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    • 15. 发明申请
    • Tap changer monitoring
    • 分接开关监控
    • US20050099741A1
    • 2005-05-12
    • US10450579
    • 2001-12-14
    • Bengt-Olof StenestamGunnar Andersson
    • Bengt-Olof StenestamGunnar Andersson
    • G01R31/327G01R31/333H01F29/04H02H3/00
    • G01R31/3274G01R31/333H01F29/04H01H2009/0061
    • A method and means for diagnosing transformer tap changers is provided. Pressure is monitored in an insulating liquid of a tap changer for a period of time in which switching of the tap changer is carried through. Switching-related information is then extracted from the pressure diagram. The method, preferably used for single-phase tap changers, comprises the step of relating quantities from pressure peaks to specific arcings of the switching sequence. Early error detection is achieved, whereby transformed failures may be avoided. Repeated measurements ae followed by trend evaluation. If a trend indicating tap changer problems is detected, an alarm signal is triggered. The invention may include switching off the transformer if the pressure exceeds a predetermined emergency value as well as extracting information of the base pressure in the tap changer and converting it to level of insulating liquid.
    • 提供了用于诊断变压器抽头变换器的方法和装置。 在分接开关的绝缘液体中监测压力,持续一段时间,分接开关切换进行。 然后从压力图中提取开关相关信息。 优选用于单相抽头变换器的方法包括将来自压力峰值的数量与切换序列的特定弧形相关联的步骤。 实现早期错误检测,从而可以避免变形的故障。 重复测量,然后进行趋势评估。 如果检测到指示分接开关故障的趋势,则触发报警信号。 如果压力超过预定的紧急值,本发明可以包括关闭变压器,以及提取分接开关中的基础压力的信息并将其转换成绝缘液体的水平。
    • 18. 发明授权
    • Screening methods employing insects with blood brain barrier
    • 使用具有血脑屏障的昆虫的筛选方法
    • US09194864B2
    • 2015-11-24
    • US13060619
    • 2009-09-16
    • Peter Aadal NielsenGunnar Andersson
    • Peter Aadal NielsenGunnar Andersson
    • G01N33/50
    • G01N33/5085
    • There is provided insect models that are aimed to reflect vertebrate blood-brain barrier (BBB) penetration. Investigation of BBB penetration is extremely important in drug discovery; successful CNS drugs have to cross the BBB, while BBB penetration may cause unwanted side effects for peripheral acting drugs. Specifically, the present invention relates to the use of insects in screening for substances with a biological effect on the brain or central nervous system and/or effect on a disease or disorder of the brain or central nervous system. It further relates to use of such insects in screening for substances that have a desired biological activity and which do not cross the blood brain barrier.
    • 提供旨在反映脊椎动物血脑屏障(BBB)渗透的昆虫模型。 BBB穿透的调查在药物发现中是非常重要的; 成功的CNS药物必须穿过BBB,而BBB渗透可能会对外周作用药物造成不良副作用。 具体地,本发明涉及昆虫在对脑或中枢神经系统具有生物学作用的物质的筛选和/或对脑或中枢神经系统疾病或病症的影响中的应用。 它进一步涉及这种昆虫在筛选具有所需生物学活性并且不会穿过血脑屏障的物质的用途。