The aim of overvoltage protection is to guarantee an uninterrupted supply of electrical energy with high voltage stability to the greatest degree possible. Exlim is abbs family of porcelainhoused arresters that offer secure protection. It consists of a current sensor with selectable cable lengths and a display device which can be mounted separately from the arrester. Surge protection for ac rotating machines ge grid solutions. The msp is a surge protection suitable for voltages between 2. Buylog catalog 243 capacitors, arresters and harmonic filters rev. For use when requirements of lightning intensity, energy capability and pollution are moderate. Depending on your application you may want to select a tvss unit with additional options. To overcome the harsh desert conditions, petroleum development oman pdo installed abbs high voltage switchgear with composite, silicone rubber insulation to improve the reliability of power supply. Surge protection seminar outline 1 what is an arrester. This document is an informative guide intended to assist in achieving a better understanding of cybersecurity, typical cybersecurity challenges, and the measures required to protect the reliability, integrity, and availability of variable speed drive systems against unauthorized access or cyberattacks. Station class siliconehoused arresters xps 3 nameplate directmolded construction abb s type xps surge arrester consists of high performance metal oxide disks molded in a shatterproof polymer housing.
Pss755esa 35kv 600a elbow surge arrester 755esa ratings. The metal oxide disks are enclosed in a support as. On 60 pages you will find the recent state of technology and documentation. Mvr is a gapless abb surge arrester with metaloxide resistors designed according to iec. Ge tranquell surge arresters heavy duty distribution classpolymer and riser pole polymer ieeeansi c62. Abbs electrification business has always been at the forefront of innovative. Therefore, the best overall protection for electrical apparatus is provided. Texlim is an ideal choice when lightning intensity, energy capability and mechanical demands are high especially suited for extreme seismic zones. The product family of our surge arresters offers the right solution to any specific need. Polimhm surge arresters are used for the protection of switchgear, transformers and other equipment in high voltage systems against atmospheric and switching overvoltages.
Abbacus metal enclosed capacitor bank introduction 01 1. Abb offers a complete range of surge arresters for high voltage applications comprising of. Surge arrester porcelainhoused exlim a high strength arrester family for line discharge class 2 to 5 and system voltage up to 800 kv exlim is abbs family of porcelainhoused arresters that offer secure protection against overvoltages. Type pexlim surge arresters 72362 kv protection of high voltage. Surge protec on using proper grounding rods and plates and baseline surge arrestors provides the best possible protec on against surge damage due to lightning or other electrical surge events. Abb lovos5 and abb lovos10 low voltage lv surge arresters the principal active element of abb lv low voltage lovos surge arresters is a metal oxide varistor characterised by high nonlinearity at a working voltage mainly a capacity current flows smaller than 1 ma. Safe and reliable protection of electrical equipment. Abb offers a complete range of surge arresters for high and medium voltage applications. Surge arresters are used for protection of electrical equipment from all kind of. The range comprises of ac and dc solutions up to 1,100kv and arresters for special applications like railways, dcvoltage limiting devices and many other purposes.
Sxu 430 053 c020 general information glossary of terms spd surge protection device a device that diverts electrical surges to ground. Reliable long term operating stability since the zinc oxide surge arresters have no gaps, the zinc oxide resistors are exposed to a long. Check insulator withstand capability of the housing use paragraph 8. Assessment of surge arrester failure rate and application studies in hellenic high voltage transmission lines. The arrester provides a lowimpedance path to ground for the current from a lightning strike or switching overvoltage and then restores to a normal operating condition. Mediumvoltage arresters for distribution networks surge. Polimd mediumvoltage surge arresters surge arresters abb. Abb library could not identify a unique document based on the available parameters. Enables installation in your existing cabinetry, for metal oxide varistor mov surge arresters high current, short duration all mov arresters withstand two discharges of 40ka crest. Tvss transient voltage surge suppressor again this is also a surge diverter, but generally for voltages well below volts. Any transient disturbance, such as a lightning stroke terminating on a phase conductor or the operation of a circuit breaker, can be analyzed by use of travelling waves. Application guidelines overvoltage protection metal oxide surge arresters in medium voltage systems. Surge capacitors protect the winding insulation by reducing the steepness of wave fronts applied to or reflected within the machine windings. Overvoltage protection metal oxide surge arresters in medium voltage systems 3 foreword recent state of technology and documentation the first edition of the application guidelines for the dimensioning, testing and application of metal oxide surge arresters mo arresters in medium voltage systems.
Pexlim is abbs family of siliconehoused arresters that offer unique advantages. Application guidelines overvoltage protection metal oxide. 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. Surge arresters and low voltage limiting devices revision. You will find the answers about what input data is needed, what are the service conditions, what is important for the choice and what steps are to be taken to choose correct surge arresters. Catalogue anwendungsrichtlinien ueberspannungsschutz metalloxidableiter in mittelspannungsnetzen. The polims surge arrester now has a new construction to enhance overall lifetime performance. The further development of the products makes it necessary to revise and complete the application guidelines. Flyer with recommended applications for dc railway surge arresters and voltage limiting device hvl. Tvss transient voltage surge suppressor a device that diverts electrical surges to ground. Station class siliconehoused arresters xps 3 nameplate directmolded construction abbs type xps surge arrester consists of high performance metal oxide disks molded in a shatterproof polymer housing.
Surge arresters at line ends and midpoint surge arresters at line ends and two additional locations along the line 2% overvoltage values p. A high strength, compositehoused arrester family for line discharge class 3 to 5 and system voltage up to 800 kv texlim is abb s family of compositetube arresters that offer an ideal alternative to traditional porcelainhoused arresters for protection against overvoltages. Abb surge arresters are the primary protection against atmospheric and switching over voltages. Surge arresters protect the isolation of high and medium voltage equipment from overload and destruction due to over voltage.
The strategic role of electrification is growing, with urbanization and the world forging ahead to create a lowercarbon future, which abb is supporting with digitally. Ge arresters are ideally suited for application in both indoor and outdoor situations. Introduction abbacus metal enclosed capacitor bank abb is the worlds leading capacitor manufacturer. Abb has more than 100 years of experience in designing and manufacturing surge arresters and protection devices. Meets ansiieee standard 386, latest revision and ieee c62. Abb library is a web tool for searching for documents related to abb products and services. All surge arrester equipment in this part of the approved equipment register have been assigned particular approval categories. Abb surge arresters buyers guide edition 5, 200310 a2 introduction safe, secure and economic supply of electricity with abb surge arresters abb surge arresters are the primary protection against atmospheric and switching overvoltages. This buyers guide deals with high voltage surge arresters for standard ac applications.
Mo surge arresters and low voltage limiters mo surge arresters. Abb switchgear ab, surge arrester division, se771 80 ludvika, sweden. Mediumvoltage surge arresters surge arresters are used for protection of electrical equipment from all kind of overvoltages caused by lightening or switching operations. Our permanent research and development and the concerted knowhow in our factories give our surge arresters a leading edge in overvoltage protection. Monitoring devices are available to control the status of the surge arresters in ac systems. The xps now has a new construction to enhance overall lifetime performance. High voltage surge arresters buyers guide abb group. It has been designed to be used with the 430tb or 434tb separable tee connector.
The gap is generally a single air gap in series with the arrester the fundamental difference between this arrester. The manufacturer is not responsible for damage caused by use other than or beyond that for which the surge arrester is intended. Metaloxide mo surge arrester without spark gap, with own abb metaloxide resistors since more than 30 years. Texlim surge arresters are used for the protection of switchgear, transformers and other equipment in high voltage systems against atmospheric and switching overvoltages. When designing arresters for different network voltages, three main characteristics are to be considered. Capacitors, arresters and harmonic filters section 24. The ovr range can be ordered with a safety reserve s in the part number, a. The ge tranquell line of surge arrester products provide excellent protective. Siliconehoused surge arrester of iec class station low sl for ac systems up. Surge arrester designed to protect 12, 24 and 36 kv class components, including transformers, equipment, cable and accessories from high voltage surges resulting from lightning or switching. This competence has led to a fully integrated abb solution known as abbacus, for reactive compensation in medium voltage networks. The mor has roughly the same characteristics as a standard mov arrester.
It provides a surge counting function for registration of overvoltages as well as online monitoring and diagnostics. For other applications, such as series capacitors protection, shunt capacitor protection or dc applications, contact your abb sales representative. Siliconehoused surge arrester of iec class station high sh for ac systems up. Operating instructions for gasinsulated surge arresters type az revision. See the selection chart on the next page 3rd select the tvss options. Porcelainhoused surge arrester exlim highvoltage surge. Surge arresters for distribution networks siemens 3ek distribution class surge arresters are ideally suited for the reliable protection of transformers, circuit breakers, mediumvoltage switchgear and distribution lines. Arresters spd surge protective device this is also a surge diverter, but generally for voltages well below volts. Selection of mo surge arresters english pdf application note. The active elements mo resistors of abb surge arresters are. Siliconehoused surge arrester pexlim highvoltage surge.
Abb lovos low voltage surge arresters presentation surge. Our uncompromising quality ensures the long service life and reliability of each. The zinc oxide arresters are especially suitable for application to low surge impedance system, such as multiple lines, capacitor banks or cable, where conventional sic arresters can hardly be applied satisfactorily. Surge arrester mvr mediumvoltage surge arresters surge. Surge arresters help prevent damage to apparatus due to transient overvoltages. Product overview abb high voltage products surge arresters. Travelling wave phenomena determine the protective distance of mo surge arresters.
Clamp the over voltage down below the bil of the equipment 3. On line arrester condition monitoring and off line arrester field testing a state of the art overview introduction as the demand for more reliable electric service continues to rise, the demand to reduce outages through better system monitoring raises with it. Dimensioning, testing and application of metal oxide surge arresters in railway facilities first edition june 2000 was much welcomed by our customers and other interested persons. File name description padmde1 three phase, ungrounded or single grounded primary system with surge arresters padmde2 three phase, ungrounded or single grounded primary system without surge arresters padmde3 three phase, multigrounded primary system deltawye with surge arresters padmde4 three phase, multigrounded primary system. Mwk mediumvoltage surge arresters surge arresters abb. Type polims surge arresters maximum system voltage. They have a proven fit for protecting transmission lines and transformers, as well as complete switchgear from the hazards of high voltage startup surges, line transients and lightning. It is important to choose the surge arrester based on the application and equipment to be protected. Polimhn mediumvoltage surge arresters surge arresters abb. Abb offers a complete range of surge arresters for high voltage applications comprising of solutions for ac and dc up to 1,100kv as well as special applications. They are generally connected in parallel with the equipment to be protected to divert. Jun 10, 20 abb low voltage surge arresters lovos5 and lovos10 are a new generation of lv surge arresters ensuring electrical protection of overhead lines, electric energy receivers, distributing transformers and low voltage electrical equipment. Abb hochspannungstechnik ag wettingen switzerland elkaz32a288 20 ka 5 a na. Abb s electrification business has always been at the forefront of innovative electrification and today is writing the future of safe, smart and sustainable electrification.
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