Method of diagnosing the deterioration of a zinc oxide type lightning
arrester utilizing vector synthesis
    1.
    发明授权
    Method of diagnosing the deterioration of a zinc oxide type lightning arrester utilizing vector synthesis 失效
    利用载体合成诊断氧化锌型避雷器的劣化方法

    公开(公告)号:US4866393A

    公开(公告)日:1989-09-12

    申请号:US103817

    申请日:1987-10-02

    IPC分类号: G01R27/16 G01R31/00

    CPC分类号: G01R27/16 G01R31/00

    摘要: A method of diagnosing the deterioration of a zinc oxide type lighting arrester having one or more series-connected non-linear resistance elements including steps of elimination of the effects of capacitive currents from phase currents; obtaining a synthesized waveform using a window type transformer based on the resistance elements alone; and diagnosing the presence of a deteriorated non-linear resistance element by generating a first pulse voltage when the maximum crest value of the synthesized waveforms exceeds a predetermined value, generating a second pulse voltage representative of terminal voltage of the resistance element, and calculating the difference between the first and second pulse voltages.

    摘要翻译: 一种诊断具有一个或多个串联非线性电阻元件的氧化锌型避雷器的劣化的方法,包括消除来自相电流的电容电流的影响的步骤; 使用基于单独的电阻元件的窗型变压器获得合成波形; 以及当所述合成波形的最大波峰值超过预定值时产生第一脉冲电压,产生代表所述电阻元件的端电压的第二脉冲电压,并且计算所述差分值,从而诊断恶化的非线性电阻元件的存在 在第一和第二脉冲电压之间。

    Method and apparatus for treating gas containing flourine-containing compounds
    2.
    发明授权
    Method and apparatus for treating gas containing flourine-containing compounds 有权
    含有含氟化合物的气体处理方法和装置

    公开(公告)号:US07955578B2

    公开(公告)日:2011-06-07

    申请号:US10593312

    申请日:2005-03-18

    摘要: To provide a method and apparatus for treating a waste gas containing fluorine-containing compounds, according to which PFCs can be decomposed efficiently even at low temperature, and moreover fluorine from the product of the decomposition can be recovered for reuse efficiently. An embodiment of the present invention relates to a method of treating a gas containing a fluorine-containing compound, comprising contacting the gas with a treatment agent comprising a mixture of aluminum hydroxide and calcium hydroxide. Moreover, another embodiment of the present invention relates to an apparatus for treating a gas containing a fluorine-containing compound, comprising a treatment column comprising a hollow interior that is packed with a treatment agent comprising a mixture of aluminum hydroxide and calcium hydroxide and through which the gas can pass, heating means capable of heating the hollow interior to a prescribed temperature, a gas introduction port for introducing the gas to be treated into the hollow interior, and an exhaust pipe for discharging gas produced from the hollow interior.

    摘要翻译: 为了提供一种用于处理含氟化合物废气的方法和装置,根据该方法和装置,PFCs即使在低温下也能有效地分解,而且从分解产物中还可以有效地回收氟。 本发明的一个实施方案涉及一种处理包含含氟化合物的气体的方法,包括使气体与包含氢氧化铝和氢氧化钙的混合物的处理剂接触。 此外,本发明的另一个实施方案涉及用于处理含有含氟化合物的气体的设备,其包括处理塔,该处理塔包括中空的内部,该中空内部填充有包含氢氧化铝和氢氧化钙的混合物的处理剂, 气体可以通过,能够将中空内部加热到规定温度的加热装置,用于将待处理气体引入中空内部的气体导入口,以及用于排出由中空内部产生的气体的排气管。

    Refrigerating cycle apparatus
    7.
    发明授权
    Refrigerating cycle apparatus 有权
    制冷循环装置

    公开(公告)号:US5970727A

    公开(公告)日:1999-10-26

    申请号:US137122

    申请日:1998-08-20

    摘要: A refrigerating cycle apparatus including an inverter driven compressor with controllable speed of rotation, a four-way valve, an indoor heat exchanger, a pressure reducing device, outdoor heat exchanger, a defrosting condition detector for detecting a frosting state of the outdoor heat exchanger in a heating operation, a defrosting operation controller for carrying out a defrosting operation based on a detection signal from the defrosting condition detector and having a minimum operable frequency controller for controlling a minimum operable frequency for the compressor on restarting after completion of the defrosting operation and/or a starting speed controller for controlling a starting speed for the compressor based on a detection signal from the defrosting condition detector on restarting after completion of the defrosting operation in order to provide proper lubrication after a defrost operation.

    摘要翻译: 一种制冷循环装置,包括具有可旋转转速的变频驱动压缩机,四通阀,室内热交换器,减压装置,室外热交换器,用于检测室外热交换器的结霜状态的除霜条件检测器 加热操作,除霜操作控制器,用于基于来自除霜条件检测器的检测信号执行除霜操作,并具有最小可操作频率控制器,用于在完成除霜操作之后控制重新启动时压缩机的最小可操作频率和/ 或启动速度控制器,用于在除霜操作完成之后基于来自除霜条件检测器的检测信号来控制压缩机的起动速度,以便在除霜操作之后提供适当的润滑。