Aug 25, 2018 single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. Centralized substation protection and control has been attempted in the past based on the available technology. Single line mimic diagram for simple and safe operation. The single line diagram of the 33kv substation is depicted in the figure below. Normally, a power system is designed so that the effects of an outage caused by the failure of a single component such as a transformer, transmission line, or distribution line will result in minimal interruption of service and affect the fewest customers possible.
Depending on the load being served, it is possible that initial construction may be limited to one distribution circuit. 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. 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. Outgoing feeder for feeding the other subsequent substations or. The substation is a basic part of the electrical system. In the right corner of the image, we can see a sld of 11kv to 400 v step down. Single source, single feeder substation the oneline diagram of a singlesource, singlefeeder substation with the minimum equipment used.
The probability of a fault during circuit breaker maintenance. Section 4 is the load flow analysis of the substation. Understanding substation single line diagrams and iec 61850. The main function of the substation is to collect the energy transmitted at high voltage from the generating station and then reduce the voltage to an appropriate value for local distribution and gives facilities for switching. The working of the electrical equipment used in the substation is explained below in details. Understanding substation single line diagrams and iec. Medelec switchgear ltd compact substation 2 the substation is a compact enclosure consisting of mv switchgear, a transformer and an lv switchboard located. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. Single line diagram of 3311 kv jampaijala for tender purpose only.
Substation oneline diagram automatic generation and. Single line diagram 33kv11kv substation in hindi youtube. Existing and proposed single line diagram for 3311 kv. 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. The single line diagram makes the system easy and it provides the facilitates reading of the electrical supply and connection. Diagram of user system for connection and mv switchgear.
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. To overcome the under voltage at the 11kv, 33kv feeder buses and 2 kv buses capacitor bank of suitable ratings are added. 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. Autocad, cadcam, solidworks, engineering, electrical engineering. Single line diagrams of 220kv66kv11kv transmissiondg. Single line diagram of substations welcome to visvesvaraya. The switch is interlocked with the transformer breaker so it cannot be opened under load. 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. Example on how to design a low voltage switchboard. Typically, single line or one line diagrams are used to document the configuration of the electrical high voltage circuit of a substation. 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. The goal of this course was to learn about lighting.
The single line diagram of an 11 kv substation is shown in the figure below. 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 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. Substations also enable one or more of the following functions to be accomplished. Dec, 2018 single line diagram of an electrical substation. Symbols are used to depict the high voltage equipment including. Single line diagram sld or, one line diagram the singleline diagram is the blueprint for electrical system analysis. 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. Single line diagram of 3311 kv jampaijala for tender purpose. The subtransmission circuit enters the substation through a primary disconnect switch used principally to. Pdf classification of substation singleline diagrams based on. High voltage transmission lines are used to transmit the electric power from the generating stations to the load centers. One purpose of a substation is to contain the equipment for changing electric energy from one voltage to another.
The single line diagram makes the system easy and it provides the facilitates reading of the electrical supply. Jun 20, 2018 single line diagram 33kv11kv substation this is the easy way to understand the working of substation. What is a electrical substation definition, layout, and. 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. Pdf single line diagram of substations denny rama prahara. Numbers of breakers, disconnect switches, transformers, auxiliaries, protective devices, lines and other equipment. Substation standard z732 zone substation operating single. Pdf single line diagram of substations pankaj choudhary. 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. Load flow analysis of 2 kv substation using etap software. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located.
Lets explain the main parts of it and how it actually works. Some of the standard symbols used to represent substation components are given in table below. In selecting the single line diagram for a substation its requirements from the point of view of the following should be considered. 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. Electrical design of 233kv substation line diagram. Eds 457211 and 470433 for 115 kv single line diagrams, and eds 457212 and 470434 for 230 kv single line. Its emphasis is on communicating the functions of the power equipment and the associated protection and control system. Single source, single feeder substation the one line diagram of a single source, single feeder substation with the minimum equipment used. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Single line diagram33kv11kv substation this is the easy way to understand the working of substation. In general, it was connected to the transmission system by looping, single tapping, or double tapping flip.
Single line diagram of 11kv substation autocad cadcam. Regarding elements in singleline diagrams, they were already explained in previous article, so if you didnt read it, its advisable to do it first. Section 3 is the simulation of single line diagram of 2 kv substation in etap based upon practical data. Single line diagram s k goyal electrical substation. A substation is part of a system and not an entity to itself. Pdf this paper proposes three approaches to classify substation singleline diagrams so it can be used in a power distribution network expansion. Distributed power systems elct 908 school of electrical. Single line diagram of 3311 kv jampaijala for tender. The manual is applicable for all substation projects regardless of internalexternal design delivery mode.
Single line diagram s k goyal free download as powerpoint presentation. Medium voltage products technical guide the mvlv transformer. Single line diagram33kv11kv substation this is the easy way to understand the working of. Basics 11 mov schematic with block included basics 12 12208 vac panel diagram. Distribution substations michigan technological university. As a layman view, sld is nothing but consisting of various components of the electrical system like, transformer, dg. 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. Figure 1 shows the singleline diagram of a typical 6611 kv substation.
Pdf classification of substation singleline diagrams. Single line diagram 33kv11kv substation this is the easy way to understand the working of. 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. Includes everything from the distribution substation to the. The ergon energy design philosophy is to provide substations. Typical electrical drawing symbols and conventions. Basic distribution substation figure 1 is a oneline diagram for a simple distribution substation. This technical article describes single line diagrams of two typical power substations 6611 kv and 110. It is usually of the threepole, singlethrow, groupoperated type.
Section 6 is the load flow analysis of the substation with an improvement to surmount. Switching operations substations connect or disconnect elements of the power system, using circuit breakers andor switches. The substation design manual is not intended to replace asset management standards, but rather. 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. The connection of the substation is divided as incoming or power feeder connection. The goal is to provide an analytical comparison for all options so that one can. Compact substation 1 compact substation guide certificate number fm35831. A bypass switch is provided so service can continue during circuit breaker maintenance. Technical guide the mvlv transformer substations abb group. Basic substation configurations and the components. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. The single line diagram of the substation is shown in the figure below. Depending on the function performed, it can be defined as a transforming, conversion, transmission or distribution substation. Section 5 contains the alert summary report generated after load flow analysis.
Ctr 200 11 a single line diagram of 3311 kv jampaijala for tender purpose only. Power evacuation, main single line diagram, grid interconnection. The substation component of the project will be based on the arcadia single line diagram see 5. High and low voltage distribution single line diagrams are prepared with the cad. 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. Pdf classification of substation singleline diagrams based. This layer will contain the electrical components of the single line diagram. Three conditions have been simulated in order to analyse the behaviour of the power system in these situations. A substation engineer should have a good understanding of the electrical equipment and layout of hv power substation. Single line diagrams of substations 6611 kv and 110. A mv lv transformer electrical substation consists, therefore, of the. Basic singleline diagrams for substations ieee journals.
1188 1079 636 495 1345 1287 1397 961 365 740 580 448 1166 666 615 1213 439 709 1042 1156 1218 1358 856 1491 1477 1220 666 956 388 704 828 1249 887 746 53 870 1441 1470 809 530 1189 424 1436 971 69 1439 93