In North America, the same Type 2 physical connector is used for three-phase AC charging under the SAE J3068 standard, which uses Local Interconnect Network (LIN) for control signaling based on IEC 61851-1 Edition 3 Annex D.[9][10] J3068 increases the maximum output to 166 kW using three-phase AC.[8]
The same physical connector is also used in China under the Guobiao standard GB/T 20234.2-2015 for AC-charging, with gender differences for the vehicle and electric vehicle supply equipment. GB/T 20234-2 specifies cables with Type 2-style male connectors on both ends, and a female inlet on vehicles[11]—the opposite gender to the rest of the world, and with different control signaling.
The Combined Charging System Combo 2 "fast charging" connector uses the signaling and protective earth pins of the Type 2 connector and adds two pins for rapid charging, with direct current power supplied at rates up to approximately 350 kW.[7]
The IEC 62196 Type 2 connector is used in a slightly modified form for all European Tesla Model S and Model X vehicles, and the European Tesla Supercharger network.[14] As of 2017 Tesla is the only automaker which offers charging with alternating current and direct current based on the IEC 62196-2 specification. For charging with direct current the specification IEC 62196-3 Combined Charging System (CCS) is favored in Europe.[15]
The connectors contain seven contact places: two small and five larger. The top row consists of two small contacts for signaling, the middle row contains three pins, the center pin is used for Earthing, while the outer two pins used for the power supply, optionally in conjunction with the two pins on the bottom row which are also for power supply. Three pins are always used for the same purposes:
Some vehicle inlets may contain the extra connections to allow the CCS DC-only charger (high-current DC) to be inserted.[17]
Communication takes place over the CP/PP signaling pins between the charger, cable, and vehicle to ensure that the highest common denominator of voltage and current is selected.
About Type 2 electric car connectors
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