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directional circuit
相关语句
  方向电路
     A Suggestion on Design of Directional Circuit of Double Track Automatic Block
     复线自动闭塞方向电路设计的一点建议
短句来源
     Problems with Four-Wire Directional Circuit of Automatic Block System and the Improvement
     四线制自动闭塞方向电路存在的问题及改进
短句来源
     Analysis on the problems with directional circuit of double track automatic block system and the suggestions for the improvement are made in the paper.
     本文分析复线自动闭塞方向电路运用中存在的问题,并提出改进建议。
短句来源
     The paper briefly analyzes the existing problems with four-wire directional circuit during construction and maintenance with suggestions for improvement of the problems.
     本文主要分析施工及维修中四线制方向电路存在的问题,并提出了改进方法。
短句来源
  相似匹配句对
     Waveguide Planar Circuit Directional Coupler and CAD
     波导平面电路定向耦合器及CAD
短句来源
     Brake Control System of Omni-directional Circuit for Automobiles
     汽车全电路制动控制系统
短句来源
     Circuit Classical
     电路经典
短句来源
     In-Circuit Testing
     在线测试技术
短句来源
     Directional Coupler Switch
     铌酸锂定向耦合型光开关研究
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  directional circuit
This facility is provided by a bi-directional circuit switched transport layer.
      
This circuit shows that bi-directional currents require about twice the number of devices as a uni-directional circuit.
      


Analysis on the problems with directional circuit of double track automatic block system and the suggestions for the improvement are made in the paper.

本文分析复线自动闭塞方向电路运用中存在的问题,并提出改进建议。

A novel circuit dedicating to system within storage battery as standby power supply and operating as bi-directional current source is proposed in this paper.Functions of both discharging process with large current from battery to the relative lower voltage load end and charging process with constant current to the reverse direction are realized by the presented circuit.Meanwhile,a strategy of digital control,which implements the control of constant current for the bi-directional circuit and furthermore...

A novel circuit dedicating to system within storage battery as standby power supply and operating as bi-directional current source is proposed in this paper.Functions of both discharging process with large current from battery to the relative lower voltage load end and charging process with constant current to the reverse direction are realized by the presented circuit.Meanwhile,a strategy of digital control,which implements the control of constant current for the bi-directional circuit and furthermore realization of power management for battery is achieved,is proposed as well.Protection of under-voltage and floating charge process for the battery are realized as well.In addition,operation of constant current,constant voltage and constant power can be easily realized just by software modification and the excellent practicability of the circuit is verified.F2407A of TI is adopted as control center in the experiment and characteristic of excellent current source for the digital control circuit,which can be used as standby power supply in power system and communication system,is verified.

针对采用蓄电池作为后备电源的系统,设计出一套新颖的双向工作恒流电路。该电路既可实现蓄电池对低压负载的大电流放电,又可以对蓄电池本身进行恒流充电。同时,本文提出了一套全数字化控制方案,不仅实现了双向电路的恒流控制,而且对蓄电池本身进行了能量管理,使电路具有浮充和欠压保护等功能。另外,通过软件编程,采用数字控制可以很方便地实现电路的恒流、恒压、恒功率等控制功能,从而使电路具有很强的实用性。实验采用TI公司的F2407ADSP芯片作为控制核心,结果表明,该数控电路具有很好的恒流效果,可以用于电力、通讯系统的后备电源中。

The paper briefly analyzes the existing problems with four-wire directional circuit during construction and maintenance with suggestions for improvement of the problems.

本文主要分析施工及维修中四线制方向电路存在的问题,并提出了改进方法。

 
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