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Valhall power from shore after five years of operation

机译：五年后岸边的Valhall力量

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Traditionally, electric power is generated on offshore platforms locally, using gas turbines. However, gas turbines have several disadvantages, including low efficiency (30 - 40 percent maximum), high carbon dioxide (CO<;sub>2<;/sub>) and nitrogen oxide (NOx) emissions, and high operating and maintenance costs. The possibility of conveying electrical power to offshore sites from more efficient and cleaner onshore generating facilities has been achieved with the invention and acceptance of voltage source converter (VSC) power transmissions as a competitive solution for long-distance shore-to-platform power delivery systems. VSC links are increasingly being deployed to connect remote renewables to consumption centers, and to enable cross-border connections, power from shore links and city-center in-feeds where space is a constraint. The compact and lightweight design of an offshore VSC converter enables it to be placed on an existing platform, changing the power source from gas turbines to onshore generation to meet existing or increased demand. It can also be fitted together with other equipment on new platforms. Power from shore improves safety for both personnel and equipment in a production and processing environment. The VSC power from shore (PFS) concept has so far been used in the following installations: Troll A 1&2 for Statoil, delivered in 2005; Valhall for BP, delivered in 2011; and Troll A 3&4 for Statoil, delivered in 2015. A 100 MW transmission to the Johan Sverdrup offshore field will be operational in 2018. The transmission to the Valhall field (78 megawatts (MW), 150 kilovolts (kV), was the first to provide general power from shore as the platform's only power source. It has been in operation for five years, and has delivered excellent performance. This paper will describe the experiences of these five years of operation and maintenance, and examine various aspects of the performance of power delivery to the platforms. In addition, it will provide some perspective regarding influences on the sending end network, and its operation.
机译：传统上，使用燃气轮机在本地在海上平台上产生电力。然而，燃气轮机具有若干缺点，包括低效率（最大值30-40％），高二氧化碳（CO <;亚> 2 <; / sub>）和氮氧化物（NOx）排放，以及高的操作和维护成本。通过本发明实现了从更高效和更清洁的陆上生成设施传送到近海站点的电力的可能性，并且接受电压源转换器（VSC）电力传输作为长途岸上电力输送系统的竞争解决方案。越来越多地部署VSC链接以将远程可再生能源连接到消费中心，并启用跨境连接，来自岸路链路和城市中心的电源，其中空间是一个约束。近海VSC转换器的紧凑轻便设计使其能够放置在现有平台上，将电源从燃气轮机改变到陆上生成，以满足现有的或增加需求。它也可以与新平台上的其他设备一起安装在一起。来自岸的电力提高了生产和加工环境中人员和设备的安全性。到目前为止，来自岸边（PFS）概念的VSC电源已在以下安装中使用：Troll A＆2为Statoil，2005年交付; BP的Valhall，于2011年交付;和Troll A STATOIL的3＆4，于2015年交付。距离约翰斯维尔德海上野外的100兆瓦传播将在2018年进行。瓦尔尔领域的传播（78兆瓦（MW），150千伏（KV），是第一个从岸边提供一般的电力作为平台的唯一电源。它已经运行了五年，并提供了出色的性能。本文将描述这五年的运营和维护的经验，并研究了表现的各个方面电力传递到平台。此外，它将提供关于发送端网络的影响及其操作的一些视角。

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