IEEE 80-2013 PDF Free Download: A Guide for Safety in AC Substation Grounding
If you are involved in the design, installation, operation, or maintenance of AC substations, you may be interested in IEEE 80-2013 standard. This standard provides guidance and information on how to ensure safety in AC substation grounding. In this article, we will explain what IEEE 80-2013 standard is, why grounding system design is important for AC substations, how to design a grounding system according to IEEE 80-2013 standard, and how to access IEEE 80-2013 PDF for free.
What is IEEE 80-2013 standard?
IEEE 80-2013 standard is a guide for safety in AC substation grounding. It was published by the Institute of Electrical and Electronics Engineers (IEEE) in 2015, incorporating a corrigendum from the same year. It superseded the previous version of the standard, IEEE 80-2000, which was published in 2000.
ieee 80-2013 pdf free download
Scope and purpose of the standard
The scope of IEEE 80-2013 standard is primarily concerned with outdoor AC substations, either conventional or gas-insulated. These include distribution, transmission, and generating plant substations. With proper caution, the methods described in the standard are also applicable to indoor portions of such substations, or to substations that are wholly indoors. However, the standard does not cover the grounding problems peculiar to DC substations or the effects of lightning surges.
The purpose of IEEE 80-2013 standard is to provide guidance and information pertinent to safe grounding practices in AC substation design. The specific purposes of the standard are to:
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Establish, as a basis for design, safety limits of potential differences that can exist in a substation under fault conditions between points that can be contacted by the human body.
Review substation grounding practices with special reference to safety, and develop safety criteria for design.
Provide a procedure for the design of practical grounding systems, based on these criteria.
Develop analytical methods as an aid in the understanding and solution of typical voltage gradient problems.
Provide benchmarks cases to compare the results of IEEE 80 equations to commercially available software programs.
Main topics covered by the standard
The main topics covered by IEEE 80-2013 standard are:
The concept and use of safety criteria, such as touch voltage, step voltage, mesh voltage, transfer voltage, etc.
The practical aspects of designing a grounding system, such as soil resistivity testing, ground grid configuration, ground conductor sizing, ground rod placement, etc.
The procedures and evaluation techniques for the grounding system assessment, such as fault current distribution, ground potential rise, ground resistance measurement, etc.
The standard also provides supporting material in several annexes, such as examples of calculations, software validation cases, soil models, etc.
Why is grounding system design important for AC substations?
Grounding system design is important for AC substations because it affects the safety and performance of the power system. A well-designed grounding system can provide the following benefits:
Protect personnel and equipment from electric shock hazards due to fault currents or lightning strikes.
Facilitate the operation of protective devices and minimize damage to equipment due to fault currents.
Reduce the electromagnetic interference and noise in the power system.
Provide a reference voltage for the power system and improve the power quality.
However, grounding system design also poses some challenges and risks, such as:
The complexity and variability of the soil conditions and parameters, which affect the ground resistance and potential distribution.
The uncertainty and diversity of the fault scenarios and lightning events, which affect the magnitude and duration of the fault currents and voltages.
The trade-off between the cost and performance of the grounding system, which affect the selection of the materials and components.
The compliance with the codes and standards, which may vary depending on the location and jurisdiction of the substation.
Therefore, grounding system design requires careful analysis and evaluation to ensure safety and reliability in AC substations.
How to design a grounding system according to IEEE 80-2013 standard?
The design of a grounding system according to IEEE 80-2013 standard involves three main steps: data collection and analysis, grounding system configuration and impedance, and safety criteria and evaluation. These steps are summarized in the following table:
Step
Description
Data collection and analysis
This step involves gathering and processing the relevant information for the grounding system design, such as:
The substation layout, equipment, and configuration.
The soil resistivity and structure at the substation site.
The fault current sources and characteristics.
The lightning exposure and protection level.
Grounding system configuration and impedance
This step involves determining and optimizing the geometry and parameters of the grounding system, such as:
The ground grid size, shape, depth, spacing, and conductor size.
The ground rod number, location, length, and diameter.
The connection of the equipment and structures to the ground grid.
The calculation of the grounding system impedance and resistance.
Safety criteria and evaluation
This step involves applying and verifying the safety criteria for the grounding system design, such as:
The maximum allowable touch voltage, step voltage, mesh voltage, transfer voltage, etc.
The body weight, shoe resistance, surface layer resistance, etc. of a person in contact with the ground.
The calculation of the actual touch voltage, step voltage, mesh voltage, transfer voltage, etc. in the substation.
The comparison of the actual values with the maximum allowable values.
The modification of the grounding system design if necessary.
The standard provides detailed formulas, methods, examples, and software tools for each step of the design process. The designer should follow the standard's recommendations and procedures to ensure a safe and effective grounding system for AC substations.
How to access IEEE 80-2013 PDF for free?
If you want to access IEEE 80-2013 PDF for free, you have a few options. However, you should also be aware of some precautions and limitations when using these options. Here are some possible ways to access IEEE 80-2013 PDF for free:
IEEE Xplore digital library
IEEE Xplore is an online platform that provides access to IEEE publications, including standards. You can search for IEEE 80-2013 standard on IEEE Xplore and view its abstract and metadata. However, to download or print the full-text PDF of the standard, you need to have a subscription or pay a fee. Alternatively, you can try to access IEEE Xplore through your institution's library or network if they have a subscription or an agreement with IEEE. You can also request a free trial or a guest account from IEEE if you are eligible.
Other online sources
You may also find IEEE 80-2013 PDF for free on other websites or platforms that offer free downloads or sharing of documents. However, you should be careful when using these sources because they may not be authorized or reliable. Some of these sources may have incomplete or inaccurate versions of the standard or may contain viruses or malware. You should also respect the intellectual property rights of IEEE and its authors when using these sources. You should not distribute or reproduce IEEE 80-2013 PDF without permission or citation.
Precautions and limitations
While accessing IEEE 80-2013 PDF for free may seem convenient and economical, you should also consider some precautions and limitations when doing so. Some of these are:
You may not have the latest or updated version of the standard, which may affect its accuracy and applicability.
You may not have access to the supplementary material or resources that come with the standard, such as annexes, examples, software tools, etc.
You may not have the technical support or customer service that IEEE provides to its subscribers or customers.
You may violate the terms and conditions of IEEE or other sources when accessing IEEE 80-2013 PDF for free.
Therefore, you should weigh the pros and cons of accessing IEEE 80-2013 PDF for free and decide whether it is worth it or not. You should also consider purchasing or subscribing to IEEE 80-2013 standard if you need it for your professional or academic purposes.
Conclusion
IEEE 80-2013 standard is a guide for safety in AC substation grounding. It provides guidance and information on how to design, install, operate, and maintain a safe and effective grounding system for AC substations. It covers the main topics of safety criteria, grounding system configuration and impedance, and grounding system assessment. It also provides supporting material and examples in several annexes. You can access IEEE 80-2013 PDF for free from IEEE Xplore or other online sources, but you should also be aware of some precautions and limitations when doing so. Alternatively, you can purchase or subscribe to IEEE 80-2013 standard from IEEE or other authorized vendors.
FAQs
Here are some frequently asked questions about IEEE 80-2013 standard:
What is the difference between IEEE 80-2013 and IEEE 80-2000?
IEEE 80-2013 is the latest version of the standard that superseded IEEE 80-2000. It incorporates a corrigendum from 2015 that corrected some errors and inconsistencies in the original publication. It also includes some updates and revisions based on the latest research and practice in grounding system design. Some of the main changes are:
The addition of benchmark cases to compare the results of IEEE 80 equations to commercially available software programs.
The revision of the soil resistivity models and parameters.
The clarification of the safety criteria and evaluation methods.
The improvement of the examples and figures.
How can I learn more about IEEE 80-2013 standard?
If you want to learn more about IEEE 80-2013 standard, you can refer to the following resources:
The official website of IEEE, where you can find more information about the standard, its history, its scope, its authors, etc.
The IEEE Xplore digital library, where you can access the abstract and metadata of the standard, as well as related publications and citations.
The online courses and webinars offered by IEEE or other organizations that cover the topics and applications of IEEE 80-2013 standard.
The books and articles written by experts and practitioners that explain and illustrate the concepts and methods of IEEE 80-2013 standard.
How can I apply IEEE 80-2013 standard to my substation project?
If you want to apply IEEE 80-2013 standard to your substation project, you can follow these steps:
Collect and analyze the relevant data for your substation site, such as soil resistivity, fault current sources, lightning exposure, etc.
Determine and optimize the configuration and parameters of your grounding system, such as ground grid size, shape, depth, spacing, conductor size, ground rod number, location, length, diameter, etc.
Apply and verify the safety criteria for your grounding system design, such as touch voltage, step voltage, mesh voltage, transfer voltage, etc.
Use the formulas, methods, examples, and software tools provided by IEEE 80-2013 standard to perform the calculations and evaluations for your grounding system design.
Modify your grounding system design if necessary to meet the safety criteria and performance requirements.
Document your grounding system design process and results according to the standards and codes applicable to your substation project.
What are some alternatives or complements to IEEE 80-2013 standard?
If you are looking for some alternatives or complements to IEEE 80-2013 standard, you can consider the following standards or guides:
IEEE Std 81-2012: Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Grounding System. This guide provides methods and procedures for measuring the earth resistivity, the ground impedance, and the earth surface potentials of a grounding system. It also provides guidance on how to interpret and use the measurement results for grounding system design and assessment.
IEEE Std 142-2007: Recommended Practice for Grounding of Industrial and Commercial Power Systems. This recommended practice provides a unified approach to the design, installation, operation, and maintenance of grounding systems for industrial and commercial power systems. It covers the topics of system grounding, equipment grounding, static electricity, lightning protection, etc.
IEC 61936-1:2010: Power installations exceeding 1 kV a.c. - Part 1: Common rules. This international standard provides common rules for the design and erection of electrical power installations in systems with nominal voltages above 1 kV a.c. It covers the topics of general requirements, earthing arrangements, protection against electric shock, etc.
These standards or guides may have different scopes, purposes, methods, or criteria than IEEE 80-2013 standard. Therefore, you should compare and contrast them carefully and choose the most suitable one for your substation project.
Where can I get help or feedback on IEEE 80-2013 standard?
If you need help or feedback on IEEE 80-2013 standard, you can contact the following sources:
The IEEE Standards Association (IEEE-SA), which is the organization that develops and publishes IEEE standards. You can visit their website, send them an email, or call them to get more information or support on IEEE 80-2013 standard.
The IEEE Power & Energy Society (IEEE PES), which is the technical society that sponsors IEEE 80-2013 standard. You can join their community, attend their events, or access their resources to learn more about IEEE 80-2013 standard and related topics.
The IEEE PES Substations Committee, which is the committee that oversees the development and maintenance of IEEE 80-2013 standard. You can visit their website, subscribe to their newsletter, or participate in their meetings or working groups to get involved in IEEE 80-2013 standard activities.
The experts and practitioners who have experience and knowledge in grounding system design and IEEE 80-2013 standard. You can consult them through your network, online forums, or professional associations to get advice or feedback on IEEE 80-2013 standard applications.
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