PARAMETRIC STUDY OF A SIMPLIFIED ICE STORAGE MODEL OPERATING UNDER CONVENTIONAL AND OPTIMAL CONTROL STRATEGIES

机译：常规和最优控制策略下简化冰存储模型的参数研究

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A simplified ice storage system model was developed in which the icemaking mode is reflected by a higher power consumption per unit cooling than in chilled-water mode. The performance of four control strategies for ice storage systems is evaluated. The four control strategies investigated are chiller-priority and constant-proportion as conventional, instantaneous controls, while storage-priority and optimal control represent sophisticated controls employing load forecasting. Six parameters were investigated with respect to their influence on the ice storage system performance: Storage losses, utility rate structures, rate periods, penalty for icemaking, storage capacity, and the impact of load forecasting. Optimal control was determined to provide maximal operating cost savings. The storage-priority control yields operating costs only slightly higher than those of optimal control. Chiller-priority control realized savings that were typically on the order of 50% of what is theoretically possible (optimal control). Constant-proportion control proved to be a simple control strategy yielding higher savings than chiller-priority, yet lower than storage-priority control.

机译：开发了一种简化的储冰系统模型，在该模型中，制冰模式的单位冷却能耗要高于冷水模式。评估了储冰系统的四种控制策略的性能。所研究的四种控制策略是作为常规瞬时控制的制冷机优先级和恒定比例，而存储优先级和最佳控制则代表了采用负荷预测的复杂控制。研究了六个参数对它们对储冰系统性能的影响：存储损耗，效用率结构，费率时段，制冰惩罚，存储容量以及负荷预测的影响。确定最佳控制以最大程度地节省运营成本。存储优先控制产生的运营成本仅比最佳控制产生的运营成本略高。冷却器优先控制实现的节省通常约为理论上可能的节省的50％（最佳控制）。事实证明，恒定比例控制是一种简单的控制策略，与制冷机优先级相比可节省更多成本，但比存储优先级控制要低。

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《The 2002 International Solar Energy Conference, Jun 15-20, 2002, Reno, Nevada》|2002年|p.83-95|共13页
会议地点 Reno NV(US);Reno NV(US)
作者
Gregor P. Henze;
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Architectural Engineering University of Nebraska -Lincoln 1110 South 67th Street Peter Kiewit institute 203-D Omaha, Nebraska 68182-0681 USA;

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正文语种 eng
中图分类能源与动力工程;
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PARAMETRIC STUDY OF A SIMPLIFIED ICE STORAGE MODEL OPERATING UNDER CONVENTIONAL AND OPTIMAL CONTROL STRATEGIES

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