To overcome the under voltage at the 11kv, 33kv feeder buses and 2 kv buses capacitor bank of suitable ratings are added. Single line diagram33kv11kv substation this is the easy way to understand the working of. Single line diagrams of substations 6611 kv and 110. 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. Each feeder must has its own overcurrent protection. The distribution systems network carries electricity from the transmission system and delivers it to consumers. Load flow analysis of 2 kv substation using etap software. Set different themes for individual one line diagrams. Pdf single line diagram of substations denny rama prahara.
Ctr 200 11 a single line diagram of 3311 kv jampaijala for tender purpose only. Pdf classification of substation singleline diagrams. The input feeders are namely, pgcil sahjanwa ntpc tanda gkp ckt1 gkp ckt2 these feeders come into the substationwith 220kv. Single source, single feeder substation the one line diagram of a single source, single feeder substation with the minimum equipment used. Single bus substation this is the one line of a single bus substation fed by a single radial subtransaission line. Single line diagram of 3311 kv jampaijala for tender. The goal of this course was to learn about lighting. Single line diagram of 233 kv grid sub station bettiah 2 kv transfer bus 2 kv main bus 33 kv main bus 20 mva abb make tr. As a layman view, sld is nothing but consisting of various components of the electrical system like, transformer, dg. Single line diagram s k goyal free download as powerpoint presentation. This technical article describes single line diagrams of two typical power substations 6611 kv and 110. There are about 1150 feeders operating at 11 kv in the city baghdad alone with a total length of 6845 km.
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. Singleline diagram with subfeeder download scientific diagram. The typical voltage of the network is between 240 kv and 700 kv. The transformer may have differential relaying that trips all of the feeder breakers in the event of. Pdf power flow analysis of 230110 kv substation using etap. Single line diagrams sld a single line diagram shows the disposition of equipment in a substation, or network, in a simplified manner, using internationally accepted symbols to represent various items of equipment such as transformers, circuit breakers and disconnectors, generally with a single line being used to represent threephase connections. High and low voltage distribution single line diagrams are prepared with the cad. The primary switch must be able to break the transformer excitation current. Section 4 is the load flow analysis of the substation. Report on industrial summer training on 220 kv substation. Single line diagram of a typical radial distribution system is as shown in the figure below.
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 primary distribution circuit delivers power to various substations, called distribution. Jun 20, 2018 single line diagram 33kv11kv substation this is the easy way to understand the working of substation. The substation design manual is not intended to replace asset management standards, but rather. Substation layout substation layout single line diagram check.
Single line diagram s k goyal electrical substation. 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. Electrical distribution is the final stage in the delivery of electricity. Single line diagram development the single line diagram is the blueprint for electrical system analysis. Single line mimic diagram for simple and safe operation. This functionality allows the user to place a userconfigurable color map behind the one line diagram. Basic distribution substation figure 1 is a oneline diagram for a simple distribution substation. Single line diagram of power supply system the electrical energy is produced at generating stations, and through the transmission network, it is transmitted to the consumers. The single line diagram of an 11 kv substation is shown in the figure below. The probability of a fault during circuit breaker maintenance. Pdf classification of substation singleline diagrams based. This paper presents a general description for different mvlv substation and a methodology to design the various elements making up the public distribution substa. The working of the electrical equipment used in the substation is explained below in details. This network permits load sharing among power plants.
The two primary distribution feeders of the substation illustrated in figure 1 are protected by either power circuit breakers or automatic circuit reclosers. A distribution substation transfers power from the transmission system to the distribution. Substation oneline diagram automatic generation and. It will conclude with a cost comparison of each configuration. Between the generating stations and the distribution stations, three different levels of voltage transmission, subtransmission and distribution level of voltage are used. Typical bus configurations single bus figure 2 shows the oneline diagram of a single bus substation. The single line diagram of the substation is simulated in etap based upon actual data and it is seen that 2301 10 kv feeder bus there i s under voltage 2. Single source, single feeder substation the oneline diagram of a singlesource, singlefeeder substation with the minimum equipment used. Electrical oneline diagram easypower electrical software. Numbers of breakers, disconnect switches, transformers, auxiliaries, protective devices, lines and other equipment.
High voltage transmission lines are used to transmit the electric power from the generating stations to the load centers. Chapter 6 substation and transmission line facilities. Plan and elevation views of each type of configuration can be found in the appendix. Single line diagram of 3311 kv jampaijala for tender purpose only. The single line diagram makes the system easy and it provides the facilitates reading of the electrical supply and connection. Substation single line diagrams this technical article describes single. A substation is a part of an electrical generation, transmission, and distribution system. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. Feeder breakers and fused switches rating and type. 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. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. The harrangement is mainly used for supplying power to industrial consumers as well as for distribution and transformer substations. The secondary distribution system contains overhead lines or underground cables supplying the consumers directly by single or threephase power. Typical bus configurations single bus figure 2 shows the one line diagram of a single bus substation.
Single line diagram 33kv11kv substation in hindi youtube. The singleline diagram is the blueprint for electrical system analysis. Of course, there will be cases that require some customization, but automated substation design typically follows the pareto principle, more commonly known as the 8020 rule. Set different themes for individual oneline diagrams. Section 3 is the simulation of single line diagram of 2 kv substation in etap based upon practical data. Existing and proposed single line diagram for 3311 kv. All substations, including integral relays and main panels with total load of each feeder and. Eess10480 6611kv z632d single line diagrams pdf file, 3.
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 your facility. Section 6 is the load flow analysis of the substation with an improvement to surmount. The results of the transient current, measured at the substation, are shown in figure 5. It consists of two dead end poles to terminate the lines, two manual nonload break switches. The substation is a compact enclosure consisting of mv switchgear, a transformer and an lv switchboard located. The substation is a basic part of the electrical system. It does not take a rocket scientist to figure out they are all pretty much the same. Single bus with a transfer bus scheme is useful for feeder breaker. Diagram of user system for connection and mv switchgear. Power evacuation, main single line diagram, grid interconnection. Single line diagram 33kv11kv substation this is the easy way to understand the working of. Pdf this paper proposes three approaches to classify substation singleline diagrams so it can be used in a power distribution network expansion. Single phase wiring diagram for house in this video, i try to explain the concept of single phase electrical meter or single phase energy meter. Designing, maintaining and analyzing electrical power systems doesnt always have to be as difficult as it sounds.
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. A bypass switch is provided so service can continue during circuit breaker maintenance. Nov 28, 2016 the single line diagram is the blueprint for electrical system analysis. Single line diagram electrical house wiring with 10 7 jpg best of for coachedby. With only one busbar and a minimum of equipment, it is an economical solution to serve your needs. Themes can be color coded based on standard, voltage level, area, ground, earthing, and grounding by ground switch. The feeders supply the distribution transformers that step the voltage down to the secondary level. The oneline diagram of a singlesource, single feeder. The substation component of the project will be based on the arcadia single line diagram see 5. A single line diagram of a typical such substation is shown in fig. Singleline diagram development the singleline diagram is the blueprint for electrical system analysis.
Single line diagram33kv11kv substation this is the easy way to understand the working of substation. An industry first, easypowers truly integrated electrical oneline diagram program remains the fastestperforming and easiesttouse on the market. It is usually of the threepole, singlethrow, groupoperated type. There are about 1150 feeders operating at 11 kv in the city.
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. Section 5 contains the alert summary report generated after load flow analysis. Distributed power systems elct 908 school of electrical. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. Radial, parallel, ring main and interconnected distribution systems by kiran daware power distribution, power. Single line diagram of power supply system explanation. Short circuit and current capacity of equipment, bus and other equipment compliance with projects scope and requirements number of feeders and load circuits. 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. The goal is to provide an analytical comparison for all options so that one can. Since the transmission system is typically rated from kv up to 700kv. Single line diagram of 3311 kv jampaijala for tender purpose. Integrated oneline diagrams true oneline diagram integration. The oneline diagram of a singlesource, singlefeeder.