| 摘要 |
PURPOSE:To enable constant temperature hot water supply by providing a heat exchanger in the second circuit of oil filled in a transformer and lowering the temperature of insulation oil by a radiator when the temperature of the insulation oil rises above a definite value. CONSTITUTION:For example, when a transformer 1 is applied with voltage and insulation oil 4 reaches to a definite temperature, each motor pump 10, 13 of the second oil circuit 9 and a water circuit 11 is driven by a temperature sensor 19 and a monitoring and control equipment 20. The insulation oil 4 in a tank 2 circulates between a heat exchanger 8 and the tank 2. On the other hand, water 14 which circulates between the heat exchanger and a hot water tank 12 is heated by heat exchange. When the temperature of the insulation oil 4 rises above a definite value, a motor pump 7 is driven by the temperature sensor 19 and the monitoring and control equipment 20 and the insulation oil 4 is circulated forcibly between the tank 2 and the radiator 5 whereby the temperature of the insulation oil 4 is lowered to a definite value. This enables supply of constant temperature hot water. |
