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首页> 外文期刊>Energy Conversion & Management >Demand side management in South Africa at industrial residence water heating systems using in line water heating methodology
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Demand side management in South Africa at industrial residence water heating systems using in line water heating methodology

机译：南非使用在线水加热方法对工业住宅热水系统的需求侧管理

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The South African electrical utility, ESKOM, currently focuses its demand side management (DSM) initiatives on controlling electrical load between 18:00 and 20:00 each day, which is the utility's peak demand period. Funding is provided to energy service companies (ESCo's) to implement projects that can achieve load shifting out of this period. This paper describes how an improved in line water heating concept developed in previous studies was implemented into several real life industrial sanitary water heating systems to obtain the DSM load shift required by ESKOM. Measurements from a selection of these plants are provided to illustrate the significant load reductions that are being achieved during 18:00-20:00. The measured results also show that the peak load reduction is achieved without adversely affecting the availability of sufficient hot water to the persons using the showering and washing facilities served by the water heating system. A very good correlation also exists between these measured results and simulations that were done beforehand to predict the DSM potential of the project.rnThe in line water heater concept provides an improved solution for DSM at sanitary water heating systems due to the stratified manner in which hot water is supplied to the tanks. This provides an improved hot water supply to users when compared to conventional in tank heating systems, even with load shifting being done. It also improves the storage efficiency of a plant, thereby allowing the available storage capacity of a plant to be utilized to its full extent for load shifting purposes.
机译：南非电力公司ESKOM当前将其需求侧管理（DSM）计划集中于控制每天18:00至20:00之间的电力负荷，这是该公司的需求高峰期。资金将提供给能源服务公司（ESCo's），以实施可以在此期间实现负荷转移的项目。本文介绍了如何将先前研究中开发的改进的管道热水概念应用于几种现实生活中的工业卫生热水系统中，从而获得ESKOM要求的DSM负载变化。提供了从这些电厂中选择的测量结果，以说明在18：00-20：00期间实现的显着负荷减少。测量结果还表明，在不降低使用热水系统所服务的淋浴和洗涤设施的人员获得足够热水的情况下，实现了峰值负荷降低。这些测量结果与预先进行模拟以预测项目的DSM潜力之间也存在很好的相关性。rn在线加热器的概念为卫生热水系统中的DSM提供了一种改进的解决方案，这是由于分层加热的方式给水箱供水。与常规的罐式加热系统相比，即使进行了负载转移，这也为用户提供了改善的热水供应。它还提高了工厂的存储效率，从而允许将工厂的可用存储容量完全用于负荷转移目的。

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