It to believed to be more effective for ptsd than relaxation training. This is a discussion of the basic principles behind grounding systems and how grounding is related to safety and the effective operation of circuit protection devices such as fuses and circuit breakers. This course will discuss how to maintain, test, and inspect a proper grounding system for the electrical power substation. Outline grounding electrode systems and its requirements. This course provides insight into the workings of the grounding system from the end user back to the substation. It implements theoretical concepts given in 9 in the software form. Consequences of such applications, of course, have to be carefully evaluated.
This substation grounding course covers effective relaying and insulation of equipment. To ensure that a person who is in the vicinity of earthed facilities during a. Substation engineers must accurately assess the condition of grounding systems to ensure they are capable of dissipating additional fault current. Affect of potential difference between the substation ground mat and the local grounding of drainage reactors and pilot cable shield. We provide customized electrical grounding training and electrical earthing training to companies as well as open to the public. In high and medium voltage air insulated substations ais the electromagnetic field, which causes are the static charges of bare cable and conductors and by the atmospheric conditions surges, induce voltages at nolive parts of the installation that create potential differences between metallic parts and ground and also between different points of. Fence grounding n the national electrical safety code requires grounding metal fences used to enclose substations with energized electrical conductors or equipment. Structural dynamic analysis training guide overview the program winigs is an analysisdesign tool for multiphase power systems. Esgsd is preliminary developed in order to assist the engineers in the design of substation grounding system. When expanding a substation, workers must bond the new fencing to the existing fence grid. Online power distribution training courses on substations, protection relays, voltage control, distributed generation, voltage control devices.
Our 12hour live online substation training course will cover the major elements that build electrical substations and switchyards. Ic 8835 1980 guide to substation grounding and bonding for mine power systems. One paper, safety grounding a performance approach was provided only in pdf due to the complex nature of the document. The main purpose of this work is the development of an optimization model for the design of the grounding grid in electrical substations. Ieee guide for safety in ac substation grounding ieee std 802000. Steps to ensure effective substation grounding part 1 eep. After completion the student will be familiar with all aspects. Transmission lines are those highvoltage power lines that run from power plants to substations, or from substation to substation. Basic substation configurations and the components avo training. In the course of the design, three types of voltages were. Fundamental principles in the design of grounding systems in substations solving static electricityrelated hazards by grounding and bonding role of grounding in protecting substation structures from lightning hazard role of grounding in surge protection of power distribution equipment and sensitive systems. Explain the fundamentals, basic principles, and requirements of grounding and bonding.
Optimized design of substation grounding system using. Home download center electrical engineering books and technical guides power substation guides guide to grounding systems design considerations the general purpose of earthing system is to protect life and property in the event of 5060 hz faults shortcircuit and transient phenomena lightning, switching operations. Functions of an earthing system the two primary functions of a safe earthing system are. K substation standards switch operating and equipment platforms electrical design and details 20. Ieee guide for safety in ac substation grounding ieee std. Preferrably in a classroom setting, but an online course, or even a tutorial cddvd will do. Training program is helpful for students, engineers working in. Attendees learn the causes of high ground currents, how they can be minimized, and the techniques to mitigating stray voltage.
Grounding electrode conductors are sized using section 250. Bernanke added an eclectic, marketresponsive approach to increasing workforce skills is the. Ground check monitors for underground power systems. Grounding is much more active, focuses on distraction strategies, and is intended to help extreme neg ative feelings. Ensure that user organizations identified in table 1 are aware of their maintenance responsibilities. Principles of electrical grounding john pfeiffer, p. D substation standards lighting fixture pole and bracket mounting 19.
D substation standards ground cable on tubular steel. An electrical substation is a critical resource in a power system. The approach here is based on standard ieee 80 safety in ac substation grounding these discussions are for illustration only grounding practices are subject to local regulationscodes which will take precedence. Cymgrd, substation grounding program the cymgrd software is a substation grounding grid design and analysis program specially developed to help engineers optimize the design of new grids and reinforce existing grids, of any shape, by virtue of easy to use, builtin danger point evaluation facilities. The program follows an integrated modeling approach which includes detailed models of most major power system components such as transmission lines transformers generators, grounding systems, etc. Ic 8767 1978 guide for the construction of drivenrod ground beds. The proper grounding of a substation is essential and very important for the following two reasons. Td703 revision 6 temporary protective grounds for td. A welldesigned grounding system will ensure reliable performance of the substation over its entire service life. Fire protection facilities in substation dc auxiliary supply battery bank sizing and selection ref. Review of substation grounding practices, safety and. Three days training program oct 57 on substation earthing. The following papers are being presented in either only pdf format or both html and pdf. Webinar substation the basics of a substation configuration.
Thank you for your question regarding distribution and substation grounding systems, it is our pleasure to help. Power system grounding industry experiences electrical and. Safe operation of a substation calls for a properly designed and installed grounding system. This 12hour live online substation grounding training course will discuss how to maintain, test, and inspect a proper grounding system for the electrical power. Optimized design of substation grounding system using newly. Grounding fundamentals for electric power systems the course program contains the following training outline. My company has training, but not on specific topics such as grounding. Pdf grounding system design in electrical substation. The substation grounding system is an essential part of the every electrical system. Substation earthing this intensive threeday course will give you an insight into all aspects of substation earthing for low, medium and high voltage systems distribution and transmission, to ensure safety, protection and regulatory compliance. Describe groundfault circuit interrupter requirements. Electrical safety ppe best practices including 1910. Windows based integrated grounding system design program.
Wellman, optimal ground grid design for large ehv substations with autotransformer, publication no. Easypower is partnering with the industryleading grounding and emi analysis expert company, sint ingegneria, which offers a software package to analyze and design grounding, lightning and electromagnetic interference problems by focusing on its powerful and yet affordable grounding analysis software packages, xgslab easypower is the exclusive representative. Optimal design of grounding system for hv ehv substations in. The effect of backfill on the performance of the grounding system of a substation is studied in this paper. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. The expert certification training provides level 2 graduates with the complementary level 2 specialization i.
A substation is a high voltage electric system facility. Temporary grounding jumper assemblies used on deenergized electric power lines and equipment ieee c22012, national electrical safety code ieee 802000, ieee guide for safety in ac substation grounding ieee 100, the authoritative dictionary of ieee standards terms. Personal protective grounding for electric power facilities. Most utility power companies treat transmission and distribution lines as separate entities. Select the appropriate grounding system and discuss the implications.
Code of practice for design, installation and maintenance of overhead power lines, iec 600712. Soil testing basics wenner 4point soil resistivity measurements 3. Online power distribution training courses on substations. The approach here is based on standard ieee 80 safety in ac substation grounding these discussions are for illustration only grounding practices are subject to local regulationscodes which will take precedence technology training that works. Two or more distinct but adjacent facility grounding electrode systems that are intentionally. Substation grounding training the electricity forum. We offer specialized electrical grounding training and electrical earthing training courses in a variety of lengths, from half day courses to full day or longer seminars. Substation design guide a pdh online course for engineers. Substation earthing, industrial earthing and neutral earthing at iei mysore, karnataka india. The choice of earthing to one point on each system is designed to prevent the passage of current through the earth under normal conditions, and thus to avoid the accompanying risks of electrolysis and interference with communication circuits earthing may not give protection against faults which are not essentially earth faults i.
Recent technological developments have had tremendous impact on all aspects of substation design, operation, maintenance, safety, and grounding, testing and troubleshooting. Oct 18, 2017 this webinar discusses the basic configuration of a substation as well as the key players involved with operations and control of transmission and distribution circuits. This way, if a fence somehow becomes energized, the grounding will protect anyone who touches it. For protective grounding purposes, any electrical facility with a grounding electrode system ground mat which bonds all conductive, noncurrent carrying parts of equipment and for the control of surface potential gradients. If anyone can recommend such a class, etc, it will be greatly appreciated. Session 6 covers grounding principles and substation grounding design. This webinar discusses the basic configuration of a substation as well as the key players involved with operations and control of transmission and distribution circuits. Train users to perform their responsibilities to inspect and maintain lightning and grounding systems as identified in table 1 when requested. Fundamental principles in the design of grounding systems in substations solving static electricityrelated hazards by grounding and bonding role of grounding in protecting substation structures from lightning hazard role of grounding in surge protection of. Practical grounding of utility and industrial distribution. This guide is not designed as a training manual, but contains information, best practices and general recommendations deemed appropriate to perform a. Similarly, if removing fence sections, workers must maintain the fences grounding continuity.
Mental grounding describe your environment in detail. Note that grounding is not the same as relaxation training. Easypower is partnering with the industryleading grounding and emi analysis expert company, sint ingegneria, which offers a software package to analyze and design grounding, lightning and electromagnetic interference problems by focusing on its powerful and yet affordable grounding analysis software packages, xgslab. The backfill is simply the replacement of the existing soil surrounding the grounding. Electrical worker training substations vivid learning systems. Factory training abbs greensburg, pa factory location is ideal for circuit breaker training, providing a state. Substation fences must be grounded, including their gates. Design of earthing grounding system in a substation grid.
This guide is not designed as a training manual, but contains information, best practices and general. Some of the papers were only available as hardcopy. This course is a continuation of the 2012 apic course on power. This substation grounding course covers the ideas behind effective substation grounding system design and describes test methods and numerical models to characterize soil. Emergency training employer shall document that employees required to respond to emergencies have received training in 1 and 2 below. Guide to grounding systems electrical engineering portal. First, it provides a means of dissipating electric current into the earth without exceeding the operating limits of the equipment. The problem is formulated as a mixedinteger linear. Other element interesting for consider is the grounding in. Groundrod ac substation earthing tutorial 1 groundrod ac substation earthing tutorial 1. Pdf substations are a vital part of the electric power system and therefore require. Here software named economical substation grounding system designer. Temporary grounding within substations 700 general precautions 72 701 suitable temporary grounding systems for substation applications 72 702 temporary grounding procedures for.
Substation physical design, grounding, and communications session 5 presents design inputs, layout options and selec tion, and air and gas insulated substation design. This metal fence grounding requirement may be accomplished by bonding the fence to the substation grounding grid or to a separate. All rus borrowers rus electric staff effective date. How we can ground the power distribution systems and. Does anyone know where i can find a good substation grounding course. Certification training courses ses safe engineering. Training is available at abb facilities worldwide, at customer sites and online. The chairman stated that workforce skills can be improved not only through k12 education, college, and graduate work but also through. Factory training abbs greensburg, pa factory location is ideal for circuit breaker training, providing a stateoftheart manufacturing facility for handson experience. Sessions 7 and 8 will present scada concepts and telecom methods. Substation grounding plays the primary role in several key aspects of fault clearing, equipment preservation and, most importantly, personnel protection as well as protection of the passing public. In fact, if the ground grid in a station were not in place, anyone standing next to a breaker that operates stands a good chance of being shocked. How we can ground the power distribution systems and substations.
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