Nn220 kv switchyard protection pdf

Design, procurement and construction of century power. A substation is a part of an electrical generation, transmission, and distribution system. Play now summary this 43minute video covers basic safety principles and practices applicable to substation and switchyard maintenance work. This switchyard is heart of the orissa grid for which state load dispatch center sldc was. 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. 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. Pgcil, new delhi 400220 kv gis substation with central. Report on industrial summer training on 220 kv substation. Study of substation equipment and protection seminar. Bushings insulating bushing current transformers operating mechanism c. 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.

Nominal system voltage kv highest system voltage kv phase and earth mm between phases mm safety clearance mm ground clearance mm 11 12. Construction of substation 1103510 kv kotor and 110 kv. Safety in substations and switchyards instant video. Substations generally have switching, protection and control equipment, and. The operations and equipment are essentially all at the same voltage level. Soa repository artifact model and protocol user interface sramp ui project documentation. 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. 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. What is the difference between a substation and a switchyard. Fundamentals of electrical substations and switchgear. This project overall view of 220kv switch yard in dr.

A 500kv ais switchyard rejuvenation in british columbia using hybrids. Design guide for rural substations usda rural development. Substations transform voltage from high to low, or the reverse, or perform any of several other important functions. It changes the voltage up or down for transmission or distribution. The foundations were constructed over piles as site. Setting procedures are only discussed in a general nature in the material to follow. Evaluation of a centralized substation protection and control. Substation packager substation products corporation.

Chapter8 switchyard equipment hv bus bars, switchyard. A switchyard connects and disconnects lines on the grid for various reasons. Electrical clearance in substation electrical notes. Via inplace elevation of substation structures and equipment pdf. Substation lightning protection and earthing standard.

The balance 8 bays in 220kv system commissioned during 197983. Today, conventional substation protection and control systems are of a widely distributed. Presentation on industrial training in 220kv substation ig nagar, jaipur on the topic operation and maintenance of ehv equipment and trannsmission system. 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. A 500kv ais switchyard rejuvenation in british columbia. 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. Supply and install gantries and bus conductors for the 220 kv switchyard extension along. Turnkey 400 kv 220 kv greenfield substation with 5 bays at 400 kv and 7 bays at 220 kv.

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. Training report on 4002202 kv switchyard in india design and engineering. 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. Lightningproduced extreme voltage spikes in incoming power lines can damage electrical appliances.

A switchyard or substation, consisting of large breakers and towers, is usually located in an area close to the plant. Sn29736psuppliers, a trading hub for brokers, merchandisers and distributors to trade sn29736p and all kinds of electronic components. Study of substation equipment and protection seminar reportpdfppt download these may be hydro, thermal, atomic etc. A project report on operational description of 400kv switch yard at under the guidance of sri. 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. Commissioning of chimtala 220 kv switchyard extension. It describes electrical, chemical, and personal hazards that may be encountered in substations and switchyards. Design study for 3311 kv substation, distribution and. 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. The substation is used as the distribution center where. Business process management functionality has been added to switchyard via the bpm component the bpm component leverages jbpm 5 currently version 5. Technical specification for design, supply, installation. Mipsycon 2012 simplifying protection system design for. 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.

If an internal link led you here, you may wish to change the link to point directly to the intended article. The business process is a help desk workflow, and is available in the quickstarts git repository under. A circuit breaker is used as a protection device to interrupt fault currents. Fundamentals of modern electrical substations part 1. A distribution substation transfers power from the transmission system to the. Centralized substation protection and control ieee psrc. This disambiguation page lists articles associated with the title switchyard. Create a new interface by clicking the interface link. This opens a wizard prompting for details about the component. The switchyard is basically integration of several electrical equipments suitably.

Contents abstract switchyard definition switchyard equipment relays protection schemes of relays switchyard emergencies plan of actions of switchyard. As the voltages in the grid have magnitudes of several hundred kilovolts in the national power. Protection system design for substation free download as powerpoint presentation. Lm2907n, lm2917n sn29736p1 datasheet snas555c june 2000revised march 20. They are widely used to sectionalize power systems see fig. Solution all risk to execute by due date on abb abb typical conventional switchyard design met budget and time frame. 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. This opens the standard eclipse new interface wizard. A general procedure for responding to imminent dangers and accident. 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. Figure 1 existing substation with 220 kv breaker and a half and 110 kv double bus. 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.

Distribution voltages are typically medium voltage, between 2. The fill for embankment ranges up to 27 feet in depth and the cut for excavation ranges up to 24 feet in depth. Operational description of 400kv switchyard ntpc ramagundam rstps 1. Operational description of 400kv switchyard ntpc ramagundam. In order to ensure the proper functioning of substations and related equipment such as linemounted switches and capacitors, most. Switchyard substation upto 400kv have generally been installed in the country. Substation, its function and types an electrical substation is an assemblage of electrical components including busbars, switchgear, power transformers, auxiliaries etc. Why are you not giving an equation in pdf file i want all the equation which is not shown in pdf file of design study for 3311 kv substation, distribution and protection in the city of kenya so what can i do reply. 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. Mediumvoltage shielded power cable 2 kv up to 35 kv 570.

Sealed applications shall be delivered to the address below on or before prequalification closing date as shown below. Final under the hood to accomplish this to illustrate this new functionality, a new quickstart demo has been created. Nttps is constructed in such a way that every one understand about the construction and working of 220 kv switch yards and its equipments. 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. Design, installation, testing and commissioning of switchyard 2 kv, 220 kv, 400 kv and 765 kv procurement and supply of circuit beakers, plcc system, isolators, transformers, insulators, busbars, hardwares, marshalling kiosks and earthing, among others. In the switchyard editor, drag the bean tool from the components section of the palette onto the canvas. Iocsewp personnel access to electrical rooms and substations version 1 this document is uncontrolled if printed. Exampleservice, any other details and press finish. Benefit increase system reliability able to bring needed capacity into system prior to summer peak. Substation and switchyard both are different and these two switchyard is the inter connector between generation and transmission, and same voltage is mentained in switchyard, substation is the inter connector between transmission and distribution. Substation products corporation is a international supplier of substation structures and electrical equipment. Report on industrial summer training on 220 kv substation 1. The following were the members of the substation protection subcommittee of.

124 1 1198 1199 720 939 24 198 183 1369 1536 1075 371 800 950 336 299 841 1451 759 28 1045 573 978 1539 1648 91 429 323 590 1417 1592 1064 484 1308 1443 1199 24 1273 1362 448 408 1012 648 49 321 148