IEC 62894:2014/AMD1:2016
(Amendment)Amendment 1 - Photovoltaic inverters - Data sheet and name plate
Amendment 1 - Photovoltaic inverters - Data sheet and name plate
General Information
- Status
- Published
- Publication Date
- 21-Nov-2016
- Technical Committee
- TC 82 - Solar photovoltaic energy systems
- Drafting Committee
- WG 6 - TC 82/WG 6
- Current Stage
- PPUB - Publication issued
- Start Date
- 23-Nov-2016
- Completion Date
- 23-Nov-2016
Relations
- Effective Date
- 05-Sep-2023
Overview
IEC 62894:2014/AMD1:2016 is an important amendment to the international standard IEC 62894:2014, published by the International Electrotechnical Commission (IEC). This amendment specifically addresses the data sheet and name plate requirements for photovoltaic (PV) inverters. Photovoltaic inverters are critical components in solar energy systems, converting DC power generated by solar panels into AC power for grid connection or local use. The amendment clarifies and updates definitions, mandatory parameters, and recommended practices to enhance consistency and reliability in inverter specification and labeling.
Key Topics
Updated Definitions: The amendment introduces new terms such as:
- Maximum short-circuit DC input current (Iscmax) – the absolute maximum total DC short-circuit current the inverter can safely handle under worst-case ambient and irradiance conditions.
- Rated input power (Pdc,r) – DC input power at the rated voltage and AC output power.
- Time to start-up, rated AC current, maximum AC output power, total harmonic distortion (THD), and maximum efficiency are also defined as either mandatory or optional data sheet parameters.
Data Sheet Requirements:
- The amendment specifies minimum information to be included on photovoltaic inverter data sheets, ensuring clarity on inverter ratings, capabilities, and operating limits.
- It discourages the use of “maximum DC power rating” due to inconsistencies and suggests basing maximum array size on maximum short-circuit current and voltage ratings instead.
- Optional parameters such as start-up delay and efficiency must include testing conditions per IEC 61683 to maintain transparency.
Name Plate Specifications:
- Amendments remove outdated requirements like mandatory metallic name plates, offering flexibility in material choice while maintaining legibility and durability.
- Name plates must include essential inverter ratings aligned with the updated data sheet parameters.
Safety and Grid Interaction:
- Enhanced focus on grid safety features such as active loss of mains detection methods.
- Inverter reconnection times post-disconnection are recommended to be clearly indicated to support grid stability and compliance with local regulations.
Applications
This IEC amendment is crucial for:
- Manufacturers of photovoltaic inverters seeking to standardize product specifications and ensure international market acceptance.
- System designers and engineers who rely on accurate inverter data sheets and name plates for system sizing, safety evaluations, and performance expectations.
- Regulatory bodies and certification agencies enforcing compliance with international standards to assure product safety and interoperability in solar photovoltaic installations.
- Solar energy project developers needing reliable inverter specifications for technical and financial feasibility studies.
- Maintenance and monitoring services who use name plate data for diagnostics and performance tracking.
By clearly defining terminology and data sheet content, IEC 62894:2014/AMD1:2016 facilitates better communication of inverter capabilities, improves system safety, and supports global harmonization in solar photovoltaic equipment standards.
Related Standards
IEC 61683: Photovoltaic systems – Power conditioners – Procedure for measuring efficiency
This standard is referenced for measuring inverter maximum efficiency and establishing consistent efficiency reporting methods.IEC 62109-1: Safety of power converters for use in photovoltaic power systems – Part 1: General requirements
The amendment bases some current-related definitions on IEC 62109-1 to maintain consistency with safety standards.IEC 60721-2-1: Classification of environmental conditions
Provides guidance referenced in this amendment regarding environmental factors affecting inverter ratings.
Keywords
Photovoltaic inverter data sheet, IEC 62894 amendment, photovoltaic inverter standards, inverter maximum short-circuit current, inverter name plate requirements, solar inverter efficiency IEC 61683, inverter rated input power, total harmonic distortion photovoltaic inverter, photovoltaic system standards, international photovoltaic inverter specifications.
Frequently Asked Questions
IEC 62894:2014/AMD1:2016 is a standard published by the International Electrotechnical Commission (IEC). Its full title is "Amendment 1 - Photovoltaic inverters - Data sheet and name plate". This standard covers: Amendment 1 - Photovoltaic inverters - Data sheet and name plate
Amendment 1 - Photovoltaic inverters - Data sheet and name plate
IEC 62894:2014/AMD1:2016 is classified under the following ICS (International Classification for Standards) categories: 27.160 - Solar energy engineering. The ICS classification helps identify the subject area and facilitates finding related standards.
IEC 62894:2014/AMD1:2016 has the following relationships with other standards: It is inter standard links to IEC 62894:2014. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
IEC 62894:2014/AMD1:2016 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
IEC 62894 ®
Edition 1.0 2016-11
INTERNATIONAL
STANDARD
AMENDMENT 1
Photovoltaic inverters – Data sheet and name plate
IEC 62894:2014-12/AMD1:2016-11(en)
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IEC 62894 ®
Edition 1.0 2016-11
INTERNATIONAL
STANDARD
AMENDMENT 1
Photovoltaic inverters – Data sheet and name plate
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 27.160 ISBN 978-2-8322-3777-9
– 2 – IEC 62894:2014/AMD1:2016
IEC 2016
FOREWORD
This amendment has been prepared by the IEC technical committee 82: Solar photovoltaic
energy systems.
The text of this standard is based on the following documents:
FDIS Report on voting
82/1175/FDIS 82/1205/RVD
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.
The committee has decided that the contents of this amendment and the base publication will
remain unchanged until the stability date indicated on the IEC website under
"http://webstore.iec.ch" in the data related to the specific publication. At this date, the
publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
A bilingual version of this publication may be issued at a later date.
_____________
2 Normative references
Add, after the reference IEC 60721-2-1, the following new reference:
IEC 61683, Photovoltaic systems – Power conditioners – Procedure for measuring efficiency
3 Terms and definitions
Add, after entry 3.1.7, the following two new terms and definitions:
3.1.8
maximum short-circuit DC input current
I
scmax
absolute maximum total PV array short circuit current (DC) that the inverter is rated to have
connected to its input terminals, under worst-case condi
...
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