Substations are used to branch from one or several incoming lines, into several outgoing lines that have their paths and connect with other substations at the same or different voltage levels. They are also equipped with circuit breakers to protect the distribution system, and can be used to control the flow of current in various directions. It takes more than 100 substations, 4,800 miles of transmission lines including a unique HVDC transmission line, and strategically located technicians to meet the daily needs of our 28 member cooperatives. This transmission grid is often called the bulk power system. I am also responsible for staff who prepare assessments of … In Alberta, we provide transmission services to the Alberta Electric System Operator (AESO) and distribute approximately 13% of Alberta's provincial electricity consumption to over 360,000 residential and 37,500 commercial and industrial end users. The MN PUC approved approximately 175 miles of the 240-mile route for the sections between the Brookings County, South Dakota substation and the new Cedar Mountain substation in Renville County and between the new … Using existing transmission corridors to increase the capacity of the grid has, to date, not been a policy priority for the Federal Regulatory Energy Commission (FERC), which has instead focused on defining new National Interest Electric Transmission Corridors under the 2005 Energy Policy Act . This metadata record describes both data sets. Subtransmission is that part of the utility system which supplies distribution substations from bulk power sources such as large transmission substations or generating stations. Live lines will radically improve the communication infrastructure. Transmission substations use tapped transformers that step up the voltage to a predetermined level. Minnesota Power's transmission and distribution components include 8,742 miles of lines and 164 substations. Many large rivers and bays hydrologically related to coastal waters were considered part of the coastline to make this data set as detailed and complete as possible. Through the Minnesota and South Dakota Public Utility Commissions, Xcel Energy requested and was granted permission to construct the two Transmission lines along with two new substations to capture the power produced by several new wind generation projects and enable Xcel to use and export the power to other areas of the state. The Minnesota Electric Transmission Mapping Project has developed two geographic information system data sets: transmission lines and substations. In much the same way highways get congested with more traffic, transmission lines get congested and cannot transport additional power. The electric transmission network information consists of transmission lines, with associated substations, designed to handle 60 Kilovolts or greater. Substations can either “step down” or “step up” high- or low-voltage electricity to prepare it for further transmission or distribution. Existing transmission lines and substations in the southern part of the province do not have the capacity . provides new construction, maintenance & inspection services for underground and overhead distribution power lines all in house. In 2002, each electric utility company was mailed a request for their facility information which could be provided in either digital or paper form. The Minnesota Department of Natural Resources (DNR), as the Responsible Governmental Unit for environmental review of the Scenic 69-kv Transmission Line and Substation Project, located in Itasca County Minnesota, has issued a Record of Decision regarding the Need for an Environmental Impact Statement for the project. This data set includes taps, a location where power on a transmission line is tapped by another transmission line. Additionally, a 230 kV line from Manitoba to the Northeast Zone crosses the northeastern corner of this zone and provides power to local loads. Substations are used to condition electricity as it moves through the grid. Transmission substations integrate transmission lines into a network with multiple parallel interconnections, so that power can flow freely over long distances from any generator to any consumer. While this practice may reduce aesthetic and other impacts, it may increase others. Power Lines. to connect power generated from new wind farm projects. The electric transmission network information consists of transmission lines, with associated substations, designed to handle 60 Kilovolts or greater. Substations are facilities and equipment that switch, transform, or regulate electric voltage. OVERHEAD LINES AND SUBSTATIONS Don Barrett, Wildlife and Asset protection Product Manager, TE Connectivity assetprotection@te.com First published at the INMR CONGRESS 2015 ENERGY /// WILDLIFE AND ASSET PROTECTION WHITE PAPER . Its purpose is to expand the electric transmission grid to ensure customers continue to receive reliable, low-cost electricity. Minnesota Power's transmission network is interconnected with the transmission grid to promote reliability and is part of a larger regional transmission organization called the Midcontinent Independent System Operator (MISO). In this figure, high voltage transmission line enters a substation on the left. Several different subtransmission systems can supply distribution substations. Common subtransmission voltages include 34.5, 69, 115, and 138 kV. The Minnesota Electric Transmission Mapping Project has developed two geographic information system data sets: transmission lines and substations. Transmission lines and corresponding transformers, typically at high voltages of 750 kilovolts, 500 kilovolts, 230 kilovolts, 115 and 69 kilovolts, are known as transmission system. Monitoring equipment for electric and magnetic fields have improved considerably in recent years. The maximum induced electric field in the network will be realized when most of the transmission lines are aligned with the electric field. Underground Electric Transmission Lines It is a common practice in residential areas to place low-voltage distribution lines underground. This figure illustrates substations at various voltage levels and branching of power lines. This feature class/shapefile is for the Homeland Infrastructure Foundation Level Database (HIFLD) (https://gii.dhs.gov/HIFLD) as well as the Energy modelling and simulation community. 3 to file maps with the Minnesota Public Utilities Commission identifying their Electric Utility Service Areas (EUSA). Distribution. In the mid-1970s all electric distribution utility companies operating in Minnesota were directed by Minnesota Statutes 216B.39, subd. The primary voltage level is normally between 4.16 kV and 34.5 kV. Power lines or transmission lines, such as those in Figure 1, transport electricity from place to place. Electric substations with equipment used to convert high-voltage, extra-high-voltage (EHV), or ultra-high-voltage (UHV) transmission lines to the intermediate voltage sub-transmission lines or to switch sub-transmission circuits operating at voltages in the range of 34.5 kV to 161 kV are referred to as sub-transmission substations. 19 shows the transmission lines and substations in the Cartesian plane with corresponding longitude and latitude coordinates. Off-line and live-line installations Live-line installation of OPGW is essential when the power line cannot be shut down, for example, to keep a communication link between substations. 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