Integrated multiple power conversion system for transport refrigeration units
A refrigeration system and subsystem technology, applied in household refrigeration devices, refrigerators, refrigeration components, etc., can solve problems such as the inability to allow the vehicle refrigeration system to stop working, the vehicle DC battery bus is not suitable for operating refrigeration components, and multi-power problems.
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[0012] Definition: "Road Mode" is defined as the condition in which the engine of a refrigerated vehicle is running. "Standby mode" is defined as a condition in which the engine of the refrigerated vehicle is not running and an AC connection is made between the commercial AC grid and the refrigeration unit.
[0013] exist figure 1 One embodiment of an electrical subsystem 100 using an AC generator 110 is shown in FIG. When the power source is the vehicle engine, AC power (typically in the range from 150 to 400VAC) from the AC generator 110 can power the AC / AC converter 101 (electronic power module) during "road mode". The AC generator 110 may be an AC generator having a rotor winding and a stator winding, one of these windings being powered by DC current, or may be a conventional permanent magnet AC generator. AC generator 110 may also include an optional AC voltage regulator ( figure 1 not shown) to maintain a relatively constant AC voltage over the vehicle engine speed ra...
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