Electric machine with integrated power electronics and method for producing the bond of the DC bars with the DC contacts surfaces of the power semiconductor of the power electronics
First Claim
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1. An electric machine with integrated power electronics, the electronic machine being modularly constructed and comprising:
- a stator carrier (2),a power semiconductor control (10),a positive DC bar (4),a negative DC bar (5),a power semiconductor (8), anda cooling duct (12) for cooling the integrated power electronics, and the electric machine, a stator (1) and a stator winding (3), each of which is prefabricated and separately installed in the electric machine;
wherein the positive DC bar (4) and the negative DC bar (5) are located so as to be essentially superimposed when radially viewed along a rotational axis and so as to be essentially parallel when axially viewed normal to the rotational axis, andan insulator (14) is situated between the positive DC bar (4) and the negative DC bar (5) with contact surfaces (22A, 22B) between the insulator (14) and the positive DC bar (4) and the negative DC bar (5) so that the insulator (14), the positive DC bar (4) and the negative DC bar (5) together comprise an intermediate circular capacitor (20) for the power electronics.
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Abstract
The proposed electric machine with integrated power electronics is modularly constructed, it being possibly prefabricated and separately to install the parts stator carrier (2), control (10) for the power semiconductor DC+ (4), DC bars (5), power semiconductor (8), cooling duct (12) for power electronics and electric machine, stator (1) and stator winding (3).
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Citations
7 Claims
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1. An electric machine with integrated power electronics, the electronic machine being modularly constructed and comprising:
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a stator carrier (2), a power semiconductor control (10), a positive DC bar (4), a negative DC bar (5), a power semiconductor (8), and a cooling duct (12) for cooling the integrated power electronics, and the electric machine, a stator (1) and a stator winding (3), each of which is prefabricated and separately installed in the electric machine; wherein the positive DC bar (4) and the negative DC bar (5) are located so as to be essentially superimposed when radially viewed along a rotational axis and so as to be essentially parallel when axially viewed normal to the rotational axis, and an insulator (14) is situated between the positive DC bar (4) and the negative DC bar (5) with contact surfaces (22A, 22B) between the insulator (14) and the positive DC bar (4) and the negative DC bar (5) so that the insulator (14), the positive DC bar (4) and the negative DC bar (5) together comprise an intermediate circular capacitor (20) for the power electronics. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification