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This paper presents the results of experimental researching the technical characteristics of metal oxides varistors zinc (V-ZnO) in the 220 kV surge arrester at the National Key Laboratory for High Voltage Techniques - Institute of Energy (HVLAB). The results of experimental researching the peak value of discharge current having a 4/10 s impulse shape which is used to test the stability of the arrester on direct lightning strokes. The voltagecurrent linear characteristics of metal oxides varistor zinc V-ZnO at current on resistor plate of surge arrester. | Results of experimental high current impulse 4 10 s of metal oxide varistors zinc in the high voltage 220KV surge arrester
