Kuisa nzvimbo yekudzivirira shiri spike:

Zvinonyanya kukonzera kukanganisa kukanganisa shiri ndeye shiri flashover, pfupi dunhu redema dendere zvinhu, pfupi dunhu reshiri muviri, etc. Pakati pavo, rwendo rwemutsara rwakakonzerwa neshiri huru dzemvura dzakadai semhuri yeHeron uye stork mhuri pashongwe inenge 90. % yemhosva yekukuvadzwa kweshiri patambo yekufambisa, chinova ndicho chikonzero chikuru cherwendo rwune chekuita neshiri.Kupfupika kweshiri nest material uye gedhi redunhu rinokonzerwa neshiri body short circuit rinonyanya kuitika mumutsetse wekugovera.Naizvozvo, chinhu chakakosha chekudzivirira kukuvara kweshiri ndechekudzivirira kukuvara kweshiri kunokonzerwa neshiri huru.Kudzivirira kuruma kweshiri i "simbi tsono" yakaiswa pashongwe.Chinangwa ndechekudzivirira shiri huru kufamba pamusoro peshongwe, kuitira kuti uwane chinangwa chekubvisa shiri flashover.Anti bird spike inonyanya kushandiswa kudzivirira flashover ye110 kV kusvika 500 kV mitsetse yekufambisa.