As a layman view, sld is nothing but consisting of various components of the electrical system like, transformer, dg. Six grid substations are included in the project scope of work. Load flow analysis of 2 kv substation using etap software. Electrical substation equipment for transferring of electrical power from generating unit to distributing units various types of electrical equipment are required. The key diagram of this substation can be explained as under. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions.
Generally terminal voltage of large hydro generators is 11 kv in india. Section 3 is the simulation of single line diagram of 2 kv substation in etap based upon practical data. Single line diagram sld 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 electricity substation is a network of electrical equipment which is connected in a structured way in order to supply electricity to end consumers. Secondary substations receive power at 6633kv which is stepped down usually to 11kv. In the right corner of the image, we can see a sld of 11kv to 400 v step down. Stardelta transformer connection is commonly employed for power supply transformers.
Single line diagrams of 220kv66kv11kv transmissiondg. It is a usual practice by many electrical utilities to prepare oneline diagrams. Section 4 is the load flow analysis of the substation. In selecting the single line diagram for a substation its requirements from the point of view of the following should be considered. Via inplace elevation of substation structures and equipment pdf. Design guide for rural substations usda rural development. The contractor shall finalize the layout arrangements in case of new substations in line with.
Western power distribution substation construction. Regarding elements in single line 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 diagram maine buses desktop design projects desk blue prints busses. Firstly every substation has its single line diagram where all details are denoted like rating of all equipment, connections, places. Single line diagram of 11kv substation autocad cadcam.
This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Medelec switchgear ltd compact substation 2 the substation is a compact enclosure consisting of mv switchgear, a transformer and an lv switchboard located. The single line diagram sld in figure 1 shows the khimtikathmandu 220400 kv. Technical guide the mvlv transformer substations abb group. Notification of change to 11kv ring main units, extensible panels and associated metering units accepted onto western power. Single line diagram 33kv11kv substation this is the easy way to understand the working of substation. Distribution substations michigan technological university. The 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation. 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. Urban substations are usually built in brick, whereas rural. Single line diagram of 3311 kv jampaijala for tender.
This tutorial is made for how to draw and design electrical 11kv substation single line diagram easily. 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 mimic diagram for simple and safe operation. Autocad, cadcam, solidworks, engineering, electrical engineering. 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.
Single line diagram of 66 to 11kv substation youtube. The dumez distribution feeder network has an 11kv system with substations and transformers which step down the. If you want an article on some other topics then comment us below in the comment section. To overcome the under voltage at the 11kv, 33kv feeder buses and 2 kv buses capacitor bank of suitable ratings are added. The subtransmission circuit enters the substation through a primary disconnect switch used principally to. Existing and proposed single line diagram for 3311 kv. Design of 11kv415 v substation for modernization of. Single line diagram 33kv11kv substation this is the easy way to understand the. Single line diagrams of substations 6611 kv and 110. The transformer steps down the voltage to 400 v, 3phase, 4wire. This type of connection is commonly employed at the substation. Electrical design of 233kv substation line diagram. Single line diagram and layout plan suggestive may also be referred for further details of equipment. A substation is a part of an electrical generation, transmission, and distribution system.
This specification shall be read and constructed in conjunction with other sections of bidding document. Figure 1 shows the singleline diagram of a typical 6611 kv substation. I hope you enjoyed the video, dont forget to subscribe to our channel for more awesome videos. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located.
The ergon energy design philosophy is to provide substations. The equipment like bus bars, isolator, power transformer etc. Single line diagram for 36kv feeder with pilot wire protection. Single source, single feeder substation the one line diagram of a single source, single feeder substation with the minimum equipment used. A major customer devro is also supplied from this site, and had been subject to. The main function of the substation is to collect the energy. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. The single line diagram makes the system easy and it provides the facilitates reading of the electrical supply. In the event of any discrepancy with the listed document, the most stringent one.
Understanding substation single line diagrams and iec. A substation is part of a system and not an entity to itself. In this article, i will discuss the 3311 kv substation, what are the components used in the 3311 kv substation, etc. Design,supply,manufacturing,erection, te sting and. Depending on the load being served, it is possible that initial construction may be limited to one distribution circuit. Projects product 11kv433v mobileskid mounted substation sheet 5 of 46 with zero adjusting devices for external operation. Substation standard z732 zone substation operating single. Compact substation 1 compact substation guide certificate number fm35831. Electrical substation components list diagram, working.
Its emphasis is on communicating the functions of the power equipment and the associated protection and control system. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. Single line diagram33kv11kv substation this is the easy way to understand the working of substation. The probability of a fault during circuit breaker maintenance. 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. A bypass switch is provided so service can continue during circuit breaker maintenance. Key diagram 11kv400v indoor substation iiteeeestudents. Basic distribution substation figure 1 is a one line diagram for a simple distribution substation. Power evacuation, main single line diagram, grid interconnection. Figure 1 shows the single line diagram of a typical 6611 kv substation.
Design of 11kv415 v substation for modernization of existing system in the avbrh campus abstract. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. 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. The substation scope includes one 211 kv 45 mva threephase. Basic singleline diagrams for substations ieee journals. Design,supply,manufacturing,erection, te 211 kv substation with sas at i. Single line diagram of 3311 kv jampaijala for tender purpose only. Typical line diagram of distribution circuit showing application of reclosers. There is numerous electrical substation components like outgoing and incoming circuitry each of which having its circuit breakers, isolators, transformers, and busbar system etc for the smooth functioning of the system. Ctr 200 11 a single line diagram of 3311 kv jampaijala for tender purpose only. Technical specification construction of 3311 kv primary substations. Lets explain the main parts of it and how it actually works. Single line diagram 33kv11kv substation in hindi youtube. The 11kv switchboard is fed via two dedicated 11kv circuits 33kv circuits running at 11kv from condorrat 3311kv.
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