发明名称 APPARATUS AND METHOD FOR COOLING POWER TRANSFORMERS
摘要 A system (27) for reducing the temperature of cooling oil for a power transformer (12) includes a heat exchanger (44) interposed in the cooling oil system. The heat exchanger (44) relies upon a liquid-to-liquid exchange of heat from the heated oil to a coolant flowing through the heat exchanger. In one embodiment, the coolant provided to the heat exchanger is obtained from an absorption chiller (65). Heat energy is provided to the chiller (65) from a heat storage device (80). In a specific embodiment, the heat storage source (80) can be a phase change material device. In a preferred cooling system, a programmable controller (55) determines the activation and operation of the system. The controller (55) can sense transformer or cooling oil temperature to trigger activation. In a preferred embodiment, the controller (55) compares a current temperature history against a temperature profile to anticipate increased cooling requirements. In certain embodiment, excess, off-peak or waste heat from the transformer (12) itself is provided to the heat storage device (80) or to the phase change heat exchanger.
申请公布号 KR20030007381(A) 申请公布日期 2003.01.23
申请号 KR20027006370 申请日期 2000.11.17
申请人 发明人
分类号 H01F27/12;H01F27/16;F25B15/00;F25B25/00;H01F27/10 主分类号 H01F27/12
代理机构 代理人
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