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********* TYPES OF SURGE ARRESTERS USED IN RAILWAY APPLICATIONS *********
ABB LTD Switzerland Producing Surge Arresters for WAP-5,WAP-7 & WAG-9 Locomotives and other Railway Applications.
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Brief Details: ABB Switzerland is a producer and developer of AC / DC surge arresters for railway installations and applications. They are a high-end specialist in the newest metal oxide technology (both AC / DC)...
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in all fixed and rolling stock installations. All ABB arresters for railway applications incorporate the latest metal-oxide technology (both AC and DC) and thus offer the best possible protection.
Function of Surge Arresters in Railway Applications: Reliable and effective protection against over-voltages (atmospheric and switching) on contact wires and locomotives is most important in the smooth and constant running of the trains. To this end, ABB offers a wide range of surge arresters specially designed and tested to live up to the very specific requirements for railway applications.
TYPE OF SURGE ARRESTERS Produced by ABB:
1 METAL OXIDE TECHNOLOGY AC / DC SURGE ARRESTERS
2 SILICONE RUBBER HOUSED SURGE ARRESTERS
Advantages of Surge Arresters of ABB:
There are many advantages to ABB's AC / DC surge arresters, including:
Low residual voltage
Long protection distance
High energy input capacity
Stable U-I characteristics even after multiple strokes
Proof against ageing
Explosion and shatter-resistant design
Pollution resistance and UV stability
Housing resistant to rough handling
Maintenance free
Stable against shock and vibration
High mechanical resistance
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AC and DC Surge Arresters for Railway Applications
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POLIM-H .. ND are designed for DC railway applications and can be mounted either on the locomotives or in the overhead lines.
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Voltage limiting device for use in DC traction systems, for personal protection (touch voltages) and protection of equipment (over-voltage protection)
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