110 kv lightning arrester pdf

Surge and lightning arresters eaton s mission is to improve the quality of life and the environment through the use of power management technologies and services. Introduction traditionally the protection of 110 kv ohl against direct lightning stroke dls to. The dmxn surge arrester is designed to meet the following performance data. Dutycycle voltage rating ieee the designated maximum permissible voltage between its terminals at which an arrester is designed to perform its duty cycle test. Lightning arrester should be located close to the equipment that it is expected to protect. Pexlim zinc oxide surge arresters with silicone polymerhoused insulator. Metal oxide surge arresters for distribution networks up to 110 kv catalogue 2010 energy division. Both arrester survival and equipment protection must be considered in arrester selection. Based on this results, a new application of line arresters and the constructional change of the system is planned. High voltage lightning arresters in delhi, delhi get. This brochure provides you with an overview of lightning and. Video version a device used on power systems above v to protect other equipment from lightning and.

Design of lightning arresters for electrical power systems. Lightning and surge protection basics we dont just want to support you with excellent solutions, but also to be on hand with help and advice. These arresters are recommended for use in the lightning protection zones concept at the boundaries of lpz 0 1 according to iec 121 and en 62305 for lightning current. Simulation of lightning transients on 110 kv overheadcable transmission line using atpemtp. This paper presents a developed simulation model, appropriate for assessment. A higher rated arrester increases the ability of the arrester to survive on the power system, but reduces the protective margin it provides for a specific insulation level. This means that this volume is once again a handbook on the fundamentals of metaloxide surge arresters in highvoltage systems, reflecting the stateofart in terms of technology and standards.

Model study of lightning protection of 110 kv substation. Each piece of electrical equipment in an electrical system needs to be protected from voltage surges. The application and selection of lightning arresters. Arrester rating kv rms 5 6 9 10 12 15 18 21 24 27 30 33 36 mcov kv rms4. Many factors like system voltages, basic impulse insulation level, arrestor rating, station layout. Arrester lead is the combined length of line and ground lead wire in series with the arrester and in parallel.

Type dmxn surge arresters maximum system voltage 2 to. Mediumvoltage surge arresters surge arresters are used for protection of electrical equipment from all kind of overvoltages caused by lightening or switching operations. The source of the lightning was represented by the atp models type15 surge function and type ramp function and the surge arrester was represented by the movtype 92 component. Multichamber looptype arrester for 110 kv ohl lightning. Yongde surge arresters can be applied to a variety of systems including substation equipment, acdc converters, railway power system and power distribution units. The minimum level is known as the basic insulation level bil that must be that of all of the components of a system. Energy stress on transmission line arresters considering the total lightning charge distribution english pdf article. Line arrester application on a 110 kv high alpine overhead. Uhv surge arresters are usually installed in the vicinity of the main electrical equipment in substations to limit lightning and switching overvoltage, thereby protecting the electrical equipment in uhv substations. Abb offers a complete range of surge arresters for high voltage applications. Oem product guide index product type product catalog section page number. Lightning overvoltage performance of 110 kv airinsulated substation b. Type vx arresters for system voltages 500 kv and above have a greater volume of valve element to increase the energy dissipation capability of the arrester, along with a gapped series impedance.

Complete device consists of a base part and pluggable module. Electrical performance of 110kv compound discharge gap. The ge tranquell line of surge arrester products provide excellent protective characteristics. Surge arrester system voltage kv rms commonly applied arrester dutycycle mcov voltage rating kv rms on distribution systems nominal voltage maximum voltage range b fourwire multigrounded neutral wye threewire low impedance grounded three. Type moa rated voltage kvrms mcov kvrms current impulse residual voltage 2ms rectangular current impulse withstand kvcrest 410. To prevent damage to electrical equipment, surge protection considerations are paramount to a welldesigned electrical. Ultrasil polymerhoused varistar type u3 surge arrester. This problem could have affected reliability of this power system by causing an outage to several thousands of. Three phase surge arrester az04d for 145 kv gis, elk04 c english pdf leaflet texlim product note english pdf leaflet surge arrester zno block testing english pdf leaflet high voltage surge arresters product line card english pdf leaflet banner mediumvoltage surge arresters english pdf rollup. Ur kv station class class 4 20,000 amp nominal discharge current, ur kv station class class 5 20,000 amp nominal discharge current, ur 360 kv station class. This includes basic information about engineering and electronics topics.

Pdf pollution performance of 110 kv metal oxide arresters. If the system voltage is 11kv, then the phase voltage will be 11sqrt36. Pollution performance of 110 kv metal oxide arresters article pdf available in ieee transactions on power delivery 122. Lightning arresters effect on power line reliability. Keywords line surge arresters, 110 kv overhead line, high alpine region, lightning outages, backflash. The proper selection and application of lightning arresters in a system involve. The voltage was recorded at the substation 11022 kv and at. Class 5 20,000 amp nominal discharge current, ur 360 kv station class. Lightning and surge protection basics phoenix contact. Singlecircuit 110 kv transmission line with one shield wire entering the airinsulated substation was modeled in emtpatp software. English pdf leaflet high voltage surge arresters product line card english pdf leaflet.

System voltages ll kv arrester ratings kv nominal maximum grounded circuits highlmpedance. The maximum specified energy, given in kjkv of ur, that may be. We provide sustainable solutions that help our customers effectively manage electrical, hydraulic and mechanical power more safely, more efficiently and more reliably. At the core of the raychem hda design is our improved zno varistor. Tov curve a graph that shows the power frequency withstand voltage vs. The lightning arrestors are used for protection of incoming and outgoing line and also of the power transformers from lightning surge as well as from power frequency over voltage. Pdf model study of lightning protection of 110 kv substation. A commonly used lightning protection devices are the metaloxide surge arresters. Highvoltage surge arresters digital asset management. In large substations, arrestors should be installed at takeoff points of the lines and of the terminal apparatus. Metaloxide surge arresters in highvoltage power systems. Ieeeiec lightning arrester arresters for ac and dc applications.

In order to reduce the lightning tripout rate of 110kv transmission line, a kind of 110kv lightning arrester with compound discharge gap is proposed based on the principle of freeofreignition. Tamil nadu transmission corporation limited bharat heavy. Surge arresters overvoltage protection is of key importance. Lightning overvoltage performance of 110 kv airinsulated. For more and more cases surge arresters are applied as transmission line arresters besides the typical application as station arresters line arresters are an effective and economical option to protect existing as well as new transmission lines against lightning overvoltages in order to increase grid reliability and availability of transmission lines. Performed tests confirm feasibility of arresters operation on power lines with fault currents up to 26 ka and allow to consider arrester as an alternative to ground shielding wire. The voltage was recorded at the substation 110 22 kv and at. Metal oxide surge arresters for distribution networks up. Type test on a 110 kv porcelain housed arrester, type y10w102266. Any arrester with uc higher than or equal to the actual system voltage divided by v3 can be selected. Pi description detailed technical description unit quantity 1 390 kv lightning arrester.