Installations meeting the ansi provisions comply with paragraph b of this section. Identify some of the safety hazards that maybe found in substations and switchyards. This electrical substation and switchyard design course focus on elementary safety standards and practices in substations and switchyard design. An electrical substation is a subsidiary station that is part of an electrical generation, transmission, and distribution system. 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. This course provides an introduction to electrical safety when working around substations and switchgear. Contact with substation equipment can cause serious injury or even death. Feb 29, 2016 an electrical substation is a subsidiary station that is part of an electrical generation, transmission, and distribution system. 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. 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.
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. In most substation applications, a class 2 rubber glove is the required level of protection. Bsee and boem as to what additional standards may be applicable to offshore substation design as the agencies update their regulations. Each twoday session will focus on different aspects of substation safety, inspection, testing and maintenance. Loosefitting plugs can cause overheating and fires. Fortunately, substation construction standards and the national electrical safety code have changed over the years to help reduce hazards. 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. Access to maintain large apparatus such as transformers. Describe some of the general safety practices that apply to most. Voltages at transmission substations, highvoltage electricity passes through a transformer. Outlets without a snug fit should be replaced by a licensed electrician. 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. 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. Considering the fact that the entire premise is rife with potential electrical and chemical hazards, even the slightest negligence can prove damaging.
Aug 17, 2016 electrical safety awareness for non electrical workers duration. Selection of the location of a substation must consider many factors. 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. Control of incidents related to electrical shock and hazards. 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. Network owners managers industrial units utilities are all free to manage accessibility concerns based on the sitespecific risk analysis and potential safety threats. 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. This document supports the power system safety rules and its requirements assembled under high. Electrical safety hazards book for electrical workers eep. The input for a distribution substation is typically at least two transmission or subtransmission lines.
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. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. This pdf contains 77 electrical inspection checklists taken from the 2014 electrical inspection manual with checklists. Although each substation is slightly different, below are some safety issues that frequently arise in inspections. 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. Safety factors to consider for substation accessibility the ef. 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. For example, the bottom of a post insulator supporting an energized bus does not normally have any potential. Substation safety incident prevention dedicated to. Rubberizedinsulated ppe maintenance all electrical equipment shall be tested according to cianbro safety policy, procedures and best practices. This article is only a guide that outlines the basic requirements for personnel entering and working in a substation. Substations transform voltage from high to low, or the reverse, or perform any of several other. Practical electrical substation safety for engineers and. Electrical injuries an arc flash is a release of energy caused by an electric arc figure 262.
Substations have a set of unique rules that are strictly enforced by the governing utility or municipality, known as the designated authority. A substation provides a protected area for switching power circuits and may include transforming power from one voltage to another. 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. This work instruction supports the power system safety rules and its requirements assembled under safe. 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. 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. Electricity hazards safety guide energy safe victoria. A substations primary function is to transform voltage from low to. Safety awareness for substations incident prevention. Accessibility is a key aspect that heavily influences the security of the substation, its infrastructure, and the safety of its occupants. Describe some of the general safety practices that apply to most jobs in substations and switchyards. Safety factors to consider for substation accessibility. Do a site walkthrough and inspect the electrical tools.
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. Pdf analysis on safety measures of substation maintenance. Safety in substations and switchyards training course. Distribution voltages are typically medium voltage, between 2. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Substations have a set of unique rules that are strictly enforced by the governing utility or municipality, known as the designated. Helps employers and employees who are responsible for electrical equipment provide protection against 120volt electrical hazards on construction sites.
All rus borrowers rus electric staff effective date. It details the electrical hazards which must be managed to ensure the safety of. The substation training series consists of five 5 highly specialized sessions specifically designed. Transmission licensee shall prepare his own safety manual for the. 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.
Highvoltage cables are manufactured to exact specifications so that they can withstand a variety of mechanical and electrical stresses. 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. 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. 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. Personnel trained to work inside substations must take appropriate safety precautions and. Philippine electrical code is hereby adopted and the standards contained are considered safety. Offshore substation design development of standards. 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. 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. The input for a distribution substation is typically at least. The checklists are in pdf format and can be completed electronically. American national standard national electrical safety code, ansiieee c22012 contains guidelines for the dimensions of access and working space about electric equipment in substations. 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. 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.
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. Another extremely important substation engineering aspect is associated with safety protection. This document supports the power system safety rules and its requirements assembled under work in substations general category 3. Pdf pas an important node in the power grid, substation plays a very important role in the whole power grid. Helping people trapped in vehicles by fallen powerlines.
Ambayic, pabillo, vio ecet3a philippine electrical code. An electrical substation is the component of a power system with which voltages are transformed for the transmission, distribution, transformation and switching of power. Manage activitiesjobs associated with electrical hazards safely. A substation is a part of an electrical generation, transmission, and distribution system. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Use this template to assess the compliance of electrical safety measures for a given worksite.
Distribution substations michigan technological university. Work in substations general summary this document supports the power system safety rules and its requirements assembled under work in substations general. Applicable to tata power operating and project sites which cover but not limited to plant premises, switchyards, substations, offices etc. Test test test on x 1 fpw12 visit esfis website at. The site must have room for expansion due to load growth or planned transmission additions. Identify electrical hazards that may exist in substations and switchyards. Personnel trained to work inside substations must take appropriate safety precautions and always wear personal protective equipment ppe.
This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Electrical substations reduce the high voltages used to move electricity over long distances to the lower voltages that distribute electricity to. Electrical safety awareness for nonelectrical workers duration. 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. Rubberizedinsulated ppe maintenance all electrical equipment shall be.