Abstract: A power source system includes a first power source, a second power source, a Direct Current to Direct Current converter, a first load including a vehicle control device configured to perform predetermined control regarding at least one of traveling, steering, and braking of the vehicle regardless of a driving operation performed by a driver of the vehicle, and an electric actuator as a control target of the vehicle control device, and connected to the first path so as to be supplied with power from the first power source, and a power source control device configured to control an operation of the Direct Current to Direct Current converter such that power is supplied to the first path from the second power source in a case where the predetermined control is performed.

Abstract: A power source system includes a first power source, a second power source, a Direct Current to Direct Current converter, a first load including a vehicle control device configured to perform predetermined control regarding at least one of traveling, steering, and braking of the vehicle regardless of a driving operation performed by a driver of the vehicle, and an electric actuator as a control target of the vehicle control device, and connected to the first path so as to be supplied with power from the first power source, and a power source control device configured to control an operation of the Direct Current to Direct Current converter such that power is supplied to the first path from the second power source in a case where the predetermined control is performed.

Abstract: A vehicle electrical system for a vehicle includes a power source, two low-voltage buses, two power-distribution boxes each electrically connected to the power source and to one of the low-voltage buses and positioned to control electrical flow from the power source to that low-voltage bus, and two low-voltage batteries each electrically connected to one of the power-distribution boxes and arranged to supply electricity to one of the low-voltage buses via that power-distribution box. Each power-distribution box is programmed to perform a test on its low-voltage battery, the tests being isolated from the other low-voltage battery.

Abstract: An apparatus may include a power rail, a subassembly, an additional subassembly, and an interface coupling the subassembly to the additional subassembly. The subassembly may include a load, an energy-storing component, a charger having an output coupled to the energy-storing component, and a reverse-current limiter having a first terminal coupled to the energy-storing component. The additional subassembly may include an additional energy-storing component, an additional charger having an output coupled to the additional energy-storing component, and an additional reverse-current limiter having a first terminal coupled to the additional energy-storing component. The power rail may cross the interface and may couple the load, an input of the charger, a second terminal of the reverse-current limiter, an input of the additional charger, and a second terminal of the additional reverse-current limiter. Various other apparatuses, systems, and methods are also disclosed.

Abstract: A power assembly module provides multiple interfaces for accessing a battery. A power input of the power assembly module can receive power from a variety of external sources. Photovoltaic panels, car batteries, or any other suitable DC power source can be used to charge the battery within the power assembly module. A switch provided on a housing of the module allows for activation or deactivation of power delivery from the battery, at outputs of the power assembly module. In some embodiments, the power assembly module includes a single power output that provides power from the battery using a cabled connector. Additionally, the power assembly module includes a power distribution element that provides power from a standard plug outlet for powering certain appliances that receive power using a standardized electric plug terminal.

Abstract: The present disclosure provides systems and methods for optimizing loading of battery inverters. A system may include a plurality of inverters configured to output power to a load; a switching system connected to the plurality of inverters; a plurality of energy storage units selectively coupled to the plurality of energy storage units by the switching system; and a controller. The controller can be configured to determine a required power for the load; determine a number of the plurality of inverters to provide the required power; determine a switching position for the switching system based on the determined number of the plurality of inverters, the switching position corresponding to power delivery by a set of the plurality of inverters; and send a control signal to the switching system to connect one or more of the plurality of energy storage units with the set of the plurality of inverters.

Abstract: A vehicle, in particular a logistics vehicle, includes a frame and a housing component secured in place thereon. An insert part on the housing component is insertable into a space region of the vehicle, and a first or a second energy store module is situated on the insert part and a DC/DC converter which is electrically connected to the energy store module.

Abstract: The invention relates to an electric or hybrid means of transport comprising a high voltage bus and a low voltage bus. The high voltage bus is for delivering energy to at least one propulsion motor. The low voltage bus is for delivering energy to parts operating at low voltage. The electric or hybrid means of transport is equipped with a solar panel, the panel comprising groups of solar cells connected to a primary bus of an associated distributed maximum power point tracker. The distributed maximum power point tracker having a secondary bus to exchange energy with other distributed maximum power point trackers. The secondary bus of at least one of the distributed maximum power point tracker is connected to the low voltage bus, thereby eliminating the need for a DC/DC converter between the high voltage bus and the low voltage bus.

Abstract: A climate control system for use in a transport vehicle is disclosed. The climate control system includes a variable speed electric load, a controller configured to determine a load of the variable speed electric load, and a battery pack voltage configurator circuit. The battery pack voltage configurator circuit includes a first battery bank providing a first voltage and a first current, a second battery bank providing a second voltage and a second current, and a plurality of switches. The controller is configured to control the plurality of switches based on the determined load of the variable speed electric load. The battery pack voltage configurator circuit is configured to provide an output voltage and an output current to drive the variable speed electric load. The output voltage and the output current vary in magnitude based on the control of the plurality of switches.

Abstract: A wireless power transmission method executed by a power transmitter comprising multi-coils, according to one embodiment of the present invention, comprises the steps of: detecting a second power receiver while transmitting power to a first power receiver; determining at least one primary coil adequate for power transmission; by using the determined at least one primary coil, determining whether the second power receiver supports a shared mode protocol; and if the second power receiver supports the shared mode protocol, transmitting power to the first and second power receivers according to the shared mode protocol, wherein the shared mode protocol may be a protocol for simultaneously managing information exchanges between the power transmitter and multiple power receivers.

Abstract: This disclosure presents a portable load bank apparatus, system, method of control, and method of manufacture. A portable load bank apparatus may comprise one or more of a vehicle, a load bank, a set of batteries, a set of battery chargers, one or more processors, and/or other components. The load bank may be configured to perform a load test of an external power source. The processor(s) may be configured to cause one or more battery chargers in the set of battery chargers to direct an amount of a power output received by the load bank from the external power source to the set of batteries. The set of batteries may be used to provide electrical energy to one or more of an electric motor of the vehicle, one or more other electric vehicle, and/or other sources that may need electrical energy.

Abstract: In one embodiment, an apparatus for redundant control of active fuses for battery pack safety is provided, comprising a battery; an electrical load coupled to the battery via a fuse capable of being activated by an electrical signal; a sensor configured to sense a short circuit condition at the electrical load and output an analog sensor signal; an analog-to-digital converter configured to sample the analog sensor signal and output a digital sensor signal; a microcontroller configured to detect the short circuit condition at the electrical load based on the digital sensor signal, and, during normal operation, to output a first electrical signal to activate the fuse after detecting the short circuit condition at the electrical load; and an analog circuit configured to operate independently of the microcontroller to receive the analog sensor signal and output a second electrical signal to activate the fuse after receiving the analog sensor signal.

Abstract: Connection and control concepts for battery packs in a high voltage battery assembly are provided. Parallel, modular configurations permit improved safety, voltage balancing, and redundancy, improving operation and reliability of an associated high voltage electrical vehicle such as a heavy-duty truck.

Abstract: Techniques for distributing electrical power to a plurality of electrical loads can include coupling an existing group of electrical loads to a common power source through a load management system, measuring an aggregate group current drawn by at least the existing group of electrical loads and comparing the measured aggregate group current to an aggregate group current threshold value. When the measured aggregate group current exceeds the aggregate group current threshold value, increase a number of subgroups of the existing group, using subgroups that are formed without requiring information about individual current associated with the individual electrical loads, sequentially apply power to individual subgroups during non-overlapping time periods, sequentially measure at least a corresponding current drawn by the individual subgroups while power is applied to the subgroups, and sequentially comparing the measured current to a threshold value.

Abstract: A switch detection circuit includes a controller, a first DC isolation module, a second DC isolation module, and a signal conditioning module connected to the controller. The controller is connected to a first end of an external switch via the first DC isolation module and the signal conditioning module is connected to a second end of the external switch via the second DC isolation module. The controller is configured to output a pulse signal, and transmit the pulse signal to the second DC isolation module via the first DC isolation module and the external switch. As a current flowing out from the second DC isolation module, the signal conditioning module outputs a feedback signal to the controller and the controller counts according to the feedback signal and detects the working state of the external switch according to the count value.

Abstract: A power system provides power from a power source to a load via a distribution bus, and includes a DC-DC converter coupled in parallel with a network of switching elements coupled between an output terminal of the power source and the distribution bus. A controller is configured to selectively activate or deactivate the DC-DC converter and each of the switching elements to enable the power source to power the load via the distribution bus. The switching elements may be transistors, and the diodes may be parasitic body diodes of the transistors. The power source may be a battery, such as a rechargeable battery. An output voltage level from the battery may be regulated by the controller as a function of operation of the DC-DC converter and a number of the activated or deactivated transistors.

Abstract: A system and method of capacitance management in an agricultural vehicle and connected implement, wherein the vehicle and implement have a plurality of electric drives connected to a common connection and connectable to a direct current supply, and each electric drive has an associated Y capacitor between each direct current supply connection and the common connection, wherein the method includes receiving and summing capacitance values for each of the electric drives and comparing with a stored threshold value. If the threshold value is exceeded, a sequence of selective disconnections of individual electric drives is performed until the sum of the received capacitance values is less than or equal to the threshold value. The method may be performed manually, or automatically based on a sequence defined in a priority list until the sum of the received capacitance values is less than or equal to the threshold value.

Abstract: An inverter subsystem that includes a direct current (DC) bus, a DC terminal, and a power storage interface that is configured to be connected to power storage. The DC terminal is configured to be: (1) connected to the DC bus via an internally-facing side of the DC terminal and (2) connected to a load via an externally-facing side of the DC terminal. The load is powered via the DC terminal.

Abstract: An electric machine and method for powering the electric machine using interchangeable power modules that are configured to be interchangeably placed within power bays of the electric machine is disclosed. The electric machine includes an electrical module that is configured to receive power from one or more of the power modules placed in the power bays and transform, such as from DC to multi-phase alternating current (AC), and provide the power to one or more motors of the electric machine. The power modules may be of the same dimensions, same electrical interfaces, and/or same power output (e.g., type, magnitude) as each other to enable the interchangeability of the power modules. The power modules may be ones that generate power or ones that store energy. In some cases, the generating power modules may charge the energy storage power modules, while the energy storage power modules power the electric machine.

Abstract: A current supply system of a team vehicle includes a towing vehicle operable in a cable-interconnected manner and an agricultural rear-mounted device coupled to the towing vehicle. The agricultural rear-mounted device has working equipment for performing a ground processing function. A base mast is allocated to the towing vehicle for producing a cable connection to a current supply interface of a first team vehicle that is travelling ahead, and an additional mast includes a further current supply interface allocated to the agricultural rear-mounted device for producing a further cable connection to a second team vehicle that is following. The additional mast is downstream of the working equipment of the agricultural rear-mounted device when viewed in a forward direction of travel of the team vehicle.