Three conditions have been simulated in order to analyse the behaviour of the power system in these situations. In general, it was connected to the transmission system by looping, single tapping, or double tapping flip. The single line diagram makes the system easy and it provides the facilitates reading of the electrical supply and connection. Single line diagram sld or, one line diagram the singleline diagram is the blueprint for electrical system analysis. Single line diagram of 3311 kv jampaijala for tender purpose. The working of the electrical equipment used in the substation is explained below in details. This layer will contain the electrical components of the single line diagram. Single line diagrams of substations 6611 kv and 110. Power evacuation, main single line diagram, grid interconnection. Section 3 is the simulation of single line diagram of 2 kv substation in etap based upon practical data. The single line diagram of the 33kv substation is depicted in the figure below.
Depending on the function performed, it can be defined as a transforming, conversion, transmission or distribution substation. The goal of this course was to learn about lighting. Dec, 2018 single line diagram of an electrical substation. Ctr 200 11 a single line diagram of 3311 kv jampaijala for tender purpose only. Single line diagram of 3311 kv jampaijala for tender purpose only. The substation is a basic part of the electrical system. Section 5 contains the alert summary report generated after load flow analysis.
One purpose of a substation is to contain the equipment for changing electric energy from one voltage to another. The substation design manual is not intended to replace asset management standards, but rather. Medium voltage products technical guide the mvlv transformer. The switch is interlocked with the transformer breaker so it cannot be opened under load. Regarding elements in singleline diagrams, they were already explained in previous article, so if you didnt read it, its advisable to do it first 6611 kv outdoor substation single line diagram. Single line diagrams of 220kv66kv11kv transmissiondg. Basic substation configurations and the components. A substation engineer should have a good understanding of the electrical equipment and layout of hv power substation. High voltage transmission lines are used to transmit the electric power from the generating stations to the load centers. What is a electrical substation definition, layout, and. Outgoing feeder for feeding the other subsequent substations or. 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.
Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. When it is decided to build a new substation or expand an existing substation, a detailed study of system parameters is performed to determine location, size, voltage, sources, loads, and role the substation performs on the system. Electrical design of 233kv substation line diagram. Substation standard z732 zone substation operating single. To overcome the under voltage at the 11kv, 33kv feeder buses and 2 kv buses capacitor bank of suitable ratings are added. Regarding elements in singleline diagrams, they were already explained in previous article, so if you didnt read it, its advisable to do it first. Doc user manual page 7 colors of the single line diagram to makethis documenteasier to consult, the images of the singleline diagram have where possible been created on a white background, thus with the same color configuration as that predefined in the program. Single line diagram33kv11kv substation this is the easy way to understand the working of substation.
Single line diagram33kv11kv substation this is the easy way to understand the working of. It is the first step in preparing a critical response plan, allowing you to become thoroughly familiar with the electrical distribution system layout and design in. A substation is part of a system and not an entity to itself. Single source, single feeder substation the oneline diagram of a singlesource, singlefeeder substation with the minimum equipment used. Section 4 is the load flow analysis of the substation. Pdf single line diagram of substations denny rama prahara. A mv lv transformer electrical substation consists, therefore, of the. Load flow analysis of 2 kv substation using etap software. The single line diagram of the substation is shown in the figure below. The probability of a fault during circuit breaker maintenance.
Existing and proposed single line diagram for 3311 kv. Pdf classification of substation singleline diagrams based on. Distribution substations michigan technological university. Medelec switchgear ltd compact substation 2 the substation is a compact enclosure consisting of mv switchgear, a transformer and an lv switchboard located. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Switching operations substations connect or disconnect elements of the power system, using circuit breakers andor switches. Technical guide the mvlv transformer substations abb group. The subtransmission circuit enters the substation through a primary disconnect switch used principally to. Typical electrical drawing symbols and conventions. Aug 25, 2018 single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. Example on how to design a low voltage switchboard. Single line diagram of 11kv substation i want the attached picture to be made perfectly on autocad or related software so that, i can print the electrical single line diagram out. Substations also enable one or more of the following functions to be accomplished. The single line diagram of an 11 kv substation is shown in the figure below.
Understanding substation single line diagrams and iec 61850. Compact substation 2 the substation is a compact enclosure consisting of mv switchgear, a transformer and an lv switchboard located in three separate compartments which are segregated from each other by means of partitions in order to ensure personnel safety. The connection of the substation is divided as incoming or power feeder connection. Its emphasis is on communicating the functions of the power equipment and the associated protection and control system. Single line diagram 33kv11kv substation in hindi youtube. High and low voltage distribution single line diagrams are prepared with the cad. Basic distribution substation figure 1 is a oneline diagram for a simple distribution substation. Typically, single line or one line diagrams are used to document the configuration of the electrical high voltage circuit of a substation. Numbers of breakers, disconnect switches, transformers, auxiliaries, protective devices, lines and other equipment. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. Centralized substation protection and control has been attempted in the past based on the available technology. The single line diagram makes the system easy and it provides the facilitates reading of the electrical supply.
Single line mimic diagram for simple and safe operation. Basic distribution substation figure 1 is a one line diagram for a simple distribution substation. The main function of the substation is to collect the energy. Distributed power systems elct 908 school of electrical. The single line diagram sld is the most basic of the set of diagrams that are used to document the electrical functionality of the substation. The ergon energy design philosophy is to provide substations. Includes everything from the distribution substation to the. Basics 11 mov schematic with block included basics 12 12208 vac panel diagram.
The single line diagram sld in figure 1 shows the khimtikathmandu 220400 kv transmission line and illustrates how barhabise, laphsiphedi and changunarayan grid substations are interconnected in order to enable transmission supply at 2 kv and eliminate. In selecting the single line diagram for a substation its requirements from the point of view of the following should be considered. Basic singleline diagrams for substations ieee journals. The substation component of the project will be based on the arcadia single line diagram see 5. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. Single bus substation this is the one line of a double throw switch on the primary side which allows the transfer to be made quickly from one subtransmission circuit to another. Single line diagram s k goyal electrical substation. Substation single line diagram sld a single line diagram sld of an electrical system is the line diagram of the concerned electrical system which includes all the required electrical equipment connection sequence wise from the point of entrance of power up to the end of the scope of the mentioned work. In the right corner of the image, we can see a sld of 11kv to 400 v step down. Substation one line diagram automatic generation and visualization jing hong a, yue lib, yiran xuc, chen yuan, hong fan a, guangyi liu, and renchang daia ageiri north america, san jose, ca, usa.
Section 6 is the load flow analysis of the substation with an improvement to surmount. Depending on the load being served, it is possible that initial construction may be limited to one distribution circuit. Pdf this paper proposes three approaches to classify substation singleline diagrams so it can be used in a power distribution network expansion. A bypass switch is provided so service can continue during circuit breaker maintenance.
Substation oneline diagram automatic generation and. Single line diagram s k goyal free download as powerpoint presentation. Single line diagram of substations welcome to visvesvaraya. Compact substation 1 compact substation guide certificate number fm35831. Jun 20, 2018 single line diagram 33kv11kv substation this is the easy way to understand the working of substation. The goal is to provide an analytical comparison for all options so that one can. Autocad, cadcam, solidworks, engineering, electrical engineering. The single line diagram of the substation is simulated in etap based upon actual data, and it is seen that at the 11kv, 33kv feeder buses and 2 kv buses there is under voltage. Symbols are used to depict the high voltage equipment including. Lets explain the main parts of it and how it actually works. As a layman view, sld is nothing but consisting of various components of the electrical system like, transformer, dg, panels consisting of ht breaker, lt breaker, ct, pt. Single line diagram of 11kv substation autocad cadcam. It is usually of the threepole, singlethrow, groupoperated type.
This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Pdf single line diagram of substations pankaj choudhary. Diagram of user system for connection and mv switchgear. Single line diagram of substations substations electric power is produced at the power generating stations, which are generally located far away from the load centers. Single line diagram 33kv11kv substation this is the easy way to understand the working of. Understanding substation single line diagrams and iec. Substation switching schemes switching scheme of substation this technical article is intended to provide description and comparison of single line options for a desn substation. This technical article describes single line diagrams of two typical power substations 6611 kv and 110. As a layman view, sld is nothing but consisting of various components of the electrical system like, transformer, dg. Single line diagram of 3311 kv jampaijala for tender. Some of the standard symbols used to represent substation components are given in table below.
1352 295 808 661 865 731 109 1160 1209 455 770 1076 926 1083 1478 768 1414 1036 523 290 1273 786 497 1320 67 389 27 132 367 528 671 340 1453 567 903