Design calculation of voltage transformer 66kv line in 23066. Once at site the substation shall be suitable to be lifted by a crane off the truck and placed on. The main bus 33kv is connected to grid located at sector25, indiranagar, lucknow. Now the transmission line first parallel connected with lightning arrester to diverge surge, followed by cvt connected parallel. In high and medium voltage air insulated substations ais the electromagnetic field, which causes are the static charges of bare cable and conductors and by the atmospheric conditions surges, induce voltages at nolive parts of the installation that create potential differences between metallic parts and ground and also between different points of. Pdf design of groundmat for 11kv substation using auto grid pro.
Western power distribution substation construction. The complete package substation with all components fittedshall be suitable to be transported by a standard rta approved vehicle without the need for special permits. Guidelines for substation and power distribution systems. Technical specification construction of 33 11 kv primary substations. Hence great care has to be taken to select the layout. The electricity substation is a network of electrical equipment which is connected in a structured way in order to supply electricity to end consumers. The substation and its components shall be mounted on a galvanised steel plinth. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. May 15, 2018 electrical substation now days the electrical power demand is increasing very rapidly. Oct 26, 2015 a gas insulated substation gis is a high voltage substation in which the major structures are contained in a sealed environment with sulfur hexafluoride gas as the insulating medium. Substation structure design guide provides a comprehensive resource for the structural design of outdoor electrical substation structures.
Different layouts for substation the substation is the part of an electrical supply system which transmits the high voltage from the generating substations to the local distribution networks. Design calculation of voltage transformer 66kv line in 23066 11kv substation khin myo mu dept of electronic engineering, mandalay technological university, mandalay, myanmar, email. This assumes that the substation is situated adjacent to a n adopted highway which is the preferred location for the substation. D substation standards control switches escutcheons, lamps and developments 61. Technical guide the mvlv transformer substations abb group. Air insulated substations design for severe climate condition.
Between the generating station and consumer, electric power may flow through several substations at different voltage levels. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. The neutral earthing resistors on the 11kv and 33kv limit fault levels so secondary substations will not be classed as hot. All works must be designed for maintenance free lives as detailed in the below table. Power evacuation, main single line diagram, grid interconnection. The main purpose of the substation is to provide reliable and continuous electric power supply related to the. Earthing design of 11kv and 33kv rural substations in the uk.
Layout the first step in planning a substation layout is the preparation of a oneline diagram which shows in simplified form the switching and protection arrangement required, as well as the incoming supply lines and outgoing feeders or transmission lines. Design of earthing grounding system in a substation grid. The purpose of this document is to provide a general guide to the design of an air insulated switchgear ais and a gas insulated switchgear gis of an ac substation. Maintenance and operation of an electrical substation of 220233 kv. Substation substation a station in the power transmission system at which electric power is transformed to a conveniently used form. The demand of electricity is being increased day by day. Project documents will specify if tasnetworks will freeissue items or if they. 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. 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.
Design of earth grid for a 3311kv gis substation at a. Technical specification construction of 3311 kv primary. The key diagram of this substation can be explained as under. The thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. The substation would be a combination of switching, controlling, and voltage stepdown equipment arranged to reduce subtransmission voltage to primary distribution voltage for residential, commercial, and industrial loads. 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. Edms, printed to an electronic drawing set adobe pdf and issued to the project. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. Substation design from the pdf you originally attached, it looks like you may be able to use a symbol that shows only a single winding. Read online design of electrical scada system for 11kv substation book pdf free download link book now. Substation 30v battery systems for protection andor circuit breaker tripping. I want the attached picture to be made perfectly on autocad or related software so that, i can print the electrical single line diagram out.
These power generating stations may be hydroelectric, thermal or atomic. Design parameters and standard layout of a 3311 kv substation. The cad file is drawn in plan and elevations at imperial scale. Download this free cad block of a substation enclosure including dimensions fully annotated text and colour hatch. Depending upon the availability of resources these stations are constructed. Economical voltage rating has been categorised for different power range to be received thumb rule. The document is divided into 12 chapters starting from.
Inplant training about 110kv11kv substation slideshare. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations. It should be free from all obstructions from the point of view of convenience of. Design,supply,manufacturing,erection, te sting and. Design of earth grid for a 3311kv gis substation at a high soil resistivity site using cymgrd software. The 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation. Key diagram 11kv400v indoor substation iiteeeestudents. Download design of electrical scada system for 11kv substation book pdf free download link or read online here in pdf. Western power distribution is the electricity distribution network operator for the midlands, south wales and the south west. Pdf power flow analysis of 230110 kv substation using etap. I design control systems and do the schematics for 11kv indoor and 33kv outdoor circuit breakers. Abstractthispaper describes the design ofan earthing system for agas insulated switchgear gis substation using. Design of groundmat for 11kv substation using auto grid pro.
The second symbol is almost a match for the symbol show in the pdf. You can contact us 24 hours a day, 7 days a week, 365 day a year. The following layout designs of indoor distribution substation are typical only and should not be used as construction drawings as they are presented as an example. In todays life electricity plays a very vital role. This research paper deals with the simulation of 23311kv substation.
The substation rating is defined as per the power handling capacity, location and purpose of substation. The two primary distribution feeders of the substation illustrated in figure 1 are protected by either power circuit breakers or automatic circuit reclosers. Single line diagram 33kv11kv substation in hindi youtube. All books are in clear copy here, and all files are secure so dont worry about it. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. C substation standards typical duplex switchboard surge suppressor networks detail layout 60. Jun 20, 2018 single line diagram33kv11kv substation this is the easy way to understand the working of substation. Areas outside the substation do not need to be considered. The requirements in the design and other factors to be considered before the design as well as the beme for the design are thoroughly looked at. Compliance with all technical requirements all energize elements comply with the required clearances clearances verify compliance with the last requirements of the national electrical safety code or prepa diseno subw\copy of svc subst profile 2. I havent heard of a transformer like this but then again, i dont work with ehv systems, just hv 3311kv and lower. The substation design manual is not intended to replace asset management standards, but rather. Substation working in hindi, pole mounted 11kv400v youtube.
The manual is applicable for all substation projects regardless of internalexternal design delivery mode. Rajesh and others published power flow analysis of 230110 kv. Existing power distribution system in pakistan consists of approximately 6000 11 kv feeders, which are mainly analyzed. Different layouts for substation radial, tapped, lilo. Design study for 3311 kv substation, distribution and protection in. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 33 11 kv. Prepared by the subcommittee on the design of substation structures of the committee on electrical transmission structures of the structural engineering institute of asce. The station may consist of transformers, switches, circuit breakers and other auxilliary equipment. 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. Electrical power substation engineering and layout.
The company i work for sells those breakers to the utility companies that have the breakers installed in various substations new and refurbished. A gas insulated substation gis is a high voltage substation in which the major structures are contained in a sealed environment with sulfur hexafluoride gas as the insulating medium. Between the generation and distribution, the voltage may vary through several substations. Substation layout free download as powerpoint presentation. Design of electrical scada system for 11kv substation. Autocad, cadcam, solidworks, engineering, electrical engineering see more. Oct 07, 2014 the standard instruction for construction of 3311 kv substation is given in rec standards which specifies the layout along with the switchgear. Design study for 3311 kv substation, distribution and. Hence great care has to be taken to select the layout and. Gis technology originated in japan, where there was a substantial need to develop technology to make substations as compact as possible.
The fence is connected to a separate grounding conductor. Projects product 11kv 433v mobileskid mounted substation sheet 2 of 46 details of equipments. Analysis of 230110 kv substations after adding capacitor bank. Generally terminal voltage of large hydro generators is 11 kv in india. Design,supply,manufacturing,erection, te 211 kv substation with sas at i. Technical specification construction of 3311 kv primary substations. Notification of change to 11kv ring main units, extensible panels and associated metering units accepted onto. This paper is more focused on the design of earthmat for a 11kv substation. The requirements in the design and other factors to be considered before the design as well as the beme for the design. Electrical substation components list diagram, working. The analysis is done by using advance software electrical transient analyser program etap with detailed load flow analysis. Connection diagram between the distributors substation at the user site and the users passive. What is the criteria for selection of 33kv11kv or 66kv. A substation may include transformers to change voltage levels between.
A substation is a part of an electrical generation, transmission, and distribution system. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. 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 system. Single line diagram33kv11kv substation this is the easy way to understand the working of substation. E substation standards transformer sudden pressure relay schematic diagram 62.
Single line diagram of 11kv substation autocad cadcam. Design study for 3311 kv substation, distribution and protection in the city of kenya. Design of 6611kv, 20mva substation before the ratings of various items of equipments in a substation are chosen and their locations in the substation decided it is necessary to draw a single line diagram, also called key diagram. The substations are constructed under roof is called indoor type substation. High voltage substation design and application guide eep. Pdf maintenance and operation of an electrical substation. This cad design is ideal for your planning application drawings.
Design study for 33 11 kv substation, distribution and protection in the city of kenya. Jul 20, 2018 owners existing and proposed single line diagram for 3311 kv. Substation layout electrical substation electricity. Some designs achieve minimum emf emission by installing the low voltage cables and switchboard in a trench down the middle of the room. Existing and proposed single line diagram for 3311 kv.
Home download center electrical engineering books and guides power substation guides substation exeter 400kv substation gtr. They step down the ehv to hv as per the requirement of the customers. The main function of the substation is to collect the energy. Technical specification construction of 3311 kv primary sub. Generally 11 kv and sometime 33 kv substation are of this type. Internal arc effects in medium voltage switchgear 152kv mitigation techniques. Stability of the system, reliability of power depends on the type of layout chosen and components used in the sub stations. Introduction sub stations are important link between generating stations and distribution networks.
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