Fundamentals of modern electrical substations part 1. This specification is intended to cover complete design, engineering, assembling, testing at manufacturers works, substation building. Isolators for 12 kv and 36 kv normal system voltage conform to is. In such substations the apparatus is installed within the substation building. Distribution voltages are typically medium voltage, between 2. There are four 220 kv incoming feeders for this substation coming from. The problem with substation upgrades on existing general arrangement designs is the cost involved to upgrade the 66 kv substations to 2 kv.
Electric transmission specifications and drawings, 34. 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. A substation is a part of an electrical generation, transmission, and distribution system. Specification for erection, testing and commissioning of.
A manufacturer of power transformer of 66 kv class or above or sf6 circuit breaker of 66 kv. The main purpose of the substation is to provide reliable and continuous electric power supply related to the. Electric power substations engineering electrical engineering handbook mcdonald, john d. You can also choose from construction 66kv substation, as well as from three, single 66kv substation, and whether 66kv substation is composite polymer, fiberglass, or porcelain. Load flow analysis of 66 11 kv substation using shunt connected facts controller for maintaining voltage profile. For economy of construction the collector system operates around 35 kv, and the collector substation steps up voltage to a transmission voltage for the grid. Classification of substations on the basis of design. Substation design for loadonly entities and transmissiononly entities purpose this section provides substation design information for load entities interconnected at.
Economical voltage rating has been categorised for different power range to be received thumb rule. Manual for transmission lines and substation construction and. Substation structure design guide asce manuals and reports. A design layout of 233 kv, 200 mw substation the substation is connected with three substations or load viz. It describes various types of substations, illustrates typical layouts, and presents. Substation layout electrical substation electricity. 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.
A 66 kv33kv,star delta transformer is connected to the 66kv bus bars. Chapter8 switchyard equipment hv bus bars, switchyard. We will discuss the air and gas insulated substations. Epoxy resin cast insulators are extensively used in indoor substation equipment up to 66 kv and metal enclosed. From the same bus bars,outgoing line is taken which goes to the other substation. The key diagram of substation can be explained as under. A wide variety of 66kv substation options are available to you, such as power, current, and electronic. Fundamentals of electrical substations and switchgear. Specification for erection, testing and commissioning of 66.
Manual for transmission lines and substation construction. We will understand the lightning arrester and wave trap which are used in substations. At 2202 kv, 22066 kv and 266kv substations the ncc also controls. Design calculation of voltage transformer 66kv line in 230 66 11kv substation khin myo mu dept of electronic engineering, mandalay technological university, mandalay, myanmar, email. The manual is applicable for all substation projects regardless of internalexternal construction delivery mode. No description of technical parameter unit data 1 nominal system voltage kv rms 33kv 2 maximum system voltage kv rms 36.
Design calculation of voltage transformer 66kv line in 230. This chapter presents general information concerning the design of the substation physical arrangement. Federal and state environmental permit information was also included in this document for reference. Download it once and read it on your kindle device, pc, phones or tablets.
Single line diagram and layout of the present 6611 kv. The first step in planning a substation layout is the preparation of a oneline. Any technicalcourseis incompletewithoutsome type of. Economical voltage rating has been categorised for different power range to be. The book is organized into 20 chapters to provide comprehensive information on all aspects of substations, from the initial concept of a substation to design. 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. Design of earthing grounding system in a substation grid. Distribution substations michigan technological university. Electrical system bureau of energy efficiency 1 syllabus electrical system. Background the construction of the new substation was the first step on the critical path of the convention center. I need a free software for earthmat design for 33kv to 400 kv substations in india. Key diagram of substation key diagram of 11kv400v indoor. Other substations in the area influence the design of a new substation.
Substation transformer, gis high voltage gas insulated switchgear substations, 3d substation design, substation design in the 1900s and modern substations today, 400 220 66 kv gis r3 feb gujarat urja vikas nigam, excellent growth of gis substations market insights and, gis substation design and execution hv and ehv gis, innovative. Pdf load flow analysis of 6611 kv substation using shunt. The use of electric power substations in generation, transmission, and distribution remains one of the most challenging and exciting areas of electric power engineering. Technical specification for design, supply, installation. A substation standards switch operating platforms steel design and details 49.
Substation structure design guide asce manuals and reports on engineering practice book kindle edition by kempner jr. High voltage substation design is a complex engineering activity that embraces a wide variety of disciplines. The substation rating is defined as per the power handling capacity, location and purpose of substation. Distribution automation handbook prototype elements of power d istribution systems 1mrs757959 4 3 elements of power distribution systems 3. 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. To better understand the importance of electrical substations, lets start with a discussion. Conductors are attached to their support by means of an insulator unit. This chapter describes the different types of overhead line and substation insulators, their design characteristics, and their application. Secondary substations receive power at 66 33kv which is stepped down usually to 11kv. Design input data description notation unit symmetrical fault current in substation i g a duration of shock for determining allowable body current t s sec. The substation design manual is not intended to replace asset management standards, but rather. Any changes that may arise will be reflected in the next edition.
Transmission and distribution electrical engineering. Design like any other transformer, a current transformer has a primary winding. E substation standards pcb control cabinets shielded cable. E substation standards pcb control cabinets shielded cable grounding. Guidelines for substation and power distribution systems. Any technicalcourseis incompletewithoutsome type of training. This bulletin provides a basic design guide and a reference tool for designing rural substations.
This training introduces trainees to the foundation of substation at all levels of the power grid, with an introduction to typical substation. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. Power substation guides, research papers and studies 3. We will discuss how to design an electrical substation and single line diagram of 66 11 kv substation.
Distribution substations are usually characterized by voltages up to 230 kv. Such an arrangement of two incoming lines is called a double circuit. Basic substation configurations and the components. For overhead lines up to 33 kv and for outdoor substation equipment, the insulator is typically of the post insulator type. Design calculation of voltage transformer 66kv line in 23066.
This comprehensive overview brings these disciplines together to give you an interactive guide to high voltage, air or gas insulated substation design. Operation and maintenance of a gas insulated substation. 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. This substation is constructed using steel lattice structures to support strain bus wires and apparatus. This paper presents the design of earthing system for 66 kv substation and calculation of its parameters. Figure attached shows key diagram of a typical 220 66 11 kv. Home technical articles designing of hv power substation and layout. Design guide for rural substations usda rural development. The bidder shall have adequate design, infrastructure and erection facilities and. Starting from the generating stations to the end users, voltage is needed to be stepped up and down several times in various substations. Medium voltage products technical guide the mvlv transformer substations passive users 1 2 1. Electricity billing, electrical load management and maximum demand control, power factor improvement and its benefit, selection and location of capacitors, performance assessment of pf capacitors, distribution and transformer losses. Duration of fault current for sizing ground conductor t c sec. Specification for erection, testing and commissioning of 6611 kv.
Home university of southern california dissertations and theses 66 to 11 kv new distribution substation design. The side view describes clearly the circuit connections of the 66kv feeder and the 66 11 kv transformers to the 66 kv. Medium voltage products technical guide the mvlv transformer. Overhead busbar design for 22066 kv gis substation prakruti shah1 and hetal desai2 1,2assistant professor, electrical engg department, navrachana university abstract the paper is assigned to design a 22066 kv hv gis substation. This training introduces trainees to the foundation of substation at all levels of the power grid, with an introduction to typical substation components included. What is the criteria for selection of 33kv11kv or 66kv. The electric power substation, whether generating station or transmission and distribution, remains one of the most challenging and exciting fields of electric power engineering. Subtransmission network at 2 kv, 110 kv, 66 kv or 33 kv constitutes the next link towards the end user. 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. The vendor shall have design capability for substation switchyard transmission line. Technical specification construction of 3311 kv primary sub. Electronic drawing management system author handbook.
There are two 66 kv incoming lines marked incoming 1 and incoming 2 connected to the busbars. Drawing title 25251400 singer substation arrangement plan 25251401 singer substation. Siemens has proven to be a reliable, trustworthy supplier of highvoltage substations for all voltage levels and for all applications from basic substations with a single busbar to interconnection substations with multiple busbars or a breakerandahalf arrangement for up to 800 kv, 8,000 a, and shortcircuit currents of up to 100 ka. Nov 17, 2017 power system lecture by unique dictionary. Highvoltage substations highvoltage power transmission. Such substations are usually for a voltage up to 11 kv but can be erected for the 33 kv and 66 kv when the surrounding atmosphere is contaminated with impurities such as metal corroding gases and fumes, conductive dust etc. Introduction to substation earthing grid important formulas for designing a substation grid earthing system maximum tolerable step potential maximum tolerable touch potential maximum tolerable current through the human body resistance of the earth grid substation earthing grid exothermic welding c connector. To make way for the convention center this 66 kv substation had to be relocated. C2 appendix c table of contents substation drawings singer substation drawing no. The first step in designing a power substation is to design an earthing and bonding system go to content earthing and bonding.
The determination of the thermal limits based on ieee and iec standards are also included. The manual is applicable for all substation projects regardless of internalexternal design delivery mode. Fundamentals of electrical substations for electrical. Electric power substations engineering, second edition. All new connections for above 100 kv must be to a new or existing substation. This book is dlt9692005 substation operation guide publicizing learning guidance. The 220 kv grid substation at sarita vihar is a air insulated outdoor substation. This is showing three of the five 220 kv66 kv transformers, as well as. What is the criteria for selection of 33kv11kv or 66kv11kv. In the example provided, the power used on the main lv switchgear is 732 kva.
The associated field guide is a waterproofed version of this manual, which summarizes key erosion and sediment control points for use by field crews. A 66 kv 33kv,star delta transformer is connected to the 66kv bus bars. Power substation guides, research papers and studies 3 eep. This paper presents the design of earthing system for 400 kv substation and calculation of its parameters. 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. Such substations are usually for a voltage up to 11 kv but can be erected for the 33 kv and 66 kv. A 50 hz electrical substation in melbourne, australia. 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. Practical training report on 2206611 kv substation eep. Distribution substations may also be the points of voltage regulation.
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