A circuit breaker is used as a protection device to interrupt fault currents. Fundamentals of electrical substations and switchgear. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. Today, conventional substation protection and control systems are of a widely distributed. This disambiguation page lists articles associated with the title switchyard. Substation products corporation is a international supplier of substation structures and electrical equipment.
Study of substation equipment and protection seminar reportpdfppt download these may be hydro, thermal, atomic etc. Nominal system voltage kv highest system voltage kv phase and earth mm between phases mm safety clearance mm ground clearance mm 11 12. Play now summary this 43minute video covers basic safety principles and practices applicable to substation and switchyard maintenance work. Between the generating station and consumer, electric power may flow through several substations at different voltage levels. These components are connected in a definite sequence such that a circuit can be switched off during normal operation by manual command and also automatically during abnormal. The following were the members of the substation protection subcommittee of. In switchyard we are using hand gloves to open or close isolator and give a earth switch in 66 kv,2 kv and 220 kv but the rating of gloves is maximum 40 kv then why we using that gloves. Soa repository artifact model and protocol user interface sramp ui project documentation. Technical specification for design, supply, installation. Final under the hood to accomplish this to illustrate this new functionality, a new quickstart demo has been created. Transformer protection application guide this guide focuses primarily on application of protective relays for the protection of power transformers, with an emphasis on the most prevalent protection schemes and transformers. Evaluation of a centralized substation protection and control. It describes electrical, chemical, and personal hazards that may be encountered in substations and switchyards.
Electrical clearance in substation electrical notes. Chapter8 switchyard equipment hv bus bars, switchyard. Industrial summer training report on uttar pradesh power corporation limited 2202 kv substation barahuwa gorakhpur submitted in partial fulfillment of the requirements for the award of degree of bachelor of technology in electrical engineering ee submitted by ashutosh srivastava 75120016 submitted to. Lm2907n, lm2917n sn29736p1 datasheet snas555c june 2000revised march 20. Contents abstract switchyard definition switchyard equipment relays protection schemes of relays switchyard emergencies plan of actions of switchyard. Training report on 4002202 kv switchyard in india design and engineering. The operations and equipment are essentially all at the same voltage level. A 500kv ais switchyard rejuvenation in british columbia. Study of substation equipment and protection seminar. As the voltages in the grid have magnitudes of several hundred kilovolts in the national power. This opens a wizard prompting for details about the component. Design, procurement and construction of century power.
Operational description of 400kv switchyard ntpc ramagundam rstps 1. The substation is used as the distribution center where. This project overall view of 220kv switch yard in dr. Substations generally have switching, protection and control equipment, and.
Safety in substations and switchyards instant video. Kv i 220 kv gis ss comprising 2 numbers feeder bays, 2 numbers 160 mva transformer bays, 1 number bus coupler bays with bus pt as detailed in the schedule of works. The substation features three 8 kv and three 230 kv underground transmission line terminals, with each voltage having two terminals installed initially and the infrastructure installed for a future line. Via inplace elevation of substation structures and equipment pdf. The switchyard is located approximately 850 feet southwest of the right abutment of the dam, and approximately 170 feet higher than the top of the dam. Design guide for rural substations usda rural development. The foundations were constructed over piles as site. Distribution voltages are typically medium voltage, between 2. Lightening arrestors capacitive voltage transformer 400 kv switchyard ntpc safe guards the equipment by discharging the high currents due to lightning and to discharge the high voltage surges in the power system due to lightning to the ground. Construction of substation 1103510 kv kotor and 110 kv. Ingledow 500 kv existing 1 circuit breaker arrangement t4t5 ntc kly bpa hdn bpa 11 10 12 6 7 9 8 5 4 3t2 5mb2 5mb1 cge cb abb cb 3. Pgcil, new delhi 400220 kv gis substation with central. Supply and install gantries and bus conductors for the 220 kv switchyard extension along. Addition of 1 x 160 mva, 220110 kv autotransformer in chimtala 220110 kv substation and equipping the existing 2 x 220 kv spare bays project in chimtala, kabul.
Presentation on industrial training in 220kv substation ig nagar, jaipur on the topic operation and maintenance of ehv equipment and trannsmission system. The switchyard is basically integration of several electrical equipments suitably. Protection system design for substation free download as powerpoint presentation. Fundamentals of modern electrical substations part 1. Substation lightning protection and earthing standard. The fill for embankment ranges up to 27 feet in depth and the cut for excavation ranges up to 24 feet in depth. Commissioning of chimtala 220 kv switchyard extension. Centralized substation protection and control ieee psrc. A switchyard or substation, consisting of large breakers and towers, is usually located in an area close to the plant. A substation is a part of an electrical generation, transmission, and distribution system. A general procedure for responding to imminent dangers and accident. A 500kv ais switchyard rejuvenation in british columbia using hybrids.
Business process management functionality has been added to switchyard via the bpm component the bpm component leverages jbpm 5 currently version 5. If protection fails or is absent, lightning that strikes the electrical system introduces thousands of kilovolts that may damage the distribution lines, and can also cause severe damage to transformers and other electrical devices. Figure 1 existing substation with 220 kv breaker and a half and 110 kv double bus. Answer shubham batham a switchyard is where the power is maintained at same level without change of voltage after generating transformer the power is feed to the switchyard with the help of conductor bar. The construction of ss 1103510 kv kotor skaljari and 110 kv ohl tivat kotor is the project of the connection of one of the most important tourist centers in montenegro to the transmission network, whereby difficulties in power supply would be significantly reduced project implementation includes. This switchyard is heart of the orissa grid for which state load dispatch center sldc was. A distribution substation transfers power from the transmission system to the. Mediumvoltage shielded power cable 2 kv up to 35 kv 570.
Nttps is constructed in such a way that every one understand about the construction and working of 220 kv switch yards and its equipments. Substation, its function and types an electrical substation is an assemblage of electrical components including busbars, switchgear, power transformers, auxiliaries etc. A switchyard connects and disconnects lines on the grid for various reasons. This opens the standard eclipse new interface wizard. Setting procedures are only discussed in a general nature in the material to follow. Lightningproduced extreme voltage spikes in incoming power lines can damage electrical appliances. They are widely used to sectionalize power systems see fig.
The business process is a help desk workflow, and is available in the quickstarts git repository under. The design of the backup protection needs to be coordinated with the design of the primary protection and essentially it is the second line of defence after the primary protection system. Operational description of 400kv switchyard ntpc ramagundam. Report on industrial summer training on 220 kv substation 1. Simplifying protection system design for distribution substations page 2 of designing the wiring from the switchgear to the protection panels, cutting out the old wiring, installing the new panels, installing the field wiring between the switchgear and the relay panels, and installing new doors for the switchgear. Exampleservice, any other details and press finish. Solution all risk to execute by due date on abb abb typical conventional switchyard design met budget and time frame. In order to ensure the proper functioning of substations and related equipment such as linemounted switches and capacitors, most. What is the difference between a substation and a switchyard. A project report on operational description of 400kv switch yard at under the guidance of sri. How new technologies can improve monitoring and control by lourenco teodoro, indusoft substations are a critical component for maintaining electrical supply and load control in low voltage, medium voltage and high voltage electrical distribution networks.
Sn29736psuppliers, a trading hub for brokers, merchandisers and distributors to trade sn29736p and all kinds of electronic components. If an internal link led you here, you may wish to change the link to point directly to the intended article. It changes the voltage up or down for transmission or distribution. Refer to document management system for most up to date version page 2 of 5 an electrical room is a room requiring authorized access, containing electrical. Iocsewp personnel access to electrical rooms and substations version 1 this document is uncontrolled if printed. Substation packager substation products corporation. Switchyard substation upto 400kv have generally been installed in the country. In the switchyard editor, drag the bean tool from the components section of the palette onto the canvas. The balance 8 bays in 220kv system commissioned during 197983. Mipsycon 2012 simplifying protection system design for. Benefit increase system reliability able to bring needed capacity into system prior to summer peak. Sealed applications shall be delivered to the address below on or before prequalification closing date as shown below. Bushings insulating bushing current transformers operating mechanism c. Report on industrial summer training on 220 kv substation.
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