Basic elements of substation equipment 1 busbars conductors carrying power to individual branches 2 branches equipment for carrying power to grid lines instrument equipment in branches switch circuit breaker cb busbar disconnector outlet disconnector voltage and current transformers vt, ct. Dan chaply has been a lead substation design engineer for substation projects for more than 25 years. Implementation of an offtheshelf solution for substation design which supports electromechanical, civil and electrical design. Medium voltage products technical guide the mvlv transformer. Electrical substation design fundamentals learn the fundamentals of electrical, civil and structural design issues of electric power substations. Abstract the thesis deals with the analysis of construction of power lines and substation switchyard of 3311 kv.
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. Reference indoor distribution substation design standard by ergon energy. Design parameters and standard layout of a 3311 kv substation. This volume is a broad overview of the design factors and data. Technical specification construction of 3311 kv primary. 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. Substation design challenges an analysis of substation design criteria can demonstrate the bene. Other requirements of the substation electrical system 56 10. You can benefit from their technical insight and stateoftheart knowledge at various stages throughout the documentation process. 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. Material is presented in both morning and afternoon sessions for a total of six hours of daily instruction. Our substation design solution reduces the amount of time to complete design and minimizes errors that cause rework during construction. We offer high quality individual components or a whole package incorporating all key equipment required for a complete, integrated substation solution at competitive prices.
Calculationofimportantdesignparametersforgroundingsystemsi. Our team has a thorough knowledge of substation design, as well as wealth of. Substations equipment maintenance electric power systems. There are 2 to 4 outgoing circuits for the 35kv substation and 12 outgoing circuits for the 10kv substation. Substation structure design guide asce manuals and. The substation consisted of two 14 mva transformers, two 8 kv breakers and nine 12. High voltage substation design and application guide eep.
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. Fundamentals of electrical substations and switchgear. The capacity of a single main transformer is 5000kva. Download it once and read it on your kindle device, pc, phones or tablets. Basic elements of substation equipment 1 busbars conductors carrying power to individual branches 2 branches. The ergon energy design philosophy is to provide substations. Edms, printed to an electronic drawing set adobe pdf and issued to the. Pdf substation design manual shally gupta academia. Powergrid international \ experiences \ substation design.
Electrical stations substations by purpose transformer stations switching stations converter stations compensation stations by position in es. Technical guide the mvlv transformer substations abb group. And it should be noted that cost, reliability, operational. Substation design ratings of switchgears in medium voltage 8 ka, 12. Construction scale it is recommended to install two main transformers. The problem is formulated as a mixedinteger linear. 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.
Agrawal 1,2,3be student123, department of electrical engineering 4proffessor4, department of electrical engineering kdk college of engineering, nagpur, maharashtra, india abstract transmission. Eps was responsible for the design of the substation. 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. Eps was responsible for the design of the substation civil work, bus layout, grounding, and lighting. Indoor distribution substation layout with 3 transformers, emf containment and more than 1 external wall. Topics cover safety, standards, site development, grounding practices, bus configurations, ac and dc ancillary systems, and major equipment. This bulletin provides a basic design guide and a reference tool for designing rural substations. Best practices for protection and control applications for. 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. Depending upon the availability of resources these stations are constructed.
Entergy will construct their portion of the station to the substation fence including foundations. To calculate the levels and waveforms of vftos, the pspicematlab is used. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations. Whenever light surges occur then, a highvoltage pass through these electrical components causing damage to. The main purpose of this work is the development of an optimization model for the design of the grounding grid in electrical substations. Installation of 11kv440v distribution substation ajinkya lonare1, pravin 2bodadkar, 4shuchiket darunde3, dr. Guide for the design, construction and operation of electric.
In pspicematlab simulation, a suitable equivalent circuit is necessary for each component of the substation. Electric power substations for community acceptance and environmental compatibility 1. Fundamentals of modern electrical substations part 3. Transmission and distribution substation projects operating. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. The solution will be based on implementation of an offtheshelf system or systems, with preparation for work at iec israel. For these reasons, ringbus or breakerandahalf switchyard schemes are preferred for transmission switchyards. Substation structure design guide asce manuals and reports.
Electrical power substation engineering and layout. Calculationofimportantdesignparametersforgroundingsystemsinsu. The levels and waveforms of vftos are determined by the design of the substation. Design guide for rural substations usda rural development. Design of 115 kv main transformer station for 2nd bangkok international airport client. Iem power systems is a premier supplier of electrical equipment and substation packages. Pdf grounding system design in electrical substation. Inspections and tests in situ prior to putting into service 61. He has developed designs for a wide variety of voltages, capacities, and enduser categories, including dedicated singleuse industrial substations, large transmission substations, bulk powerintertie substations and switchyards, ipp. Earthing design of 11kv and 33kv rural substations in the uk. 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.
Technical specification construction of 3311 kv primary sub. Electrical substation now days the electrical power demand is increasing very rapidly. The substation grounding grid is a system of horizontal, interconnected bare ground conductors, spaced a few meters apart, buried in the earth at a depth varying from 0. Entergy will design, install, maintain, own and operate the 230 kv ring bus. Kenya power transmission system improvement project lot 3233 kv substations and switching stations volume 2 section vi employers requirements. It covers rural transmission and distribution with airinsulated, outdoor substations up to. Starting from the generating stations to the end users, voltage is needed to be stepped up and down several times in various substations. Substation structure design guide asce manuals and reports on engineering practice book kindle edition by kempner jr. Our engineers can conduct and manage various earthing studies to propose the right grid layout. The design is then submitted to our mentor for verification keywords. Owners supply materials osm 3311 kv power transformers, station 330. Supply in the package materials have been classified as under i. Whenever light surges occur then, a highvoltage pass through these electrical components causing damage to them either temporary or.
Use features like bookmarks, note taking and highlighting while reading substation structure design guide asce manuals and reports on engineering practice book. Prepared by the subcommittee on the design of substation structures of the. The customer will design, install, maintain, own and operate all equipment from the division of ownership, at the fence, back to their generation units. Scholar, electrical and electronics engineering department, aisect university bhopal, mp, india. The project work assigned to us was to design a 233 kv ehv substation. For the 35kv substation, internal bridge or single bus sectionalizing connection can be adopted. Get access to premium hvmvlv technical articles, electrical engineering guides, research studies and much more.
Jul 15, 2015 our substation design solution reduces the amount of time to complete design and minimizes errors that cause rework during construction. A cable fed substation will have a split factor somewhere between 5% and 40% depending on the cable sheaths and earthing configuration where a substation is fed via overhead line and has no metallic return path, all the earth fault current with flow through the. The fence is connected to a separate grounding conductor. Lightning arrester the substation equipments such as conductors, transformers, etc. Substation design volume ii physical layout instructor.
Design drawings 400kv substations planning inspectorate. Presentation on industrial training in 220kv substation ig nagar, jaipur on the topic operation and maintenance of ehv equipment and trannsmission system. These power generating stations may be hydroelectric, thermal or atomic. Part 3 of the course fundamentals of modern electrical substations is concentrated on substation engineering aspects, which may be very challenging and require from utility companies engineers a very diverse knowledge and experience to address these aspects.