摘要：More and more applicat.ons of ZnO arrest.r in elect.ical syst.m experienced more *** t.ing,t.at.is st.ll under some invest.gat.on,is t.e effect.of mult.ple light.ing st.ik. t. t.e performance of ZnO *** we k.ow,t.e design of ZnO arrest.r for t.ansmission syst.m and for dist.ibut.on syst.m differs in t.e point.of view of t.e number of ZnO *** syst.m,due t. it. higher nominal volt.ge t.an dist.ibut.on syst.m,has more numbers of ZnO block. inside an arrest.r *** t.rm of t.e current.rat.ng of an arrest.r,it.is found t.at.t.ere is some different.value of t.e current.*** current.rat.ng of an arrest.r inst.lled closer t. elect.ical subst.t.on is higher t.an t.at.of some furt.er away from t.e *** t.e respond of a light.ing impulse st.ik.,t.e arrest.r will let.a high value of impulse current.*** t.nds t. heat.t.e ZnO mat.rial of t.e *** t.e number of impulse st.ik. is quit. high t.en it.may give t.e effect.t. t.e change of t.e arrest.r *** condit.on will endanger t.e equipment.t.at.is prot.ct.d by t.e arrest.r from light.ing *** t.is research,t.e scope of work.is limit.d t. mak.ng an impulse current.generat.r t.ward t. one having 8/20 μs *** k.nd of impulse current.wave-shape is t.e one t.at.is used for st.dying t.e performance of ZnO *** effect.of t.e induct.nce and capacit.nce of t.e impulse current.generat.r were also st.died.A 10 fused cut.out.was blown by an impulse having 10321 A of 17.8/37.8 μs.A ZnO arrest.r block.brok.ndown/allowed large value of current.:10982 A flowing under t.e volt.ge of 10.5