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Switching transient analysis and specifications for practical hybrid high resistance grounded generator applications An IEEE/IAS Working Group report #2

机译:实用的混合式高电阻接地发电机应用的开关瞬态分析和规范IEEE / IAS工作组报告#2

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This paper reports on the continuing efforts of an IAS Working Group to investigate industry concerns with excessive stator fault-point burning damage in conjunction with various industrial generator grounding and ground fault protection practices. Previous working group efforts were reported in a series of papers discussing typical voltage bus connected industrial generator applications. These papers proposed a new method of grounding, called hybrid grounding, that offered the ability to limit damage while still providing the required level of ground fault current under all operating conditions. This new Working Group paper reports on the detail design requirements for hybrid grounding. The paper reports the results of switching transient studies that formed the bases for recommended over-voltage protection. It also provides guidance in selection of equipment and fault protection required for hybrid grounding. The experience gained with several hybrid grounding applications is also reported.
机译:本文报告了IAS工作组的持续努力,结合各种工业发电机的接地和接地故障保护实践,调查了工业界对定子故障点过度燃烧损坏的担忧。在一系列讨论典型电压总线连接的工业发电机应用的论文中报告了先前的工作组所做的努力。这些论文提出了一种新的接地方法,称为混合接地,该方法可在所有工作条件下限制损坏的同时提供所需水平的接地故障电流。这份新的工作组论文报告了混合接地的详细设计要求。本文报告了开关瞬态研究的结果,这些研究为推荐的过压保护奠定了基础。它还为混合接地所需的设备选择和故障保护提供了指导。还报告了在几种混合接地应用中获得的经验。

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