Electrical devices and technologies as a subject for regulation

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Technological development and methods of applying innovations are changing every day. Companies whose activities are based on the use of electronic devices are forced to implement detailed control systems to obtain a productive result. But as markets expand and merge more and more, regulation is increasingly taking place at the international level. International standards will help to balance these processes. Since in the 21st century every organization uses new technologies in its operations, we recommend that you familiarize yourself with the above list of documents.

Application integration at electric utilities - System interfaces for distribution management - Part 5: Distributed energy optimization

IEC 61968-5:2020

Electrical appliances require precise regulation to structure the production system. As more and more collaboration takes place in the exchange of innovations at the international level, it is necessary to comply with key international standards, one of which is IEC 61968-5: 2020.

IEC 61968-5:2020 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, since this is an enterprise integration standard which may leverage IEC 61968-100:2013 for application integration (using web services or JMS) or other loosely-coupled implementations, there are no technical limitations 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 to understand communication to individual DER’s smart inverter. 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.

Since this standard has a large number of technical features and refinements, we recommend that you familiarize yourself with its characteristics in more detail on our website.

Junction boxes for photovoltaic modules - Safety requirements and tests

IEC 62790:2020

Test methods are primarily responsible for safety. When it comes to electrical appliances, special attention is paid to international standardization, since individual parts affect the whole system. When entering the international market, you must be aware of the latest regulatory updates.

IEC 62790:2020 is available as IEC 62790:2020 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition.IEC 62790:2020 describes safety requirements, constructional requirements and tests for junction boxes up to 1 500 V DC for use on photovoltaic modules in accordance with class II of IEC 61140:2016.

This document applies also to enclosures mounted on PV-modules containing electronic circuits for converting, controlling, monitoring or similar operations. Additional requirements concerning the relevant operations are applied under consideration of the environmental conditions of the PV-modules. This document does not apply to the electronic circuits of these devices, for which other IEC standards apply. This second edition cancels and replaces the first edition published in 2014. This edition includes the following significant technical changes with respect to the previous edition:

  • Modifications in normative references and terms and definitions;
  • Improvement of declaration of categories for junction boxes in 4.1;
  • Clarification for ambient temperature in 4.1;
  • Addition of requirement to provide information concerning RTE/RTI or TI in 4.2;
  • Reference to IEC 62930 instead of EN 50618 in 4.6;
  • Addition of "Functional insulation" in Table 1;
  • Addition of "Distance through cemented joints" in Table 3;
  • Correction of procedure of process to categorize material groups (deletion of PTI) in 4.15.2.3;
  • Requirement for approval of RTE/RTI or TI for insulation parts in 4.16.1 and 4.16.2;
  • Change of requirements concerning electrochemical potential in 4.17.2;
  • Clarification for IP-test in 5.3.4.2;
  • Addition of test voltage for cemented joints in 5.3.6 and 5.3.16;
  • Addition of detailled description on how to prepare the test sample for the thermal cycle test in 5.3.9.1;
  • New test procedure for bypass diode thermal test (5.3.18) in accordance with MQT 18.1 of IEC 61215-2:2016;
  • New test procedure for reverse overload current test in 5.3.23;

If this standard corresponds to your field of activity, but at the same time some aspects are contradictory, we recommend that you contact our team for assistance in selecting the most appropriate document for your business.

Photovoltaic devices - Part 4: Photovoltaic reference devices - Procedures for establishing calibration traceability

IEC 60904-4:2019

Electrical appliances are an integral part of manufacturing processes and productive results from operations. In order for this activity to increase the scale and productivity, it is necessary to comply with the requirements established at the international level in the standards, one of which will be discussed below.

IEC 60904-4:2019 is available as IEC 60904-4:2019 RLV which contains the International Standard and its Redline version, showing all changes of the technical content compared to the previous edition. IEC 60904-4:2019 sets the requirements for calibration procedures intended to establish the traceability of photovoltaic (PV) reference devices to SI units as required by IEC 60904-2. This document applies to PV reference devices that are used to measure the irradiance of natural or simulated sunlight for the purpose of quantifying the performance of PV devices. The use of a PV reference device is required in many standards concerning PV (e.g. IEC 60904-1 and IEC 60904-3). This document has been written with single-junction PV reference devices in mind, in particular crystalline silicon, but it is sufficiently general to include other single-junction technologies. This second edition cancels and replaces the first edition published in 2009. This edition includes the following significant technical changes with respect to the previous edition: modification of standard title;

  • inclusion of working reference in traceability chain;
  • update of WRR with respect to SI;
  • revision of all methods and their uncertainties in annex
  • harmonization of symbols and formulae with other IEC standards.

If the field of activity of your organization comes into contact with the technologies described in this document, you can clarify all questions in more detail with our team by clicking on the link above. To keep being updated with the latest news in international standardization we recommend to stay with iTeh company that will give you a map of future development of the company.

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High-voltage switchgear and controlgear - Part 108: High-voltage alternating current disconnecting circuit-breakers for rated voltages above 52 kV

IEC 62271-108:2020

Each document has a wide variety of technical parameters that are necessary to regulate the various stages of production. In order to understand which document can give a significant impetus to the development of a business operating in the field of technology, it is necessary to be aware of the detailed technical characteristics of each standard.

IEC 62271-108:2020 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 second edition cancels and replaces the first edition published in 2005. This edition contains the following significant technical changes with respect to the previous edition:

  • The document has been restructured according to IEC 62271-1:2017.
  • The document has been adapted to some of the changes introduced in IEC 62271-100:–[1].
  • The document has been adapted to some of the changes introduced in IEC 62271-102:2018.
  • References have been reviewed and updated.
  • Some definitions have been reviewed and adapted to the latest IEV editions.
  • Rated static terminal load and static terminal load test have been removed and a design requirement for static mechanical loads has been included.
  • Additional type tests for auxiliary and control circuits have been included.
  • X-radiation test procedure for vacuum interrupters has been included.
  • Type test for testing of interlocking device and type test for testing of temporary mechanical locking devices have been included.
  • Special requirements for making and breaking tests on class E2 disconnecting circuit-breakers have been removed. [1] Under preparation. Stage at the time of publication: IEC CDV 62271-100:2020.

The presence of a significant number of amendments significantly complicates the perception of the applicability of the document. In order to more clearly perceive the possibility of applying the standard in your organization, we recommend that you consult with a team of professionals to avoid mistakes.

High-voltage switchgear and controlgear - Part 104: Alternating current switches for rated voltages higher than 52 kV

IEC 62271-104:2020

Technologies such as switchgear can be found not only in production but also in everyday activities. That is why the application of international standards such as IEC 62271-104: 2020 may not be narrow-profile, but rather extensive and far on a large scale than initially perceived.

IEC 62271-104:2020 is applicable to three-pole alternating current switches for rated voltages higher than 52 kV, having making and breaking current ratings, for indoor and outdoor installations, and for rated frequencies up to and including 60 Hz. This third edition replaces and cancels the second edition published in 2015. It constitutes a technical revision. This edition includes the following significant technical changes with respect to the previous edition: new numbering, following IEC 62271-1:2017.

If you are interested in the possibility of using this document, you can contact our team on the website and clarify all the details you are interested in.

One step to leading the market

The importance of applying international standards finally becomes clear already at the first stages of their implementation. Especially when it comes to new technologies, you need to understand how important it is to stay up to date with the latest regulations in order to maintain a leading position in the market. Stay with iTeh and be the global quality leader in your industry.

References:

https://standards.iteh.ai/catalog/standards/iec/af3c613a-8347-4c91-80ef-49b5e01b027c/iec-61968-5-2020

https://standards.iteh.ai/catalog/standards/iec/51170824-4610-4576-885f-3e022d619d6d/iec-62790-2020

https://standards.iteh.ai/catalog/standards/iec/2a9a5e24-8930-402a-b4e7-2c6a62a4e840/iec-62271-108-2020

https://standards.iteh.ai/catalog/standards/iec/530412e6-9fdb-4ec3-afb7-1bcb680b4b8c/iec-60904-4-2019