Study of 3311 kv substation and power distribution under. Agrawal 1,2,3be student123, department of electrical engineering 4proffessor4, department of electrical engineering kdk college of engineering, nagpur, maharashtra, india abstract transmission. It is very versatile and comprehensive because it can depict very simple dc circuits, or a very complicated threephase system. Pdf classification of substation singleline diagrams.
Oct 09, 2014 single line diagram 33kv 11kv substation in hindi duration. Load flow analysis of 2 kv substation using etap software. Typical electrical drawing symbols and conventions. Also, the 230 kv line protection have been mentioned. Depending on the load being served, it is possible that initial construction may be limited to one distribution circuit. The 66kv yard is an outdoor type and the cbs are mostly minimum oil type. This protection system can satisfy the selectivity, sensitivity, stability, fastness and reliability of the substation. The skid mounted substation shall be of modular construction housed in a single enclosure consisting of ht control panel with two number load break switch, one number vcb and all other metering and protection, one no 11kv415v dry type transformer and lt distribution board etc. The input feeders are namely, pgcil sahjanwa ntpc tanda gkp ckt1 gkp ckt2 these feeders come into the substationwith 220kv.
Single line diagram 33kv11kv substation in hindi duration. 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 connection of the substation is divided as incoming or power feeder connection. Circuit breakers were needed so as to disconnect and isolate the faulted section. Depending on the function performed, it can be defined as a transforming, conversion, transmission or distribution substation.
Existing and proposed single line diagram for 3311 kv. The substation scope is identical to barhabise 2202 11 kv substation as above. Sld single line diagram sme subject matter expert sprmp simple project risk management plan ss substation standards tcs. Section 6 is the load flow analysis of the substation with an improvement to surmount. Installation of 11kv440v distribution substation ajinkya lonare1, pravin 2bodadkar, 4shuchiket darunde3.
Installation of 11kv440v distribution substation ajinkya lonare1, pravin 2bodadkar, 4shuchiket darunde3, dr. B substation standards typical power circuit breaker wiring diagram sh 1 of 3 69. Distance protection has been paid attention in line protection. Single line diagram of substations cad design software. The substation is supplied by three overhead 66kv lines and the 66kv bus is configured as two straight buses with a bus coupler. This will be applicable to the effectively earthed 11 kv systems coefficient of earth not exceeding 80 percent as per is. Install a new grid transformer at caergeiliog 233kv 60 mva. Key diagram 11kv400v i the 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation. Typical line diagram of distribution circuit showing application of reclosers 360. Singleline diagrams have been optimized for performance and improved layout. A substation standards switching diagram operating numbers bus configuration 6. Switchyard layout and section details switchyard layout and section details.
Drawing, documentation and hv equipment requirements added. Gaurav singh dbcr type isolators are used in 3311 kv substation current transformer potential transformer references. Extend nget substation at wylfa with a new 2kv feeder bay. Jun 08, 2011 11kv415v over head lines specification and installation rec. 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. Design study for 3311 kv substation, distribution and protection in the city of kenya 10 comments. These single line diagram 33kv substation are an important part that needs to be taken care of in every small and large project. Layout of earthing in new 3311kv ss for murram soil. 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.
Key diagram 11kv400v indoor substation iiteeeestudents. The rated voltage of lightning arresters shall be 9 kv rms. A substation is part of a system and not an entity to itself. Single line diagram of 3311 kv jampaijala for tender purpose. Medium voltage products technical guide the mvlv transformer. This paper deals with the designing of a new single line diagram of 11kv415v substation which will replace the existing substation to. To overcome the under voltage at the 11kv, 33kv feeder buses and 2 kv buses capacitor bank of suitable ratings are added. Dec 03, 20 11kv substation construction three main sections of electrical substation 1. Various sectional details are shown in the drawings. Design,supply,manufacturing,erection, te sting and.
B substation standards typical power circuit breaker wiring diagram sh 2 of 3 70. Pdf power flow analysis of 230110 kv substation using etap. The single line diagram sld in figure 1 shows the khimtikathmandu. Basics 11 mov schematic with block included basics 12 12208 vac panel diagram. Electrical design of 233kv substation line diagram. B substation standards switching diagram operating numbers bus configuration 7. Switchgear ring main unit rmu with fuse circuit breaker single line diagram pe 2. In some cases a key or basic substation sld will be used to show just the electrical. Pdf classification of substation singleline diagrams based. T 11 kv vcb bus isolator proposed 11 kv vcb ab switch 33 kv ct. It is proposed to install the addition line and transformer bay and forming of incoming feeder bus. Design study for 3311 kv substation, distribution and protection in. Design guide for rural substations usda rural development. The single line diagram of the substation is shown in the figure below.
The oneline diagram is similar to a block diagram except that electrical elements such as switches, circuit breakers, transformers, and capacitors are shown by standardized schematic symbols. Nov 30, 2011 these single line diagram 33kv substation are an important part that needs to be taken care of in every small and large project. Jul 20, 2018 owners existing and proposed single line diagram for 3311 kv. The single line diagram not only presents the type and number of equipment but also the electrical specifications. Design of 6611kv, 20mva substation before the ratings of various items of equipments in a substation are chosen and their locations in the substation decided it is necessary to draw a single line diagram, also called key diagram. Basic distribution substation figure 1 is a oneline diagram for a simple distribution substation. Owners existing and proposed single line diagram for 3311 kv. All rus borrowers rus electric staff effective date. The single line diagram sld is the most basic of the set of diagrams that are used to. Outgoing feeder for feeding the other subsequent substations or switchgear. Nov 14, 2011 key diagram 11kv400v i the 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation. Lets explain the main parts of it and how it actually works.
The reliability represents equipment reliance, that is, if the equipment fails frequently then its reliability is low. Substation provides the energy supply for the local area in which the line is located. Single line diagram of 3311 kv jampaijala for tender. A substation standards control cable color code identification 68. Single line diagrams of substations 6611 kv and 110. Inplant training 15ee67p brp, 6thsem,deee 2 201718 1. Substation standard z732 zone substation operating single. Berrimah zone substation condition assessment report. Projects product 11kv433v mobileskid mounted substation sheet 5 of 46 with zero adjusting devices for external operation. Load forecast of dalkeith substation an 11kv 800a feeder breaker is required for the interconnection between dalkeith substation and greengate development. The subtransmission circuit enters the substation through a primary disconnect switch used principally to. The substation scope includes one 2 11 kv 45 mva threephase transformer with provision for. Design of 11kv415 v substation for modernization of existing. Now the transmission line first parallel connected with lightning arrester to diverge surge, followed by cvt connected parallel.
Section 4 is the load flow analysis of the substation. Fig shows the single line diagram of 11kv440v substation dp structure. Diagram electrical substation dwg full project for autocad plano electric substation in various views. Design,supply,manufacturing,erection, te 211 kv substation with sas at i. Section 5 contains the alert summary report generated after load flow analysis. Rebuild the existing wylfa to caergeiliog single circuit 2kv overhead line with double circuit tower line 16km. In the right corner of the image, we can see a sld of 11kv to 400 v step down.
Single line diagram 33kv substation helps you to understand the layout of your space and gives you a clear image of the placement of various items. The skid mounted substation shall be of modular construction housed in a single enclosure consisting of ht control panel with one number load break switch, one number vcb and all other metering and protection, one no 11kv 415v dry type transformer and lt distribution board etc. Each substation with two 3311 kv transformers of 1224mva capacity. Above pdf contains two slds of substations 220kv into 400v. Sep 20, 2015 the project work assigned to us was to 233 kv ehv substation electrical design. A typical single line diagram sld depicts the entire electrical power flow system of an stp. Supply in the package materials have been classified as under i. Commissioning spare parts supply of commissioning spares along with the main equipment, for replacement. Mar 17, 2018 top best 3 books for je ae electrical 1. Understanding substation single line diagrams and iec 61850. The single line diagram of an 11 kv substation is shown in the figure below. Single line diagram sld we usually depict the electrical distribution system by a graphic representation called a single line diagram sld.
Singleline diagram properties have been reorganized, and can be saved and loaded. The substation scope is identical to barhabise 220211 kv substation as above. The sld is also a critical link between the schematic diagrams and the relay settings documents in. The power from main bus was fed into a 20mva transformer which. Drawing labels, details, and other text information extracted from the cad file translated from spanish. Single line diagram of 220233 kv gss khagaul authorized signatory legend 2kv main bus 33kv main bus 2kv transfer bus 33kv transfer bus 3 3 k v n e o r a 3 3 k v k h a g a u lu 1 3 3 k v k h a u lu 2 a b a n d o n e d b a y a i i m s k1 a i m s2 3 3 k k h a g a u l 3 v h a4 3 3 k v b u s c o p l e r 3 3 k v d a n a p ri 1 3 3 k. Figure 1 shows the singleline diagram of a typical 6611 kv substation. Single line diagram of 2x5 mva 3311 kv goh ss proposed goh gss 2x20 mva 19 km dog terminal gantry 33 kv line 33 kv pt 33 kv bus bar 33 kv bus isolator 33 kv v. 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 existing eskom substation single line diagram indicates. A mv lv transformer electrical substation consists, therefore, of the. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. Report on industrial summer training on 220 kv 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. Diagram electrical substation dwg full project for autocad.
Outgoing feeder for feeding the other subsequent substations or. D substation standards identification and security signs 8. Single line diagram 33kv substation in new town, kolkata. The goal is to provide an analytical comparison for all options so that one can select the optimum solution considering cost, reliability, maintainability, ease of.
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