Pdf reliability is an analytical tool used to measure the ability of a power. The upgraded substation will ensure continuity of power supply. Project on substation 220kv 2kv free download as word doc. In case of breakdown of electrical system, manual operation is. In the process, the surge impedance loading of 2 kv and 33 kv lines were calculated and they. Input voltage may be, for example, 115 kv, or whatever is common in the area. Section 3 is the simulation of single line diagram of 220 kv substation in etap based upon practical data. The 233kv substation is composed of double open type 2kv bus bars four.
The function of the 2 kv ring bus system is to receive generated power from the main transformers and supply it to the local utility through two 2 kv switchyard tie lines. The first step towards the design of a 4002202 kv substation is to determine the load that the substation has to cater and develop it accordingly. The input for a distribution substation is typically at least two transmission or subtransmission lines. Section 4 is the load flow analysis of the substation. Distribution voltages are typically medium voltage, between 2. A striking comparison between land area requirements for a conventional open terminal 2 kv double switchyard arrangement.
The ergon energy design philosophy is to provide substations. The power from main bus was fed into a 20mva transformer which. Abb has recently put the final finishing touches to a turnkey project to replace a 2 kilovolt kv substation at creyke beck, to serve northern powergrid customers in and around the city of kingstonuponhull. It is a project file on the sarusajai grid 220 kv substation. Page 4 of 5 annexure i 2 kv system the details of the switch yard configuration at each sub station is as stated here under.
Also the hard copies as per specification shall be submitted. Power evacuation, main single line diagram, grid interconnection. In most blueprints, the default design of a substation always being designed to have an absolute protections where all the possible. 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. Upptcl extension of switchyard of 2 kv s s kalpi for installation of 20 mva t f under etd orai, due date. The current transformers and accessories covered by this specification shall comply with the. B concrete standards general outline and reinforcement notes. Technical specification construction of 3311 kv primary substations. Overhauling and servicing of 2 kv switchyard equ tender. Kenya power transmission system improvement project lot 3233 kv substations and switching stations volume 2 section vi employers requirements.
There are three step down transformers working in the grid station in which they stepped the 2 kv voltage to 11 kv and then transferred it to different places through feeders. To seabank a2 b2 c2 yn c2 avon primary school g a n t ry d r a in drain works 2 7 junior mixed and infants ta nk et l 7. The electricity substation is a network of electrical equipment which is connected in a structured way in order to supply electricity to end consumers. Ab kadir et al modelling 2 kv substation for surge arrester studies published by the berkeley electronic press, 2008 16 ieee task force 15.
Pdf reliability evaluation of ayede 3302kv substation. Switchyard boq for 220266kv wankaner gis unit of measurement description sr no bus disconnector with earthing switch bus side common earthing switch for two bus bus disconnector without earthing switch lcc panel all other items as per technical specification 1. 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. Design of 233kv substation sudipta sen, arindam chatterjee. What is the difference between a substation and a switchyard. The project work assigned to us was to design a 2 33 kv ehv substation. Pdf reliability evaluation of a 233 kv hv substation. Design,supply,manufacturing,erection, te sting and. Pdf modelling 2 kv substation for surge arrester studies. In this work, the data of outages are collected for high voltage substation equipments of 233 kv nirjuli substation a remote location of. Extension of switchyard of 2 kv s s kalpi for in tender. The 2kv is the rating of the stepdown transformer, which has a 2kv primary voltage. We considered incoming power at 2 kv and the power was transferred to main bus through isolatorcircuit breakerisolator combination.
Summer training report on familiarization of 400 kv, 220 kv, 2 kv substation equipment venue 400220233 kv kukurmara grid substation. In the process, the surge impedance loading of 2 kv and 33 kv lines were calculated and they were used to estimate the maximum. This switchyard is heart of the orissa grid for which state load dispatch center sldc was. Design, procurement and construction of century power. The incoming voltage level for this substation is 220kv. Modeling of 2 kv substation for insulation coordination. I transmission line structure standards steel pole structures maintenance provisions details. Hv substation project brief history et bihl d i 1987 f th il ti f l hv mv d established in 1987 for the realization of complex hv, mv and lv projects. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. The project work assigned to us was to design a 233 kv ehv substation.
The balance 8 bays in 220kv system commissioned during 197983. Substation and switchyard both are different and these two switchyard is the inter connector between generation and transmission, and same voltage is mentained in switchyard, substation is the inter connector between transmission and distribution. Western will require 40 calendar days to answer correspondence pertaining to each submittal of data or drawings. Electrical substation components list diagram, working. Ayede 3302kv substation feeds six different 233kv substations, such as. Location of lightning masts shall be finalised after approval of dslp calculations.
The design of the entire substation was made keeping in mind the most basic. Failure is most possible if the circuit was subsequently loaded and ct windings could be saturated and generate high heat. Design,supply,manufacturing,erection, te 211 kv substation with sas at i. Presentations ppt, key, pdf logging in or signing up. This chapter describes the principal substation layouts, the effects of advancements in substation equipment, modular design, compact substations, and the moves towards design and construction turnkey contract work. Generally, these transformers are employed in transmission type substations where the voltage has to. Distribution substations michigan technological university. Substation is an essential part of the grid systems which often regarded as the most expensive component in the power systems. Design of substation at ehvuhv level 420 kv and above requires special considerations and is. 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. For higher unit sizes of 660 800mw, 765kv level switchyards substations are also. Project on substation 220kv 2kv transformer lightning free. Extension of the existing 233 kv substation gopalganj. Pdf familiarization of 400 kv, 220 kv, 2 kv substation.
Pdf maintenance and operation of an electrical substation of 220. The first step towards the design of a 400220 2 kv substation is to determine the load that the substation has to cater and develop it accordingly. Basic substation configurations and the components. In this work, the data of outages are collected for high voltage substation equipments of 233 kv nirjuli substation a remote location of arunachal pradesh and the reliability of the overall. Freehand sketches or skewed scans will not be accepted. The project work assigned to us was to 233 kv ehv substation electrical design. In general, insulation coordination studies are an important and are used to determine the reliability of the substation. The substation is responsible for catering bulk power to various load centres distributed all around through 220 kv and 2 kv substations. 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. Early electrical substations required manual switching or adjustment of. The ring bus consists of five power circuit breakers arranged into two paths, which can interconnect to form a ring. Summer training presentation on 2 33 kv substation minto park, allahabad 1. Owners supply materials osm 3311 kv power transformers, station 330. Sealed applications shall be delivered to the address below on or before prequalification closing date as shown below.