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为解决西藏羊八井地热电站有害气体硫化氢对高压电机线圈电晕的影响,作者负责的课题组用发电机小样棒在通入硫化氢气体的人工气候室内做了模拟试验,继而到羊八井作实地调查及试验,提出并验证了起晕电压随硫化氢气体浓度增加而降低的关系,给了经验公式。对地热电站用发电机如何解决有害气体硫化氢的危害问题提出了建议。
In order to solve the influence of hydrogen sulfide, a harmful gas, in Yangbajing geothermal power station in Tibet, on the corona of high-voltage motor coils, the author’s group conducted a simulation test using a generator sample rod in an artificial climate chamber with hydrogen sulfide gas, As a result of field investigation and experiment, we put forward and verify the relationship between the corona onset voltage and the decrease of hydrogen sulfide concentration, and give the empirical formula. Some suggestions are put forward on how to solve the problem of how to use the generator of geothermal power station to deal with the harmfulness of hydrogen sulfide.