Collector substations also exist where multiple thermal or hydroelectric power plants of comparable output power are in proximity. Flame retardant arcrated chemical resistant clothing, gloves, safety glasses, shields, face masks, hard hats, and steeltoed shoes must be an integral part of the ppe collection made available for workers. Design study for 3311 kv substation, distribution and. Safe working area red cones up to 7m apart, two orange ropes 10mm used on each side of the yellow angled cross arm and green cones up to 6m apart, define the safe working area within the roped perimeter. A distribution substation is commonly made up of two transmission lines that provide the input, and a set of feeders that act as an output. Emerging technologies and future trends in substation. Why are you not giving an equation in pdf file i want all the equation which is not shown in pdf file of design study for 3311 kv substation, distribution and protection in the city of kenya so what can i do reply. Substation electrical substation transformer free 30. Bentley substation supports a mixed file format environment, which means that you can use dgn and dwg data in project files simultaneously. One transformer station power supply dlt860 modelaided system and method for work thereof. There is numerous electrical substation components like outgoing and incoming circuitry each of which having its circuit breakers, isolators, transformers, and busbar system etc for the smooth. All rus borrowers rus electric staff effective date. If a pdf file is desired, select file print and print to a large enough sheet size to show the desired level of detail when zoomed in, using the pdf. There is numerous electrical substation components like outgoing and incoming circuitry each of which having its circuit breakers, isolators, transformers, and busbar system etc for the smooth functioning of the system.
Use pdf download to do whatever you like with pdf files on the web and regain control. This is achieved by i limiting the area of working testing or ii isolating and discharging the contents to safe working levels. The substations are mainly used to convert ac alternating current to dc direct current. Sep 10, 2019 use of ppes is mandatory when working in a substation. Switzerland introduction the more than 4000 substation automation sa systems installed worldwide are proof of the acceptance of such systems and the appreciation of their benefits by the utilities and. Nfpa 70e principle member of the nfpa 70e technical committee.
Thus the monitoring and working efficiency of the substation will drastically increase. Download file pdf substation engineer jobs substation engineer jobs substation engineer jobs the substation engineer prepares electrical engineering calculations and designs for electrical substations low, medium, high, and extra high voltage. Gas insulated switchgear is used in industrial areas to fulfil highenergy demands by space saving design with a minimum of cost. Fires and explosions are common dangers in these extremely highvoltage areas, so working with total awareness is the key to getting home safely. Pdf green and sustainable power is the need of the day. The substation would be a combination of switching, controlling, and voltage stepdown equipment arranged to reduce subtransmission voltage to primary distribution voltage for residential, commercial, and industrial loads. The pdf file is corrupt or invalid the document content is not displayed wrong url do not display the document content when clicking on downloading documents, instead. This is achieved by i limiting the area of workingtesting or ii isolating and discharging the contents to safe working levels. The dl t860 model auxiliary system comprises an icd interface control document generating module, an online loading module and an icd model document detecting module. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. The infrastructure on the other hand must house gas detectors, scaffoldings, and. Cn104504217a dl t860 model auxiliary system for power.
Substation explosion 9 december 2019 incident overview two workers suffered serious burns when a ring main unit rmu exploded while they were working on an electrical power distribution system in port macquarie. Normally stations are where we catch trains or buses. Image taken at site after the accident the investigation safework nsw inspectors responded to the incident. Other requirements to make this concept possible are. The electricity substation is a network of electrical equipment which is connected in a structured way in order to supply electricity to end consumers. The fence is connected to a separate grounding conductor. The collector substation can also provide power factor correction if it is needed, metering and control of the wind farm. Jul 28, 20 substation is a interface for receiving power and to distribute power slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. If the transformer was shipped fob destination, notify your factory representative.
A substation is a part of an electrical generation, transmission, and distribution system. Electricity has to be transmitted over large distances as the place where the power is being generated and the place where it is consumed can be far apart. Addresses issues related to the development, operation and management of electric power. This unique experience has been very valuable when designing the building blocks of the todays substation automation concept. Pdf a database has been developed that documents performance of substation. Typically, you might maintain the main design file in bentley substation, but have project subcontractors who provide their portion of the project.
B substation standards typical power circuit breaker wiring diagram sh 1 of 3 69. Distribution substations michigan technological university. This substation uses large transformers to convert or step up the generators voltage to extremely high voltages for longdistance transmission on the transmission grid. Electrical substation components list diagram, working. Only authorised work may be conducted in these areas, with the approval of the safety document holder. Improve working conditions of your personnel eplacing analog with digital sampled values, with the inherent isolation from the primary circuit r removes dangerous voltages and currents from the protection cubicle. Iec 61850 defines an interoperable exchange of engineering data between ieds of different manufacturers in the same system between different ied versions during long time system maintenance. Dec 25, 2018 the electricity substation is a network of electrical equipment which is connected in a structured way in order to supply electricity to end consumers. Under the present invention is applicable to electric system and related application environment thereof, the centralized management field of the network equipment, is applicable to the network equipment centralized management of transformer substation system, particularly relates to a.
Since then, abb has delivered numerous systems throughout the world. The following layout designs of indoor distribution substation are typical only and should not be used as construction drawings as they are presented as an example. A substation may include transformers to change voltage levels between high transmission voltages and lower distribution voltages, or at the interconnection of two different transmission voltages. B substation standards typical power circuit breaker wiring diagram sh 2 of 3 70. This document supports the power system safety rules and its requirements assembled under work in substations general. Basic substation configurations and the components avo training. Substation automation systems make their control and monitoring possible in real time and help. Abbs dcb substations is a marketing app for clearly and easily showing the advantages of a substation equipped with disconnecting circuit breakers in comparison to substations equipped with conventional circuit breakers and disconnectors. Gas insulated substation ppt pdf presentation gas insulated substations gis is a compact,multicomponent assembly enclosed in a ground metallic housing in which the primary insulating medium is compressed sulphur hexafluoride sf6 gas. Substation transformer installation, operation, and maintenance instructions and parts replacement information coope ower. Safety requirements for work on or adjacent to the distribution. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. It details the electrical hazards which must be managed to ensure the safety of personnel when working in switchyards, substations, high voltage areas including cable tunnels, general. Of 1122 kv substation26 01 2009 free download as pdf file.
By the same analogy we can explain what a substation does. Doc page 1 of 98 revision description of change date revised by 0. Substation transformer installation, operation and. If you continue browsing the site, you agree to the use of cookies on this website. Substation transformers are designed for installation on. Use of ppes is mandatory when working in a substation. Sometimes you need to work with the bentley substation dgn file format, but the final project deliverable must be in dwg format. A substation is an electrical system with highvoltage capacity and can be used to control the apparatus, generators, electrical circuits, etc. The invention discloses a dl t860 model auxiliary system for a power supply of a transformer substation and a working method of the dl t860 model auxiliary system. Substation free download as powerpoint presentation. The input for a distribution substation is typically at least two transmission or subtransmission lines. Hv substation project brief history et bihl d i 1987 f th il ti f l hv mv d established in 1987 for the realization of complex hv, mv and lv projects. The voltage runs through the substation, and out of the feeders.
Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Export construction drawings to pdf and dwg with small. Gas insulated switchgear is used in industrial areas to fulfil highenergy demands by space saving design with a. Dwg files can stay in dwg format, and dgn files can stay in dgn format. Pdf development of an electrical substation equipment. The substation design manual is not intended to replace asset management standards, but rather to act as a reference document that crossreferences existing standards and process documentation and plugs any gaps where asset management documentation does not exist. Electrical worker training substations vivid learning systems. Some designs achieve minimum emf emission by installing the low voltage cables and switchboard in a trench down the middle of the room. Some types of substations are tiny in size with an inbuilt transformer as well as related switches.
This report is the result of numerous people working to achieve a common goal of improving operations and maintenance and energywater eficiency across the federal sector. A substation standards switch operating platforms steel design and details 49. The aim of a distribution substation is to transfer the power from a transmission system into a distribution system. Easier maintenance or replacement where connection of signals can be done under appropriate working conditions. Our substation design solution reduces the amount of time to complete design and minimizes errors that cause rework during construction.
The following current and former members of the substation subcommittee of the nreca. Handling for unloading, lifting hooks are provided near the top of the. He or she will, with the inspectors report, take the necessary steps to file a claim against the carrier. The iec 61850 standard stipulates the substation configuration description language scl file as a means to define the substation equipment, ied function and also the communication mechanism for. Issues that have an impact to be able to provide a full working system solution using the benefit of selecting devices from different suppliers.
This enables to reduce labor cost at substation and saves time. The substation layout drawings and data presented in the app are to be considered as approximations. E substation standards switch operating platforms steel design and details 48. Fundamentals of electrical substations and switchgear. Web to pdfconvert any web pages to highquality pdf. In other situations, you may have a legacy dgn file that you need to convert to a dwg file. Index by keyword page ais air insulated switchgears 66, 70, 72 and 73 apps advanced power protection system 44, 45, 46 and 47 arcgis geographic information system 106 atex 32 and 33 automation for substations 53, 101 brio w310 124 c264 micom compact rtu 101 circuitbreakers 63 competence management 18 cyber security 50 design of installation 43 elearning 20, 27, 28 and 39. 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. If a dwg file is desired, select file export dgn,dwg,dxf and export to. Switching is the operation of connecting and disconnecting of transmission lines or other components to and from the system.
The substation construction manual is not intended to replace asset management standards, but rather to act as a reference document that crossreferences existing standards and process documentation and plug any gaps where asset management documentation does not exist. Many of these file management operations and others can also be performed from the work page or file open dialog. A dgn file is composed of one or more models, each of which is represented using elements such as lines, arcs, and shapes. Design guide for rural substations usda rural development. In the last upgrade of the website, the system happens to be incompatible with some pdf documents of the old version, making the system unrecognizable to the file type so it will appear one of the following. Iec 6072003 insulated bushings for alternating voltages above v from the open iec standard webstore. The file tab has items for creating, opening, and saving dgn files. Export construction drawings to pdf and dwg with small file.
A bentley substation document file is called a dgn file. Preliminary 25072012 work specification template v0. Gas insulated substations gis is a compact,multicomponent assembly enclosed in a ground metallic housing in which the primary insulating medium is compressed sulphur hexafluoride sf6 gas. By converting all data to the same format and using file naming standard it makes data transparent to adding new analysis functions. Distribution voltages are typically medium voltage, between 2. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area.
Safety requirements for work on or adjacent to the. Optional select file compress options, enable all options, click compress. The threephase power leaves the generator and enters a transmission substation at the power plant. The authors wish to acknowledge the contribution and valuable assistance provided by the staff of the federal energy management program femp. Technical guide the mvlv transformer substations abb group.