

配热电阻的三线制温度数显仪的探讨

Discussion on Temperature Readout with Three-line-system Resistance Probe

自定通信总线协议，建立三线制同步串行通信系统；

Besides , the design completes synchronous serial communication system based on self-defining protocol ;

三相三线制系统中零序谐波对谐波检测的影响

Effect of neutral harmonic current on detection of harmonic currents in three-phase three-wire systems

单相三线制和三相五线制在建筑供配电中的应用

Application of single phase 3-line system and tri-phase 5-line system in constructed power supply circuit

基于混合型逻辑数字控制的三相三线制并联型有源电力滤波器的研究

Research on A Three-phase Three-wired Shunt Active Filters Based on Mixed Analogical / Digital Control

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。

A new detection method for random harmonic current which was suitable for3-wire and3-phase unbalance system was put forward .

仿真和实验证实了该方法对不对称三相三线制非线性负载谐波抑制的有效性。

The harmonic suppression validity of the scheme for the very system with nonlinear loads is verified by simulation and experiment .

本文探讨了三相三线制有功电能表在计量系统中的接线方式以及相量分析，并制作出了电能表错误接线的处理方法表、错误接线的计量换算系数。

The wiring modes of the three-phase and three wire watt-hour meter and the phasor analysis are discussed in this paper .

介绍了理想情况下可以完全消除三线制测量时引线电阻影响的改进型实用有源电桥。

A practical enhanced active bridge which fully eliminates the influence or wire resistance in 3-wire measurement under ideal conditions is presented .

适用于三相三线制供电设备。可根据用户需求定制军用级滤波器。

Available for three phases , three lines series power supply equipments , designed for military use according to customers ' demand .

一种低耐压中性线谐波治理电路原理及实现三相三线制系统中零序谐波对谐波检测的影响

CONFIGURATION AND REALIZATION OF A NEUTRAL HARMONIC CURRENT CONDITIONER Effect of neutral harmonic current on detection of harmonic currents in three-phase three-wire systems

对于三相三线制系统的两种控制策略进行了研究：基于检测负载电流和基于检测直流侧电容电压的控制策略。

For three-phase three-wire systems two control strategies are researched , strategies based on load current detection and on DC capacitances ' voltage detection .