Manual for transmission lines and substation construction and. Key diagram of substation key diagram of 11kv400v indoor. The system is three phase, 50 hz and power is to be distributed to consumers under nesco at appropriate voltage level via distribution substations, which operate at 33 11kv, 33 0. Earthing design of 11kv and 33kv rural substations in the uk. As you can see, the overview is complex, but on the other hand the mvlv. Important formulas for designing a substation grid earthing system. Design of 233kv substation 1,sudipta sen, 2,arindam chatterjee, 3,debanjan sarkar 1. The first step in designing a power substation is to design an earthing and bonding system go to content earthing and bonding. Areas outside the substation do not need to be considered.
Home university of southern california dissertations and theses 66 to 11kv new distribution substation design. Covers the general design considerations, documents and drawings related to designing a substation. 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. Practical training report on 2206611 kv substation eep. 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.
Single 66 11kv substation design book line diagram of 11kv substation substation. Nov 14, 2011 key diagram 11kv400v i the 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation. Figure attached shows key diagram of a typical 220 66 11 kv. Medium voltage products technical guide the mvlv transformer. This paper is more focused on the design of earthmat for a 11kv substation. Key diagram 11kv400v indoor substation iiteeeestudents.
This is showing three of the five 220 kv66 kv transformers, as well as highvoltage transformer fire barriers, each with a capacity of 150. 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. Technical guide the mvlv transformer substations abb group. One off designs from substation to substation suite of structures long spans typically 300 metres and longer steel towers, steel poles, concrete poles special. Federal and state environmental permit information was also included in this document for reference. Specification for erection, testing and commissioning of 6611 kv.
A substation standards control cable color code identification 68. Kenya power transmission system improvement project lot 3233 kv substations and switching stations volume 2 section vi employers requirements. This substation is constructed using steel lattice structures to support strain bus wires and apparatus. Pdf maintenance and operation of an electrical substation. Any technicalcourseis incompletewithoutsome type of training. The 220 kv grid substation at sarita vihar is a air insulated outdoor substation. Design of phonsavanh and xamneua substations for edl.
Earthing design instruction edi100 distribution earthing design, construction and test equipment technical specification ets 0070 11kv and 22kv padmount and indoor distribution transformers earthing design specification ets 0071 distribution fuses earthing design specification ets 0072 padmount substation plinth and culvert. The cross section of the buried cable should calculated in accordance with the value of the phasetoearth short. Improve the operation and design of your equipment and plant improve your troubleshooting abilities. Guidelines for substation and power distribution systems.
Pdf load flow analysis of 6611 kv substation using shunt. Detailed design of pakxan, pakbo and thakhek substations for edl. Design,supply,manufacturing,erection, te 211 kv substation with sas at i. 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. There are four 220 kv incoming feeders for this substation coming from. Pdf design of groundmat for 11kv substation using auto grid pro.
The manual is applicable for all substation projects regardless of internalexternal design delivery mode. Distribution substations may also be the points of voltage regulation, although on long distribution circuits several kmmiles, voltage regulation equipment may also be installed along the line. Electrical substation an electrical substation is a subsidiary. Analysis and design optimization of 765 kv transmission line based.
An electric substation is constituent of electrical. An essential objective of current transformer design is to ensure that. Substation substation a station in the power transmission system at which electric power is transformed to a conveniently used form. M in parallel 2010 220 kv11 kv dynamic voltage support during and after ac. Pdf design of groundmat for 11kv substation using auto. Distribution indoor and padmount substation 1224kv. Covers bare conductors, rigid and strain bus design. Scope this specification covers the design, engineering, manufacture, testing.
What is the criteria for selection of 33kv11kv or 66kv11kv. The main function of the substation is to collect the energy. The station may consist of transformers, switches, circuit breakers and other auxilliary equipment. The neutral earthing resistors on the 11kv and 33kv limit fault levels so secondary substations will not be classed as hot. Detailed design of 66 11kv thabaung substation for mepe. Prepared by the subcommittee on the design of substation structures of the committee on electrical.
Detailed design of 23033 11kv shwe myo substation for mepe. Maintenance and operation of an electrical substation of. Specification for erection, testing and commissioning of 66. Covers the layout considerations, bus configurations, and electrical clearances.
Design of earthing grounding system in a substation grid. Technical specification construction of 3311 kv primary sub. In the example provided, the power used on the main lv switchgear is 732 kva. 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. Title type vehicle body layout and analysis john fenton pdf chapter 9 site selection layout. Overhead design and construction fundamentals presenter. Look first in your text book then you can look in the internet. Pdf the current 66 kv network experiences low voltages under n1 contingencies.
Bus arrangements reliability cost of configuration available space basic configurations. The key diagram of substation can be explained as under. B substation standards typical power circuit breaker wiring diagram sh 1 of 3 69. Jul 28, 20 these are also referred to ehv substations. We offer 11 kv, 33 kv, 66 kv and 2 kv substation supply installation work in gurgaon, dehi, ncr, haryana, rajasthan, and other parts of india.
Scope this specification covers the design, engineering, manufacture, testing, supply, delivery, offloading and performance requirements of 33 11kv power transformers for use in the. Earthing design instruction edi100 distribution earthing design, construction and test equipment technical specification ets 0070 11kv and 22kv padmount and indoor distribution. A if the line is operating at no load then there will not be any voltage drop hence we will get full 110% voltage so the transformers must be rated at full 110% that is 33kv or. Soil resistivity values can be assumed or dont matter. File type pdf 66 kv substation drawing graphical structure 66 kv substation drawing graphical structure if you ally craving such a referred 66 kv substation drawing graphical structure ebook that will pay for you worth, get the no question best seller from us currently from several preferred authors. This material is made available on the basis that it may be. The following are the general particulars governing the design and working of the complete system of which the contract works will eventually form a part. Such an arrangement of two incoming lines is called a double circuit. Scholar, electrical and electronics engineering department, aisect. Preliminary and detailed primary plant design substation site, drainage, elevations, and setting out for. Idec technical services provides a high quality electrical design associated with the construction of new and the refurbishment of existing 2kv, 33kv and. Pdf electric power substations engineering, third edition erlet. Jul 04, 2016 the substation rating is defined as per the power handling capacity, location and purpose of substation. Specification for erection, testing and commissioning of.
Distribution substations michigan technological university. This specification is intended to cover complete design, engineering, assembling, testing at manufacturers works, substation building, complete erection, testing, commissioning and putting into successful commercial operation of 66 11 kv substation. Technical specification for 3311kv power transformers apdrp scheme page 1 of 72 part 1. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. Practical hv cable jointing and terminations for engineers. Federal and state environmental permit information was also included in this document for. Aug 1, 2011 a construction of new 3311 kv primary substation. 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. The two primary distribution feeders of the substation illustrated in figure 1 are protected by either power circuit breakers or automatic circuit reclosers. E substation standards pcb control cabinets shielded cable grounding 67. There are two 66 kv incoming lines marked incoming 1 and incoming 2 connected to the busbars. The manual is applicable for all substation projects. The book is organized into 22 chapters to provide comprehensive information on.
Civil detailed design for 500kv gis on nuch substation egat detailed design of two substations in algeria. Secondary substations receive power at 6633kv which is stepped down usually to 11kv. Substation substation a station in the power transmission. This specification is intended to cover complete design, engineering, assembling, testing at manufacturers works, substation building, complete erection, testing, commissioning and putting into successful commercial operation of 6611 kv substation.
A 50 hz electrical substation in melbourne, australia. This specification is intended to cover complete design, engineering, assembling, testing at manufacturers works, substation building, complete erection, testing. 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. Mar 08, 2017 a if the line is operating at no load then there will not be any voltage drop hence we will get full 110% voltage so the transformers must be rated at full 110% that is 33kv or 11kv or 440v. Design of groundmat for 11kv substation using auto grid pro. Key diagram 11kv400v i the 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation.
Single line diagram of 66 to 11kv substation dont forget to subscribe to our channel for. Economical voltage rating has been categorised for different power range to be received thumb rule. Economical voltage rating has been categorised for different power. This specification is intended to cover complete design, engineering, assembling, testing at manufacturers works, substation building. Electronic drawing management system author handbook. Design,supply,manufacturing,erection, te sting and. Technical specification construction of 3311 kv primary.
If normal dno practice is followed the design will be ok. Pdf in power system the voltage at different buses vary with the change in load. The performance of 6611 kv distribution substation without and with svc at. Read online 3311 kv substation under lar, apdcl book pdf free. Manual for transmission lines and substation construction. A mini project report on operation and maintenance of 2202kv substation submitted in partial fulfillment for the award of the degree of bachelor of technology in electrical and electronics engineering submitted by v. The ergon energy design philosophy is to provide substations. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Distribution indoor and padmount substation 1224kv switchgear. Technical specification for 33 11kv power transformers apdrp scheme page 1 of 72 part 1.
Our high quality and efficient substations are widely used in industrial and residential sectors. What is the criteria for selection of 33kv11kv or 66kv. Manual for transmission lines and substation construction and maintenance activities. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. A fully illustrated workshop book with hundreds of pages of tables, charts, figures. Complicated distribution substations can be found in the downtown areas of large cities, with highvoltage switching. A mini project report on operation and maintenance of 2202kv substation submitted in partial fulfillment for the award of the degree of bachelor of technology in. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv.
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