Single line diagrams of 220kv66kv11kv transmissiondg. 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 of 415v db 2202kv substation in. Install a new grid transformer at caergeiliog 233kv 60 mva. The primary function of a 400220 kv substation would be to provide a conversion of different voltage levels so that power systems can be connected together to form a power system grid. Presentation on substation 220 kv electrical substation. Distribution substations michigan technological university.
Extend nget substation at wylfa with a new 2kv feeder bay. Acknowledgement this report is an outcome of the contributions made by some of the peoples. Sep 27, 2015 as in the case of 2202kv substation, the single line diagram sld shall show. In such cases, substation contains highvoltage switches that allow lines to be connected or isolated for fault clearance or maintenance. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. The subtransmission circuit enters the substation through a primary disconnect switch used principally to. Rebuild the existing wylfa to caergeiliog single circuit 2kv overhead line with double circuit tower line 16km. Central station where power is generated by 3phase alternators. The transformer steps down the voltage to 400 v, 3phase, 4wire. Uttar pradesh power corporation ltd, dohna state transmission. Sep 27, 2015 as in the case of 220 2kv substation, the single line diagram sld shall show. A single circuit line from station e working at 68% loading supplies 85 mw while a double circuit line from station d working at 70% loading supplies 175 mw power to the busbar. Power plant 220 kv portion 2 x 165 mw and used in many station where. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located.
Figure 1 singleline diagram of transmission and distribution network. Depending on the load being served, it is possible that initial construction may be limited to one distribution circuit. The transformer may have differential relaying that trips all of the feeder breakers in the event of. Schematic diagram of 110 kv substation consumables supply of all consumables required for startup, commissioning, initial filling and. 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. Power evacuation, main single line diagram, grid interconnection.
Pdf assessment of electric field distribution inside 500220 kv. These single line diagram of 415v db 2202kv substation helps you to understand the layout of your space and gives you a clear image of the placement of various items. Experience with project execution scheduling for electromechanical engineering activities. Section 4 is the load flow analysis of the substation. Aug 26, 2011 in the 220kv gss the income 220kv supply is stepped down to 2kv with the help of transformers which is furthers supplied to different substation according to the load. Electrical design of 233kv substation line diagram. There are two power transformers and the capacity of the auto. Single line diagram of 220 233 kv gss madhepura authorized signatory bus coupler bay 1 purnea 1 bay 2 purnea 2 bay 3 atr 1 bay 4 future bay 5 bus transfer bay 6 atr 2 bay 7 2202kv, 100 mva auto transformer atr2 2202kv, 100 mva auto transformer atr1 future bay 1 atr 1 20 kv bay 2 tr 233kv ay 3 bus transfer bay 4 tr. Each feeder must has its own overcurrent protection. Single line diagram of 220 233 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. Single line diagrams of 220kv66kv11kv transmissiondg 01. Ctr 200 11 a single line diagram of 3311 kv jampaijala for tender purpose only. To increase the reliability of the system the 220 kv busbar is also fed from 2 other substations.
File type pdf 66 kv substation drawing graphical structure 66 kv substation drawing graphical structure if you ally craving such a referred 66 kv. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. The voltage is then stepped up by suitable 3phase transformers for transmission purposes. In the 220kv gss the income 220kv supply is stepped down to 2kv with the help of transformers which is furthers supplied to different substation according to the load. The scope of work includes, a new 2202 kv substation lalian with 3 x 250 mva 2202 kv transformer, ii two 220 kv dc transmission lines on. Basic distribution substation figure 1 is a one line diagram for a simple distribution substation. There are four incoming lines of 220 kv gkp ckt1motiram adda. Single line diagram of substations cad design software. Rohit kapahi, load flow analysis of 2 kv substation using etap software international journal of scientific engineering research, vol. 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. This oneline sketch of a 3phase system shows a simple con.
Starting from the generating stations to the end users, voltage is needed to be stepped up and down several times in various substations. Pdf power flow analysis of 230110 kv substation using etap. Figure 1 shows the single line diagram of a typical 6611 kv substation. Singleline diagrams estimates including soft and hard costs system restrictions. Single line diagram of 220kv2kv is made and discussed thank you for watching job notification playlist s. 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. Single line diagram 220kv switchyard nature scribd. Singleline diagram of ac transmission and distribution system. 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. Lets explain the main parts of it and how it actually works. For 220 kv class enclosure shall be single or phase wise separate metallic type. Single line diagram of simulated 500220kv ais substation, cairo 500 substation. A 220 kv new generation smart substation status monitoring information flow chart.
There are many other equipments are also installed in220 kv yards. The addition of new 220 kv substation lalian in ntdc system is a part of ntdcs overall power development program and is proposed to strengthen the transmission system. Single line diagram of 220233 kv substation, giri and 60 mw power house, giri. A substation is part of a system and not an entity to itself. The double arrow in the graph designates the flow of information in the upper and lower directions, where the number on the left of designates that the downstream information flows of the label, and the number on the right of designates that the upstream information flows of the.
A substation is a part of an electrical generation, transmission, and distribution system. In the right corner of the image, we can see a sld of 11kv to 400 v step down. The input for a distribution substation is typically at least two transmission or subtransmission lines. The simplest case is where all transmission lines have the same voltage.
As in the case of 2202kv substation, the single line diagram sld shall show. Single bus substation this is the one line of a single bus substation fed by a single radial subtransaission line. Overview on design an electrical substation and single line diagram of 6611 kv substation. A mini project operation and maintenance of a 2202 kv. The design of the entire substation was made keeping in mind the most basic requirements of a proper substation including the civil and domestic requirements. File type pdf 66 kv substation drawing graphical structure 66 kv substation drawing graphical structure if you ally craving such a referred 66 kv substation drawing graphical structure ebook that will pay for you worth, get the no question best seller from us currently from several preferred. Presentation on substation 220 kv free download as powerpoint presentation. Sep 20, 2015 the project work assigned to us was to 233 kv ehv substation electrical design. Turnkey 400 kv 220 kv greenfield substation with 5 bays at 400 kv and 7 bays at 220 kv with 2 nos. In single line representation of substation the electrical components such as power transformers, incoming and outgoing lines, busbars, switching and protecting equipments, are represented by standard symbols and their interconnections between them are shown by lines. Basic distribution substation figure 1 is a oneline diagram for a simple distribution substation. Report on industrial summer training on 220 kv substation.
It is usually of the threepole, singlethrow, groupoperated type. The double arrow in the graph designates the flow of information in the upper and lower directions, where the number on the left of designates that the downstream information flows of the label, and the number on the right of designates that the upstream information flows. A transmission substation connects two or more transmission lines. Substation standard z732 zone substation operating single. Substation an electrical substation is a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed high to low or reverse using transformer. Power transformers are used generation and transmission network for steppingup the voltage at generating station and steppingdown the voltage for distribution.
Industrial summer training on 220 kv substation ppt. Single line diagram 220kv switchyard free download as pdf file. Existing and proposed single line diagram for 3311 kv. Some of the standard symbols used to represent substation components are given in table below. Single line diagram of 3311 kv jampaijala for tender. The first step towards the design of a 4002202 kv substation is to determine the load. Single line diagrams of substations 6611 kv and 110. Pgcil, new delhi 400220 kv gis substation with central. Distribution voltages are typically medium voltage, between 2.
Uttar pradesh power corporation ltd, dohna 220233 kv substation substation for transmitting power up to 280mw for urban and rural areas of bareilly district customer benefits power transmission from 400kv bareilly substation to 220kv dohna substation improved efficiency due to reduced line losses of approx. Substation equipment an overview sciencedirect topics. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. The voltage is then stepped up by suitable 3phase transformers for. Components of single line diagram switchyard power flow diagram emergency in power plant. The substation of 220kv66kv 11kv has fifteen outgoing feeders, namely. Therefore it is my sole responsibility to acknowledge them. Single line diagram s k goyal electrical substation.
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