| 摘要 |
PURPOSE: A cooling system for an electric part of hybrid construction machinery is provided to have no need to comprise an additional cooling system for the electric parts depending on a temperature range because a plurality of the electric parts is maintained at a normal temperature range by cooling the same with one cooling water pipe so that manufacturing costs can be reduced. CONSTITUTION: A cooling system for an electric part of hybrid construction machinery comprises a radiator(10), a water pump(20), and a plurality of the electric parts. The radiator, the water pump, and the electric parts are connected in series with a hose, thereby forming a single circulation route. Water cooled by the radiator sequentially passes through the electric parts. The cooled water is circulated by the pressure of the pump to the radiator. [Reference numerals] (10) Radiator; (30) Capacitor; (40) Inverter; (50) Turning motor; (60) Engine auxiliary motor; (AA) Cooling fan
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