33 11kv substation details pdf merge

Wesco herein after referred as cso invites sealed tenders from reputed electrical contractors with required license, either in individual. Depending upon the availability of resources these stations are constructed. Why use stone gravel ballast substation gridstation and generating station in hindi duration. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations. This bulletin provides a basic design guide and a reference tool for designing rural. Electrical power system is back bone of the development of a nation. Powerdistributionandsubstationprojects reference list sl no. A cable fed substation will have a split factor somewhere between 5% and 40% depending on the cable sheaths and earthing configuration where a substation is fed via overhead line and has no metallic return path, all the earth fault current with flow through the. Design guide for rural substations usda rural development. Boq for construction of 1x5 mva 3311 kv substation at.

Sep 20, 2015 the project work assigned to us was to 233 kv ehv substation electrical design. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. I want all the equation which is not shown in pdf file of design study for 3311 kv substation, distribution and protection in the city of kenya so what can i do. An electrical substation is a combination of a number of major electrical equipments like power transformers, circuit breakers, instruments transformers, bus bars, lightning arresters, control panels, interconnecting cables, capacitor banks, battery set, and other related equipments designed as per the requirements, size, capacity and class of the substation. Early electrical substations required manual switching or adjustment of. The incoming voltage level for this substation is 220kv. However, joining or coupling may be permitted provided the strength of the joint or. The system is designed to operate at either 33kv, 11kv or with one circuit at 33kv and the other at 11kv, therefore the substation includes an 11kv33kv transformer, shunt reactors, associated 33kv and 11kv. Study of 3311 kv substation and power distribution under. Ets 0070 11kv and 22kv padmount and indoor distribution transformers ets 0072 padmount substation plinth and culvert ets 0077 padmount substation cubicles substation design instructions s di sdi 101 distribution substation general details and minimum requirements. Kenya power transmission system improvement project lot 3233 kv substations and switching stations volume 2 section vi employers requirements. Technical specification construction of 33 11 kv primary substations. No description of technical parameter unit data 1 nominal system voltage kv rms 33kv 2 maximum system voltage kv rms 36. A 66 kv33kv,star delta transformer is connected to the 66kv bus bars.

Project gallery ghantoot group electrical project division. Extension to substation site, drainage, elevations, and setting out for. Perunad substation inaugurated by minister aryadan muhammed. Generally, substations will be fed from one source.

From the same bus bars,outgoing line is taken which goes to the other substation. Electrical design of 233kv substation line diagram. Design,supply,manufacturing,erection, te 211 kv substation with sas at i. Economical voltage rating has been categorised for different power range to be received thumb rule. Design study for 3311 kv substation, distribution and protection in. Three point locking arrangement with single operating handle shall be provided for all hinged doors. Construction of 33 kv vcb foundation with mounting no. What is the criteria for selection of 33kv11kv or 66kv.

The purpose of the hub is to provide a watertight connection between the cable. Key diagram 11kv400v i the 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the sub station. Supply in the package materials have been classified as under i. Epc of 22033kv, 3311kv substation including 220kv double circuit underground cables from transco substation, total length of 6 km feeding power supply to steel factory substation complete with protection scheme at both ends along with all associated 33kv, 11kv and low voltage cabling works for emirates steel factory in icad, mussafah, abu dhabi. Design,supply,manufacturing,erection, te sting and. Aug 1, 2011 a construction of new 33 11 kv primary substation. Zone substations can have distribution voltages of 11, 22 or 33kv. In apcpdcl most of the substations are designed for two power transformers, two 33kv incoming sources one regular and one alternate supply and will be feeding six to eight 11kv feeders. Maintenance requirements analysis manual for further details of tfnsw. Now the transmission line first parallel connected with lightning arrester to diverge surge, followed by cvt connected parallel.

In the right corner of the image, we can see a sld of 11kv to 400 v step down. They produce fields in a similar way to a national grid substation, only generally at a lower level reflecting the lower voltages and smaller sizes. Operation and maintenance of 3311 kv substation eep. These power generating stations may be hydroelectric, thermal or atomic. 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. Substation standard z732 zone substation operating single. Additional annunciation system for 3311kv substations. The bidder shall make necessary visit to the substation. Etap software, load flow, short circuit, 2 kv substations. The substation rating is defined as per the power handling capacity, location and purpose of substation. Providing engineering drawing, data, operational manual, etc for the purchaser. Technical guide the mvlv transformer substations abb group. Electrical substation equipment for transferring of electrical power from generating unit to distributing units various types of electrical equipment are required.

Existing and proposed single line diagram for 3311 kv. Field instruction switching authorisation details the requirements of obtaining a. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. A substation is a part of an electrical generation, transmission, and distribution system. Key diagram 11kv400v indoor substation iiteeeestudents. We considered incoming power at 2 kv and the power was transferred to main bus through isolatorcircuit breakerisolator combination. Special attention has been paid to the differential protection and over current protection of these transformers, which has been used in this substation presently.

The project work assigned to us was to design a 233 kv ehv substation. Substation design volume ii physical layout instructor. Hardfiber system instruction manual, ge publication gek 1500a. Electrical switchyard is usually a part of substation where electricity is transferred from one voltage to another for the transmission and distribution purpose. The equipment like bus bars, isolator, power transformer etc. Gaurav singh dbcr type isolators are used in 3311 kv substation current transformer potential transformer references. Distribution voltages are typically medium voltage, between 2. Switching operators manual distribution switching horizon power. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. In phasei, a study of existing network and availability of space for the substation and lines up to 11 kv of the campus is to be carried out. Established in 2012, the agency comes under the authority of the department of power. Title type vehicle body layout and analysis john fenton pdf chapter 9 site selection layout. Project reference client brief project details 1 design consultancy and supervision services for power supply to sultans special force. Single line diagrams of 220kv66kv11kv transmissiondg.

Electrical substation now days the electrical power demand is increasing very rapidly. Specificatonfor the maintenance ofthe high voltage, 33. Extendable units provide the capability to build the required configuration by joining. Design parameters and standard layout of a 3311 kv substation. The aim of this project is to provide the consultancy service to doctor harisingh gour vishwavidyalaya, sagar mp for substation design, feeder up to 11 kv and estimation of cost.

A protection system design for the small rural substation based on the standard. Simplifying protection system design for distribution substations 1. Operation and maintenance of 3311 kv substation this three are equally important for proper electrification, without any one of this three the electricity system will be incomplete. Board dvb the merger took place in 2002 and since then. Electrical power substation engineering and layout. Owners existing and proposed single line diagram for 3311 kv. Soft soldering shall not be used for joining or connecting leads. Single line diagram of 3311 kv jampaijala for tender.

This is an article on technical subject pertaining to 3311kv substations. Pdf substation automation system for 3366 kv ss at north delhi. Earthing design of 11kv and 33kv rural substations in the uk. Power grid company ltd is the bpdb bangladesh power development board wound company which is the only authorized company for the electric power transmission. Above pdf contains two slds of substations 220kv into 400v. Projects product 11kv 433v mobileskid mounted substation sheet 3 of 46 provided wherever necessary to prevent inadvertent touching of busbars. Owners supply materials osm 33 11 kv power transformers, station 33 0. Technical specification construction of 3311 kv primary. These are like national grid substations but smaller and transform electricity between 2 kv, 33 kv and 11 kv. The first step in planning a substation layout is the preparation of a one line. The power from main bus was fed into a 20mva transformer which. From the etap generated load flow details and the short circuit details are studied. Ctr 15050 11 a single line diagram of 3311 kv jampaijala for tender purpose only.