96 - 420 kV SH (Class 4) High Voltage Polymer Surge Arresters
Application of POLIPAR Metal-Oxide type Class 4 - SH Polymer Lightning Surge Arresters ( for POWER STATION applications )
>> As a result of over dose voltage and voltage collapse in the system, there exist a load loss on power supply therefore these overvoltage’s causes serious damages the system.
>> This voltage wave which exist in the system is a dangerous situation for modern industry in terms of delicate products in voltage oscillations.
>> It provides protection for control mechanism and transformers against to atmospheric and over switching voltages.
>> It provides high protection for delicate products and equipment according to surge arresters’ usage of system’s installation.
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HY SERIES SH (CLASS 4) HIGH VOLTAGE POLYMER SURGE ARRESTER PROPERTIES
STANDART | : IEC 99-4 TS EN 60099-4 |
NOMINAL DISCHARGE CURRENT | : 20 kA peak |
RATED VOLTAGE | : 96 - 420 kV |
HIGH CURRENTS IMPULSE CAPABILITY | : 100 kA (4/10 µs) |
LINE DISCHARGE CLASS | : 4 - SH |
SHORT CIRCUIT CAPABILITY | : 65 kA |
MINIMUM ENERGY CAPABILITY | : 8.5 kj/kV (Ur) |
HIGH CANTILEVER STRENGTH | : 3000 |
AC SYSTEM FREQUENCY | : 50Hz – 60Hz |
THE ALTITUDE ABOVE SEA | : 3500 + m |
AMBIENT TEMPERATURES | : -55ºC,+65ºC |
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