联合循环电厂大量程比的天然气贸易计量

Natural Gas Business Metering With Large Turndown Ratio in Combined Cycled Plant

在某联合循环电厂天然气贸易计量配置方式中,针对小流量计超量程的问题,分析在该范围内现有超声波流量计的理论相对误差,比较了其他修改方案,提出了此类天然气贸易计量的推荐解决方案。

In the nature gas business metering of one combined cycled plant, the minimum gas flow is out of the flow meter range. Through analyzing the relative error of ultrasonic wave flow meter in this range, and comparing with other optional modified plan, one recommendation is proposed for this kind of natural gas business metering.