220 kv substation single line diagrams pdf merge

The input feeders are namely, pgcil sahjanwa ntpc tanda gkp ckt1 gkp ckt2 these feeders come into the substationwith 220kv. From lapsiphedi, approximately 10 km double circuit 2 kv transmission line will then connect to changunarayan 2 kv substation. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. Single line diagram, plan layout, section elevation layout, earthing grid, earthing grid design, dslp direct stroke lightning protection, dslp. Single line diagram of 415v db 2202kv substation in. The typical voltage of the network is between 240 kv and 700 kv. Substation standard z732 zone substation operating single. The substation design manual is not intended to replace asset management standards, but rather. This paper proposes three approaches to classify substation singleline diagrams so it can be used in a power distribution network expansion. 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. Building a 230 kv substation to provide dependable power, the energize eastside project will build a new transformer inside of a substation.

Three phase encapsulated type sf6 gas insulated switchgear. The first substations were connected to only one power station, where the. Includes everything from the distribution substation to the. With these approaches the expertise shall confront. Pdf substation oneline diagram automatic generation and. Figure 2a and b shows the plan and elevation drawings for a typical layout of two 115kv bays, one for a transmission line and the other for the hv side of a local transformer, connected to a single 115kv busbar.

Extend nget substation at wylfa with a new 2kv feeder bay. Overhead lines and substation equipment can be protected against direct. The equivalent singleline diagram is depicted in figure 2c. This is showing three of the five 220 kv66 kv transformers, as well as. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. The single line diagram of an 11 kv substation is shown in the figure below. A 220 kv new generation smart substation status monitoring information flow chart. The single line diagram sld in figure 1 shows the khimtikathmandu 220 400 kv transmission line and illustrates how barhabise, laphsiphedi and changunarayan grid. Single line diagram of 220kv2kv is made and discussed for educational and job related videos subscribe.

According to nfpa70e, it is a requirement to have an accurate. Pdf classification of substation singleline diagrams. Singleline diagrams estimates including soft and hard costs system restrictions. Report on industrial summer training on 220 kv substation. The substation will transform the voltage from 230 kv to 115 kv, a lower level that powers the local electric system. A mini project operation and maintenance of a 2202 kv. The highvoltage substations are located near the load centers. Key diagram 11kv400v indoor substation iiteeeestudents. The single line diagram makes the system easy and it provides the facilitates reading of the electrical supply and connection. Transformer power transformers are used in transmission network of higher voltages for stepup and step down application 400 kv, 200 kv, 110 kv, 66 kv, 33kv and are generally rated above 200mva. It is a usual practice by many electrical utilities to prepare one line diagrams.

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. These single line diagram of 415v db 2202kv substation are an important part that needs to be taken care of in every small and large project. This technical article describes single line diagrams of two typical power substations 6611 kv and 110. Practical training report on 2206611 kv substation eep. Fuses are single phase protective devices that combine sensing and. In this sub station, there are six 500 kv diameters. Mediumvoltage shielded power cable 2 kv up to 35 kv. This oneline sketch of a 3phase system shows a simple con. There are four 220 kv incoming feeders for this substation coming from. 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. 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. Street lighting, as well as the switching control for street lighting, can be installed in a substation. Power flow analysis of 230110 kv substation using etap.

Dec 21, 2016 centralized substation protection and control has been attempted in the past based on the available technology. 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. Single line diagrams 1 and 1a of substation with a single transformer. It is usually of the threepole, singlethrow, groupoperated type. The addition of new 220 kv substation lalian in ntdc system is a part of. In the right corner of the image, we can see a sld of 11kv to 400 v step down. The single line diagram of 220233 kv shapur nagar sub station is shown at the end of this report. Single line diagrams of substations 6611 kv and 110. Single line diagram of 3311 kv jampaijala for tender. Update customer provided singleline diagrams and provide an autocad formatted version of the new singleline diagram post updated diagram at facility compliance and safety many electrical systems transform over time causing concern for safety issues. Scope o f work for 220 kv substation mehna khera is as under.

For samain substation the budget has been estimated at rs. From the 220 kv bus two 220 kv single circuit lines are drawn at 90% loading to supply power to 220kv substations b and c working at a diversity factor of 1. Design guide for rural substations usda rural development. Single line diagrams of 220kv66kv11kv transmissiondg. The single line diagram sld is the most basic of the set of diagrams. 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 transformer steps down the voltage to 400 v, 3phase, 4wire. Basic distribution substation figure 1 is a oneline diagram for a simple distribution substation. Bharat heavy electricals limited high pressure boiler plant tiruchirappalli 620014, tamil nadu. This section details out the scope of supply and services for 110 kv substation bay extension with associated auxiliaries as. 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. The power is received on 400 kv busbar double main and transfer bus scheme.

Power plant 220 kv portion 2 x 165 mw and used in many station where. Protection and metering single line diagram mukerian stage 2. The 220 kv grid substation at sarita vihar is a air insulated outdoor substation. Distances between equipment 220 kv outdoor substation layout. Ctr 200 11 a single line diagram of 3311 kv jampaijala for tender purpose only. Install a new grid transformer at caergeiliog 233kv 60 mva. Section 4 is the load flow analysis of the substation. Understanding substation single line diagrams and iec 61850.

Short circuit contributions should be obtained from the stategrid substation owners. Pgcil, new delhi 400220 kv gis substation with central. Pdf power flow analysis of 230110 kv substation using etap. Typical line diagram of distribution circuit showing application of reclosers.

Power evacuation, main single line diagram, grid interconnection. The substation is fed 16 mw power from 3 generating stations a, b,c through 400 kv single circuit lines working at around 87% loading. It has a facade in clay brick with grey stone ornaments, to blend into its downtown environment. 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. 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 single rail conductor for looping in out. 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. Understanding substation single line diagrams and iec. Providing 2x100mva, 2202 kv transformer and 1x100mva, 22033 kv transformer, its bays along with allied switchgear and protective equipments, 4nos. Rebuild the existing wylfa to caergeiliog single circuit 2kv overhead line with double circuit tower line 16km. Substation equipment an overview sciencedirect topics. Operation and maintenance of a 2202 kv substation eep. Single line diagram 33kv11kv substation in hindi duration.

The merging unit mu in a process bus implementation takes analog. Section 3 is the simulation of single line diagram of 220 kv substation in etap based upon practical data. Transmission line, lalian, punjab draft land acquisition and resettlement plan. Its emphasis is on communicating the functions of the power equipment and the associated protection and control system. Therefore it is my sole responsibility to acknowledge them.