Decarbonization of Compressor Trains, Electrical Driver Considerations for High Power Systems

Jeremy Andrews, Cecile Gaudeaux, Paul Donnellan
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Abstract

Driven by targets for CO2 reduction, Oil & Gas operators are increasingly investigating electrical solutions for their high-power compressor systems that have historically been powered by turbines and are also considering retrofitting electrical drives to existing compression trains.Traditionally such very high power electrical variable frequency drive systems use current source, load commutated technology (LCI). However, recent developments in voltage source inverters (VSI) has made this technology available at increasingly higher powers. Current source LCI drives are well referenced but are viewed as complex by operators, whilst VSI is considered, overall, a simpler system but lacking in experience at very high ratings. This paper will compare both VSI and LCI drives above 25MW including availability, efficiency, footprint, weight, cooling, technology readiness, CAPEX and OPEX for a complete working system.
压缩列车的脱碳,大功率系统的电气驱动考虑
在二氧化碳减排目标的推动下,油气运营商越来越多地为他们的大功率压缩机系统研究电气解决方案,这些系统以往都是由涡轮机驱动的,他们也在考虑对现有的压缩系统进行电力驱动改造。传统上,这种大功率电气变频驱动系统采用电流源、负载换相技术(LCI)。然而,电压源逆变器(VSI)的最新发展使得该技术的功率越来越高。电流源LCI驱动器是很好的参考,但被运营商视为复杂的,而VSI被认为是一个更简单的系统,但在非常高的评级方面缺乏经验。本文将比较25MW以上的VSI和LCI驱动器,包括可用性、效率、占地面积、重量、冷却、技术就绪、完整工作系统的CAPEX和OPEX。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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