The present disclosure provides a method and apparatus for providing electrical isolation using a converter comprising a first converter working in a rectifier mode receiving AC current and providing DC current, a second converter working in an inverter mode receiving said DC current from said first converter and providing AC current, a transformer receiving said AC current from said second converter having an input and output, said transformer providing electric isolation between said input and output, a third converter working in a rectifier mode receiving AC current from said transformer and providing DC current, wherein at least one of said first, second and third converters is a multilevel converter.
H02M 3/24 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
B60L 53/20 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
H02M 1/42 - Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
H02M 7/04 - Conversion of AC power input into DC power output without possibility of reversal by static converters
H02M 7/06 - Conversion of AC power input into DC power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
H02M 7/68 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with possibility of reversal by static converters
2.
CONVERTER WITH POWER MANAGEMENT SYSTEM FOR HOUSEHOLD USERS TO MANAGE POWER BETWEEN DIFFERENT LOADS INCLUDING THEIR ELECTRIC VEHICLE
An apparatus and method for managing power output of a converter has been provided by present disclosure having an electrical entry power sensor for measuring power drawn by an electrical entry of a household, a power drawn increase prediction module, a power budget controller managing power allocation to restrict a current level output by the power converter so as to prevent power drawn by the electrical entry from exceeding a predefined limit should the greatest probable jump in power drawn occur, a user interface allowing a user to request changes to said current level output by the power converter to charge an electric vehicle, wherein the power budget controller makes suggestions to said user to adjust said power drawn and has the user confirm said changes in order to reallocate said allocation according to said user's adjustments.
B60L 53/60 - Monitoring or controlling charging stations
B60L 53/50 - Charging stations characterised by energy-storage or power-generation means
B60L 53/63 - Monitoring or controlling charging stations in response to network capacity
B60L 53/64 - Optimising energy costs, e.g. responding to electricity rates
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
H02M 1/32 - Means for protecting converters other than by automatic disconnection
H02M 7/04 - Conversion of AC power input into DC power output without possibility of reversal by static converters
A power conversion apparatus with modified cooling properties has been disclosed. The apparatus comprises an AC port, at least one DC port, a chassis, at least one power conversion module mounted in said chassis connectable to off-board conductors and said AC and said at least one DC ports, a module heat sink attached to each one of said at least one power conversion module for cooling said module, wherein said off-board inductors are mounted in said chassis together and separate from modules with one or more of an inductor heat sink and cooling fluid circulator for cooling said inductors.
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
H02M 1/08 - Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
H02M 7/70 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
The present disclosure provides a charger comprising an AC port, a variable voltage DC power supply connected to said AC port and comprising a controller having an input to receive charging parameters, a charge cable connector connectable to a battery, an interface connectable to said connectors and to said input of said DC power supply wherein said interface performs either translating a battery management system voltage command regarding charging parameters of said battery received via said charge cable connector into said input for said variable voltage DC power supply, or generating said input for said variable voltage DC power supply defining said charging parameters for said battery from measured information about said battery.
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
B60L 53/66 - Data transfer between charging stations and vehicles
H04L 29/06 - Communication control; Communication processing characterised by a protocol
The present disclosure provides a bidirectional power converter capable of receiving and delivering AC and DC power from and to multiple ports in accordance to its different embodiments. The AC or DC input receives power and at least two power conversion circuits work with a plurality of switches for connecting provides DC or AC current at multiple ports. The power conversion circuits may be rectifier inverters and have module form that connect to the AC and DC ports via a backplane having multiple connectors. The apparatus may also provide DC to DC conversion using a buck/boost circuit.
H02M 7/04 - Conversion of AC power input into DC power output without possibility of reversal by static converters
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
B60L 53/20 - Methods of charging batteries, specially adapted for electric vehiclesCharging stations or on-board charging equipment thereforExchange of energy storage elements in electric vehicles characterised by converters located in the vehicle
H02J 3/38 - Arrangements for parallelly feeding a single network by two or more generators, converters or transformers
H02M 3/04 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
H02M 7/68 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with possibility of reversal by static converters
H02S 40/32 - Electrical components comprising DC/AC inverter means associated with the PV module itself, e.g. AC modules
In one aspect the present disclosure provides a system for charging electric vehicles both AC and DC using only two conductors comprising a cable having two ends one of which is attached to a connector and the other end to a plug and only two charging conductors that extend from one end of the cable to the other and either, one or more switches to receive the current from an AC or DC input and direct it based on a type of the current to an AC or DC output and to stop the current if the corresponding port is not available. The system also has a control mechanism for preventing the delivery of the current to the wrong port of the connector.
H02J 3/02 - Circuit arrangements for ac mains or ac distribution networks using a single network for simultaneous distribution of power at different frequenciesCircuit arrangements for ac mains or ac distribution networks using a single network for simultaneous distribution of ac power and of dc power
B60L 53/16 - Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
B60L 53/18 - Cables specially adapted for charging electric vehicles
G01R 31/364 - Battery terminal connectors with integrated measuring arrangements
G06K 9/00 - Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
A battery charger converts single phase AC power and delivers DC power to an electric power storage battery. An AC input receives single phase power from an electrical entry, a power converter is connected to the AC input and responds to a charge voltage value and a desired charge current value to convert power to a variable DC voltage at a variable current not exceeding a desired charge current value for a DC load. The power converter has at least one high voltage capacitor for storing power at a voltage boosted above a peak voltage of the AC input.
A battery charger capable of receiving single-phase AC power and delivering both AC and DC power to an electric power storage battery in accordance to different embodiments disclosed herein. An AC input receives single phase power from an electrical entry, a switch is connected to the AC input further connecting it either to an AC output or to a power converter which responds to a charge voltage value and a desired charge current value to convert power to a variable DC voltage at a variable current not exceeding a desired charge current value for a DC load. The power converter has at least one high voltage capacitor for storing power at a voltage boosted above a peak voltage of the AC input.
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
B60L 50/60 - Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
B60L 53/60 - Monitoring or controlling charging stations
H02M 7/04 - Conversion of AC power input into DC power output without possibility of reversal by static converters
patents