Assembly and Method for Supplying Electrical Energy to Electrical Traction Motors in a Rail Vehicle, in Particular in a Train Set
First Claim
1. Assembly for supplying electrical energy to electrical traction motors (17) in a rail vehicle, in particular in a train set, wherein the assembly comprises:
- at least one internal combustion engine (1),a generator (3) allocated to the at least one internal combustion engine (1) in order to generate electrical energy, wherein the generator (3) is mechanically coupled to the internal combustion engine (1) such that it is driven by the internal combustion engine (1) upon generator operation of the generator (3),a rectifier (5) for rectifying an electrical alternating current generated by the generator (3),a direct voltage intermediate circuit (7), which is electrically connected to the generator (3) via the rectifier (5),a generator inverter (36), which is present in addition to the rectifier (5) or which is the rectifier (57) operated in the inverter mode, wherein the generator inverter (36, 57) connects the direct voltage intermediate circuit (7) to the generator (3) in order to operate the generator (3) in a motorized mode as a motor,a control (51) for controlling the motorized mode of the generator (3),wherein the control (51) has a signal input for receiving a signal which signals that no drive power is demanded from the internal combustion engine (1), wherein an idle speed or a range of idle speeds of the internal combustion engine (1) is specified and the control (51) is configured, upon reception of the signal, to control the motorized operation of the generator (3) such that the internal combustion engine (1) is driven by the generator (3) at the specified idle speed or at an idle speed in the range of specified idle speeds, wherein electrical energy from the direct voltage intermediate circuit (7) is supplied to the generator (3) via the inverter.
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Accused Products
Abstract
An assembly for supplying electrical energy to electrical traction motors in a rail vehicle, wherein the assembly includes at least one internal combustion engine, a generator allocated to the at least one internal combustion engine for generating the electrical energy, wherein the generator is mechanically coupled to the internal combustion engine such that it is driven by the internal combustion engine upon generator operation of the generator, a rectifier for rectifying an electrical alternating current generated by the generator, a direct voltage intermediate circuit that is electrically connected to the generator via the rectifier, a generator inverter that is present in addition to the rectifier or that is the rectifier operated in the inverter mode, wherein the generator inverter connects the direct voltage intermediate circuit to the generator in order to operate the generator in a motor mode as a motor, and a control for controlling the motor mode of the generator.
50 Citations
15 Claims
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1. Assembly for supplying electrical energy to electrical traction motors (17) in a rail vehicle, in particular in a train set, wherein the assembly comprises:
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at least one internal combustion engine (1), a generator (3) allocated to the at least one internal combustion engine (1) in order to generate electrical energy, wherein the generator (3) is mechanically coupled to the internal combustion engine (1) such that it is driven by the internal combustion engine (1) upon generator operation of the generator (3), a rectifier (5) for rectifying an electrical alternating current generated by the generator (3), a direct voltage intermediate circuit (7), which is electrically connected to the generator (3) via the rectifier (5), a generator inverter (36), which is present in addition to the rectifier (5) or which is the rectifier (57) operated in the inverter mode, wherein the generator inverter (36, 57) connects the direct voltage intermediate circuit (7) to the generator (3) in order to operate the generator (3) in a motorized mode as a motor, a control (51) for controlling the motorized mode of the generator (3), wherein the control (51) has a signal input for receiving a signal which signals that no drive power is demanded from the internal combustion engine (1), wherein an idle speed or a range of idle speeds of the internal combustion engine (1) is specified and the control (51) is configured, upon reception of the signal, to control the motorized operation of the generator (3) such that the internal combustion engine (1) is driven by the generator (3) at the specified idle speed or at an idle speed in the range of specified idle speeds, wherein electrical energy from the direct voltage intermediate circuit (7) is supplied to the generator (3) via the inverter. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. Method for supplying electrical energy to traction motors (17) in a rail vehicle, in particular in a train set, wherein:
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at least one internal combustion engine (1) in generator operation drives a generator (3) allocated to the internal combustion engine (1), the generator (3) generates electrical energy, the generated electrical energy is rectified and fed into a direct voltage intermediate circuit (7) from which the at least one traction motor (17) is supplied with traction energy, the generator (3) in motorized operation of the generator (3) acquires electrical energy from the direct voltage intermediate circuit (7) and drives the internal combustion engine (1), in the motorized mode of the generator (3) upon reception of a signal which signals that no drive power is demanded from the internal combustion engine (1), the generator (3) is controlled such that the internal combustion engine (1) is driven by the generator (3) at a specified idle speed or at an idle speed in a specified range of idle speeds. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification