Main receiving substation pdf

Stones are provided in the substation to a to avoid fire accident by draining oil from transformer if leaks b to avoid growing of weeds and plants c to provide insulation d all the above. How is main receiving substation power plants abbreviated. Mrs main receiving substation free download as word doc. A substation is a part of an electrical generation, transmission, and distribution system. Owners supply materials osm 3311 kv power transformers, station 330. The grounding system in substation is very important. The input for a distribution substation is typically at least two transmission or subtransmission lines. Eps was responsible for the design of the substation. It has the provision that if power interruption occurs to one bus section due to maintenance or fault, power can be fed the bus from other side of the power system. Substation design volume ii physical layout instructor.

Their main functions are to receive energy transmitted at high voltage from the generating stations, reduce the voltage to a value appropriate for local distribution. In 1980 he was awarded the national prize for his contribution to development of 750 kv ac. Design guide for rural substations usda rural development. Mrss is defined as main receiving substation power plants very rarely. In this article, i will share 18 design studies or calculations that will set you up to create a beautiful substation. Main tasks associated with major substations in the transmission and ditribution system include following. Mrss stands for main receiving substation power plants. Substations equipment maintenance electric power systems. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. Drawing title 25251400 singer substation arrangement plan 25251401 singer substation sections 1 and 2 25251402 singer substation section 3 gis enclosure 25251500 singer substation grading plan 25251501 singer substation foundation plan 25251502 singer substation. Electrical substation components, workings and their functions. Substation maintenance inspection checklist use this substation maintenance inspection checklist to conduct a detailed investigation of each substations equipment.

Presentation upptcl 400kv substation motiram adda, gorakhpur free download as powerpoint presentation. Supply in the package materials have been classified as under i. If you continue browsing the site, you agree to the use of cookies on this website. At receiving station, the level of voltage reduced by stepdown transformers up to. Customer substation manual 6272019 preface page 8 of 82 010. The electrical substation does not have a single circuit but is composed of numerous outgoing and incoming circuits which are connected to a busbar i.

Since i was in uni i am strongly interesting in substation and what its all about and i want to know more about bus bar and circuit breaker and insulator. Main tasks associated with major substations in the. What is distribution substation and its main components. Substation configuration reliability 1 reliability of substation configurations daniel nack, iowa state university, 2005 introduction while one of the strongest points in a power system is the electric substation, it still contains what could be described as weak points or. Bus bar arrangements such as single bus, double bus, double bus with double breaker, main and transfer bus schemes are explained with sketches.

A mini project report on operation and maintenance of 2202kv substation submitted in partial fulfillment for the award of the degree of bachelor of technology in electrical and electronics engineering submitted by v. Maintenance and operation of an electrical substation of. Via inplace elevation of substation structures and equipment pdf. If both the main feeder and t2 face a power cut, the standby emergency diesel generator dg sets of total 42 mva capacity comes online to supply power seamlessly to the essential loads. It is used to switch generators, equipment, and circuits or lines in and out of a system. The facility takes up a whole city block along denny way and features a community center, interpretive exhibits, a dog park, and public art the substation was proposed in the early 2000s, during redevelopment of south lake union into a high.

What is a electrical substation definition, layout, and. Ensure safety to personnel in substations against electrical shocks. As more ied devices are installed to the distribution network, the need for ied management, control, and the corresponding advanced application operation is a growing imperative. Substation substation a station in the power transmission system at which electric power is transformed to a conveniently used form.

What does it take to design a masterpiece of a substation. Unesco eolss sample chapters electrical energy systems components and substations for electrical transmission and distribution systems b. Distribution substation automation in smart grid 65 substation automation sa can provide integral functions to the distribution grid automation. Maintain a record of the most current readings and observations to ensure that all parts, from the main transformer, coolingheating systems, bushings, and tap changer tanks, to.

The following current and former members of the substation subcommittee of the nreca. Protection communication control monitoring tools one of the main advantages of abb substation automation is that it may include building blocks from various product ranges and generations. Components and substations for electrical transmission and. Factors that govern substation layout are described. Prepare for your substation electrician job interview with our 15 interview questions. Guidelines for substation and power distribution systems. It also is used to change ac voltages from one level to another, andor change alternating current to direct current or direct current to alternating current. What is the main and most important purpose of a reactor. High performance and total quality are the major requirements for each building block. The abb substation automation concept has five corner stones.

The key steps in the substation designing include switchingsystem, planning and placing of equipment, selection of components as well as ordering, support of engineers, structural design, the design of electrical layout, protection of relay, and major apparatus ratings. For a detailed outline of maintaining substations and related switchgear assemblies, follow nfpa standard 70b, recommended practice for electrical equipment maintenance, chapter 8. A distribution substation transfers power from the transmission system to the. Unit rate amount 1 3311kv 5 mva power transformer as per the technical specifications of annexureii. Pole mounted substation is the outdoor type cheapest form of substation for voltages not exceeding 33kv in which the equipments are installed overhead on hpole or 4pole structure and electric power is almost distributed in localities through such substation. Distribution substation a distribution substation transfers power from the transmission system to the distribution system of an area. Tikhodeev encyclopedia of life support systems eolss in 1990. Mrs main receiving substation transformer relay scribd. For distribution network ring main busbar scheme is employed. The main considerations taking into account during the design process are. With these available dg sets, dial can supply uninterrupted power to. Appendix c table of contents substation drawings singer substation drawing no. The red bluff substation project near desert center, in eastern riverside county, will help us connect first solars desert sunlight solar farm, and future renewablepower projects in the area, to our transmission grid.

Power substation design calculations a checklist of 18. Substation earthing system grounding system earthing mat. It is uneconomical to directly connect electricity consumers to the main. Distribution feeders transport power from the distribution substations to the end consumers premises. A substation standards control cable color code identification 68. Tender document for noncomprehensive annual operation. Basic substation configurations and the components avo training.

Us5579321a telecommunication system and a main station. A main station for use in a telecommunication system adapted for communication at a predetermined bit rate with substations within the system via a transmission channel on the basis of a multiple access protocol, which channel is at least partially common to the substations, the main station comprising receiving means for receiving ranging. The substation earthing system comprises of a grid earth mat formed by a horizontal buried conductors. Inspection area, receiving will deliver the paper work to the receiving inspector, noting location of the items. The functions of grounding systems or earth mat in include. In a substation surge arrester is located at the starting of the substation as seen from incoming transmission lines and is the first equipment of the substation. Safari substation projects in progress reliability. Substation is integral part of a power system and form important links between the generating station, transmission systems, distribution systems and the load points. For lightly loaded substations connected to the receivingend of long, highvoltage, transmission lines, the voltage may become excessively high due to the ferranti effect. To ensure safety and compliance with local building standards, sce has been working in conjunction with the city of irvine to bring this important project on line. Substation equipment an overview sciencedirect topics. The fence is connected to a separate grounding conductor. That standard explains that in transforming primary power, substations may provide system protection.

Substation construction manual page 2 of 57 reference ni000401r122 ver 3 ergon energy corporation limited abn 50 087 646 062 ergon energy queensland pty ltd abn 11 121 177 802 4. Surge arresters are generally connected between phase conductor and ground. Substation maintenance inspection checklist fulcrum. Pdf maintenance and operation of an electrical substation of 220. The substation consisted of two 14 mva transformers, two 8 kv breakers and nine 12. Presentation upptcl 400kv substation motiram adda, gorakhpur273010. Distribution voltages are typically medium voltage, between 2. The following factors are to be considered in selection the site of an outdoor type substation. Power evacuation, main single line diagram, grid interconnection. The denny substation is an electrical substation located in the south lake union neighborhood of seattle, washington, and operated by seattle city light. Design of 6611kv, 20mva substation before the ratings of various items of equipments in a substation are chosen and their locations in the substation decided it is necessary to draw a. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions.

The station may consist of transformers, switches, circuit breakers and other auxilliary equipment. The substation receives electrical energy directly from generating stations through incoming power supply lines while it delivers electricity to the consumers. Provide for no voltage closing for receiving end breakers and sycnhronosing. The items shall be clearly marked awaiting receiving inspection do not use to prevent unauthorized use until receiving inspection acceptance occurs. Substations a substation is a highvoltage electric system facility. 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 and switching. In a substation surge arrester is located at the starting of the substation as seen from incoming transmission lines and is the first equipment of.

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. Main tasks associated with major substations in the transmission and. Red bluff projects in progress reliability about us. The power transformer, circuit breaker, busbar, insulator, lightning arrester are the main components of an electrical substation. The electrical substation design is a complex method with full of engineer planning. B substation standards typical power circuit breaker wiring diagram sh 1 of 3 69. The safari substation is necessary to ensure that sce can continue to provide reliable service in the area. Surge arresters or lightning arresters discharge the over voltage surges to earth and protect the equipment insulation from switching surges and lightning surges. These feeders serve a large number of premises and usually contain many branches. Substation elements and the system earthing are considered.