IC697CHS790RR截门形

IC697CHS790RR截门形

船舶岸电供电也成为大铲湾践行环保承诺的举措。“但是作为一门新的工艺技术，国内岸电技术的应用案例并不多，技术解决方案本身没有太多经验可以参考。”陈军一语道出大铲湾上马岸电项目之初大的挑战，“我们要寻找品质、性价比，能满足自身港口特定需求的岸电解决方案。”


作为岸电解决方案的核心技术，西门子的岸电变频电源设备使陈军的愿望变成了现实。


西门子专注于船舶电气和自动化技术已有历史，相比其他竞争对手，西门子大型传动部开发的于船舶岸电供电系统的岸电变频电源在并船切换、逻辑控制等关键领域表现突出，而且具备工业级的产品品质，能够满足大铲湾岸电工程的诉求。


作为此次主体岸电系统设备供货方，西门子充分考虑大铲湾码头停靠船舶的船型及设计靠泊吨位，确定大铲湾码头岸电的供电容量为5MVA，并为用户提供2套 2.5MVA 的集装箱式岸电系统设备，整体覆盖 4 个泊位，既可实现单独使用，亦可并联实现 5MVA 的大容量、稳定电源给进港船只。而且，两个相同2.5MVA容量的岸电系统所需备品备件相同，更加节省成本。


西门子岸电变频电源设备的优还体现在系统设计上。对大铲湾码头而言，港区主要停靠船舶供电频率为60Hz，主要靠泊船舶的供电电压为6.6kV。西门子采用了“-低-”系统解决方案，即10kV-50Hz输入，经过降压变压器、低压变频电源及升压变压器，，变为6.6kV-60Hz输出，通过变频电源将岸上50Hz频率转化为60Hz输出给船侧，实现船电向岸电的在线平稳切换。


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