The vi characteristic is dependent upon waveshape of the arrester current. The surge arrester block implements a highly nonlinear resistor used to protect power equipment against overvoltages. Seswga 2364e edition 1, 199004 abb hv switchgear asea brown boveri introduction to meet high energy requirements parallel columns of zno blocks have to be used in surge arresters or several arresters have to share the current and thus the energy. Zinc oxide gapless arresters, assembled by stacking zno blocks and placing same in insulating housings. The resistive leakage current of a nonlinear metal oxide resistor is in the order of 5% to 20% of the capacitive current, corresponding to about 10 a to 600 a peak current. Where, i r and v r are the reference current and voltage respectively of the lightning arrester or surge arrester block.
Ieee guide for the application of metaloxide surge arresters. Results of laboratory and field study of several makes of movas of different ratings used in electric transmission systems are presented. This paper presents field experiences with metal oxide varistor surge arresters movas. Simulation of metal oxide surge arrester dynamic behavior. This standard applies to devices for separate mounting and to devices supplied integrally with other equipment. Pdf modern electrical diagnostics for metal oxide surge arresters. Pdf metaloxide surge arresters have dynamic characteristics that are. Abstract metaloxide surge arresters have dynamic characteristics that are significant for overvoltage coordination studies involving fast front surges. Ieee standard for metaloxide surge arresters for ac power. Compared to the heavy light lightning area without arrester, the percentages of inductive faults decrease by 75%. Tasks and operating principles of metaloxide arresters. Pdf simulation of metal oxide surge arresters behavior. Sep 24, 2016 the metal oxide varistor mov is a very fast acting electronic switch. Overvoltage protection metaloxide surge arresters in.
A number of nondestructive and destructive diagnostic techniques for metal oxide surge arrester mosa are discussed in this paper. Ieeeiec lightning arrester arresters for ac and dc applications. Both ends of the arrester part are in contact with the end mounting base, and these end parts are electrically connected to the switchgear and the ground. Us5220480a low voltage, high energy surge arrester for. Simulation of metal oxide surge arresters behavior. If excess voltage exceeds the energy absorption capacity of a surge arrester, the metal oxide blocks can be damaged and cause the surge arrester to fail. Metaloxide surge arrester model for fast transient simulations ipst. On 60 pages you will find the recent state of technology and documentation. The inductance l1 is the inductance associated with magnetic fields in the immediate vicinity of the arresters. The arrester has certain advantages like it eliminate the sparkovers and also the risk of shock to the system.
Eaton s cooper power series elbow arresters provide shielded deadfront arrester protection with metal oxide varistor elbow and parking stand arresters used in padmounted, transformer and entry cabinets, vaults, switching enclosures and other installations. For applications requiring high power dissipation, several columns of metaloxide discs are connected in parallel inside the same porcelain housing. Todays technology for surge arresters intended for use in mediumvoltage systems is the gapless metaloxide surge arrester mo surge arrester with a synthetic. Ieee guide for the application of metal oxide surge arresters for alternatingcurrent systems surge protective devices committee of the ieee power engineering society ieee standards board. This component can be used as a diagnostic tool for condition monitoring of metal oxide arresters. Pdf metaloxide surge arrester model for fast transient simulations. Physical properties of zinc oxide varistors english pdf technical description. Mar 12, 2020 where, i r and v r are the reference current and voltage respectively of the lightning arrester or surge arrester block. The varistor stack must be held under pressure to ensure good. If the inline pdf is not rendering correctly, you can download the pdf file here. Foreword this foreword is not a part of ieee std c62. Transient program emtp to evaluate some metal oxide surge arrester models and verify their accuracy.
This arrester provides protection against all types of ac and dc over voltages. The distinctive feature of an mo resistor is its extremely nonlinear voltagecurrent or uicharacteristic, rendering unnecessary the. Metaloxide surge arresters in highvoltage power systems. Simulation of metal oxide surge arrester dynamic behavior under.
The metal oxide varistor mov is a very fast acting electronic switch. The physical construction of modern high voltage surge arresters consists of metal oxide discs inside a porcelain or. Polymer arrester outline drawings contd porcelain arrester outline drawings mm for specifications on class 3, 4 and 5 ratings, please refer to the tables on pages 7 to 15. The polymerhoused metaloxide riserpole arrester, dynavar type pvr, in the study is assembled with largerdiameter 48mm metaloxide discs.
Zinc oxide surge arrester current sharing consideration technical information publ. Current starts to flow through arrester before the over voltage reaches the peak. Melted metal can fall to the ground and cause a fire. Surge arrester monitoring technique based on leakage current analysis is a conventional monitoring method. Modelling of metal oxide surge arresters in simulation. Harmonics ratios of resistive leakage current as metal. The value of x is 30 to 40 in case of metal oxide block. Mediumvoltage arresters for distribution networks surge.
A new method to extract the resistive component of the metal oxide surge arrester leakage current, ieee international conference on power and energy, 399402 2008. Advantage of surge arrester in transformer the surge arrester protects the transformer and other electrical equipment from lighting and switching surge 20. Comparison of metal oxide surge arrester models in. This paper describes simplified modeling of metal oxide surge arrester mosa to operate analysis. The overvoltage capability of dynavar can be taken advantage of for ungrounded or impedance grounded systems.
Simplified modeling of metal oxide surge arresters sciencedirect. Investigation of diagnostic techniques for metal oxide. The metal oxide varistor mov material 1 used in modern high voltage surge arresters has a highly nonlinear voltage versus current characteristic. Exlim is abbs family of porcelainhoused arresters that offer secure protection against overvoltages. New method for measurement of the resistivive leakage currents of metaloxide surge arresters in service.
Customized metal oxide surge arrester disconnector for. For the first time in arrester testing, the reference voltage of the arrester is used as part of the passfail criteria. Surge arrester combines metal zinc oxide varistor technology in a pre molded rubber elbow to provide overvoltage system protection in an insulated, fully shielded, sub mers ible, deadfront device. Laboratory test data of metal oxide arrester discharge voltage and current have indicated that the.
It was originally develope d as a suspended mounted hvdc valve arrester with several parallel metal oxide columns in a common housing. Application of metal oxide surge arresters for alternatingcurrent systems ieee power engineering society sponsored by the surgeprotective devices committee cj u a 3 published b y the institute of electrical and electronics engineers, inc. For normal system, the voltage and current increases linearly, i. Elbow arresters shielded deadfront protection eaton. Extremely nonlinear characteristics and so do not require any spark gaps. Selection of metal oxide surge arrester characteristics from the standards. More information about the defined internal structure of the surge arrester models and ways for implementing respective vi characteristics are provided. Tge high performance movs blocks,metal oxide arresters. Applicability analysis of simulation model of metal oxide arrester. Metal oxide surge arresters mosas designed to repeatedly limit the voltage surges on 48 hz to 62 hz power circuits v by passing surge discharge current and automatically limiting the flow of system power current are addressed in this standard. Dynavar arrester for this application is the dynavar 84, with dutycycle rating of 108 kv. Metaloxide surge arresters mosas designed to repeatedly limit the voltage surges on 48 hz to 62 hz power circuits v by passing surge discharge current and automatically limiting the flow of system power current are addressed in this standard.
This gapless design eliminates the high heat associated with the arcing discharges. This includes onsite measurements of internal leakage currents of healthy units and laboratory examination of. It is mainly used for overvoltage protection at all voltage levels in a power system. A surge arrester for mounting on a transformer having two linepotential terminals and a neutral terminal. A high strength arrester family for line discharge class 2 to 5 and system voltage up to 800 kv. Metal oxide surge arrester fundamentals 1st edition. Harmonics ratios of resistive leakage current as metal oxide. Development of metal oxide arrester block using a rare. Precise protection is not possible, as the sparkovervoltage varies with polarity, steepness and the shape of the wave. Observations on their breakdown mechanism are summarized. The arrester includes two high energy, low voltage metal oxide varistor disks, each mov disk having one side connected to an electrode that is electrically connected to one of the linepotential terminals and having the other side of the mov disks electrically connected to a neutral.
It has been determined during the research and development of this test that small changes in v ref are a sign of degradation of the varistor material. This means that this volume is once again a handbook on the fundamentals of metal oxide surge arresters in highvoltage systems, reflecting the stateofart in terms of technology and standards. Yongde surge arresters can be applied to a variety of systems including substation equipment, acdc converters, railway power system and power distribution units. Pdf ieee guide for the application of metaloxide surge.
Pdf metaloxide surge arrester fundamentals 1st edition. The polymerhoused metal oxide riserpole arrester, dynavar type pvr, in the study is assembled with largerdiameter 48mm metal oxide discs. Surge arresters and testing keith hill doble engineering company. Application guide dynavar metaloxide surge arrester. Customized metal oxide surge arrester disconnector for over. An arrester having nonline, metal oxide resis tors connected in series andor in parallel without any integrated series or parallel spark gaps. Product overview surge arresters english pdf catalogue abb ability wireless monitor for surge arrester english pdf catalogue application guidelines overvoltage protection metal oxide surge arresters in medium voltage systems english pdf catalogue video with subtitles. Stresses in metal oxide surge arresters due to temporary harmonic overvoltages. Porcelainhoused surge arrester exlim highvoltage surge. Failure study of metaloxide surge arresters sciencedirect. Ieee guide for the application of metaloxide surge. Condition monitoring and deterioration analysis of metal. Zincoxide arrester design and characteristics brief history of arrester technology the first commercially available lightning arrester was developed in the late 1890s by the stanley electric manufacturing company in massachusetts.
English pdf article selection, dimensioning and testing of line surge arresters english pdf. This model is a new model proposed pk model to verify. Metaloxide surge arresters siemens surge arresters and a short overview of the last generation of surge arresters long, flashovers may occur from the grading ring over the neighboring flange to. Zno gapless lightning arrester or surge arrester electrical4u.
Metal oxide surge arrester on sales quality metal oxide. And the inductance is very small, l0 was set a small value, during the impulse current tests, special care was taken to minimize lead inductance. Brito was developed and validated based on mosa electrical behavior in each one of the three operating regions of the zincoxide zno surge arresters, and in a. Pdf this paper describes simplified modeling of metal oxide surge arrester mosa to operate analysis. The metal oxide arresters are without gaps, unlike the sic arrester. The relevant arrester standards and the tests described in these which are in the process of being revised and expanded will be introduced, followed by a detailed explanation of the important electrical and. Easily assembled metal oxide rubber gapless surge lightning arrester with disconnector. Abb surge arresters are made of metaloxide mo resistors without spark gaps directly molded in silicone housing, in grey color, and designed and tested. Pdf application and analysis for surge arrester on. It should enable a reader who is tackling this subject area for. Varistor elements are often made of a metal oxide such as zinc oxide. For applications requiring high power dissipation, several columns of metal oxide discs are connected in parallel inside the same porcelain housing. This causes fault current, and an arc forms at both end fittings of the surge.
Metal oxide varistorsmov metal oxide varistorsmov ac high performance mov high gradient mov high performance dc high performance mov mov for egla. Metal oxide surge arresters are important equipments that apply to power system for protection against switching and lightning overvoltages. Continuous research and development only to meet your requirements. This causes fault current, and an arc forms at both end fittings of the surge arrester. Pdf simplified modeling of metal oxide surge arresters. A lightning arrester is essentially a collection of billions of microscopic junctions of metal oxide grains that turn on and off in microseconds to form a current path from the top terminal to the ground terminal of the arrester. The inductance l1 is the inductance associated with magnetic. It is an open switch to standard system ac voltage and a closed switch to lightning voltages. Protection performance of metal oxide surge arresters. Keywords metal oxide surge arrester, atpemtp, modeling. The substitution of silicon carbide arresters for metal oxide surge arresters has brought benefits to. Lack of proper features and thresholds is most important limitation of this method. Lightning arresters for alternating current systems, part 3.
For normal system, the voltage and current increase. Due to the superior protective characteristics of the pdv65 it is compared throughout the rest of the paper to the siliconcarbide daiv arrester. Belkhiat, simulation of metal oxide surge arrester dynamic behavior under fast. The first edition of the application guidelines for the dimensioning, testing and application of metaloxide surge arresters mo arresters in mediumvoltage systems appeared in 1994 and was written by rene rudolph. Metaloxide surge arresters mosas designed to repeatedly limit the voltage surges on 48 hz to 62 hz power circuits. The arrester which uses zinc oxide semiconductor as a resistor material, such type of arrester is known as a metal oxide surge arrester or zno diverter.