CAJ | 학술논문

变压器差动电流保护简单、可靠,其原理具有绝对的选择性,但由于运行复杂,影响因素较多,某些保护监测具有不确定性。针对目前变压器差动电流保护应用中的特点和现状进行研究,提出优化变压器差动电流保护动作参数和动作逻辑的办法。经现场运行和具体事故分析表明,可以改善变压器差动电流保护的运行质量。
변압기차동전류보호간단、가고,기원리구유절대적선택성,단유우운행복잡,영향인소교다,모사보호감측구유불학정성。침대목전변압기차동전류보호응용중적특점화현상진행연구,제출우화변압기차동전류보호동작삼수화동작라집적판법。경현장운행화구체사고분석표명,가이개선변압기차동전류보호적운행질량。
Transformer differential current protection is simple,reliable and the principle has absolute selectivity.But because of the complex running environment and many influencing factors,some protection monitor has uncertainty.Aiming at the features and status of differential current protection for current transformer,proposes the methods to optimize transformer differential current protection parameters and action logic.The field operation and detailed accident analysis prove that this method can improve the operation of transformer differential current protection quality.