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switch-transfer
相关语句
  开关转换
     ANALYSIS AND DESIGN OF SWITCH-TRANSFER CIRCUIT FOR HIGH VOLTAGE NANOSECOND PULSES
     高压纳秒脉冲开关转换电路的分析与设计
短句来源
  相似匹配句对
     Study on the Intelligent Auto Transfer Switch Equipment
     智能自动转换开关的研究
短句来源
     RESEARCH ON HIGH VOLTAGE FAST TRANSFER SWITCH
     高压快速转换开关的研制
短句来源
     The Phase-and-amplitude Transfer Circuit Modulated by Simulative Switch
     模拟开关调制的幅相转换电路
短句来源
     Transfer sequence test of on-load voltage regulation switch
     有载调压开关切换顺序试验
短句来源
     Study on Transfer
     给予句研究
短句来源
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The influences of the switch-transfer circuit on the risetime of the high-voltage pulses are investigated in this paper.Some practical data for gas switch design and a construction for the design of the switch-transfer circuit are also presented.

分析研究了开关转换电路参数对脉冲上升时间的影响,给出了气体开关设计的一些实用数据,并推荐了开关转换电路的一种设计结构。

Since the manual mode of passing over of neutral section is not applicable to the high speed railways and having various defects, the paper introduces the overseas modes of ground transfer of automatic passing over of neutral section, switch transfer in OCS mast and transfer on board. It simultaneously compares three transfer modes of automatic passing over of neutral section adopted in China, and suggests to neglect the automatic passing over of neutral section when the speed is lower than 160km/h, to adopt...

Since the manual mode of passing over of neutral section is not applicable to the high speed railways and having various defects, the paper introduces the overseas modes of ground transfer of automatic passing over of neutral section, switch transfer in OCS mast and transfer on board. It simultaneously compares three transfer modes of automatic passing over of neutral section adopted in China, and suggests to neglect the automatic passing over of neutral section when the speed is lower than 160km/h, to adopt the duty-shift automatic passing over of neutral section on the ground(magnet) sensing car when the speed is among 160~200 km/h; to adopt the control mode on-board when speed is among 200~300 km/h.

摘要:手动过分相方式不适于高速铁路且存在各种弊端,本文介绍了国外自动过分相的地面转换方式、接触网柱上开关转换方式和车上转换方式。同时还对我国所用的3种自动过分相方式进行了比较,并建议速度小于160 km/h时一般可不考虑自动过分相装置;速度为160~200 km/h时可采用地面(磁铁)传感车上自动转换的过分相装置;速度为200~300 km/h时自动过分相可采用车载控制方式。

Investigation has been performed on the short circuit current limiter (SCCL) working on double current-transferring. The SCCL is composed of a fast switch, a GTO based switch and a current limiting resistor, all connected in parallel. The operation of the SCCL involves two current transferring processes, i.e. the fast switch transfers the short circuit current to the GTO and then the GTO to the limiting resistor. By using fast switch, the power loss of the SCCL in normal state could be reduced. The GTO switch...

Investigation has been performed on the short circuit current limiter (SCCL) working on double current-transferring. The SCCL is composed of a fast switch, a GTO based switch and a current limiting resistor, all connected in parallel. The operation of the SCCL involves two current transferring processes, i.e. the fast switch transfers the short circuit current to the GTO and then the GTO to the limiting resistor. By using fast switch, the power loss of the SCCL in normal state could be reduced. The GTO switch is used for realizing fast current transferring. It is shown that the arc voltage and the inductance of the current transferring circuit have important influence on the current transferring. The key to the realization of fast current transferring is to increase the arc voltage.

研究了基于两次电流转移的短路电流限制方案,它由快速开关、门极关断晶闸管(GTO)和限流电阻并联组成。限流过程包括两次电流转移:快速开关至门极关断晶闸管,再至限流电阻。采用快速开关可显著减少限流器的运行损耗,采用GTO可降低电流转移的难度。研究表明,在电弧电流向GTO转移的过程中,电弧电压和转移回路电感对电流转移时间有重要影响,提高电弧电压是实现快速转移的关键。

 
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