33 11kv substation details pdf merge

From the etap generated load flow details and the short circuit details are studied. Project reference client brief project details 1 design consultancy and supervision services for power supply to sultans special force. Design study for 3311 kv substation, distribution and protection in. Title type vehicle body layout and analysis john fenton pdf chapter 9 site selection layout.

A 66 kv33kv,star delta transformer is connected to the 66kv bus bars. Above pdf contains two slds of substations 220kv into 400v. The bidder shall make necessary visit to the substation. Technical guide the mvlv transformer substations abb group. Early electrical substations required manual switching or adjustment of. The project work assigned to us was to design a 233 kv ehv substation. Key diagram 11kv400v indoor substation iiteeeestudents. 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. What is the criteria for selection of 33kv11kv or 66kv.

These are like national grid substations but smaller and transform electricity between 2 kv, 33 kv and 11 kv. Sep 20, 2015 the project work assigned to us was to 233 kv ehv substation electrical design. 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. Extendable units provide the capability to build the required configuration by joining. This bulletin provides a basic design guide and a reference tool for designing rural. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations. Pdf substation automation system for 3366 kv ss at north delhi. Perunad substation inaugurated by minister aryadan muhammed. 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.

Single line diagrams of 220kv66kv11kv transmissiondg. Wesco herein after referred as cso invites sealed tenders from reputed electrical contractors with required license, either in individual. 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. Technical specification construction of 33 11 kv primary substations. Electrical design of 233kv substation line diagram. 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. 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.

Established in 2012, the agency comes under the authority of the department of power. In the right corner of the image, we can see a sld of 11kv to 400 v step down. 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. Electrical substation now days the electrical power demand is increasing very rapidly. Extension to substation site, drainage, elevations, and setting out for.

Owners supply materials osm 33 11 kv power transformers, station 33 0. The purpose of the hub is to provide a watertight connection between the cable. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. Simplifying protection system design for distribution substations 1. This is an article on technical subject pertaining to 3311kv substations. Soft soldering shall not be used for joining or connecting leads. Board dvb the merger took place in 2002 and since then.

Projects product 11kv 433v mobileskid mounted substation sheet 3 of 46 provided wherever necessary to prevent inadvertent touching of busbars. Now the transmission line first parallel connected with lightning arrester to diverge surge, followed by cvt connected parallel. Earthing design of 11kv and 33kv rural substations in the uk. Specificatonfor the maintenance ofthe high voltage, 33. Power grid company ltd is the bpdb bangladesh power development board wound company which is the only authorized company for the electric power transmission. Design guide for rural substations usda rural development. Design,supply,manufacturing,erection, te sting and. Why use stone gravel ballast substation gridstation and generating station in hindi duration. Distribution voltages are typically medium voltage, between 2.

Providing engineering drawing, data, operational manual, etc for the purchaser. Project gallery ghantoot group electrical project division. Single line diagram of 3311 kv jampaijala for tender. 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. 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 first step in planning a substation layout is the preparation of a one line. Substation design volume ii physical layout instructor. No description of technical parameter unit data 1 nominal system voltage kv rms 33kv 2 maximum system voltage kv rms 36.

The substation rating is defined as per the power handling capacity, location and purpose of substation. Ctr 15050 11 a single line diagram of 3311 kv jampaijala for tender purpose only. 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. Technical specification construction of 3311 kv primary. Operation and maintenance of 3311 kv substation eep. Boq for construction of 1x5 mva 3311 kv substation at. 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. Powerdistributionandsubstationprojects reference list sl no. The equipment like bus bars, isolator, power transformer etc.

Electrical substation equipment for transferring of electrical power from generating unit to distributing units various types of electrical equipment are required. 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. These power generating stations may be hydroelectric, thermal or atomic. Zone substations can have distribution voltages of 11, 22 or 33kv. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. Existing and proposed single line diagram for 3311 kv. Study of 3311 kv substation and power distribution under. The power from main bus was fed into a 20mva transformer which. A protection system design for the small rural substation based on the standard.

From the same bus bars,outgoing line is taken which goes to the other substation. Additional annunciation system for 3311kv substations. Etap software, load flow, short circuit, 2 kv substations. Construction of 33 kv vcb foundation with mounting no. Kenya power transmission system improvement project lot 3233 kv substations and switching stations volume 2 section vi employers requirements. Generally, substations will be fed from one source.

Economical voltage rating has been categorised for different power range to be received thumb rule. Depending upon the availability of resources these stations are constructed. Electrical switchyard is usually a part of substation where electricity is transferred from one voltage to another for the transmission and distribution purpose. Electrical power substation engineering and layout. 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. Maintenance requirements analysis manual for further details of tfnsw. Electrical power system is back bone of the development of a nation. We considered incoming power at 2 kv and the power was transferred to main bus through isolatorcircuit breakerisolator combination. Design parameters and standard layout of a 3311 kv substation. Aug 1, 2011 a construction of new 33 11 kv primary substation. Field instruction switching authorisation details the requirements of obtaining a. Design,supply,manufacturing,erection, te 211 kv substation with sas at i.

The incoming voltage level for this substation is 220kv. Key diagram 11kv400v i the 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the sub station. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Gaurav singh dbcr type isolators are used in 3311 kv substation current transformer potential transformer references. Hardfiber system instruction manual, ge publication gek 1500a. A substation is a part of an electrical generation, transmission, and distribution system. Three point locking arrangement with single operating handle shall be provided for all hinged doors. However, joining or coupling may be permitted provided the strength of the joint or. Switching operators manual distribution switching horizon power. Owners existing and proposed single line diagram for 3311 kv. Substation standard z732 zone substation operating single.