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closed-switch
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The Huayuan substation is an importance substation in QingHai power network , having 11 sets 330kV breakers which among of them are 9 sets LW6-500 type. The switch for reliably running effects safe producing. The paper detailedly introduces that closed switch resistance can not normally work for LW6-500 type 330kV switch on March and May 1999. Also some advice to solve the problem are given in this paper.

花园变电所是西宁供电局重要的枢纽变电所 ,共有 1 1台 330kV电压等级的断路器 (其中LW6 - 5 0 0型有 9台 ) ,开关的运行可靠性直接影响西宁供电局的安全生产。文章对 1 999年 330kV设备清扫、检修当中花园变电所LW6 - 5 0 0型开关 3月和 5月连续两次发生的合闸电阻不能正常投退问题做了详细介绍、分析 ,并针对此问题的解决提出了一些建议。

The newly designed SPDT switch utilizes the broadly researched SPST (single pole single throw) MEMS membrane switches and known microwave microstrip technology to implement SPDT function.the switch can be integrated onto a single chip, which makes it very easy to fabricate. The threshold voltage of the SPDT switch is about 19V.The switch operates on X-band (8-12 GHz),with 10 GHz chosen as its central frequency. At the central frequency, the insertion loss of the open switch is -0.2 dB,the isolation of the closed...

The newly designed SPDT switch utilizes the broadly researched SPST (single pole single throw) MEMS membrane switches and known microwave microstrip technology to implement SPDT function.the switch can be integrated onto a single chip, which makes it very easy to fabricate. The threshold voltage of the SPDT switch is about 19V.The switch operates on X-band (8-12 GHz),with 10 GHz chosen as its central frequency. At the central frequency, the insertion loss of the open switch is -0.2 dB,the isolation of the closed switch is -21 dB,the reflection loss is about -43 dB.

利用X波段MEMS单刀单掷膜开关和成熟的微带线技术设计了一种X波段MEMS单刀双掷膜开关,其模拟结果为:阈值电压为19V左右,工作频率为8~12GHz,在中心频率(10GHz)处,导通开关的插入损耗为-0.2dB,截止开关的隔离度为-21dB,开关的回波损耗为-43dB。

>=Flyer explosive closed switch can be used to be high power closed switch. Due to its simplicity in structure, ability in conducting heavy current and quick close time, it is suitable for explosive synchronization of magnetic flux compression generator ( MFCG). The basic principle of flyer explosive closed switch is stated in this paper and a kind of flyer explosive closed switch is designed. The time parameter of this switch is calculated. The result shows that the time-of-flight of flyer in the switch can...

>=Flyer explosive closed switch can be used to be high power closed switch. Due to its simplicity in structure, ability in conducting heavy current and quick close time, it is suitable for explosive synchronization of magnetic flux compression generator ( MFCG). The basic principle of flyer explosive closed switch is stated in this paper and a kind of flyer explosive closed switch is designed. The time parameter of this switch is calculated. The result shows that the time-of-flight of flyer in the switch can be controlled within 10 microseconds, and the precision of closing time may be microsecond. Finally, the application of flyer explosive closed switch in MFCG is presented.

飞片型爆炸闭合开关可用做高功率闭合开关,因其结构简单,电流导通能力强,闭合迅速而适用于爆磁压缩发生器的爆炸开关同步。阐述了飞片型爆炸闭合开关的基本原理,进行了一种飞片型爆炸闭合开关的结构设计,根据选取的参数并进行了开关时间参数的计算。计算结果显示开关中飞片的飞行时间可以控制在10μs之内,开关的闭合时间可精确到μs。介绍了如何利用飞片型爆炸闭合开关实现爆磁压缩发生器的爆炸同步。

 
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