This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. The customer will design, build, own, and maintain the complete primary installation except line breakers or any switchgear that is part of the dte system. The digital substation control system sicam implements all of the control, measurement and automation functions of a substation. Distribution substations michigan technological university. The document is divided into 12 chapters starting from electrical arrangement to lightning and earthing protection.
This substation is constructed using steel lattice structures to support strain bus wires and apparatus. Unesco eolss sample chapters electrical energy systems components and substations for electrical transmission and distribution systems b. In addition to motor size, substation design needs to consider the type of starting method appropriate for the application. The purpose of this document is to provide a general guide to the design of an air insulated switchgear ais and a gas insulated switchgear gis of an ac substation. The substation construction manual is not intended to replace asset management standards, but. A mv lv transformer electrical substation consists, therefore, of the set of devices dedicated to the transformation of the voltage supplied by the distribution network at medium voltage e. The hv mercuryarc valve and its application to the event of associate in nursing, hvdc transmission technology are represented in earlier books by adamson and hingorani, kimbark and uhlmann.
Pdf lightning performance of an air insulated high. Substation design volume ii physical layout instructor. Pdf lightning performance of an air insulated high voltage. A 50 hz electrical substation in melbourne, australia. Highvoltage substations highvoltage power transmission. Ieee guide for design of substation rigidbus structures. Siemens has proven to be a reliable, trustworthy supplier of highvoltage substations for all voltage levels and for all applications from basic substations with a single busbar to interconnection substations with multiple busbars or a breakerandahalf arrangement for up to 800 kv, 8,000 a, and shortcircuit currents of up to 100 ka. A mv lv transformer electrical substation consists, therefore, of the set of devices dedicated to the transformation of the voltage supplied by the. Components and substations for electrical transmission and. These are the substation earth electrode system, e. The input for a distribution substation is typically at least two transmission or subtransmission lines.
White paper three keys to designing safe, reliable and. The difference between the ground potential rise and the surface potential at the point where the person is standing while at the same time having a hand in contact with a grounded structure. Pdf ee6701 high voltage engineering hve books, lecture. Design of earthing grounding system in a substation grid. The unit substation is a relatively recent development. Below this voltage, the devices are treated as medium voltage mv.
This is the difference in potential between the surf ace potential and the potential at an earthed equipment whilst a man is standing and touching the earthed structure. The content of the book covers a range of substation topologies. Design commissioning and service this uniform technology all from one source saves the user time and money in the planning, assembly and operation of his substations. A typical primary distribution substation would include airinsulated outdoortype high voltage side hv and a metalenclosed airinsulated indoortype medium voltage switchgear mv. Our team has a thorough knowledge of substation design, as well as wealth of experience in material procurement, project management, and logistics of electrical equipment. Download ee6701 high voltage engineering hve books lecture notes syllabus part a 2 marks with answers ee6701 high voltage engineering hve important part b 16 marks questions, pdf books, question bank with answers key, ee6701. All rus borrowers rus electric staff effective date. It is intended to help those who have to define and implement sas, whilst also conforming to the current. Due to specific reasons, like space limitations, environmental aspects and security, the substation can be built using gas insulated switchgear gis technology. If you want an article on some other topics then comment us below in the comment section.
Iec 62271203 highvoltage switchgear and controlgear part 203. The high voltage hv points in regulations start at ratings above 52 kv in both iec and ieee regulations. The book offers extensive coverage of the physical basis of highvoltage engineering, from insulation stress and strength to lightning attachment and protection and beyond. Operate instruments or metering from high voltage or high current circuits. Electrical substations can also be divided into public and private substations. Substations are an important part of the electrical generation, transmission and distribution system. Distance d is defined as the length of the underground conduit of the pt and ct secondary conductors.
They transform voltage from high to low, or vice versa, and provide the ties. The first step in designing a power substation is to design an earthing and bonding system go to content earthing and bonding. Substation design manual this material is made available on the basis that it may be necessary for a registered professional engineer of queensland rpeq to undertake or oversee the engineering services to meet statutory obligations. Table 1 provides a matrix for selecting a conductor size and distance d to achieve the ct accuracy of 0. High voltage safety operating procedures for engineers and. High and medium voltage substation design, testing and maintenance training in london uk, dubai united arab emirates, kuala lumpur malaysia, istanbul turkey, france paris. The common gis high voltage ratings can be classified into four design parts or device types for any producers, even if the split may differ somewhat. Lines at this voltage also serve markets in new york and new england, also very high demand regions. Medium voltage products technical guide the mvlv transformer. A substation is a part of an electrical generation, transmission, and distribution system. Generally, dte will design, build, own, operate, and maintain any associated high voltage substation and high voltage lines feeding the substation except for those. 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. For a substationtype environment, the use of a positrontype electronic device is required to. High and medium voltage substation design, testing and.
Voltage rating of a capacitor the rated voltage selected not to below the maximum system operating voltage typically 1. Siemens has proven to be a reliable, trustworthy supplier of highvoltage substations for all voltage levels and for all applications from basic substations with a single busbar to interconnection substations. It is a salient area of design when either constructing a new substation. Design and implementation aims to close the gap created by fast changing technologies impacting on a series of legacy principles related to how substation secondary systems are conceived and implemented. Cables in electrical energy systems the first modern according to todays views a 10 kv cable line was built in 1890. Design and implementation aims to close the gap created by fast changing technologies impacting on a series of legacy principles related to how.
Unit substations usually contain high and low voltage disconnect switches, one or two threephase transformers, low voltage breakers, high voltage fusing, bus work, and relays. Distribution voltages are typically medium voltage, between 2. A road map to the engineering design, preparation of bid documents, bid process and construction supervision kindle edition by linares m. In this article, i will share the pdf of a high voltage direct current transmission. As the distribution system is rated up to 50kv many large industrial. A typical primary distribution substation would include airinsulated outdoortype highvoltage side hv and a metalenclosed airinsulated indoortype mediumvoltage switchgear mv. This is the potential difference developed when a man bridges a distance of 1m with his feet while not touching any other earthed. One transmission line at this high voltage was built near chicago as part of the interconnection for three large nuclear power plants southwest of the city. The outlets from the primary substation will then supply the required electrical energy to the nearby customer loads. Lowering of the substation profile may also be accomplished by means other than underground circuits although this approach may necessitate a larger surface area, resulting in larger site requirements. Customer substations will then further transform the distribution. Fundamentals of modern electrical substations part 1. The function of an earthing and bonding system is to provide an earthing system connection to which transformer neutrals or earthing impedances may be connected in order to pass the maximum fault current.
Shunt capacitor banks design, application and protection. Substation design manual this material is made available on the basis that it may be necessary for a registered professional engineer of queensland rpeq to undertake or oversee the engineering. In the planning of the pittsburgh downtown 69kv power supply, several factors had to be considered in the design of switchgear equipment. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Generally, dte will design, build, own, operate, and. Airinsulated, gasinsulated and mixed technology switchgear substations together with the essential. Customer substations will then further transform the distribution high voltage to the lv. Presenting information critical to the design, selection, testing, maintenance, and operation of a myriad of highvoltage power equipment, this musthave text.
Substation design standard drawings 026237 diagram of connections for metering polyphase. Our design services for high voltage substations, switching stations, transmission and. Electrical energy systems components and substations for electrical transmission and distribution systems b. Focus is on highvoltage transmission normally defined as anything over 69kv states typically regulate siting of new. In common with these texts the primary edition of this book. This is showing three of the five 220 kv66 kv transformers, as well as high voltage transformer fire barriers, each with a capacity of 150 mva. Gasinsulated metalenclosed switchgear for rated voltages above 52 kv 092011 orequired leakage rate voltage. Tikhodeev encyclopedia of life support systems eolss 2. Tribal leader forum series feb 78 2012 10 asics of transmission planning electrical grids are interconnected regional systems. In designing the substation, three voltage have to be considered. This publication covers the design, construction, substation layout and the electrical equipment located in customerowned high voltage substations. Design and implementation aims to close the gap created by fast changing technologies impacting on a series of legacy principles related to how substation secondary. The overall substation earthing system impedance consists of three main components.
Substation engineering ais and gis substations beta. A unit substation is factory built and tested, then shipped in modules that are bolted together at the site. 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. This handbook offers the whole knowledge of high voltage substations from their design and construction to the maintenance and the ongoing management, the entire asset lifecycle. Pdf substation design manual shally gupta academia. Hve high voltage entry hv high voltage greater than v a. High voltage substation design and application guide eep.
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