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Retrofit of a Large Water Cooled Doosan Generator to an Existing BBC Turbine

机译：将大型水冷的斗摩机发生器改造为现有的BBC涡轮机

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The retrofit of an electric generator at a power plant is one of the most cost costeffective means for effective eliminating various problems associated with the existing generator and for upgrading po power wer plant capacity and/or efficiency. In October 2005, Doosan Heavy I Inndustries & Construction Co., dustries Ltd. Successfully completed the first phase of a 40month long project by designing, manufactu manufactur r ing, dismantling, installing and commissioning the first of t three, 400 Megawatt hree, class, 2 2pole h pole hy y drogen/water cooled generato generators at the Ulsan Power Station operated by rs Korea East EastWest Power -West Co., Ltd. (EWP EWP) ) In August 2004, EWP signed a contract with Doosan Heavy Industries to replace three of the generators at their Ulsan Power Station, Units 4, 5 and 6. The original turbine turbinegenerator sets, -generator built by BBC and installed in 1980, rated at 473 MVA, 19 KV, 60 Hz, had each been experience ing high 120 Hz. Stator vibration vibration, , high 60 Hz. Shaft vibration vibration, , hydrogen cooler box c cracks racks, along , with stator winding water clip leaks and stator winding insulation breakdown and plugging of the hollow stator bar strands strands. . The Ulsan Unit 5 retrofit generator was delivered to the customer site in September 2005 and commissioned in October 2005, with an outage of only 50 days from dismantling to commission ing. The unit has since been operating successfully at an iimmproved efficiency over the e proved existing xisting BBC generator. This paper presents an overview of the design and installation challenges faced by Doosan and their experiences involved in this project, including fit up to the existing foundation, coupling alignment to the BBC turbine, turbine/generator rotor torsional & lateral dynamic calculations and replacement of the existing auxi auxiliary systems, in liary including the hydrogen and seal oil supply cluding systems and the stator cooling water supply system. Ulsan Units 6 and 4 are presently under manufacture at the Doosan factory in Changwon, Ko rea, and are scheduled for r reeplacement and commissioning in July 2007 and placement November 2007 re -spectively.
机译：发电厂的发电机的改造是有效消除与现有发生器相关的各种问题以及用于升级PO电力WER工厂容量和/或效率的电力发电机的改造。 2005年10月，斗山重型I Inndustries＆Construction Co.，Dustries Ltd.通过设计，制造制造R ING，Dismantling，安装和调试T 3,400 Megawatt HREE，班级的第一阶段成功完成了40个月长的项目的第一阶段，2个2Pole H杆HOY y y rogen /水冷通道在Ulsan Power Station的Ulsan Power Station由Rs韩国东部Eastwest Power -west Co.，Ltd。（EWP EWP））于2004年8月，EWP与斗山重工业签订了合同替换他们的Ulsan发电站，4,5和6.原始的涡轮机涡轮机组套装，由BBC建造的Generator和1980年安装的，以473 MVA，19 kV，60 Hz所示，每次都经历了高120 Hz。定子振动振动，高60 Hz。轴振动振动，氢气冷却器箱C裂缝架，沿着定子绕组水夹泄漏和定子绕组绝缘击穿和堵塞空心定子杆股线股线。 。 Ulsan Unit 5改装发电机于2005年9月向客户网站提供给客户现场，并于2005年10月委托，仅拆除委托的50天的中断。该装置由于EIMPROVED效率而在E上成功运行，证明了现有的XISTING BBC发生器。本文概述了Doosan面临的设计和安装挑战及其涉及该项目的经验，包括适应现有的基础，耦合到BBC涡轮机，涡轮机/发电机转子扭转和横向动态计算和更换在矿物中存在的辅助辅助系统，包括氢和密封油融合系统和定子冷却供水系统。 Ulsan Units 6和4目前在乔沃河兼岛斗河斗山工厂制造，并于2007年7月安排了R再次施加和调试，并重新调查2007年11月。

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