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    • 2. 发明授权
    • Dielectric fluid having defined chemical composition for use in electrical apparatus
    • 具有限定用于电气设备的化学成分的介电流体
    • US06726857B2
    • 2004-04-27
    • US10303671
    • 2002-11-25
    • Gary L. GoeddeGary A. GaugerJohn LappAlan P. Yerges
    • Gary L. GoeddeGary A. GaugerJohn LappAlan P. Yerges
    • H01B324
    • H01B3/20H01F27/12
    • The present invention comprises a mixture of hydrocarbons having a well-defined chemical composition that is suitable for use as a dielectric coolant in electrical equipment in general, and specifically in transformers. The dielectric coolants of the present invention are particularly suited for use in sealed, non-vented transformers, and have improved performance characteristics, including decreased degradation of the paper insulating layers, as well as a greater degree of safety and environmental acceptability. The present dielectric coolants comprise relatively pure blends of compounds selected from the group consisting of aromatic hydrocarbons, polyalphaolefins, polyol esters, and natural vegetable oils, along with additives to improve pour point, increase stability and reduce oxidation rate.
    • 本发明包括具有明确定义的化学组成的烃的混合物,其通常适用于电气设备中的电介质冷却剂,并且具体地在变压器中。 本发明的电介质冷却剂特别适用于密封的非放电变压器,并具有改进的性能特征,包括降低纸绝缘层的降低,以及更大程度的安全性和环境可接受性。 本发明的介电冷却剂包括选自芳烃,聚α-烯烃,多元醇酯和天然植物油的相对纯的混合物,以及用于改善倾点,增加稳定性和降低氧化速率的添加剂。
    • 9. 发明授权
    • Liquid immersed surge arrester
    • 液体浸入式避雷器
    • US07633737B2
    • 2009-12-15
    • US10834388
    • 2004-04-29
    • Michael M. RamargeAlan P. Yerges
    • Michael M. RamargeAlan P. Yerges
    • H02H1/00H01C7/12H02H7/04
    • H01C7/126H01C7/12H01H85/44
    • A liquid immersed surge arrester that protects electrical equipment includes a module assembly. The module assembly includes at least one varistor and a pre-impregnated composite around the at least one varistor. The liquid immersed surge arrester also includes contacts on opposite ends of the module assembly with which the module assembly is connected to electrical equipment to be protected and to electrical ground. The liquid immersed surge arrester also includes a tank that houses the module assembly and the contacts.A fault-tolerant protection device for protecting electrical equipment includes a surge arrester to protect electrical equipment from damage during periods of voltage above a normal operating range. The fault-tolerant protection device also includes a surge durable fuse element to disconnect the surge arrester after failure of the surge arrester to allow unprotected operation of the electrical system.
    • 保护电气设备的液体浸入式避雷器包括模块组件。 所述模块组件包括至少一个压敏电阻和围绕所述至少一个压敏电阻的预浸渍复合材料。 液体浸入式避雷器还包括在模块组件的相对端上的触点,模块组件通过该触点连接到待保护的电气设备和电接地。 液浸电涌放电器还包括容纳模块组件和触点的容器。 用于保护电气设备的容错保护装置包括电涌放电器,以在电压高于正常工作范围的时段期间保护电气设备免受损坏。 容错保护装置还包括浪涌耐用的熔丝元件,以在电涌放电器故障之后断开避雷器,以允许电气系统的不受保护的操作。