Abstract: A method for optimizing power distribution amongst one or more electrical supply equipment stations at a power distribution site is provided. The method includes obtaining infrastructure data about the power distribution site, obtaining vehicle/transport climate control system data from one or more transport climate control systems and one or more vehicles demanding power from the one or more electrical supply equipment, and obtaining external data from an external source that can impact power demand from the one or more transport climate control systems. Each of the one or more transport climate control systems configured to provide climate control within a climate controlled space. The method also includes generating an optimized power distribution schedule based on the infrastructure data, the vehicle/transport climate control system data and the external data, and distributing power to the one or more transport climate control systems based on the optimized power distribution schedule.

Abstract: A power cord for transferring power to an electrically powered accessory configured to be used with at least one of a vehicle, a trailer, and a transport container is provided. The power cord includes a DC wire portion, an AC wire portion, and a single plug at one end of the power cord. The DC wire portion provides DC power to the electrically powered accessory. The AC wire portion provides AC power to the electrically powered accessory. The DC wire portion and the AC wire portion each have a first end and a second end. The single plug is connected to the first end of the DC wire portion and connected to the first end of the AC wire portion and includes an AC contact arrangement, a DC contact arrangement, and a communication contact arrangement.

Abstract: The present disclosure relates to a method of operating a motor having a rotary component coupled to a mechanical load. The method includes determining a fluctuating speed demand corresponding to a temporally varying component of a speed of the rotary component. The method also includes determining a rotary component speed reference value based on the fluctuating speed demand. Also, the method includes controlling the motor in accordance with the rotary component speed reference value. The fluctuating speed demand is determined so as to reduce variations in a total power drawn or provided by the motor in use.

Abstract: The present disclosure relates to a system for stabilising a DC link that supplies power to a load. The system comprises a power converter electrically coupled to the DC link. The power converter is configured to: supply power to or draw power from the DC link; monitor a voltage of the DC link; and control the power supplied to, or drawn from, the DC link based on the monitored voltage of the DC link and an operating voltage setpoint.

Abstract: The present disclosure relates to an apparatus comprising a controller, an inverter, a load and a DC link. The DC link is coupled to the load and couplable to a power source. The load comprises an AC electrical component. The inverter is configured to provide an output voltage and an output current to the AC electrical component, the output voltage having an output frequency. The controller is configured to: evaluate a component startup criterion relating to whether the AC electrical component is performing a startup process; in response to a determination that the component startup criterion has been met, operate the inverter in a protected startup mode; and when operating the inverter in the protected startup mode, control the output frequency such that the output frequency increases with time until the output frequency reaches a predefined operating frequency.

Abstract: An electrical system and method of operating the same is provided. The electrical system includes a passive filter, an active power converter, a first AC connecting bus extending between the active power converter and the passive filter, a second AC connecting bus extending between the passive filter and an AC network, a DC connecting bus extending between the active power converter and a DC network, and a monitoring arrangement. The method includes operating in a first mode and subsequently operating in a second mode. The first mode includes determining a plurality of parameters of an operating AC voltage of the AC network based on a monitored AC voltage on the first AC connecting bus. The second mode includes controlling the active power converter to convert a DC voltage received from the DC network into an AC voltage for supply to the AC network via the passive filter.

Abstract: The present disclosure relates to an apparatus for supplying electrical power to a transport refrigeration unit. The apparatus comprises: a power converter including a rectifier, a first inverter and a DC link; a power distribution unit electrically coupled to the DC link; and a second inverter with an input for electrically connecting to an electrical generator and an output for electrically connecting to the power distribution unit or the DC link. The DC link is electrically connected to an output of the rectifier and an input of the first inverter. An input of the rectifier is electrically connectable to a power source external to the apparatus. An output of the first inverter is electrically couplable to the transport refrigeration unit. The second inverter is configured to convert an alternating current voltage supplied at the input into a direct current voltage for supply at the output.

Abstract: A method for optimizing power distribution amongst one or more electrical supply equipment stations at a power distribution site is provided. The method includes obtaining infrastructure data about the power distribution site, obtaining vehicle/transport climate control system data from one or more transport climate control systems and one or more vehicles demanding power from the one or more electrical supply equipment, and obtaining external data from an external source that can impact power demand from the one or more transport climate control systems. Each of the one or more transport climate control systems configured to provide climate control within a climate controlled space. The method also includes generating an optimized power distribution schedule based on the infrastructure data, the vehicle/transport climate control system data and the external data, and distributing power to the one or more transport climate control systems based on the optimized power distribution schedule.

Abstract: The present disclosure relates to a power converter for use in a host vehicle. The power converter comprises a DC link, a DC link capacitor, and a pre-charge circuit configured to charge the DC link capacitor. The pre-charge circuit comprises a boost converter comprising a switch and inductor coupling terminals configured to couple to an inductive component external to the power converter.

Abstract: A method for optimizing power distribution amongst one or more electrical supply equipment stations at a power distribution site is provided. The method includes obtaining infrastructure data about the power distribution site, obtaining vehicle/transport climate control system data from one or more transport climate control systems and one or more vehicles demanding power from the one or more electrical supply equipment, and obtaining external data from an external source that can impact power demand from the one or more transport climate control systems. Each of the one or more transport climate control systems configured to provide climate control within a climate controlled space. The method also includes generating an optimized power distribution schedule based on the infrastructure data, the vehicle/transport climate control system data and the external data, and distributing power to the one or more transport climate control systems based on the optimized power distribution schedule.

Abstract: The present disclosure relates to a power converter for use in a host vehicle. The power converter comprises a DC link, a DC link capacitor, and a pre-charge circuit configured to charge the DC link capacitor. The pre-charge circuit comprises a boost converter comprising a switch and inductor coupling terminals configured to couple to an inductive component external to the power converter.

Abstract: An optimized power converter for use in a transport electrical system that provides power to a transport climate control system is provided. The optimized power converter includes an optimized DC/DC converter and an inverter/active rectifier. The optimized DC/DC converter is only boosts a voltage level when current is directed from a rechargeable energy storage to the inverter/active rectifier and only bucks a voltage level when current is directed from the inverter/active rectifier to the rechargeable energy storage. In a charging mode, the inverter/active rectifier converts three phase AC power into DC power, and the optimized power converter bucks the DC power to a voltage level that is acceptable for charging the rechargeable energy storage. In a discharge mode, the optimized DC/DC converter boosts voltage from the rechargeable energy storage, and the inverter/active rectifier converts boosted DC power into three phase AC power for powering a transport climate control system load.

Abstract: A method of power demand management is provided. The method includes an electrically powered climate control unit (CCU) detecting one or more additional electrically powered CCUs in a vicinity of the electrically powered CCU and the CCU establishing a communication link with the one or more additional electrically powered CCUs. The method includes generating and transmitting a pending power request to demand power from the power source to the CCU. The CCU monitors for one or more additional pending power requests from the one or more additional CCUs and monitors its position within a power request queue for obtaining power from the power source amongst the CCU and the one or more additional CCUs. Also, the method includes the electrically powered CCU demanding power from the power source when its position within the power request queue is high enough to demand power from the power source.

Abstract: A power cord for transferring power to an electrically powered accessory configured to be used with at least one of a vehicle, a trailer, and a transport container is provided. The power cord includes a DC wire portion, an AC wire portion, and a single plug at one end of the power cord. The DC wire portion provides DC power to the electrically powered accessory. The AC wire portion provides AC power to the electrically powered accessory. The DC wire portion and the AC wire portion each have a first end and a second end. The single plug is connected to the first end of the DC wire portion and connected to the first end of the AC wire portion and includes an AC contact arrangement, a DC contact arrangement, and a communication contact arrangement.

Abstract: A power cord for transferring power to an electrically powered accessory configured to be used with at least one of a vehicle, a trailer, and a transport container is provided. The power cord includes a DC wire portion, an AC wire portion, and a single plug at one end of the power cord. The DC wire portion provides DC power to the electrically powered accessory. The AC wire portion provides AC power to the electrically powered accessory. The DC wire portion and the AC wire portion each have a first end and a second end. The single plug is connected to the first end of the DC wire portion and connected to the first end of the AC wire portion and includes an AC contact arrangement, a DC contact arrangement, and a communication contact arrangement.

Abstract: An optimized power converter for use in a transport electrical system that provides power to a transport climate control system is provided. The optimized power converter includes an optimized DC/DC converter and an inverter/active rectifier. The optimized DC/DC converter is only boosts a voltage level when current is directed from a rechargeable energy storage to the inverter/active rectifier and only bucks a voltage level when current is directed from the inverter/active rectifier to the rechargeable energy storage. In a charging mode, the inverter/active rectifier converts three phase AC power into DC power, and the optimized power converter bucks the DC power to a voltage level that is acceptable for charging the rechargeable energy storage. In a discharge mode, the optimized DC/DC converter boosts voltage from the rechargeable energy storage, and the inverter/active rectifier converts boosted DC power into three phase AC power for powering a transport climate control system load.

Abstract: A power cord for transferring power to an electrically powered accessory configured to be used with at least one of a vehicle, a trailer, and a transport container is provided. The power cord includes a DC wire portion, an AC wire portion, and a single plug at one end of the power cord. The DC wire portion provides DC power to the electrically powered accessory. The AC wire portion provides AC power to the electrically powered accessory. The DC wire portion and the AC wire portion each have a first end and a second end. The single plug is connected to the first end of the DC wire portion and connected to the first end of the AC wire portion and includes an AC contact arrangement, a DC contact arrangement, and a communication contact arrangement.

Abstract: A method of power demand management is provided. The method includes an electrically powered climate control unit (CCU) detecting one or more additional electrically powered CCUs in a vicinity of the electrically powered CCU and the CCU establishing a communication link with the one or more additional electrically powered CCUs. The method includes generating and transmitting a pending power request to demand power from the power source to the CCU. The CCU monitors for one or more additional pending power requests from the one or more additional CCUs and monitors its position within a power request queue for obtaining power from the power source amongst the CCU and the one or more additional CCUs. Also, the method includes the electrically powered CCU demanding power from the power source when its position within the power request queue is high enough to demand power from the power source.

Abstract: A method for optimizing power distribution amongst one or more electrical supply equipment stations at a power distribution site is provided. The method includes obtaining infrastructure data about the power distribution site, obtaining vehicle/transport climate control system data from one or more transport climate control systems and one or more vehicles demanding power from the one or more electrical supply equipment, and obtaining external data from an external source that can impact power demand from the one or more transport climate control systems. Each of the one or more transport climate control systems configured to provide climate control within a climate controlled space. The method also includes generating an optimized power distribution schedule based on the infrastructure data, the vehicle/ transport climate control system data and the external data, and distributing power to the one or more transport climate control systems based on the optimized power distribution schedule.