I found a link to you describing your structural design software. Rs pole design guide general methodologies and procedures for structure design using rs modular composite poles and plspole rev. Technical specification for three phase pole mounted. Part 1 detailed procedures part 2 handbook part 3 ena guideline for construction and maintenance. The rated voltage of lightning arresters shall be 9 kv rms. In each pillar, 2 nos of ms flats of 506200mm shall be suitably embedded to hold 2nos of cable racks. Lattice steel provides structures of low weight and high. Mar 03, 2017 efficient pole barn building design cad software. Manual for transmission lines and substation construction and. Download free, highquality cad drawings, blocks and details of electrical organized by masterformat. Hermetically sealed distribution transformer manufactured by us are with corrugated radiators. Many of the requirements of the codes and standards listed below are hardcoded in our software and can optionally be selected by name. The main objectives of the program are to construct the substations and.
Design codes, standards, and manuals used in power line. Four pole structure or two pole structure four pole. Does anyone here have a favorite software for drawing photovolatic system schematics. These practices and procedures, when properly implemented, will minimize or. These power generating stations may be hydroelectric, thermal or atomic. Ergon energy corporation limited abn 50 087 646 062. Electrical power substation engineering and layout. Introduction estimating is defined as a method by which we can get an approximation of the material, i. System planning, design, construction, and protection. A3 11 kv lines conductor formation with earth wire 4. Surveying measuring angles by tape measure method measuring small angles from adjacent pole by tape measure method deflection angle from two traverse bearings. Substation design manual page 2 of 120 reference ni000401r121 ver 2 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802.
Find here online price details of companies selling double pole structure. In general all metallic pole fittings such as crossarms, insulator bases and pole bands shall be bonded to the structure earthing system. Not only does cad software facilitate efficient communication between the client, the design team, and the pole barn builders, but it also streamlines the manufacturing and assembly of the pole barns you build. Design and planning framework for underground networks in uk power networks appendices for enaofgem engineering recommendation g81 generic documents. At present, numerous high voltage xlpe cable systems with nominal voltages up to 500 kv and. These practices and procedures, when properly implemented, will minimize or prevent erosion and sediment pollution from adversely affecting sensitive resources, such as. Draw the single line diagram of a pole mounted substations incoming search terms. Single line diagram of 11kv substation substation provides the energy supply for the local area in which the line is located. Pole structure and calculation of distance between conductors the distances between conductors can be easily found through calculating the hypotenuse of a rightangled triangle similar to the example above which came from pole structure drawing. The analysis results will show the calculated stresses, component. Figure 1 singleline diagram of transmission and distribution network.
The development of high voltage xlpe cable systems goes back to the since then production and material technology have improved significantly, providing reliable and maintenancefree products to the utility industry. Standard for distribution line design overhead page 9 of 206 standard stnw3361 ver 2. The main aim of circuit breaker is to prevent reestablishment of arcing after current zero where the contact gap will withstand the system recovery voltage. Plspole is the only software recommended by rs for structural analysis of rs poles. Pole cap each pole shall be supplied with a pole cap, to seal the aperture at the top of the pole. Ga of 11 kv line crossing of railway on dp structure,pccpsc poles. The cable trench wall inside the control room will be of 100mm thick rcc only.
Distribution substations michigan technological university. Limitations on allowable spans of the same circuit to mitigate midspan conductor clashing are as per the provisions of asnzs 7000 section 3. The following calculations are included in the website, requires minimal training and take seconds to perform. The republic of iraq ministry of electricity moe energy distribution office construction of 3311kv substations 2 x 31. Transmission line design manual bureau of reclamation. For fulfilling these huge power demands the modern time requires creation of bigger and bigger power generating stations. A clamps type 1 poles shall have welded to the top, an a clamp for the purpose of supporting the pin stalk of a top phase insulator. Guide to transmission line constants calculations impedance. Product overview for 2500kva, 11kv transformer 2500kva, 11kv oil immersed distribution transformer is usually pole mounted or installed in distribution station for daily lighting and factory power whose lv output up to 0. Pls pole allows line designers to easily develop their own structures according to their own specifications. Depending upon the availability of resources these stations are constructed. Open the home designer plan in which you would like to create a pole structure or select file new plan from the menu to open a new, blank plan. Air circuit breaker types of acbs, operation and applications. The switches are suitable for operation under offload conditions only and are intended for use on distribution substations and tapping sectionalizing points of 11 kv lines.
In order to minimize to acceptable values of the currents through the human body, to ensure electrical safety for people working within or near the installation, and also to limit any eventual electrical interference with thirdparty equipment, ais must be provided with an earthing or grounding system, to which all metallic nonlive parts of the installation must be connected, such as. Structure design examples are limited to woodpole construction. Substation design manual iii reference ni000401r121 ver 2 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 9. High voltage xlpe cable systems technical user guide. Design and planning framework for underground networks in uk power networks. In order to minimize to acceptable values of the currents through the human body, to ensure electrical safety for people working within or near the installation, and also to limit any eventual electrical interference with thirdparty equipment, ais must be provided with an earthing or grounding system, to which all metallic nonlive parts of the installation must be connected. Technical specification table of contents page 1 of 8 rev. Rggvy works xii plan standard construction drawings rajasthan. Single line diagram of substations cad design software.
The top of the cable trench should be rcc to hold the rcc covers as per the approved drawing, enclosed. Standard for distribution line design overhead ergon energy. The rural utilities service rus of the united states department of agriculture usda has developed structure specifications and framings for many structures from distribution voltage levels through 230 kv that many engineers use either directly, or with modifications. Insulators shall be porcelain aerofoil self cleaning type with a minimum creepage. Select build railing and deck straight railing from the menu, then click and drag in the drawing area to draw an enclosed rectangular structure. This specification covers manufacturing, testing and supply of 11kv 200amp. Providing engineering drawing, data, operational manual, etc for the owners approval. As the information contained in this publication is subject to change from time to time, endeavour energy gives no warranty that the information is correct or complete at the time of its use or is a definitive statement of procedures. There are many guys out there who do them so cheap some quite questionable that i typically choose not to compete. External companies should not use these standards to construct nonergon energy assets.
Technical specification construction of 3311 kv primary. Electrical substation now days the electrical power demand is increasing very rapidly. Description date compiled by engineering approval a issue for external customer release 20100630 c. Utility line design has over twentyfive planned calculations that will be added to the website at no added charge in the coming months. Federal and state environmental permit information was also included in this document for reference. Introduction estimating is defined as a method by which we can get an approximation of the material, investment involved, and the time to be taken for the completion of electrification project normally it can be enlisted under following four headings. The voltage is then stepped up by suitable 3phase transformers for transmission purposes. Ga of 11 kv line crossing of railway on dp structure, 8 mtr, 200kg psc poles. This will be applicable to the effectively earthed 11 kv systems coefficient of earth not exceeding 80 percent as per is. Software parameter tables, design modules, and drawing lists. Key map, plan and profile sheets, and special crossing drawings.
Pole barn building design cad software pole barn plans. Design of earthing grounding system in a substation grid. Creating a pole barn structure home design software. However, i have been searching for a different software to draw 3 line diagrams and have yet to find one that is any better than illustrator or autocad electrical. Chapter iv system planning, design, construction, and protection nei electric power engineering page iv3 figure iv 2 common hframe transmission line construction. As per nec code minimum ground electrode length of 2. Manual for transmission lines and substation construction. As an affluent manufacturer, exporter and supplier in this domain, we are instrumental in offering a high quality range of four pole structure or two pole structure. An example of global analysis is using plspole to determine the deformed shape of a pole or structure under an applied load. These standards ensure meeting of ergon energys requirements. I often have builders ask me to do the engineering for pole buildings. Wood is suitable only for relatively small, simple substations because of the difficulty of building complex bus and switch gear support structures from wood. The working principle of air circuit breaker is rather different from other types of circuit breaker. Doubling depth of rod theoretically reduces resistance 40%.
Technical specification for three phase pole mounted microprocessorbased controlled automatic circuit reclosers for distribution networks 4. General arrangment for three pole structure for long span. The cap shall be manufactured according to the dimensions given in figs 1 2. Central station where power is generated by 3phase alternators. Photo courtesy of nhpuc overhead transmission lines are typically placed on larger structures and elevated higher above the ground than common distribution circuits. Estimating of a pole mounted substation prepared by. Wood pole substations are inexpensive, and can easily use wire bus structures. Based on the number of poles, the breakers are classified as sp single pole spn single pole and neutral dp double pole tp triple pole tpn triple pole and neutral 4p four pole 1. Determines pole open or closed positions allows independent pole operation provides positive pole position feedback to the ovr control unit double break, galvanically separate contacts selfcleaning contacts through wiping action contact position and internal mechanism easily viewed through the housing.
With the help of latest machinery, this structure is manufactured under the strict supervision of our quality experts in compliance with set global markets. The connectivity and phase of all line connections shall be recorded on the. This bulletin is an update and revision of previous rea bulletin 651, design guide for rural substations revised june 1978. 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.