A typical disposition of the substation 230 33 11 kv is shown on the oneline diagram in figure 1. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. What is the criteria for selection of 33kv11kv or 66kv. 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. Entergy will design, install, maintain, own and operate the 230 kv ring bus. Design guide for rural substations usda rural development. Design of distribution substation distribution substation consists of. Design study for 3311 kv substation, distribution and. The electrical substation is the part of a power system in which the voltage is transformed from high to low or low to high for transmission, distribution, transformation. 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 work includes the design, manufacturing, training, testing and inspection at factory, export packing, shipping and delivery to each site, erectioninstallation, testing and commissioning for the following 3311kv ss equipment including civil works. Early electrical substations required manual switching or adjustment of.
Substation design hello all acade gurus, i am a college student and i have been given a project to design a substation single line diagram and plan layout on autocad with predefined specifications busbar schemes, lines, etc. Design study for 3311 kv substation, distribution and protection in. The substation should be suitable for outdoor application, compact and easily transportable and installation. The tenderer is allowed to visit and examine the existing 3311kv substations and the.
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. Sirius substation preliminary design report rev0 july 2015. The project work assigned to us was to design a 2 33 kv ehv substation. Substation configuration substation configuration can greatly affect protection choices substation physical design engineers must be in full agreement with protection and control engineers, even for. Soil resistivity values can be assumed or dont matter. Prepared by the subcommittee on the design of substation structures of the. If normal dno practice is followed the design will be ok. 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.
Epc of 3311kv primary sub station 80 mva and associated 33 kv cable. Distribution indoor and padmount substation 1224kv. 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. Idec technical services provides a high quality electrical design associated with the construction of new and the refurbishment of existing 2kv, 33kv and 11kv substations including. Design criteria on substation protection by using instrument. Pdf grounding system design in electrical substation. The main purpose of this work is the development of an optimization model for the design of the grounding grid in electrical substations. Key diagram 11kv400v i the 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation. Entergy will construct their portion of the station to the substation fence including foundations. Under the project, a new 23311 kv kawasoti substation will be constructed with a transformer of 233 kv, 30 mva.
Design study for new 23311 kv power substation in kingdom of nepal. The ergon energy design philosophy is to provide substations. Design of phonsavanh and xamneua substations for edl. Earthing design of 11kv and 33kv rural substations in the uk. About 50% of these are power distribution equipment. This is an article on technical subject pertaining to 3311kv substations. Technical specification construction of 3311 kv primary sub. The substation rating is defined as per the power handling capacity, location and purpose of substation. Ghantoot group electrical project division epc of 33. What is the criteria for selection of 33kv11kv or 66kv11kv. Technical specification construction of 3311 kv primary. The problem is formulated as a mixedinteger linear. We collected most searched pages list related with 33 11kv substation design pdf and more about it. Additional annunciation system for 3311kv substations.
The factory assembled self contained package substation is a complete weather proof. 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. Earthing design instruction edi100 distribution earthing design, construction and test equipment technical specification ets 0070 11kv and 22kv padmount and indoor distribution transformers. Study of 3311 kv substation and power distribution under. Economical voltage rating has been categorised for different power range to be received thumb rule. The design is then submitted to our mentor for verification keywords.
Design,supply,manufacturing,erection, te sting and. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 33 11 kv. Detailed design of 6611kv thabaung substation for mepe. Technical guide the mvlv transformer substations abb group. Distribution indoor and padmount substation 1224kv switchgear. Substation work, equipments data, operational manual, etc for the owners.
Gaurav singh dbcr type isolators are used in 3311 kv substation current transformer potential transformer references. Scholar, electrical and electronics engineering department, aisect university bhopal. Best practices for protection and control applications for. Design parameters and standard layout of a 3311 kv substation. The scope of work consists of the design, manufacture, testing, assembly at manufacturers works and delivery of the complete 33kv to 11kv package substation to endeavour energy.
Transmission and distribution substation projects operating. A substation is a part of an electrical generation, transmission, and distribution system. Detailed design of 2303311kv shwe myo substation for mepe. The new substation will receive power from a higher capacity 2 kv transmission line with greater reliability than the existing 33 kv subtransmission line. In apcpdcl most of the substations are designed for two power transformers, two 33kv incoming sources one. There are two distributive power transformers, 60mva and 100mva, in substations of this type, and they can operate either. Jan 26, 2014 this is an article on technical subject pertaining to 33 11kv substations. This bulletin provides a basic design guide and a reference tool for designing rural substations.
The customer will design, install, maintain, own and operate all equipment from the division of ownership, at the fence, back to their generation units. Implementation of an offtheshelf solution for substation design which supports electromechanical. The project work assigned to us was to design a 233 kv ehv substation. Sirius 2kv substation preliminary design report document number revision no date page pdf. The contractor shall be responsible for the complete design and engineering. We offer high quality individual components or a whole package incorporating all key equipment required for a complete, integrated substation solution at competitive prices. Preliminary and detailed primary plant design substation site, drainage, elevations, and setting out for. 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. Guidelines for substation and power distribution systems.
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. Nov 14, 2011 key diagram 11kv 400v i the 3phase, 3wire 11 kv line is tapped and brought to the gang operating switch installed near the substation. A wide variety of 11kv substation options are available to you, such as coil number, poles. 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. The power from main bus was fed into a 20mva transformer which. All rus borrowers rus electric staff effective date. Iem power systems is a premier supplier of electrical equipment and substation packages. This research paper deals with the simulation of 23311kv substation. The customer will design, install, maintain, own and operate all equipment from the division of ownership, at the fence, back to. The fully equipped package substation pss,comprises of outdoor duty enclosure, medium voltage switchgear,distribution transformer, low. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india.
However, the package substation shall be manufactured. Substation design hello all acade gurus, i am a college student and i have been given a project to design a substation single line diagram and plan layout on autocad with predefined. Substation configuration substation configuration can greatly affect protection choices substation physical design engineers must be in full agreement with protection and control engineers, even for temporary substation configurations. Economical voltage rating has been categorised for different power range to be received thumb. Key diagram 11kv400v indoor substation iiteeeestudents. Sep 20, 2015 the project work assigned to us was to 233 kv ehv substation electrical design.
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. Kenya power transmission system improvement project lot 3233 kv substations and switching stations volume 2 section vi employers requirements. The neutral earthing resistors on the 11kv and 33kv limit fault levels so secondary substations will not be classed as hot. We considered incoming power at 2 kv and the power was transferred to main bus through isolatorcircuit breakerisolator combination. Earthing layout for 3311kv 2010 mva substation yard. Geographical location 2 project specific requirements there will be no available 3 phase ac supply on site during the construction phase, as this is a new. Substation design volume ii physical layout instructor. An electrical substation is a combination of a number of major electrical equipments like power transformers, circuit breakers, instruments transformers, bus bars. Existing and proposed single line diagram for 3311 kv. The first step in planning a substation layout is the preparation of a one line. Design study for 3311 kv substation, distribution and protection in the city of kenya. The analysis is done by using advance software electrical transient analyser program etap with detailed load flow analysis.
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. Electrical design of 233kv substation line diagram. 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. The design of the entire substation was made keeping in mind the most basic requirements of a proper substation including the civil and domestic requirements. Double 2kv busbar with buscoupler, double 88kv busbar with buscoupler, 2 x 2kv line bays with. Ghantoot group electrical project division epc of 3322. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv. We offer high quality individual components or a whole package incorporating all key equipment required for a.
We considered incoming power at 2 kv and the power was transferred to main bus through isolatorcircuit breakerisolator. Lv cable fig shows the single line diagram of 11kv 440v substation dp structure. The secondary substations are also of outdoor type. Our team has a thorough knowledge of substation design, as well as wealth of. The design of the entire substation was made keeping in mind the most basic requirements of a proper. The 11kv lines runs along the important road of the city. Ehv combined voltage and current transformer standard. Substation 2303311kv distributive substations are points in a large electrical power transmission network where highlevel voltage is.
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