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Find out what cookies we use and how to disable them722.1 Scope
722.1.1 Scope of the document
The particular requirements of this document apply tocircuits intended to
• supply energy to electric vehicles, and circuits intended to
• supply energy from electric vehicles.
NOTE 1 The same circuit can be used for both purposes.
Circuits covered by this document are terminated at the connecting point.
722.1.1.2 Scope of the IEC 60364 series
Replace the fifth paragraph by:
Electrical equipment, such as EV supply equipment, is dealt with only in so far as its selection and application in the circuits are concerned.
722.1.2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
IEC 60309-1: Plugs, socket-outlets and couplers for industrial purposes – Part 1: General requirements
IEC 60309-2: Plugs, socket-outlets and couplers for industrial purposes – Part 2: Dimensional interchangeability requirements for pin and contact-tube accessories
IEC 60364 (all parts), Low-voltage electrical installationsIEC 60364-4-41:2005, Low-voltage electrical installations – Part 4-41: Protection for safety – Protection against electric shock
IEC 60364-4-41:2005/AMD1:2017
IEC 60529: Degrees of protection provided by enclosures (IP Code)IEC 60947-2, Low-voltage switchgear and controlgear – Part 2: Circuit-breakersIEC 61008-1, Residual current circuit-breakers without integral overcurrent protection for household and similar uses (RCCBs) – Part 1: General rules
IEC 61009-1, Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBOs) – Part 1: General rules
IEC 61557-9, Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. – Equipment for testing, measuring or monitoring of protective measures – Part 9: Equipment insulation fault location in IT systems
IEC 61558-2-4, Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V – Part 2-4: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers
IEC 61851 (all parts), Electric vehicle conductive charging system
IEC 61980 (all parts), Electric vehicle wireless power transfer (WPT) systems
IEC 62196 (all parts), Plugs, socket-outlets, vehicle connectors and vehicle inlets – Conductive charging of electric vehicles
IEC 62196-1, Plugs, socket-outlets, vehicle connectors and vehicle inlets – Conductive charging of electric vehicles – Part 1: General requirements
IEC 62196-2, Plugs, socket-outlets, vehicle connectors and vehicle inlets – Conductive charging of electric vehicles – Part 2: Dimensional compatibility and interchangeability requirements for a.c. pin and contact-tube accessories
IEC 62196-3, Plugs, socket-outlets, vehicle connectors and vehicle inlets – Conductive charging of electric vehicles – Part 3: Dimensional compatibility and interchangeability requirements for d.c. and a.c./d.c. pin and contact-tube vehicle couplers
IEC TS 62196-4, Plugs, socket-outlets, vehicle connectors and vehicles inlet – Conductive charging of electric vehicles – Part 4: Dimensional compatibility and interchangeability requirements for DC pin and contact-tube accessories for class II or class III applications
IEC 62262, Degrees of protection provided by enclosures for electrical equipment against external mechanical impacts (IK code)
IEC 62423, Type F and type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses
IEC 62955, Residual direct current detecting device (RDC-DD) to be used for mode 3 charging of electric vehicle
722.1.3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
722.1.3.1
electric
vehicle electric road vehicle EV
any vehicle propelled by an electric motor drawing current from a rechargeable energy storage system (RESS), intended primarily for use on public roads
[SOURCE: ISO 17409:2015, 3.19, modified — "rechargeable energy storage system" has been added.]
722.1.3.2
connecting point
terminating point in an electrical installation where energy is transferred between that electrical installation and one electric vehicle
EXAMPLE A socket-outlet, a vehicle connector or a supply device of a wireless power transfer system.
Note 1 to entry: The connecting point can be part of the installed EV supply equipment.
722.1.3.3
demand factor
ratio, expressed as a numerical value or as a percentage, of the maximum demand of a circuit or a group of circuits within a specified period, to the corresponding total installed load of the circuit(s)
Note 1 to entry: In using this term, it is necessary to specify to which level of the system it relates.
[SOURCE: IEC 60050-691:1973, 691-10-05, modified — The term "installation" has been replaced with the term "circuit".].
722.1.3.4
EV charging station
part of EV supply equipment permanently connected to an electrical installation
722.1.3.5
EV supply equipment
equipment or a combination of equipment, providing dedicated functions to transfer electric energy between an electrical installation and an EV
722.1.3.6
load control
electrical (energy) management system ensuring that the sum of load currents of dedicated circuits does not exceed a predetermined value
A dedicated circuit shall be provided for the transfer of energy from/to the electric vehicle.
722.1.5.2.18.
Where a DC system is used for transferring energy between an electrical installation and an electric vehicle, a DC charging station in accordance with the IEC 61851 series shall be applied.
722.1.7 Electrical installations
722.1.7.2 Maximum demand and diversity
Add the following:
It shall be considered that in normal use each single connecting point is used at its rated current or at the configured maximum charging current of the charging station. The means for configuration of the maximum charging current shall only be made by the use of a key or a tool and only be accessible to skilled or instructed persons.
NOTE For this application the demand factor of the final circuit supplying the connecting point (e.g. the socket-outlet) is equal to 1.
Except where a load control is included in the EV supply equipment or installed upstream or a combination of both, the diversity factor for all the connecting points of the installation shall be taken as equal to 1, as they can be used simultaneously.
NOTE The load control for EV charging can be part of the electrical energy management system (EEMS) of a prosumer’s electrical installation.
Add the following:
In a TN system, a circuit supplying a connecting point shall not include a PEN conductor.
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