The DC leakage current detector for detecting leakage current in a DC bus includes a pair of transformers each comprising a magnetic core and excitation and detection windings would about the magnetic core, with the magnetic core positionable about a pair of conductors that create a magnetic field that is a sum of currents in the conductors. An excitation and biasing circuit is connected to the excitation winding in each transformer to inject a current signal thereto that creates a changing magnetic flux in the core of each transformer and a detector output connected to the detection winding in each transformer to receive a voltage therefrom generated responsive to the magnetic flux in the core of each transformer, wherein the voltage on the detection windings provides a net voltage at the detector output whose value is indicative of a presence of a leakage current on the DC bus.

A charging cable unit for a charging column of an electric filling station has a cooling unit and a charging cable which is preferably provided with cable shoes. The coding unit includes a heat exchanger with first connections and second connections. The charging cable has a secondary coolant circuit that is fluidically connected to the second connections. The cooling unit is designed to cool the secondary coolant circuit if the first connections are fluidically connected to a common primary coolant circuit of the electric filling station. Also described is a mounting method using such a charging cable unit.

A system and method for leakage current detection and fault location identification in a DC power circuit is disclosed. The system includes a plurality of DC leakage current detectors positioned throughout the DC power circuit, the DC leakage current detectors configured to sense and locate a leakage current fault in the DC power circuit. Each of the DC leakage current detectors is configured to generate a net voltage at an output thereof indicative of whether a leakage current fault is present at a location at which the respective DC leakage current detector is positioned. A logic device in operable communication with the DC leakage current detectors receives output signals from each DC leakage current detector comprising the net voltage output and locates the leakage current fault in the DC power circuit based on the output signals received from the plurality of DC leakage current detectors.

A method for generating a new ground speed power take-off (G-PTO) map that includes a relationship between a current work vehicle speed and a target speed of a power take-off (PTO). The method includes setting a work vehicle speed for a point to be included in the new G-PTO map, setting a PTO speed for the point to be included in the new G-PTO map, plotting the point on the new G-PTO map, and plotting a line on the new G-PTO map based on the point.

The present invention includes an apparatus and method for volumetric and gravimetric storage of reactants and waste comprising: one or more reactant or fuel storage bladders; and one or more waste storage bladders, wherein the reactant or fuel storage bladders and the waste storage bladders form a stack of bladders, and the stack of bladders are interleaved between the reactant or fuel storage bladders and the waste storage bladders, such that both a volumetric and a gravimetric balance is maintained as reactant or fuel are used and the waste bladder is filled.

The present invention provides a novel system and method for a power management strategy for series hybrid power systems, such as for vehicles, with limited electrical energy storage capacity that distributes instantaneous power between a source of chemical energy and a small energy storage system (ESS) efficiently. The invention provides for minimizing the energy storage system while simultaneously allowing the chemical to electrical energy converter, e.g., an internal combustion motor/engine paired with an electrical generator and/or a fuel cell power source, to operate in pre-defined efficient regions of the power user's, or vehicle's, fuel efficiency map.

Method and apparatus are disclosed for active sound desensitization to tonal noise in a vehicle. An example vehicle includes an electric motor, a microphone, speakers, and an active sound desensitizer. The active sound desensitizer (a) randomizes channels of the speakers based on multiple uncorrelated broadband sound profiles, (b) determine upper and lower frequency band limits for a band-limited filter, (c) generate a desensitizing sound based on the upper and lower frequency band limits and the randomized channels, and (d) broadcast the desensitizing sound via the speakers.

Disclosed are control algorithms and system architectures for managing wireless vehicle charging, including vehicles with rechargeable battery packs, wireless charging capabilities, and control logic for governing such charging. A method is disclosed for managing charging of an electrical storage unit of a motor vehicle at a wireless vehicle charging station. The method includes: receiving a sensor signal indicating detection of an obstruction within a predetermined proximity of the vehicle charging station; determining whether the detected obstruction is living or lifeless; initiating, via a vehicle controller responsive to the detected obstruction being a living object, a first remedial action strategy that commands the vehicle to generate a visual or audible cue to drive away the living object; and, initiating, via the vehicle controller responsive to the detected obstruction being a lifeless object, a second remedial action strategy that commands the motor vehicle to move and thereby avoid contact with the object.

The fuel cell vehicle includes a fuel cell placed in a front room, an air compressor placed below the fuel cell in the front room to supply the fuel cell with cathode gas, and a refrigerant supply pump placed below the fuel cell in the front room to supply the fuel cell with a refrigerant. The refrigerant supply pump is placed forward of the air compressor.

One or more controllers, responsive to detecting a voltage at a jump start power input of a vehicle, attempt activation of a secondary power converter of the vehicle, and responsive to the activation of the secondary power converter being unsuccessful, attempt activation of a primary power converter of the vehicle.