Safety aspects in electrical equipment design objectives of safe design insulation and its role in safety enclosures for safety ip classification adverse thermal effects and prevention isolation and blocking of switching to prevent hazards role of standards in safety the program electrical substation safety is an. Control of incidents related to electrical shock and hazards. This document supports the power system safety rules and its requirements assembled under work in substations general category 3. Upon entering an attended substation, each employee, other than employees regularly working in the station, shall report his or her presence to the employee in charge of substation activities to receive information on special system conditions affecting employee safety. A minimum height from the ground to any ungrounded part of an electrical installation should be 86, so a person staying on the ground cant touch a substation element or its part which may become energized accidentally. Network owners managers industrial units utilities are all free to manage accessibility concerns based on the sitespecific risk analysis and potential safety threats. Loosefitting plugs can cause overheating and fires. Safety procedures formulated to meet requirements outlined in nesc and other standards go a long way in making substations more secure against known hazards and. American national standard national electrical safety code, ansiieee c22012 contains guidelines for the dimensions of access and working space about electric equipment in substations.
Manage activitiesjobs associated with electrical hazards safely. Describe some of the general safety practices that apply to most. Installations meeting the ansi provisions comply with paragraph b of this section. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Home download center electrical engineering books and technical guides power substation guides electrical safety hazards book for electrical workers electrical safety is a serious issue. Safety aspects in electrical equipment design objectives of safe design insulation and its role in safety enclosures for safety ip classification adverse thermal effects and. Practical electrical substation safety for engineers and. Describe some of the general safety practices that apply to most jobs in substations and switchyards. Access to maintain large apparatus such as transformers. Rubberizedinsulated ppe maintenance all electrical equipment shall be. Substations have a set of unique rules that are strictly enforced by the governing utility or municipality, known as the designated. Health and safety executive electrical switchgear safety a guide for owners and users this is a webfriendly version of leaflet indg372rev1, published 04 introduction this guidance is for owners and operators of electrical switchgear in industrial and commercial organisations with little electrical knowledge or expertise available inhouse.
Identify some of the safety hazards that maybe found in substations and switchyards. The input for a distribution substation is typically at least two transmission or subtransmission lines. This course provides an introduction to electrical safety when working around substations and switchgear. Electrical injuries an arc flash is a release of energy caused by an electric arc figure 262. Health and safety executive electrical switchgear safety a guide for owners and users this is a webfriendly version of leaflet indg372rev1, published 04 introduction this guidance is for. Do a site walkthrough and inspect the electrical tools.
In most substation applications, a class 2 rubber glove is the required level of protection. Voltages at transmission substations, highvoltage electricity passes through a transformer. Pdf pas an important node in the power grid, substation plays a very important role in the whole power grid. Substation training series do you need specific training for your substation personnel.
Electrical substations are supplementary parts of electricity generation systems, where voltage is transformed from high to low and vice verse using transformers. Although each substation is slightly different, below are some safety issues that frequently arise in inspections. The substation training series consists of five 5 highly specialized sessions specifically designed. This article is only a guide that outlines the basic requirements for personnel entering and working in a substation. Personnel trained to work inside substations must take appropriate safety precautions and. A minimum height from the ground to any ungrounded part of an electrical installation should be 86, so a person staying on the ground cant touch a substation element or its part which may. Distribution substations michigan technological university. An electrical substation is a subsidiary station that is part of an electrical generation, transmission, and distribution system.
Electrical safety summary 53 annex a 54 electrical safety terms and definitions 54 annex b 61 electrical safety codes and standards 61 annex c 63 energized electrical work permit 63 annex d 65 arcflash calculation steps 65 annex e 67 arc flash calculator tables 67 annex f 71 resources for electrical safety 71 annex g 73 references 73 annex h 74. Electrical safety hazards book for electrical workers eep. Considering the fact that the entire premise is rife with potential electrical and chemical hazards, even the slightest negligence can prove damaging. This document supports the power system safety rules and its requirements assembled under high. Electrical substation safety is an important issue in utility networks as well as large industrial installations and requires adequate attention in the stages slideshare uses cookies. Fortunately, substation construction standards and the national electrical safety code have changed over the years to help reduce hazards. Use this template to assess the compliance of electrical safety measures for a given worksite. Safety factors to consider for substation accessibility the ef. Helping people trapped in vehicles by fallen powerlines. Work in substations general summary this document supports the power system safety rules and its requirements assembled under work in substations general.
Substations transform voltage from high to low, or the reverse, or perform any of several other. Helps employers and employees who are responsible for electrical equipment provide protection against 120volt electrical hazards on construction sites. Safety in substations and switchyards training course. Feb 29, 2016 an electrical substation is a subsidiary station that is part of an electrical generation, transmission, and distribution system. Electricity hazards safety guide energy safe victoria. Test test test on x 1 fpw12 visit esfis website at. Introduction to substations annotated instructors guide module overview this module introduces trainees to the function of substations at all levels of the power grid, with an. The substation training series consists of five 5 highly specialized sessions specifically designed for substation personnel and other crews who work in and around substations. This work instruction supports the power system safety rules and its requirements assembled under safe. Another extremely important substation engineering aspect is associated with safety protection. The site must have room for expansion due to load growth or planned transmission additions. Personnel trained to work inside substations must take appropriate safety precautions and always wear personal protective equipment ppe. The input for a distribution substation is typically at least. Rubberizedinsulated ppe maintenance all electrical equipment shall be tested according to cianbro safety policy, procedures and best practices.
Outlets without a snug fit should be replaced by a licensed electrician. Each twoday session will focus on different aspects of substation safety, inspection, testing and maintenance. Sep 09, 2014 electrical substation safety is an important issue in utility networks as well as large industrial installations and requires adequate attention in the stages slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. These recommendations will take into account the critical nature of the substation to the operation of the wind farm, while also considering costs of the structures when recommending standards. Home download center electrical engineering books and technical guides power substation guides electrical safety hazards book for electrical workers electrical safety is a serious issue electrical safety in the workplace is the most important job of an electrical worker. Safety factors to consider for substation accessibility. Identify electrical hazards that may exist in substations and switchyards. Contact with substation equipment can cause serious injury or even death. Electrical substations reduce the high voltages used to move electricity over long distances to the lower voltages that distribute electricity to. When a highvoltage cable is terminated for a connection to a circuit or equipment in a substation or switchyard, the termination must also be made to exact specifications. Helps employers and employees who are responsible for electrical equipment provide.
Do a site walkthrough and inspect the electrical tools and equipment being used e. This electrical substation and switchyard design course focus on elementary safety standards and practices in substations and switchyard design. Substation safety incident prevention dedicated to. The checklists are in pdf format and can be completed electronically. An electrical substation is the component of a power system with which voltages are transformed for the transmission, distribution, transformation and switching of power. Each substation inspection must start with an entrance meeting to discuss safety concerns with the management of the station, and end with an exit conference to talk about any discrepancies the inspectors discovered. Sep 10, 2019 safety procedures formulated to meet requirements outlined in nesc and other standards go a long way in making substations more secure against known hazards and triggers.
Aug 17, 2016 electrical safety awareness for non electrical workers duration. Welcome to the electric substation safety resource site the purpose of this site is to establish a place where all substation workers can come and share their safety ideas,work methods and practices so that we can all benefit from kamagra oral jelly online each others experiences. Transmission licensee shall prepare his own safety manual for the. It details the electrical hazards which must be managed to ensure the safety of. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. This pdf contains 77 electrical inspection checklists taken from the 2014 electrical inspection manual with checklists. All rus borrowers rus electric staff effective date. Substation construction manual i reference ni000401r122 ver 3 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 revision. Ambayic, pabillo, vio ecet3a philippine electrical code. Philippine electrical code is hereby adopted and the standards contained are considered safety. Electrical safety awareness for nonelectrical workers duration. Applicable to tata power operating and project sites which cover but not limited to plant premises, switchyards, substations, offices etc. Substation 220kv substation substation grounding substation design course substation design power substation substation protection system electrical substation engineering electrical substation design cbip manual for substation 3311 kv substation construction manual electrical substation design fundamentals pdf electrical substation design.
Philippine electrical code is hereby adopted and the standards contained are considered safety standards to safeguard any person employed in any workplace and control the practice of electrical engineering electrical safety inspection installation assemblage of electrical equipment in a given location. Substation construction manual i reference ni000401r122 ver 3 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 revision history version description of change date 1 initial version 250320 2 content revised and additional content added, including safety. Electrical safety summary 53 annex a 54 electrical safety terms and definitions 54 annex b 61 electrical safety codes and standards 61 annex c 63 energized electrical work permit 63. Highvoltage cables are manufactured to exact specifications so that they can withstand a variety of mechanical and electrical stresses. Pdf analysis on safety measures of substation maintenance. A substation is a part of an electrical generation, transmission, and distribution system. For example, the bottom of a post insulator supporting an energized bus does not normally have any potential. Offshore substation design development of standards. A substation provides a protected area for switching power circuits and may include transforming power from one voltage to another.
Distribution voltages are typically medium voltage, between 2. A substations primary function is to transform voltage from low to. Bsee and boem as to what additional standards may be applicable to offshore substation design as the agencies update their regulations. Selection of the location of a substation must consider many factors. Introduction to substations annotated instructors guide module overview this module introduces trainees to the function of substations at all levels of the power grid, with an introduction to typical substation components included. Substations have a set of unique rules that are strictly enforced by the governing utility or municipality, known as the designated authority. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. Compliance with all technical requirements all energize elements comply with the required clearances clearances verify compliance with the last requirements of the national electrical safety code or prepa diseno subw\copy of svc subst profile 2.
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