Abstract
The ORC system is being used to obtain electrical energy from renewable energy. Generally, renewable energy such as solar heat, geothermal heat and wind power cannot supply energy constantly depending on time and geographical factors. Moreover, the waste heat of the industry also cannot be supplied with constant waste thermal energy according to the production process. In this study, a cycle analysis was performed based on the designed and manufactured equipment based on the design point when the thermal energy of heat source is fluctuated. In addition, we analyzed the effect of a regenerator applied to improve the system efficiency. When a regenerator is applied to the 100 KW class ORC where the temperature supplied from the heat source is changed from the maximum temperature of 160℃ to the low temperature, the efficiency of the system can be increased about 0.5% by the applied regenerator. In this case, the efficiency of the system was obtained about 11%.
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