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