Transparency on national legislation and standards to be obeyed when working
29.1. Laws and regulations
29.1.1. Zakon o varnosti in zdravju pri delu (Uradni list RS, št. 43/11)
29.1.1.1. Occupational Health and Safety Act.
29.1.1.2. Explanation of content of law or regulation ➔ void
29.1.2. Pravilnik o varstvu pri delu pred nevarnostjo električnega toka (Uradni list RS, št. 29/92, 56/99 – ZVZD
in 43/11 – ZVZD-1)
29.1.2.1. Translation of Title of national law or regulation ➔ void
29.1.2.2...
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    • Standard
      43 pages
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IEC TS 62898-3-1:2020(E) provides guidelines for the specification of fault protection and dynamic control in microgrids. Protection and dynamic control in a microgrid are intended to ensure safe and stable operation of the microgrid under fault and disturbance conditions.
This document applies to AC microgrids comprising single or three-phase networks or both. It includes both isolated microgrids and non-isolated microgrids with a single point of connection (POC) to the upstream distribution n...
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    • Technical specification
      42 pages
      English language

This document in conjunction with CLC/TS 50654-2: 2018-03 Parameter Lists to Functional Specifications describes specific functional requirements for HVDC Grid Systems in Europe. The terminology "HVDC Grid Systems" is used here describing HVDC systems for power transmission having more than two converter stations connected to a common DC circuit.
While this document focuses on requirements, that are specific for HVDC Grid Systems, some requirements are considered applicable to all HVDC systems ...
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    • Technical specification
      124 pages
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This document in conjunction with CLC/TS 50654-1: 2018-03 Guideline for Functional Specifications describes specific functional requirements for HVDC Grid Systems in Europe. The terminology “HVDC Grid Systems” is used here describing HVDC systems for power transmission having more than two converter stations connected to a common DC circuit.
While this document focuses on requirements, that are specific for HVDC Grid Systems, some requirements are considered applicable to all HVDC systems in ge...
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    • Technical specification
      83 pages
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IEC 63152:2020 establishes concepts and gives guidelines to help sustain a variety of city services on the occasion of a disaster from the perspective of providing electricity. It outlines the basic concepts on how multiple city services can cooperate and continue by electricity continuity plan(s) and electricity continuity system(s). It also specifies methods and means to establish these.
The users of this document are assumed to be city developers, city operators, equipment manufacturers, ess...
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    • Standard
      22 pages
      English language

IEC 61557-11:2020 is available as IEC 61557-11:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61557-11:2020 specifies the requirements for test equipment applied to the testing of the effectiveness of residual current monitors (RCM) that are already installed in distribution systems. This test equipment can be used in any kind of network, such as a TN, TT or IT system. The test equipmen...view more

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    • Standard
      29 pages
      English and French language

IEC TR 63179-1:2020 (E) provides guidelines for the selection of a high-voltage directive current (HVDC) system with line-commutated converters (LCC), hereafter referred to as HVDC system, for the purposes of HVDC system planning. It covers the guidelines on the requirements for integrating HVDC systems in AC power networks, selection of rated voltage and power, overloads, circuit configuration, expandability, comparison of technical, economic, regulatory, political, social and environmental fac...view more

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    • Technical report
      28 pages
      English language

This part of IEC 62751 gives the detailed method to be adopted for calculating the power
losses in the valves for an HVDC system based on the “modular multi-level converter”, where
each valve in the converter consists of a number of self-contained, two-terminal controllable
voltage sources connected in series. It is applicable both for the cases where each modular
cell uses only a single turn-off semiconductor device in each switch position, and the case
where each switch position consists ...
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    • Amendment
      14 pages
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    • Amendment
      13 pages
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3 rather small amendments
A note 2 will solve the issue of the different approaches in frequency
Flagged data idea (IEC TS 62749) will be integrated in EN 50160
A new chapter “Frequency range 2-150kHz” will be integrated

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    • Amendment
      7 pages
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New values for the 15th and 21st harmonic

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    • Amendment
      3 pages
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This European Standard addresses power supplies to, and power distribution within, data centres based upon the criteria and classifications for "availability", "physical security" and "energy efficiency enablement" within EN 50600 1.

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    • Standard
      43 pages
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IEC 61557-6:2019 is available as IEC 61557-6:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61557-6:2019 specifies the requirements applicable to measuring equipment for testing the effectiveness of protective measures of residual current devices (RCD) installed in TT, TN and IT systems. It is not the purpose of this document to verify the RCD according to their product standards. IEC 6...view more

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    • Standard
      28 pages
      English and French language

IEC 61557-3:2019 is available as IEC 61557-3:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61557-3:2019 specifies the requirements applicable to equipment for measuring the loop impedance between a line conductor and protective conductor; between a line conductor and neutral; or between two line conductors by using the voltage drop when the circuit under test is loaded. IEC 61557-3:201...view more

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    • Standard
      21 pages
      English and French language

IEC 61557-7:2019 is available as IEC 61557-7:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61557-7:2019 specifies the requirements applicable to measuring equipment for testing the phase sequence in three-phase distribution systems. Indication of the phase sequence can be mechanical, visual and/or audible. This document does not apply to additional measurements for other quantities. It...view more

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    • Standard
      28 pages
      English and French language

IEC 61557-5:2019 is available as IEC 61557-5:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61557-5:2019 specifies the requirements applicable to measuring equipment for measuring the resistance to earth using an AC voltage. IEC 61557-5:2019 cancels and replaces the second edition published in 2007. This edition constitutes a technical revision. This edition includes the following signi...view more

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    • Standard
      24 pages
      English and French language

IEC 61557-4:2019 is available as IEC 61557-4:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61557-4:2019 specifies the requirements applicable to equipment for measuring the resistance of earth conductors, protective earth conductors and conductors for equipotential bonding, including their connections and terminals, with an indication of the measured value or an indication of the limit...view more

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    • Standard
      20 pages
      English and French language

IEC 61557-2:2019 is available as IEC 61557-2:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61557-2:2019 specifies the requirements applicable to equipment for measuring the insulation resistance of equipment and installations in the de-energized state IEC 61557-2:2019 cancels and replaces the second edition published in 2007. This edition constitutes a technical revision. This edition ...view more

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    • Standard
      19 pages
      English and French language

IEC 61557-1:2019 is available as IEC 61557-1:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61557-1:2019 specifies the general requirements applicable to measuring and monitoring equipment for testing the electrical safety in low-voltage distribution systems with nominal voltages up to 1 000 V AC and 1 500 V DC. When measuring equipment or measuring installations involve measurement tas...view more

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    • Standard
      50 pages
      English and French language

IEC TR 63127:2019(E) focuses on the system design of converter stations. It is applicable to point-­to-­point and back-to-back HVDC systems based on line-commutated converter (LCC) technology. This document provides guidance and supporting information on the procedure for system design and the technical issues involved in the system design of HVDC transmission projects for both purchaser and potential suppliers. It can be used as the basis for drafting a procurement specification and as a guide ...view more

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    • Technical report
      64 pages
      English language

These standards provide technical requirements for the connection of generating plants up to and including Type A (-1-1)/ Type B (-1-2) which can be operated in parallel with a public LV distribution network. They are intended to be used as a technical reference for connection agreements between DNOs and electricity producers and to demonstrate compliance with COMMISSION REGULATION (EU) 2016/631 (Requirements for Generators).

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    • Corrigendum
      2 pages
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    • Corrigendum
      2 pages
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This standard provides technical requirements for the connection of generating plants up to and including Type B which can be operated in parallel with a public MV distribution network. They are intended to be used as a technical reference for connection agreements between DSOs and electricity producers and to demonstrate compliance with COMMISSION REGULATION (EU) 2016/631 (Requirements for Generators).

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    • Standard
      81 pages
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These standards provide technical requirements for the connection of generating plants up to and including Type A (-1-1)/ Type B (-1-2) which can be operated in parallel with a public LV distribution network. They are intended to be used as a technical reference for connection agreements between DNOs and electricity producers and to demonstrate compliance with COMMISSION REGULATION (EU) 2016/631 (Requirements for Generators).

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    • Standard
      71 pages
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    • Standard
      71 pages
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IEC TS 63060:2019(E) provides guidance to develop maintenance requirements of installations and equipment in electric power networks. It is primarily meant for the operators of electric power networks, particularly those of public power supplies, including High-Voltage DC transmission (HVDC). This scope does not include:
– railway networks,
– installations of end consumer networks,
– installations for electric power generation.
Crises handling, e.g. in emergency situations, is not within the...
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    • Technical specification
      35 pages
      English language

IEC TS 63042-101:2019(E) specifies reactive power compensation design, voltage regulation and control, and insulation design for the coordination of UHV AC transmission systems.

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    • Technical specification
      30 pages
      English language

IEC TS 63042-201:2018(E), which is a Technical Specification, provides common rules for the design of substations with the highest voltages of AC transmission systems exceeding 800 kV, so as to provide safety and proper functioning for the intended use.

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    • Technical specification
      60 pages
      English language

IEC TS 63042-301:2018(E) applies to on-site acceptance tests of electrical equipment with the highest voltages of AC transmission system exceeding 800 kV.

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    • Technical specification
      34 pages
      English language

The present document defines interconnection of site power installation feeding up to 400 VDC interface, to site
renewable energy or to distributed DC power. The covered aspects are:
• general power architectures for:
- connection of a site renewable energy source (PV, wind generator, fuel cells, etc.) to a site power plant
and especially the DC power system, (the site sources being on the buildings or around);
- exchange of power to and from a DC nano or micro grid for use and production o...
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    • Standard
      30 pages
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    • Standard
      30 pages
      English language
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    • Standardization document
      30 pages
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IEC 61557-12:2018 is available as IEC 61557-12:2018 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 61557-12:2018 specifies requirements for power metering and monitoring devices (PMD) that measure and monitor the electrical quantities within electrical distribution systems, and optionally other external signals. These requirements also define the performance in single- and three-phase AC or ...view more

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    • Standard
      206 pages
      English and French language

IEC TR 62672:2018(E) applies to all line-commutated and voltage-sourced high-voltage direct current (HVDC) transmission systems used for power exchange in utility systems. The purpose of this document is to define a standardized reporting protocol so that data collected from different HVDC transmission systems can be compared on an equitable basis. This document covers point-to-point transmission systems, back-to-back interconnections and multi-terminal transmission systems.

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    • Technical report
      45 pages
      English language

IEC TS 62898-2:2018 provides guidelines for operation of microgrids. Microgrids considered in this document are alternating current (AC) electrical systems with loads and distributed energy resources (DER) at low or medium voltage level. This document does not cover direct current (DC) microgrids.
IEC TS 62898-2 applies to operation and control of microgrids, including:
• operation modes and mode transfer;
• energy management system (EMS) and control of microgrids;
• communication and monito...
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    • Technical specification
      38 pages
      English language

IEC TS 63014-1:2018(E) is intended to provide an overall and consistent set of guidelines to facilitate the specification of equipment for the DC-side of a high-voltage direct current (HVDC) system using line-commutated converters. For point-to-point HVDC transmission systems, this document covers all DC-side equipment located between the converter valves and the DC overhead line or cable termination, excluding the converter valves themselves. For back-to-back HVDC systems, this document covers ...view more

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    • Technical specification
      87 pages
      English language

IEC 61643-31:2018 is applicable to Surge Protective Devices (SPDs), intended for surge protection against indirect and direct effects of lightning or other transient overvoltages. These devices are designed to be connected to the DC side of photovoltaic installations rated up to 1 500 V DC. These devices contain at least one non-linear component and are intended to limit surge voltages and divert surge currents. Performance characteristics, safety requirements, standard methods for testing and r...view more

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    • Standard
      107 pages
      English and French language

IEC 60050-692:2017 gives the terminology used when considering the dependability and quality of service of electric power systems. The concepts are categorized according to the following sections:
- system concepts;
- operating states of electric power systems;
- failures in electric power systems;
- outages of electric power systems equipment;
- outage occurrences in electric power systems;
- state durations and availability related concepts;
- interruptions in electric power systems;
-...
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    • Standard
      127 pages
      English and French language

This part of IEC 62488 applies to Amplitude Modulation Single Sideband (AM-SSB) Analogue
Power Line Carrier (APLC) Terminals and Systems used to transmit information over power
lines (EHV/HV/MV).
In particular this document covers basically baseband signals with bandwidths of 4 kHz and
2,5 kHz, or multiples thereof, corresponding to the same high frequency bandwidth/s for
single or multi-channel APLC terminals.

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    • Standard
      81 pages
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IEC TR 62978:2017(E) gives guidelines on the current asset management perspectives for HVDC installations based on best practices of asset owners, operators, users, original equipment manufacturers and regulators within the power industry. This document covers HVDC systems with Line-Commutated Converters (LCC) and can be generally applied to Voltage Sourced Converters (VSC), not including specific equipment or sub-equipment required under VSC. This document provides base guidelines on fundamenta...view more

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    • Technical report
      60 pages
      English language

IEC 61643-32:2017 describes the principles for selection, installation and coordination of SPDs intended for use in Photovoltaic (PV) systems up to 1 500 V DC and for the AC side of the PV system rated up to 1 000 V rms 50/60 Hz. The photovoltaic installation extends from a PV array or a set of interconnected PV-modules to include the associated cabling and protective devices and the inverter up to the connection point in the distribution board or the utility supply point. This part of IEC 61643...view more

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    • Standard
      90 pages
      English and French language

IEC TR 63065:2017(E) provides general guidance on basic principles and general proposals for the safe and economic operation and maintenance of an LCC converter station.
These guidelines are based on the operation and maintenance practices that have been used successfully during the last decades at HVDC converter stations all over the world, and can be referred to by new HVDC users to optimize operation and maintenance policy and assist in performing the operation and maintenance work.
This do...
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    • Technical report
      50 pages
      English language

IEC TS 62898-1:2017(E) provides guidelines for microgrid projects planning and specification. Microgrids considered in this document are alternating current (AC) electrical systems with loads and distributed energy resources (DER) at low or medium voltage level. This document does not cover direct current (DC) microgrids.
Microgrids are classified into isolated microgrids and non-isolated microgrids. Isolated microgrids have no electrical connection to a wider electric power system. Non-isolate...
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    • Technical specification
      33 pages
      English language

IEC TS 62786:2017(E) provides principles and technical requirements for distributed energy resources (DERs) connected to the distribution network. It applies to the planning, design, operation and connection of DERs to distribution networks. It includes general requirements, connection scheme, choice of switchgear, normal operating range, immunity to disturbances, active power response to frequency deviation, reactive power response to voltage variations and voltage changes, EMC and power qualit...view more

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    • Technical specification
      25 pages
      English language
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    • Standard
      17 pages
      English and French language
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    • Amendment
      17 pages
      English and French language
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IEC TR 63042-100:2016(E), which is a Technical Report, specifies the reference for the standards and guidelines for UHV AC transmission systems. This document provides an overview of these standards as well as guidelines.

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    • Technical report
      28 pages
      English language