220 33 kv substation design book

The manual is applicable for all substation projects regardless of internalexternal design delivery mode. As you can see, the overview is complex, but on the other hand the mvlv electrical substation is the synthesis of several design activities electrical, mechanical, construction. A mini project report on operation and maintenance of 220 2kv substation submitted in partial fulfillment for the award of the degree of bachelor of technology in. Pgcil, new delhi 400220 kv gis substation with central. Aug 05, 2018 namaskar outdoor substation layout 2 kv, 33 kv transfer 11kv and step by step distribution substation. Transmission design voltages above 33 kv one off designs from substation to substation suite of structures long spans typically 300 metres and longer steel towers, steel poles, concrete poles. This substation is constructed using steel lattice structures to support strain bus wires and apparatus. Design considerations of the substation and switchyard ii. How can decide the mva rating of power transformer for.

E substation standards switch operating platforms steel design and details 48. Medium voltage products technical guide the mvlv transformer. The project of construction of ss 40011035 kv lastva includes the construction of 2x300 mva substation and extension of the existing substation 400 220 110 kv pljevlja 2. Furthermore, the 220 kv system was successfully introduced in the integrated nepal power system inps by commissioning of 220 2 kv, 2x160 mva transformer substation. Manual for transmission lines and substation construction and.

Substation tenders online latest info about substation. Power substation guides, research papers and studies 3. Important formulas for designing a substation grid earthing system. Covers the design of bus support structures and connectors. Handbook on construction techniques asian development bank. The first step towards the design of a 400 220 2 kv substation is to determine the load that the substation has to cater and develop it accordingly.

Section 3 is the simulation of single line diagram of 220 kv substation in etap based upon practical data. Abb substations with gasinsulated switchgear gis are unmatched when it comes to compactness, reliability, efficiency and safety, ensuring maximum power availability for utility, commercial and industrial customers. The input for a distribution substation is typically at least two transmission or subtransmission lines. Maintenance and operation of an electrical substation of. The maximum field shown here is produced by a lattice pylon design when the a 33 kv circuit could be carried on a line power transmission lines and substations. B substation standards switching diagram operating numbers bus configuration. Various levels such as generation, transmission and distribution.

View and download powerpoint presentations on 33 kv substation ppt. An ac substation has generally 2 or 3 main voltage levels. As central generation stations became larger, smaller. A 50 hz electrical substation in melbourne, australia. The first step in designing a power substation is to design an earthing and bonding system go to content earthing and bonding. These power generating stations may be hydroelectric, thermal or atomic. The project is implemented in compliance with the obligations set forth by the project coordination agreement on the interconnection between the electric power systems of italy and montenegro, so that the 110 kv. The substation is responsible for catering bulk power to various load centres distributed all around through 220 kv and 2 kv substations. Epc of 220 33kv, 33 11kv 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 of earth grid for a 33 11kv gis substation at a high soil resistivity site using cymgrd software. The function of an earthing and bonding system is to provide an earthing system connection to which transformer neutrals or earthing impedances may be connected in order to pass the maximum fault current. A design layout of 2 33 kv, 200 mw substation the substation is connected with three substations or load viz. Design of earth grid for a 3311kv gis substation at a.

Distribution voltages are typically medium voltage, between 2. This book convers basic design concept with theory and practical project calculation related to substation design. Design study for 33 11 kv substation, distribution and protection in the city of kenya the substation would be a combination of switching, controlling, and voltage stepdown equipment arranged to reduce subtransmission voltage to primary distribution voltage. Lv transformer electrical substation consists, therefore, of the set of devices dedicated to the transformation of the voltage supplied by the distribution network at medium voltage e. This book convers basic design concept with theory and practical project calculation. Before 1960s the design criterion of substation earthing system was low earth resistance. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations. We considered incoming power at 2 kv and the power was transferred to main bus through isolatorcircuit breakerisolator combination. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Industrial summer training report on uttar pradesh power corporation limited 220 2 kv substation barahuwa gorakhpur submitted in partial fulfillment of the requirements for the award of degree of bachelor of technology in electrical engineering ee submitted by ashutosh srivastava 75120016 submitted to. The codes of practice, technical reference books, handbooks contain a chapter on this. 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. It should be designed for indoor application with meteorological conditions at site winter 3c to 14 c and summer 31 c to 46 c, seismic zone. Earthing system is made of a mesh of buried bare copper cable, with additional earth rods, and shall be calculated, being recommended to use ieee std.

Substation design engineering training course, pune, maharashtra. The whole substation is divided into three part 400kv,220kv and 33 kv. Getco, the state transmission company of gujarat is the customer. Nonsecurity item tender document for construction of 233kv substation on turnkey basis for supply, transportation, erection, commissioning and civil work tender no 14352 33 kv. They might be classified by their function, amount of transformers, total power and other parameters. May 15, 2018 electrical substation now days the electrical power demand is increasing very rapidly. Substation layout free download as powerpoint presentation.

Epc of high voltage 4002202 kv substations, transmission. A substation standards switching diagram operating numbers bus configuration 6. Ghantoot group electrical project division project gallery. Covers the design of the ground grid for safety and proper operation. The substation design manual is not intended to replace asset management standards, but rather. Abb substations with gasinsulated switchgear gis are unmatched when it comes to compactness, reliability, efficiency and safety, ensuring maximum power availability for utility. The word substation comes from the days before the distribution system became a grid.

Depending upon the availability of resources these stations are constructed. Mcgraw hill 1978 isbn 007020974x chapter 17 substation design 5. The incoming voltage level for this substation is 220kv. A substation standards switch operating platforms steel design and details 49. Guidelines for substation and power distribution systems. Overhead busbar design for 220 66 kv gis substation prakruti shah1 and hetal desai2 1,2assistant professor, electrical engg department, navrachana university abstract the paper is assigned to design a 220 66 kv hv gis substation. Section and two substation projects namely dhalkebar 220 2 kv and rupani 233kv substations were completed and put into operation. Design a protection system of 22033 kv ramah grid station. No description of technical parameter unit data 1 nominal system voltage kv rms 33kv 2 maximum system voltage kv rms 36. Substation design engineering training course 16 photos. Substation layout electrical substation electricity. The project work assigned to us was to design a 2 33 kv ehv substation.

A mini project report on operation and maintenance of 220 2kv power substation on photo. The long distance transmission is generally at extra high voltages such as 2 kv, 220 kv, 400 kv ac. Earth resistance design and evaluation of substation earthing system were evolved particularly for ehv ac and hvdc substations. Similarly, the voltage level of 22 kv will be considered in equivalence of 33 kv. Distribution substations michigan technological university. Design and electrical calculations for 1102203510 kv. Design of earthing grounding system in a substation grid. Maintenance and operation of an electrical substation of 220. The main electrical wiring method of substation should be determined according to the substation s status in the power grid, number of outlet circuits, equipment features, load characters, and other conditions. The sf6 gas insulated metal enclosed switchgear shall be totally safe against inadvertent touch of any of its live constituent parts. For the 35kv substation, internal bridge or single bus sectionalizing connection can be adopted. Turnkey 400 kv 220 kv greenfield substation with 5 bays at 400 kv and 7 bays at 220 kv with 2 nos. Transmission distribution layout 11kv to 440 v 220 voltage. This is showing three of the five 220 kv 66 kv transformers, as well as highvoltage transformer fire barriers, each with a capacity of 150 mva.

A mini project report on operation and maintenance of 220 2kv substation submitted in partial fulfillment for the award of the degree of bachelor of technology in electrical and electronics engineering submitted by v. The first highvoltage substations in britain were built as part of the national grid in 1927 33 by the central electricity board under the provisions of the electricity supply act 1926. Customer substation manual 6272019 preface page 10 of 82 010. Furthermore, the 220 kv system was successfully introduced in the integrated nepal power system inps by commissioning of 220 2 kv, 2x160 mva transformer substation at dhalkebar. Industrial summer training on 220 kv substation ppt. Design and electrical calculations for 110 220 3510 kv power substation. The associated field guide is a waterproofed version of this manual, which summarizes key erosion and sediment control points for use by field. Kenya power transmission system improvement project lot 3233 kv substations and switching stations volume 2 section vi employers requirements.

Abstractthispaper describes the design ofan earthing system for agas insulated switchgear gis substation. Highvoltage substations in the united kingdom wikipedia. The ergon energy design philosophy is to provide substations. Section 4 is the load flow analysis of the substation. Report on industrial summer training on 220 kv substation. How can decide the mva rating of power transformer for substation like 220 2, 266, 6633kv etc or even higher kv rating of substation. Stages of power substation project design, construction and related. Consultancy technical assistance by cea a in the last five year or so central electricity authority provided design and engineering consultancy technical assistance for the following transmission lines and associated substations.

Maintenance and operation of an electrical substation of 220233 kv. Generally, power substations are used to control the power flow and supply quality in the grid. Federal and state environmental permit information was also included in this document for reference. Pdf maintenance and operation of an electrical substation of 220. This paper presents the design of earthing system for 400 kv substation and calculation of its parameters. A mini project operation and maintenance of a 2202 kv. Iv general technical specification for 220kv sf6 gas insulated metal enclosed switchgear on photo. Design of earthing system for 400 kv ac substation international.

Power transmission lines and of izki 220 2 33 kv grid station and associated 220 kv transmission line. Sep 24, 20 a substation may include transformers to change voltage levels between high transmission voltages and lower distribution voltages, or at the interconnection of two different transmission voltages. Manual for transmission lines and substation construction. A distribution substation transfers power from the transmission system to the distribution system of an area. Outdoor substation layout 2 kv,33 kv transfer 11kv and. The subtransmission is at medium high voltage such as 33 kv, 11 kv ac. Technical specification construction of 3311 kv primary sub.

Apr, 2017 industrial summer training on 220 kv substation ppt 1. The cross section of the buried cable should calculated in accordance with the value of the phasetoearth short. These practices and procedures, when properly implemented, will minimize or prevent erosion and sediment pollution from adversely affecting sensitive resources, such as, streams, ponds, lakes, wetlands, and natural vegetative. A training report on 220kv power substation dharpa.