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Replacement of several single function generator protection relay at Badak LNG

机译:更换Badak LNG的几个单功能发电机保护继电器

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Badak LNG is a company that operates the largest LNG Plant in Indonesia with maximum production capacity of 22.5 MTPA. The company operates twelve (12) steam turbine generators and one gas turbine generator and one diesel engine generator to supply electricity for process, utility, storage, loading and plant support facility areas, which constitutes the criticality of power generator equipment to keep the reliability of production process. Generator protection relay is one of the equipment that monitors and protects the generator from fault resulting from either internal or external disturbance, preventing the generator from serious damages. Before 2015, Badak LNG used single function relays to protect the generators. The generators are protected by stator differential protection (87), current unbalance (46), loss of excitation (40), reverse power (32), time overcurrent with voltage restraint (51V), and time overcurrent ground (51G). These single function relays wield more disadvantages compared to the newer technology held by the digital relays. Since 2015, Badak LNG have started to replace the single function generator protection relays with the digital type ones.
机译:Badak LNG是一家运营印度尼西亚最大的LNG厂的公司,最大生产能力为22.5 MTPA。该公司运营着十二(12)台蒸汽涡轮发电机,一台燃气涡轮发电机和一台柴油发动机发电机来为过程,公用事业,存储,装载和工厂支持设施区域供电,这对于保持发电机设备的可靠性至关重要。生产过程。发电机保护继电器是监视和保护发电机免受内部或外部干扰导致的故障的设备之一,可防止发电机受到严重损坏。在2015年之前,Badak LNG使用单功能继电器保护发电机。发电机受到定子差动保护(87),电流不平衡(46),励磁损失(40),反向功率(32),带电压限制的时间过电流(51V)和时间过电流接地(51G)的保护。与数字继电器所拥有的最新技术相比,这些单功能继电器具有更多的缺点。自2015年以来,Badak LNG已开始用数字类型的继电器替代单功能发电机保护继电器。

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