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Transient simulation of carbon dioxide booster refrigeration system with mechanical subcooler in demand response operation

机译：用机械过冷器在需求响应操作中瞬态模拟机械过冷器

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Transcritical carbon dioxide refrigeration systems are becoming more common as refrigerant regulations increasingly require the use of refrigerants with low global warming potential. The use of carbon dioxide in the booster cycle is one path toward near-zero global warming potential, but improvements to the cycle performance particularly at hot ambient conditions are needed to match the efficiency of incumbent technology. Also, as connectivity and grid flexibility become increasingly important considerations, the ability to use supermarket refrigeration equipment to provide load shedding and shifting is a topic of growing interest. The current article examines a transcritical booster system with mechanical subcooling, using transient models validated against laboratory test results. The model is used to examine the relative reduction in power for a shed of refrigerating capacity at either the medium-temperature or low-temperature evaporator level.
机译：随着制冷剂法规越来越需要使用具有低全球变暖潜力的制冷剂，临界二氧化碳制冷系统变得越来越普遍。 在增强循环中使用二氧化碳是靠近零全球变暖潜力的一条路径，但是特别是在热环境条件下对循环性能的改进来匹配现有技术的效率。 此外，随着连通性和电网的灵活性变得越来越重要的考虑因素，使用超市制冷设备提供负荷脱落和移位的能力是一种兴趣日益增长的话题。 目前的文章使用针对实验室测试结果验证的瞬态模型来检查具有机械过冷的跨临界增压系统。 该模型用于检查在中温或低温蒸发器水平的制冷容量的棚的相对降低。

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