Elektrotechnika

Oblast zaměření: Technologie palivových článků
Komise : IEC/TC 105 (Fuel cell technologies)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 24.07.2018
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This part of IEC 62282 provides the minimum requirements for construction, operation under normal and abnormal conditions and its testing safety and performance of fuel cell modulefuel cell modules. and It applies to fuel cell modulefuel cell modules with the following electrolyte chemistry:

alkaline;

polymer electrolyte (including direct methanol fuel cellfuel cells)[1];

phosphoric acid;

molten carbonate;

solid oxide;

aqueous solution of salts.

Fuel cell moduleFuel cell modules can be provided with or without an enclosure and can be operated at significant pressurization levels or close to ambient pressure.

This standard deals with conditions that can yield hazardhazards to persons and cause damage outside the fuel cell modulefuel cell modules. Protection against damage inside the fuel cell modulefuel cell modules is not addressed in this standard, provided it does not lead to hazardhazards outside the module.

These requirements may be superseded by other standards for equipment containing fuel cell modulefuel cell modules as required for particular applications.

This standard does not cover fuel cellfuel cell road vehicle applications.

This standard is not intended to limit or inhibit technological advancement. An appliance employing materials or having forms of construction differing from those detailed in the requirements of this standard may be examined and tested according to the purpose of these requirements and, if found to be substantially equivalent, may be considered to comply with this standard.

The fuel cell modulefuel cell modules are components of final products. These products require evaluation to appropriate end-product safety requirements.

Key

EMD     electromagnetic disturbance

EMI      electromagnetic interference

Figure 1 – Fuel cellFuel cell power system components

This standard covers only up to the d.c. output of the fuel cell modulefuel cell module.

This standard does not apply to peripheral devices as illustrated in Figure 1.

This standard does not cover the storage and delivery of fuel and oxidant to the fuel cell modulefuel cell module.

 

[1]   Also known as proton exchange membrane fuel cell.

Komise : IEC/TC 88 (Wind turbines)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 24.07.2018
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This part of IEC 61400 specifies requirements to ensure the engineering integrity of wind turbine blades as well as an appropriate level of operational safety throughout the design lifetime. It includes requirements for:

 

aerodynamic and structural design

material selection, evaluation and testing

manufacture (including associated quality management)

transportation, installation, operation and maintenance of the blades

 

The purpose of this standard is to provide a technical reference for designers, manufacturers, purchasers, operators, third party organizations and material suppliers, as well as to define requirements for certification.

 

With respect to certification, this standard provides the detailed basis for fulfilling the current requirements of IEC 61400-22 and, when available, the IECRE system, as well as other IEC standards relevant to wind turbine blades. When used for certification, the applicability of each portion of this document should be determined based on the extent of certification, and associated certification modules per IEC 61400-22 and/or the IECRE system.

 

The rotor blade is defined as all components integrated in the blade design, excluding removable bolts in the blade root connection and support structures for installation.

 

This standard is intended to be applied to rotor blades for all wind turbines. For rotor blades used on small wind turbines according to IEC 61400-2, the requirements in that document may be applied instead.

 

At the time this standard was written, most blades were produced for horizontal axis wind turbines. The blades were mostly made of fiber reinforced plastics. However, most principles given in this standard would be applicable to any rotor blade configuration, size and material.

 

This standard should be used together with the appropriate IEC and ISO standards mentioned in Section 2.

Komise : IEC/SC 17A (High-voltage switchgear and controlgear)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 24.07.2018
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This part of IEC 62271 applies to high-voltage alternating current disconnecting circuit-breakers for operation at frequencies of 50 Hz and 60 Hz on systems having voltages above 52 kV.

This standard identifies which requirements of IEC 62271-1, IEC 62271-100 and IEC 62271-102 standards are applicable. It also gives the additional requirements specific to these devices.

This standard covers single switching devices which perform the functions of both a circuit-breaker and a disconnector by means of contacts housed in a single enclosure, and in which the circuit-breaker contacts in the open position satisfy, or contribute to, the isolating requirements of the disconnector function. As there is interaction between the requirements of the separate functions it is necessary to consider the standardisation of requirements. This standard details the requirements for a disconnecting circuit-breaker, identifying where these differ from the separate requirements of a discrete circuit-breaker and a disconnector.

NOTE For design examples of disconnecting circuit-breakers, refer to Annex A.

Komise : IEC/SC 121A (Low-voltage switchgear and controlgear)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 31.07.2018
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Replace the existing first sentence of second paragraph with the following:

This standard takes into consideration two typical rated voltage areas:

Replace the existing third paragraph with the following:

This standard does not apply to contacts used in:

functional safety area. In case of contacts used in functional safety area, Annex N of IEC 60947-5-1:2016 shall apply;

very low energy area of measurement, for example, sensor or thermocouple systems.

Komise : IEC/SC 121A (Low-voltage switchgear and controlgear)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 31.07.2018
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This International Standard applies to interfaces between low-voltage switchgear, controlgear, and controllers (e.g. programmable controllers, personal computers, etc.).

This document does not apply to higher level industrial communication networks that have become known as fieldbuses and are considered by IEC subcommittee 65C.

The purpose of this document is to harmonize and define rules, components and requirements of a general nature applicable to industrial CDIs. Those features of the various CDI standards which can be considered as general have therefore been brought together in this part of IEC 62026.

For each CDI, two main documents are necessary to determine all requirements and tests:

a)  this document, referred to as “IEC 62026-1” in the relevant CDI parts covering the various types of CDIs;

b)  the specific CDI part of the IEC 62026 series.

A specific CDI part may omit a general requirement if it is not applicable, or it may add to it if it is inadequate in the particular case, but it should not deviate from the requirement unless there is substantial technical justification.

NOTE Product-specific requirements for products incorporating a CDI are given in the relevant product standards. These requirements apply in addition to those given in this document.

Komise : IEC/TC 64 (Electrical installations and protection against electric shock)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 7.08.2018
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This part of IEC 60479 provides basic guidance on the effects of shock current on human beings and livestock.

For a given current path through the human body, the danger to persons depends mainly on the magnitude and duration of the current flow. However, the time/current zones specified in the following clauses are, in many cases, not directly applicable in practice for designing measures of protection against electrical shock. The necessary criterion is the admissible limit of touch voltage (i.e. the product of the current through the body called touch current and the body impedance) as a function of time. The relationship between current and voltage is not linear because the impedance of the human body varies with the touch voltage, and data on this relationship is therefore required. The different parts of the human body (such as the skin, blood, muscles, other tissues and joints) present to the electric current certain impedance composed of resistive and capacitive components.

This document provides basic guidance on the effects of shock current on human beings and livestock.

The values of body impedance depend on a number of factors and, in particular, on current path, on touch voltage, duration of current flow, frequency, degree of moisture of the skin, surface area of contact, pressure exerted and temperature.

The impedance values indicated in this document result from a close examination of the experimental results available from measurements carried out principally on corpses and on some living persons.

Knowledge of the effects of alternating current is primarily based on the findings related to the effects of current at frequencies of 50 Hz or 60 Hz which are the most common in electrical installations. The values given are, however, deemed applicable over the frequency range from 15 Hz to 100 Hz, threshold values at the limits of this range being higher than those at 50 Hz or 60 Hz. Principally the risk of ventricular fibrillation is considered to be the main mechanism of death of fatal electrical accidents.

Accidents with direct current are much less frequent than would be expected from the number of DC applications, and fatal electrical accidents occur only under very unfavourable conditions, for example, in mines. This is partly due to the fact that with direct current, the let-go of parts gripped is less difficult and that for shock durations longer than the period of the cardiac cycle, the threshold of ventricular fibrillation is considerably higher than for alternating current.

This basic safety publication is primarily intended for use by technical committees in the preparation of standards in accordance with the principles laid down in IEC Guide 104 and lSO/lEC Guide 51. It is not intended for use by manufacturers or certification bodies.

One of the responsibilities of a technical committee is, wherever applicable, to make use of basic safety publications in the preparation of its publications. The requirements, test methods or test conditions of this basic safety publication will not apply unless specifically referred to or included in the relevant publications.

Komise : IEC/TC 59 (Performance of household and similar electrical appliances)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 7.08.2018
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This Standard contains accessibility requirements to enable more accessible use of certain interactive elements found on household and similar electrical appliances by older persons and persons with disabilities. It provides guidance to achieve accessible designs of only control elements (e.g. knobs, buttons) including control panels and doors, lids, drawers and handles. It does not enable the full assessment of the overall accessibility of a household appliance.

This Standard covers supporting and auxiliary functions that a user performs regularly. Assembly, installation, configuration or repair of appliances are excluded.

This Standard provides test methods and data that support accessible design.

This Standard gives guidance to apply ISO/TR 22441:2008 and ISO/IEC Guide 71:2014 to the design of various interactive elements of household and similar electrical appliances. It does not deal with remote control by internet or mobile applications.  Touch controls elements are covered in this document (see also Annex A) but new interaction controls like gestures and speech control are not covered. It does not deal with safety issues.

Oblast zaměření: Dálkově řízené systémy
Komise : IEC/TC 57 (Power systems management and associated information exchange)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 7.08.2018
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Scope of the full standard

The IEC 61968 standard, taken as a whole, defines interfaces for the major elements of an interface architecture for Distribution Management Systems (DMS). Part 1: Interface Architecture and General Recommendations, identifies and establishes requirements for standard interfaces based on an Interface Reference Model (IRM). Parts 3-9 of this standard define interfaces relevant to each of the major business functions described by the Interface Reference Model.

As used in IEC 61968, a DMS consists of various distributed application components for the utility to manage electrical distribution networks. These capabilities include monitoring and control of equipment for power delivery, management processes to ensure system reliability, voltage management, demand-side management, outage management, work management, automated mapping and facilities management.

This set of standards is limited to the definition of interfaces and is implementation independent.  They provide for interoperability among different computer systems, platforms, and languages.  Methods and technologies used to implement functionality conforming to these interfaces are considered outside of the scope of these standards; only the interface itself is specified in these standards.

Scope of this Part

The scope of this document is the description of a set of functions that are needed for enterprise integration of DERMS functions. These exchanges are most likely between a DERMS and a DMS. However, an enterprise integration standard leveraging IEC 61968-100:2013 for application integration, there are no technical limitation for systems with which a DERMS might exchange information. Also, it should be noted that a DERMS might communicate with individual DER using a variety of standards and protocols such as IEC 61850, IEEE 2030.5, Distribution Network Protocol (DNP), Sunspec Modbus, or perhaps Open Field Message Bus (OpenFMB). One role of the DERMS is to manage this disparity and complexity of communications on the behalf of the system operator. However, the communication to individual DER is out of scope of this standard. Readers should look to those standards for the particulars of communicating to individual DER.

The scope will be limited to the following use case categories:

DER group creation – a mechanism to manage DER in aggregate

DER group maintenance – a mechanism to add, remove, or modify the members and/or aggregated capabilities of a given group of DER

DER group deletion – removing an entire group

DER group status monitoring – a mechanism for quantifying or ascertaining the current capabilities and/or status of a group of DER

DER group forecast – a mechanism for predicting the capabilities and/or status of a group of DER for a given time period in the future

DER group dispatch – a mechanism for requesting that specified capabilities of a group of DER be dispatched to the grid

DER group voltage ramp rate control – a mechanism for requesting that a DER group following a ramp rate curve

DER group connect/disconnect – a mechanism to request that DER either isolate themselves, or reconnect to the grid as needed

To support use cases in the preceding categories, this standard specifies the following normative XSDs (profiles):

Table 1 IEC 61968-5 Profiles

DERGroups.xsd

DERGroupQueries.xsd

DERGroupStatuses.xsd

DER GroupStatusQueries.xsd

DERGroupForecasts.xsd

DERGroupForecastQueries.xsd

DERGroupDispatches.xsd

DERGroupQueries.xsd

 

Additionally, this specification uses existing IEC 61968-9:2013 Application integration at electric utilities - System interfaces for distribution management - Part 9: Interfaces for meter reading and control profiles for passing event information and for the DER group connect/disconnect use cases. There are no extensions made to these profiles, only the data specific to these use cases is passed.

Table 2 IEC 61968-9 Profiles

EndDeviceControls.xsd

EndDeviceEvents.xsd

 

 

The profiles in the left column of Table 1 are the "base" DER profiles and appear in the Payload section of IEC 61968-100 compliant messages. Those in the right column of Table 1 are the "query" profiles that appear in the Request section of IEC 61968-100 compliant messages and are used to specify the query parameters when using the "get" CIM verb.

In a departure from prior IEC 61968 standards, this standard supports specification of both a "constrained" and an "unconstrained" version of each of the "base" profiles. The "constrained" versions have a greater number of non-optional XSD elements and are intended for use with the "create" and "created" CIM verbs. The "unconstrained" versions have all or almost all of the CIM elements defined as optional, which is required to support operations involving the "change", "changed", "delete", "deleted" and "get" CIM verbs. 

Please refer to Annex A for the normative constrained and unconstrained versions of each of the IEC61968-5 "base" XSDs as well as the normative IEC 61968-5 "query" XSDs.

Please refer to Annex B for informative high-level overview diagrams of each of the IEC 61968-5 constrained "base" and "query" XSDs.

This part of IEC 61968 contains the clauses listed in the table below.

Document overview for IEC 61968 – 5

Clause

Title

Purpose

 

Scope

The scope and purpose of the document are described. 

 

References (Normative and Informative)

Documents that contain provisions which, through reference in this text, constitute provisions of this International Standard.

 

Terms, definitions, and abbreviations

Establish the common terms used in this specification.

 

Document Conventions

Message types related to the exchange of information for documents related to maintenance and construction.

 

DER Enterprise Integration Use Cases

The specific requirements for and details of the message exchanges based on the use cases. Description of general approach to the DER enterprise integration message type terms and the static information.

Annex B

XSDs for DER Enterprise Integration Profiles

Normative XSDs for DER Enterprise Integration messages.

Oblast zaměření: Světelné zdroje a svítidla
Komise : IEC/TC 34 (Lamps and related equipment)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 7.08.2018
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The IEC 62386 series specifies a bus system for control by digital signals of electronic lighting equipment. This IEC 62386 part allows a system with wireless or alternative wired communication between its units, instead of a wired bus system, where the meaning of “wireless or alternative wired communication”, or in short “telecommunication”, is any type of communication network different from the wired system described in IEC 62386-101amd1:20xx. Where this electronic lighting equipment is covered by the scope of IEC 61347, it should be in line with the requirements of IEC 61347, with the addition of DC supplies.

Oblast zaměření: Elektrické kabely
Komise : IEC/TC 20 (Electric cables)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 7.08.2018
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This International Standard specifies test methods and requirements for high temperature superconducting (HTS) AC power cable systems, cables and their accessories, for fixed installations, for rated voltages from 6 kV (Um = 7,2 kV) up to and including 500 kV (Um = 550 kV).

The requirements apply to single-core, three-core and three-phase concentric cables with cold dielectric and their accessories which are not intended for fault current limitation purposes.

This standard does not cover special cables and their accessories, such as fault current limiting cables or submarine cables, for which modifications to the standard tests may be necessary or special test conditions may need to be devised.

This standard does not cover the test methods and requirements for the cooling system.

NOTE For considerations regarding cooling systems refer to Annex A.

Komise : IEC/SC 121A (Low-voltage switchgear and controlgear)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 14.08.2018
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This document applies, when required by the relevant product standard, to low-voltage switchgear and controlgear hereinafter referred to as "equipment" or “device” and intended to be connected to circuits, the rated voltage of which does not exceed 1 000 V AC or 1 500 V DC.

This document states the general rules and common safety requirements for low-voltage switchgear and controlgear, including:

< >

< >

information supplied with the equipment;

normal service, mounting and transport conditions, decommissioning and dismantling;

constructional and performance requirements;

verification of characteristics and performance;

energy efficiency aspects (see Annex V);

environmental aspects.

This document does not apply to:

low-voltage switchgear and controlgear assemblies which are dealt with in IEC 61439 series, as applicable;

aluminium terminals nor to terminals for connection of aluminium conductors;

use within explosive atmospheres (see IEC 60079 series);

software and firmware requirements for functional safety application (see IEC 61508-3);

cyber security aspects (see IEC 62443 series).

Oblast zaměření: Elektrická vozidla
Komise : IEC/TC 69 (Electric road vehicles and electric industrial trucks)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 14.08.2018
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This Standard, as a basis for the other parts of IEC 63119, specifies terms and definitions, general description of the system model, classification, information exchange and security mechanisms for roaming between EV Charge Service Providers (CSP), Charging Station Operators (CSOs) and Clearing House platforms through roaming endpoint. It provides an overview and describes the general requirements of EV roaming service system.

IEC 63119 series are applicable to high-level communication involved in information exchange / interaction between different CSPs, as well as between a CSP and CSO with or without Clearing House platform through the roaming endpoint.

IEC 63119 series do not specify the communication either between Charging Station (CS) and Charging Station Operator (CSO), or between EV and CS.

Oblast zaměření: Vodiče pro vinutí
Komise : IEC/TC 55 (Winding wires)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 14.08.2018
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Amendment

Oblast zaměření: Primární baterie
Komise : IEC/TC 35 (Primary cells and batteries)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 14.08.2018
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This International Standard specifies test methods and requirements for primary and secondary (rechargeable) lithium cells and batteries to ensure their safety during transport other than for recycling or disposal. Requirements specified in this standard do not apply in those cases where special provisions given in the relevant regulations, listed in 7.3, provide exemptions.

NOTE Different standards may apply for lithium-ion traction battery systems used for electrically propelled road vehicles.

Oblast zaměření: Elektrická trakční zařízení
Komise : IEC/TC 9 (Electrical equipment and systems for railways)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 14.08.2018
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This International Standard specifies the requirements for the performance of all fixed installations electronic power converters, using controllable and/or non-controllable electronic valves, intended for traction power supply.

The devices can be controlled by means of current, voltage or light. Non-bistable devices are assumed to be operated in the switched mode.

This Standard applies to fixed installations of following electric traction systems:

–   railways,

–   guided mass transport systems such as: tramways, light rail systems, elevated and underground railways, mountain railways, trolleybusses.

This Standard does not apply to

–   cranes, transportable platforms and similar transportation equipment on rails,

–   suspended cable cars,

–   funicular railways.

This Standard applies to diode rectifiers, controlled rectifiers, inverters and frequency converters.

The equipment covered in this Standard is the converter itself.

Oblast zaměření: Elektrická relé
Komise : IEC/TC 95 (Measuring relays and protection equipment)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 21.08.2018
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General

This part of the IEC 60255 series is applicable to measuring relays and protection equipment, taking into account combinations of devices to form schemes for power system protection including the control, monitoring, communication and process interface equipment used with those systems.

This standard specifies the requirements for electromagnetic compatibility for measuring relays and protection equipment.

Tests specified in this standard are not required for equipment not incorporating electronic circuits, for example electromechanical relays.

The requirements specified in this standard are applicable to measuring relays and protection equipment in a new condition and all tests specified are type tests only.

Emission

The objective of this standard is to specify limits and test methods, for measuring relays and protection equipment in relation to electromagnetic emissions which may cause interference in other equipment.

These emission limits represent electromagnetic compatibility requirements and have been selected to ensure that the disturbances generated by measuring relays and protection equipment, operated normally in substations and power plants, do not exceed a specified level which could prevent other equipment from operating as intended.

Test requirements are specified for the enclosure, auxiliary power supply ports, signal/control ports, and wired network ports.

Immunity

The object of this standard is to specify the immunity test requirements for measuring relays and protection equipment in relation to continuous and transient, conducted and radiated disturbances, including electrostatic discharges.

These test requirements represent the electromagnetic compatibility immunity requirements and have been selected so as to ensure an adequate level of immunity for measuring relays and protection equipment, operated normally in substations and power plants.

NOTE 1 Product safety considerations are not covered in this standard.

NOTE 2 In special cases, situations will arise where the levels of disturbance could exceed the levels specified in this standard, for example where a hand-held transmitter or a mobile telephone is used in close proximity to measuring relays and protection equipment. In these instances, special precautions and procedures could have to be employed.

Komise : IEC/SC 61B (Safety of microwave appliances for household and commercial use)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 21.08.2018
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Amendment

Komise : IEC/SC 61B (Safety of microwave appliances for household and commercial use)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 21.08.2018
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Amendment

Oblast zaměření: Točivé elektrické stroje
Komise : IEC/TC 2 (Rotating machinery)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 21.08.2018
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This part of IEC 60034 applies to large three-phase synchronous generators, having rated outputs of 10 MVA and above driven by steam turbines or combustion gas turbines. Also included are synchronous MVAr compensators of the same output range connected to a grid for the purpose of exchanging reactive power.

This standard supplements basic requirements for rotating machines given in IEC 60034-1.

Common requirements are prescribed together with specific requirements for air, hydrogen or liquid cooled synchronous generators or compensators.

This part of IEC 60034 also gives the precautions to be taken when using hydrogen cooled generators including:

–   rotating exciters driven by synchronous generators;

–   auxiliary equipment needed for operating the generators;

–   parts of the building where hydrogen might accumulate.

NOTE 1  These requirements also apply to a synchronous generator driven by both a steam turbine and a combustion gas turbine as part of a single shaft combined cycle unit.

NOTE 2  These requirements do not apply to synchronous generators driven by water (hydraulic) turbines or wind turbines.

NOTE 3  The precautions to be taken when using hydrogen are valid for all cases where hydrogen is used as a coolant.

Oblast zaměření: Elektrická vozidla
Komise : IEC/TC 69 (Electric road vehicles and electric industrial trucks)
Původce: ISO\IEC\CEN\CENELEC
K připomínkám do: 5.09.2018
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This document applies to the DC EV supply equipment for charging electric road vehicles, with a rated supply voltage up to 480V AC or up to 600 V DC withoutput voltages up to 120 V DC and output currents up to 100 A DC.

This document provides the requirements for the DC EV supply equipment where the secondary circuit is protected from primary circuit by electrical separation.

Requirements for bi-directional power flow are not treated in this document.

This document also provides the requirements for the control communication between a DC EV supply equipment and an EV.

 

This document also applies to DC EV supply equipment where primary power is supplied from on-site storage systems.


The aspects covered in this document include:

· the characteristics and operating conditions of the DC EV supply equipment;
· the specification of the connection between the DC EV supply equipment and the EV;
· the requirements for electrical safety for the DC EV supply equipment.
 

Additional requirements may apply to equipment designed for specific environments or
conditions, for example:

· DC  EV supply equipment located in hazardous areas where flammable gas or vapour and/or combustible materials, fuels or other combustible, or explosive materials are present;
· DC EV supply equipment designed to be installed at an altitude of more than 2 000 m;
· DC EV supply equipment intended to be used on board on ships;


Requirements for electrical devices and components used in DC EV supply equipment are not
included in this document and are covered by their specific product standards.
 

This document does not apply to:

· safety aspects related to maintenance;

· charging of trolley buses, rail vehicles, industrial trucks and vehicles designed primarily for use off-road;

· equipment on the EV;

· EMC requirements for equipment on the EV while connected, which are covered in
IEC 61851-21-1;

· Charging RESS off board of the EV;