Abstract: A cooling apparatus of a power module includes a guide provided inside a manifold cover to control a flow of a cooling fluid, wherein the cooling fluid circulated inside the manifold cover forms a vertical turbulent flow by the guide so that cooling efficiency of the power module is secured only using an internal structure of the manifold cover. Thus, heat dissipation performance is improved without a separate fin plate or a separate nozzle injection device.

Abstract: An embodiment cooling apparatus for a power module includes a manifold cover provided with an inner space that defines a flow path for a cooling fluid and in which the power module can be embedded, a fin plate embedded in the manifold cover so as to contact the power module and including a plurality of cooling fins on a surface facing an inner surface of the manifold cover, and a guide wall extending from the inner surface of the manifold cover in a flow direction of the cooling fluid to define a plurality of first channels having first closed ends and second channels having second closed ends, the guide wall overlapping the cooling fins and having an end portion in contact with the cooling fins to allow the cooling fluid to flow to the first channels and the second channels between the cooling fins in the manifold cover.

Abstract: A cooling apparatus for a power module including a plurality of cooling modules provided to be in contact with each of both surfaces of the power module, in which the cooling module includes a manifold cover provided with a plurality of guide walls extending in a first direction in a state of being spaced apart from each other and a pin plate having one surface being in contact with the power module and having a plurality of pins extending in a second direction crossing the first direction formed on the other surface thereof.

Abstract: A double-sided cooling apparatus for a power module, includes a first cooling module provided to be in contact with a first side of the power module to which a switching device is mounted, and allowing cooling fluid to flow therein; and a second cooling module provided to be in contact with a second side of the power module provided opposite to the first side, and including a tube allowing the cooling fluid to flow in the tube, wherein the first cooling module includes a manifold cover including a plurality of cooling channels formed by a plurality of guide walls extending in a first direction, and a fin plate including a plurality of fins extending in a second direction intersecting the first direction, and the cooling channel includes a blocker formed in a predetermined portion of the cooling channel so that the cooling fluid in the first cooling module flows in a mixed form of lateral flow and vertical flow of the cooling fluid.

Abstract: An inverter-integrated motor apparatus employing a simplified structure that connects an inverter assembly into which a power module, a cooling device, and a capacitor are integrally combined and a motor assembly, is configured for securing the cooling performance through water cooling.

Abstract: A power apparatus includes a first power bus bar provided at a first power part, a second power bus bar provided at a second power part coupled to the first power part while communicating internally with the first power part, the second power bus bar being fastened to the first power bus bar, a first interlock bus bar provided at the first power part while being connected to an interlock terminal of a controller disposed within the first power part, a second interlock bus bar provided at the second power part while being fastened to the first interlock bus bar, and a safety cover fastened to a fastening portion between the first interlock bus bar and the second interlock bus bar while covering a fastening portion between the first power bus bar and the second power bus bar.

Abstract: The present disclosure provides a capacitor module including: a capacitor; a first housing having a hexahedron shape and having an inner space in which the capacitor is disposed, the first housing including a pair of cooling parts recessed inwards from a pair of parallel surfaces among outer side surfaces thereof such that a refrigerant flows, a pair of cooling channels disposed inside opposite side surfaces perpendicular to the surfaces of the pair of cooling parts such that the pair of cooling parts communicate with each other, and a through-hole configured to connect each of the cooling channels to the outside such that the refrigerant is introduced or discharged therethrough; and a cooling plate coupled to the first housing so as to seal the cooling parts.

Abstract: A power apparatus includes a first power bus bar provided at a first power part, a second power bus bar provided at a second power part coupled to the first power part while communicating internally with the first power part, the second power bus bar being fastened to the first power bus bar, a first interlock bus bar provided at the first power part while being connected to an interlock terminal of a controller disposed within the first power part, a second interlock bus bar provided at the second power part while being fastened to the first interlock bus bar, and a safety cover fastened to a fastening portion between the first interlock bus bar and the second interlock bus bar while covering a fastening portion between the first power bus bar and the second power bus bar.

Abstract: A connecting structure for coupling connectors includes a male connector, and a female connector connected to the male connector. The male connector includes: a base; a first terminal portion provided on an upper surface of the base; and an edge portion protruding from the upper surface of the base to surround the first terminal portion. In particular, the edge portion includes a coupling protrusion protruding from an outer surface of the edge portion. In addition, the female connector includes: a second terminal portion to be connected to the first terminal portion; an inner seal that is provided in the second terminal portion and inserted inside the edge portion; and a casing including an inner space where the second terminal portion is provided, and a coupling groove having a shape corresponding to the coupling protrusion.

Abstract: A connecting structure for coupling connectors includes a male connector, and a female connector connected to the male connector. The male connector includes: a base; a first terminal portion provided on an upper surface of the base; and an edge portion protruding from the upper surface of the base to surround the first terminal portion. In particular, the edge portion includes a coupling protrusion protruding from an outer surface of the edge portion. In addition, the female connector includes: a second terminal portion to be connected to the first terminal portion; an inner seal that is provided in the second terminal portion and inserted inside the edge portion; and a casing including an inner space where the second terminal portion is provided, and a coupling groove having a shape corresponding to the coupling protrusion.

Abstract: A high voltage connector is provided that includes a female body, a male body, and a safety pin. The female body has an insertion bore, a push bar, and an engagement portion. The male body is inserted in the female body. An upper end portion of the male body has an engagement hook positioned to correspond to the engagement portion to engage the engagement hook and the engagement portion when the male body is inserted into the insertion bore of the female body. In addition, a first side of the safety pin is inserted in an upper portion of the insertion bore in the female body and contacts first sides of the engagement portion and the engagement hook. A second side of the safety pin is exposed and has a pin recess into which a removal tool is to be inserted.

Abstract: A high voltage connector is provided that includes a female body, a male body, and a safety pin. The female body has an insertion bore, a push bar, and an engagement portion. The male body is inserted in the female body. An upper end portion of the male body has an engagement hook positioned to correspond to the engagement portion to engage the engagement hook and the engagement portion when the male body is inserted into the insertion bore of the female body. In addition, a first side of the safety pin is inserted in an upper portion of the insertion bore in the female body and contacts first sides of the engagement portion and the engagement hook A second side of the safety pin is exposed and has a pin recess into which a removal tool is to be inserted.

Abstract: An inverter for a vehicle is disclosed. The inverter for the vehicle illustratively includes: a power module provided with a power semiconductor device; a cooling module coupled to the power module and flowing a coolant therethrough; and a capacitor module mounted at the cooling module through a mounting unit and adapted to absorb a ripple current of the power module.

Abstract: The present invention provides a motor drive system for a hybrid vehicle and a method for controlling the same in the event of a failure in a voltage converter, in which high voltage stored in a DC-link capacitor is discharged to a 12V electrical load through a DC-DC converter, of which the output voltage is increased.

Abstract: A method for controlling a cooling system for controlling a power converter of a hybrid electric vehicle includes: estimating the temperature of a power converter at the time of a CAN communication error as a current temperature of the power converter and controlling a cooling system at a cooling rate based on the estimated temperature; and controlling the cooling rate of the cooling system depending on whether an output of the power converter is greater than a reference value. According to the method, the cooling system can be more effectively controlled.

Abstract: An inverter for a vehicle is disclosed. The inverter for the vehicle illustratively includes: a power module provided with a power semiconductor device; a cooling module coupled to the power module and flowing a coolant therethrough; and a capacitor module mounted at the cooling module through a mounting unit and adapted to absorb a ripple current of the power module.

Abstract: The present invention provides a motor drive system for a hybrid vehicle and a method for controlling the same in the event of a failure in a voltage converter, in which high voltage stored in a DC-link capacitor is discharged to a 12V electrical load through a DC-DC converter, of which the output voltage is increased.

Abstract: A method for controlling a cooling system for controlling a power converter of a hybrid electric vehicle includes: estimating the temperature of a power converter at the time of a CAN communication error as a current temperature of the power converter and controlling a cooling system at a cooling rate based on the estimated temperature; and controlling the cooling rate of the cooling system depending on whether an output of the power converter is greater than a reference value. According to the method, the cooling system can be more effectively controlled.