However, in general, high voltage substation has the following main equipment. This design is simplest and has an ease of operation and maintenance. This design has a minimum reliance over signaling for the necessary protection of its operation. The manual is applicable for all substation projects regardless of internalexternal construction delivery mode. A special class of distribution substation would include a dedicated customer substation. The digital substation control system sicam implements all of the control, measurement and automation functions of a substation. Substation structure design guide, mop 1, provides a comprehensive resource for the structural design of outdoor electrical substation structures.
This manual offers the most current guidelines available on analysis methods, structural loads, deflection criteria, member and connection design, structure testing, quality control, quality. Typical line diagram of distribution circuit showing application of reclosers. A substation oneline drawings f substation threeline drawings project plan v2 design document v2 presentation slides and rehearsal faculty presentation finalize deliverables sum hours budget 5. Development of 22kv distribution systems and switchgear. A unit substation is factory built and tested, then shipped in modules that are bolted together at the site. Jan 14, 2018 explore wahedullahs board substation layout. One changes the 3d model to make physical alterations to substation while annotations and dimensions are revised by editing the associated 2d construction drawings.
Point of delivery request from customer new england power tbd palmer substation concept tbd no accommodate distributed energy resources upgrade existing 115. Substation design criteria page 4 of 8 electrical clearances yard clearances the substation shall be designed to provide at a minimum, the yard clearances and spacing in table 11. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. The substation equipments such as conductors, transformers, etc. Refer to appendix a for a list of standard substation drawings. Detailed engineering design of the substation will be part of the 100% front end engineering design. Distribution substation plant manual 2019 western power. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Rotating loads like induction motors are integrated as well.
Jun 03, 2019 create the substation project with scheduled milestones and inservice date. The following are the general substation layout diagram. Associated information and drawings specified in the design advice is required tobe based on specification sde001 substation electrical design. Ask them to interpret the symbols, letters, and numbers associated with components on the drawing and document the information gathered on a.
Pdf substation design and standards information laurence. Distribution voltages are typically medium voltage, between 2. Dec 12, 2020 the equipment required for a power substation depends upon the type of substation, service requirement and the degree of protection desired. When a shortcircuit occurs generators pump current into the fault. B substation standards typical power circuit breaker wiring diagram sh 2 of 3 70. Pdf substation design manual shally gupta academia. Substation and includes a control building, bus structures, switchgear, and a stepup transformer. Construction of 3311kv substations undp procurement notices.
Rural distribution substation capacities vary from maybe 1. Purpose the purpose of this document is to provide guidance on the submission of design drawings for proposed. The first semester will focus on the solar generation schematics and oneline drawings for the substation. Different connections are made between the various. For substations situated in a special environment, special designs for the substation may be adopted that is subjected to the approval by clp power. Substation plant manual is defined as a technical document within the ams document. Distribution substations michigan technological university. Design guide for rural substations usda rural development.
The substation, which has been in operation for about 60 years, is accessed via cherry hill drive. These substations are meant for switching operations of power lines without transforming the voltage. The new mini substation is already being delivered to the tokyo. Other requirements of the substation electrical system 56 10. Drawings shall not exceed 22 inches in height by 36 inches in width. General arrangement plan drawing because bil rating dictates phasephase and phaseground clearances general arrangement section view drawing equipment installation detail drawing note. Proposed substation details are to be submitted for acceptance before installation. The new mini substations provide greater capacity, enhanced capabilities including builtin remote monitoring and distribution line coupling capabilities, and are smaller than previous substations. This document is a reference for the constructors of ergon energy substations and it covers all aspects of substation construction for both greenfield and brownfield substation projects to meet the performance expected by ergon energy.
A fio stringing requirements for information only service building. Underrated equipment subjected to this sudden current inrush may. This document may be out of date if printed nsp007028 guidance on substation design. Medium voltage products technical guide the mvlv transformer.
This alleviates the work load and helps prevent manual errors in the configuration process. Equipment spacing shall be in accordance with the applicable codes. Single line diagram of substations cad design software. Assign the project team resources with inhouse staff, external staffcontractors, or contract entire project as a turnkey solution, engineerprocureconstruct epc option, etc. A substation is a part of an electrical generation, transmission, and distribution system. A substation standards control cable color code identification 68. Substation design services 4002202kv gis substation. Seven design diagrams that every hv substation engineer must.
Distribution transformers shall be in accordance withapplicable parts of c57 ieee and westerns requirements which include limits on percent impedance voltage ratings. Therefore, to avoid this difficulty, lightening arresters are. Substation design manual iii reference ni000401r121 ver 2 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 9. For the user, complete technology from one source has many advantages an exception is revenue metering. Power substation design calculations a checklist of 18.
The project substation will be connected to the leveland public powerexisting 69 kv system at the c substation via an overhead gentie circuit. See more ideas about electrical substation, electrical cad, elevation drawing. Whenever light surges occur then, a highvoltage pass through these electrical components causing damage to them either temporary or permanent damage based on the amount of voltage surge. Ask them to interpret the symbols, letters, and numbers associated with components on the drawing and document the. Construction related environment due diligence triggers and general cumulative impacts 163 a. The unit substation is a relatively recent development.
All secondary substations shall be selected in accordance with the criteria detailed in eds 073101 where location, landlegal rights and risk assessment considerations are outlined. Basics of designing power substations 3 phase associates. General cumulative impacts during construction, operations and. Substation steel structures pacific steel structures, llc 19814 e pheasant dr. Details shown on this drawing are typical for this type of substation building but may not be suitable for substations housing alternative equipment. Earthing standard, r522687 general substation requirements, and r522697 temporary earthing of substation equipment. By placing objects in specific layers an array of physical construction drawings can be generated from the 3d model. B substation standards typical power circuit breaker wiring diagram sh 1 of 3 69. Expert instructors with decades of substation design experience will guide you in learning how to develop reliable substation. All steel reinforcing must be welded in accordance with clause 10. Results are incorporated in the following drawings. Appendix d substation and cable route design report. A busbar structure is an assembly of bus conductors with associated connection joints and insulating supports.
Npc substation drawing categories are listed in table 1 below. Nextera energy june 2019 east point revision 0 substation design criteria page 4 of 8 electrical clearances yard clearances the substation shall be designed to provide at a minimum, the yard clearances and spacing in table 11. Eversource rows, occupied by overhead transmission lines and overhead and underground distribution lines, extend from the substation to the north, south, east, and west. Hundreds, if not thousands, of generators are tied to the power grid. Revised drawings shall show revision dates and all changes and revisions circled on the drawings. This fundamental course leads you through a stepbystep study of the substation design and construction process. During the second semester the team will begin detailed threeline drawings for the substation. The substation must service incoming lines of 8kv and outgoing lines of 69kv battery bank must be rated at 125v dc and in accordance with ieee 485 lightning protection must be in accordance with ieee std 9982012 all substation drawings will be done using autocad 1. These substations are located near the consumer localities to supply power at 400v, three phase or 230v, single phase to the consumers. Table 11 yard minimum clearances nominal operating voltage phph 1,2, kv nom 1 basic impulse level. It has been established based on experience and lab tests. Electrical substation definition, layout, and uses of. However, good manual detailing practices such as the following still apply to computer.
The lines in substations carry currents in the order of thousands of amperes. 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. The first step in planning a substation layout is the preparation of a one line. Auxiliary transformers supply power to auxiliary equipments at the substations. These distance take into account typical maintenance work methods s and ensure that the routine and most corrective maintenance tasks can be performed in safe and efficient a manner.
During substation upgrades continuity of supply to. Urban substations are usually built in brick, whereas rural ones are often installed externally directly on the mv pylon. All earth connections within the substation yard for apparatus must be connected to the substation. Substations containing one transformer are classified as a single substation whereas a. Early electrical substations required manual switching or a. Leverage substation gateway hardware to host a substation. Drawings should be selfcontained with no external reference files or attachments. Oneline diagram, physical plans and sections, lightning study, acdc study, and schematicswiring diagrams. All earth connections within the substation yard for apparatus must be connected to the substation yard earth grid. These substations may be supplied radially, tapped from a subtransmission line, or may have two sources of supply. All substation drawings will be done using autocad 1. Drawing content all drawings shall conform to a similar standard of detail as provided by the northern powergrid standard substation electrical layout drawings which can be obtained from the primary engineering projects substation design section on request. Substation concept tbd no accommodate distributed energy resources remove two 69.
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