Substation layout electrical substation electricity. This bulletin is an update and revision of previous rea bulletin 651, design. Different layouts for substation radial, tapped, lilo. Jul 20, 2018 owners existing and proposed single line diagram for 3311 kv. Manual for transmission lines and substation construction. Nov 15, 20 presentation on substation layout and bus bar arrangement. Prepared by the subcommittee on the design of substation structures of the committee on electrical transmission structures of the structural engineering institute of asce. Edms, printed to an electronic drawing set adobe pdf and issued to the. Basic substation layout incoming subtransmission lines electric power path through substation outgoing distribution lines lightning arresters. Power transformers, reactors, circuit breaker, instrument transformers, surge arrestors etc. The layout of the substation is very important since there should be a security of supply.
Substation grounding a project presented to the faculty of. Volume 3 3467976 horizon power hpc5da0700012012 distribution substation manual sect 1 customer supply. Commercial and industrial substation manual design and. Technical specification construction of 3311 kv primary. Scribd is the worlds largest social reading and publishing site. Technical specification construction of 3311 kv primary sub. Manual for transmission lines and substation construction and maintenance activities volume i best management practices volume ii permits. The first obvious difference is that the blades of the disconnect switches and the earthing switches installed in a gis substation are surrounded by. Custom substation expansion project florida expansion design of a 230 kv six position ring connection via transmission lines, and converting the 230 kv to a breaker and a. We offer high quality individual components or a whole package incorporating all key equipment required for a complete, integrated substation solution at competitive prices. Our team has a thorough knowledge of substation design, as well as wealth of. To incorporate the latest developments and to facilitate the professional engineers associated in the field. All units are constructed for indoor or outdoor mounting on a concrete pad with high and low. The substation construction manual is not intended to replace asset management standards, but.
Different layouts for substation the substation is the part of an electrical supply system which transmits the high voltage from the generating substations to the local distribution networks. Substation transformers are designed for installation on threephase systems. Substation structure design guide asce manuals and. Distribution substation manual section 1 customer supply arrangements 1 customer supply arrangements index of drawings drawing number drawing title dsm101 legend dsm102 transformer and lv feeder protection fuse chart. Only manual hand crank operation motor operated with manual hand crank override singlephase operation or threephase group service the disconnect switch status, open.
Design using design manual, specifications, internal standards. Substation structure design guide provides a comprehensive resource for the structural design of outdoor electrical substation structures. Presented to the faculty of the department of electrical and electronic engineering. The substation design manual is not intended to replace asset management standards, but rather.
The first step in planning a substation layout is the. Impact of new grid developments on substation design. This document outlines the primary design standard for transgrid substations. Best management practice bmp manual february 2007. 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. Distribution substation manual sect 2 medium voltage network arrangements 3405802 horizon power hpc5da0700032012 distribution substation manual sect 3 substation arrangements 3407067 horizon power hpc5da0700052012 distribution substation manual sect 5 substation fire protection 32463 horizon power hpc5da0700062012. They step down the ehv to hv as per the requirement of the customers. Iem power systems is a premier supplier of electrical equipment and substation packages.
The term layout denotes the physical arrangement of various components in the substation relative to one another. Electrical layout plan elp while planning the layout and orientation of an ehv substation. Download it once and read it on your kindle device, pc, phones or tablets. Distribution automation handbook prototype elements of power d istribution systems 1mrs757959 4 3 elements of power distribution systems 3. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Customer substation manual 6272019 preface page 8 of 82 010. In an ideal substation all circuits and equipment would be duplicated such that following a fault, or during maintenance, a connection remains available. The uee underground substation brings reliable, configurable and efficient power conversion and distribution to mining and. The switch can be replaced by two manual high voltage breakers that can break the load, and expected fault current. Design considerations of the substation and switchyard ii. This is showing three of the five 220 kv66 kv transformers, as well as highvoltage transformer fire barriers, each with a capacity of 150 mva. A substation is a part of an electrical generation, transmission, and distribution system. Oil filled transformers must be used for all outdoor substation.
The manual is applicable for all substation projects regardless of internalexternal construction delivery mode. An indoor substation houses all electrical equipment within the walls of a building. Dec, 2018 3 one and half circuit breaker substation. Operation and maintenance of a gas insulated substation. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. Designed for both new installations and retrofit solutions, these substation transformers are optimized to perform in the most rigorous sectors of industry and are designed to last. Manual for transmission lines and substation construction and maintenance activities volume i best management practices volume ii permits prepared for prepared by hdr engineering, inc 701 xenia avenue south, suite 600 minneapolis, minnesota 55416 february 2007. Distribution substations may also be the points of voltage regulation. Layout the first step in planning a substation layout is the preparation of a oneline diagram which shows in simplified form the switching and protection arrangement required, as well as the incoming supply lines and outgoing feeders or transmission lines. The two primary distribution feeders of the substation illustrated in figure 1 are protected by either power circuit breakers or automatic circuit reclosers. The one and a half circuit breaker layout of a substation are not common because of its high cost and complex technicalities involved in its operation and maintenance. Technical specification construction of 3311 kv primary substations. Indoor substations may either be entirely underground or look similar to other underground distribution system and substation.
Use features like bookmarks, note taking and highlighting while reading substation structure design guide asce manuals and reports on engineering practice book. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Distribution substation manual sect 2 medium voltage network arrangements 3405802 horizon power hpc5da0700042012 distribution substation manual sect 4 equipment installation guide 3407067 horizon power hpc5da0700052012 distribution substation manual sect 5 substation fire protection 32463 horizon power hpc5da0700062012. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. Stability of the system, reliability of power depends on the type of layout chosen and components used in the sub stations. These substations may be supplied radially, tapped from a subtransmission line, or may have two sources of supply.
Pdf substation design manual shally gupta academia. The generic schematic diagram of the mentioned substation is given below. This substation is constructed using steel lattice structures to support strain bus wires and apparatus. The following points serve as guidelines to start a grounding grid design. Introduction sub stations are important link between generating stations and distribution networks. Manual for transmission lines and substation construction and maintenance activities volume i best management practices volume ii permits prepared for. Distribution substation manual section 3 substation arrangements 4122965 superseded horizon power hpc5dc0700032012 distribution design manual. Owners existing and proposed single line diagram for 3311 kv. Between the generation and distribution, the voltage may vary through several substations. Instruction and operation manuals of both equipment and systems generated. Jul 05, 2018 the uee underground substation brings reliable, configurable and efficient power conversion and distribution to mining and. Operation of a gis substation involves the same principles as operati ng an air insulated substation ais even though the different active elements are physically arranged differently. Basic substation layout incoming subtransmission lines electric power path through substation outgoing distribution lines lightning arresters airbreak switches stepdown transformer distribution bus cutout switches oil circuit breaker voltage regulators metalclad switchgear control house. Manual for transmission lines and substation construction and.
Substation layout has significant influence on the operation, maintenance, costand protection of the substation and these aspects are. Commercial and industrial substation manual design and construction photo credit. Rural distribution substation capacities vary from maybe 1. The substation should surround the perimeter and take up as much area as possible to avoid high current concentrations. Substation grounding a project presented to the faculty. What is a electrical substation definition, layout, and. Construction manual for gss rajasthan energy department. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. This manual has been prepared to assist competent technicians in the installation, operation and service of eatons cooper power series primary or secondary unit or opentype substation transformers. Substation transformer installation, operation and. The substation ground grid design is based on the substation layout plan. Substation structure design guide asce manuals and reports on engineering practice book kindle edition by kempner jr.
Hence great care has to be taken to select the layout and. Refer to the underground distribution construction refer to the underground distribution construction manual for details of these substations. A 50 hz electrical substation in melbourne, australia. The publication was revised four times during the period 1967 1996. The location of disconnect switches in substations affects not only the substation layouts but maintenance of the disconnect contacts also. This manual has been prepared to assist competent technicians in the installation, operation and service of primary or secondary unit or opentype substation transformers. This section briefly describes about the probable causes of failure of major substation equipment viz. Design guide for rural substations usda rural development. Eatons cooper power series substation transformers are built with unprecedented quality and attention to detail, meeting a vast range of customer specifications and applications. A special class of distribution substation would include a dedicated customer substation.
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