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class="source"><span>日期：2024-12-15</span><span>瀏覽：232次</span></p> <div> <p><strong><span style="font-family: 宋體, SimSun; font-size: 16px;">工頻耐壓試驗安全應(yīng)當(dāng)注意的幾個方面</span></strong></p><p><span style="font-size: 16px; color: rgb(0, 0, 0); font-family: 宋體, SimSun;"><span style="color: rgb(0, 0, 0); margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; background-color: rgb(255, 255, 255);">1、做高壓交直流試驗時，必須由2人或2個以上人員參加，并明確做好分工，明確相互間的方法。并有專人監(jiān)護(hù)現(xiàn)場安全及觀察被試品的試驗狀態(tài)； </span><br style="box-sizing: border-box; margin: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; background-color: rgb(255, 255, 255);"/><span style="color: rgb(0, 0, 0); margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; background-color: rgb(255, 255, 255);">2、試驗變壓器和控制箱應(yīng)有可靠的接地； </span><br style="box-sizing: border-box; margin: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; background-color: rgb(255, 255, 255);"/><span style="color: rgb(0, 0, 0); margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; background-color: rgb(255, 255, 255);">3、試驗過程中，升壓速度不能太快，也決不允許突然全電壓通電或斷電； </span><br style="box-sizing: border-box; margin: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; background-color: rgb(255, 255, 255);"/><span style="color: rgb(0, 0, 0); margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; background-color: rgb(255, 255, 255);">4、在升壓或耐壓試驗過程中，如發(fā)現(xiàn)下列不正常情況時，應(yīng)立即降壓，并切斷電源，停止試驗，查明原因后再做試驗。</span></span></p><p><span style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; background-color: rgb(255, 255, 255); color: rgb(0, 0, 0); font-family: 宋體, SimSun; font-size: 16px;">①電壓表指針擺動很大；</span></p><p><span style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; background-color: rgb(255, 255, 255); color: rgb(0, 0, 0); font-family: 宋體, SimSun; font-size: 16px;">②發(fā)現(xiàn)絕緣燒焦的異味、冒煙現(xiàn)象；</span></p><p><span style="font-size: 16px;"><span style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; background-color: rgb(255, 255, 255); font-size: 16px; color: rgb(0, 0, 0); font-family: 宋體, SimSun;">③被測試品內(nèi)有不正常的聲音。 </span><span style="color: rgb(0, 0, 0); margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; font-size: 16px; line-height: inherit; font-family: "microsoft yahei"; background-color: rgb(255, 255, 255);"></span></span><span style="font-family: 宋體, SimSun; font-size: 16px; color: rgb(0, 0, 0);"><br style="box-sizing: border-box; margin: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; background-color: rgb(255, 255, 255);"/></span><span style="font-family: 宋體, SimSun; font-size: 16px;"><span style="font-family: 宋體, SimSun; color: rgb(0, 0, 0);"><span style="font-family: 宋體, SimSun; margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; background-color: rgb(255, 255, 255);">5、試驗中，如果試品短路或故障擊穿，控制箱中的過流繼電器工作，此時，將調(diào)壓器回至零位，并切斷電源后，方可將試品取出。 </span><br style="box-sizing: border-box; margin: 0px; color: rgb(51, 51, 51); font-family: "microsoft yahei"; background-color: rgb(255, 255, 255);"/><span style="font-family: 宋體, SimSun; margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; background-color: rgb(255, 255, 255);">6、進(jìn)行電容試驗或進(jìn)行直流高壓泄漏試驗時，試驗完畢后，將調(diào)壓器降至零位后，并切斷電源，然后，應(yīng)用放電棒將試品或電容器的高壓端對地進(jìn)行放電，以免存留在電容中的電勢發(fā)生觸電危險</span></span><span style="font-family: 宋體, SimSun; margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; background-color: rgb(255, 255, 255);">。</span></span></p><p><span style="font-family: 宋體, SimSun; font-size: 16px;"><span style="font-family: 宋體, SimSun; margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: inherit; background-color: rgb(255, 255, 255);"> </span></span></p><p style="text-align: center"><img style="max-width:800px;max-height:300%;" 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