1) switching-mode stabilivolt source
开关型稳压电源
2) on-off
“开-关”
3) switch
开关
1.
Role of metal ionic compounds in fluorescent molecule switches;
金属离子络合物在荧光分子开关中的作用
2.
Research on driven system of switch magnetic resistance motor in mine electric locomotive;
矿用电机车开关磁阻电动机驱动系统的研究
3.
Research of model KZS-115 hydraulic reciprocating controlling switch;
KZS-115型液压往复式控制开关的研制
4) switches
开关
1.
General-utility testing path model of switches for ATE and application;
通用ATE开关资源测试路径模型及应用
2.
The working principle and the functions of the monostability multivibrator composed of 555 timer are introduced in the paper,and the time switches are designed.
介绍了用555定时器构成的单稳态触发器的工作原理,对其功能作了进一步探讨,在此基础上设计了一种具有实用价值的定时-非定时两用开关。
3.
Three dimensional visualization is applied to low voltage switches that involve pre processing, calculation and analysis, and post processing.
从前处理、计算分析和后处理３个方面，介绍了低压开关操作机构三维可视化仿真技术。
5) circuit breaker
开关
1.
5033 circuit breaker acting abnormally in the annual overhaul of Doushuang power line in Douli substation.
针对斗笠变电站500kV斗双线年检中5033开关动作异常情况进行了分析,找到了5033开关动作异常并导致开关保护屏中操作箱手合插件烧毁的原因,提出了应对措施。
2.
Several 500 kV circuit breaker failures and abnormal conditions since 500 kV Wanquan Substation was put into operation are listed and analyzed in this paper,and some measures to ensure safe and healthy operation of equipment is also proposed in view of equipment selection,installation& commissioning,acceptance,operation and maintenance.
列举了5 0 0 k V万全变电站自投运以来所发生的几起5 0 0 k V开关事故及异常,对事故及异常发生的原因进行了分析,并从设备的选型、安装调试、验收、运行、检修等方面提出了确保设备安全健康运行的措施。
3.
In this paper,the authors analyzes the main reason of the insulated pin fault,propose some suggestions and the key overhaul item about type LW6-220 circuit breakers.
通过对一起绝缘拉杆脱落故障的主要原因分析,提出了针对LW6型开关的重点检修改造项目,对防止高压开关发生非全相故障,保证电网的安全稳定运行具有积极的意义。
6) breaker
开关
1.
Causes analysis about one point earthing leading to breaker tripping in DC system;
直流系统负极一点接地致开关跳闸原因分析
2.
Problems existing in malfunction protection during operation were analyzed,there are two problems in it,one is that one-phase re-switching might not work when the outlet breaker of malfunction protection instantaneous trip circuit is sprung,the other is that malfunction might be caused when malfunction protection outlet connects to TJP of phase separated box.
失灵保护存在两个问题:一是失灵保护瞬跳线路出口开关可能造成单相重合闸拒动;二是失灵保护出口接分相操作箱的永跳端子TJR时,可能造成误动。
3.
Pole-mounted SF6 breaker product is an electical apparatus widely applied in power supply and distribution net-works.
柱上SF_6开关产品是广泛应用于供配电网的电器。
参考词条
补充资料：AC-DC-AC-DC型开关稳压电路
AC-DC-AC-DC型开关稳压电路
AC-DC-AC-DC type switching voltage stabilizing circuits
对小功率的AC一DC一AC一IK!型稳压电路，可省去图中的集成驱动器，由集成控制器直接驱动。AC一DC一AC一】兀型稳压电路组成的开关电源及模块，广泛应用于通信和其他电子设备中作为一次电源用。AC DC ACDCx一rlg伙019七Jo了1 wenyod旧z〕JLJAC一OC一AC一OC型开关稳压电路(AC一DC一AC一IX二type switehing voltage stabilizingcircuits)将交流电压通过整流滤波电路及DC一〔X)开关变换器，并借助反馈环节得到稳定直流输出电压的开关型稳压电路。其原理方框图如图所示。图中输人和输出端都加有噪声溥波器。电容滤波的全波整流电路中，开机时有一大的充电电流流过整流管。为了削弱该冲击电流，在AC一DC一AC一IX{型稳压电路中加人软起动电路。又因电容滤波的整流电路中电流失真很大，使功率因数很低。为了提高功率因数，通常采用功率因数校正技术。90年代以前，采用无源校正技术，只能对基波进行相移补偿或抑制某些指定的谐波。实际应用中，还受到体积、质量、价格等因素的限制。9。年代普遍采用高频有源功率因数校正技术。图中的有源功率因数校正电路实质上是一种升压式有源功率因数校正(b oost一PFC)电路(见DC一DC型开关稳压电路)。它可将稳压电路的输入电流波形变换为与输入电网电压同相位的正弦波，变换效率可大于98%。这样，可以降低线路损耗，节约能源，减小电网的谐波污染。┌───┐ ┌────┐┌─────────┐┌──┐│NF │ ┌───┐│ pFC ││ OC~O(: ││ 哪││，噪声│ │_整流 ││功率因数││ 变换器 ││噪声││健波 │ └───┘│ 校正 ││(含高频整流及滤波)││滤波││ │ │ │└─────────┘│ │└───┘ └────┘ └──┘ ┌─────┐ │ SS │ ┌─────┐ │软起动 │ │集成驱动器│ │ │ └─────┘ └─────┘ ┌─────┐ │集成控制器│ └─────┘ AC一1)C一AC一1)C型开关稳压电路原理方框图
说明：补充资料仅用于学习参考，请勿用于其它任何用途。