Po\u017e\u00e1ry elektrick\u00e9ho proudu zanech\u00e1vaj\u00ed p\u0159i sv\u00e9m \u0161\u00ed\u0159en\u00ed stopy a soudn\u00ed znalci z oboru po\u017e\u00e1rn\u00ed ochrany je co nejobjektivn\u011bji \u010dtou, aby ur\u010dili povahu a p\u016fvod po\u017e\u00e1ru. Typ po\u0161kozen\u00ed, kter\u00e9 po\u017e\u00e1r zp\u016fsobil na elektrick\u00e9m syst\u00e9mu, m\u016f\u017ee pouk\u00e1zat na to, jak po\u017e\u00e1r vznikl. Po\u0161kozen\u00ed elektrick\u00fdm obloukem a taven\u00edm jsou v syst\u00e9mech zni\u010den\u00fdch po\u017e\u00e1rem b\u011b\u017en\u00e1, ale jak\u00e9 jsou mezi t\u011bmito dv\u011bma typy po\u0161kozen\u00ed rozd\u00edly?<\/p>\n\n\n\n
K po\u0161kozen\u00ed elektrick\u00fdm obloukem doch\u00e1z\u00ed v elektrick\u00e9m syst\u00e9mu, kdy\u017e elekt\u0159ina proud\u00ed ve vzduchov\u00e9 meze\u0159e mezi dv\u011bma neuzemn\u011bn\u00fdmi vodi\u010di s velmi rozd\u00edln\u00fdm nap\u011bt\u00edm. . zkrat<\/a> m\u016f\u017ee v\u00e9st k obloukov\u00e9mu z\u00e1blesku nebo dokonce k v\u00fdbuchu oblouku.<\/p>\n\n\n\n K po\u0161kozen\u00ed taveninou p\u0159itom obvykle doch\u00e1z\u00ed v syst\u00e9mech s vysok\u00fdm pr\u016ftokem elektrick\u00e9ho proudu. Sou\u010d\u00e1sti a vodi\u010de se mohou p\u0159eh\u0159\u00edvat od elektrick\u00e1 z\u00e1t\u011b\u017e<\/a> a nakonec za\u010dnou t\u00e1t.<\/p>\n\n\n\n . obloukov\u00fd z\u00e1blesk je obvykle doprov\u00e1zen jasn\u00fdm z\u00e1bleskem.<\/a> sv\u011btla a hlasit\u00e9ho zvuku. Zanech\u00e1v\u00e1 za sebou vzor z kor\u00e1lkov\u00fdch kousk\u016f sp\u00e1len\u00e9ho nebo roztaven\u00e9ho kovu, kter\u00e9 forenzn\u00ed in\u017een\u00fdrsk\u00e9 slu\u017eby<\/a> m\u016f\u017ee analyzovat a zjistit p\u0159\u00ed\u010dinu po\u017e\u00e1ru.<\/p>\n\n\n\n Po\u0161kozen\u00ed zp\u016fsoben\u00e9 t\u00e1n\u00edm nen\u00ed tak dramatick\u00e9 a okam\u017eit\u011b z\u0159ejm\u00e9. \u010cast\u00fdm c\u00edlem taven\u00ed jsou v\u0161ak sou\u010d\u00e1sti, kter\u00e9 jsou obaleny plastem nebo izolac\u00ed, a mohou po sob\u011b zanechat lepkav\u00e9 zbytky roztaven\u00e9ho plastu.<\/p>\n\n\n\n Rozli\u0161en\u00ed mezi obloukem a taven\u00edm je slo\u017eit\u00e9 a vy\u017eaduje znalost odborn\u00edk<\/a> k vyhodnocen\u00ed materi\u00e1lu.<\/p>\n\n\n\n Po\u0161kozen\u00ed elektrick\u00fdm obloukem m\u016f\u017ee b\u00fdt zp\u016fsobeno voln\u00e9 spoje,<\/a> vadn\u00e1 elektroinstalace, po\u0161kozen\u00e1 izolace nebo vystaven\u00ed vlhkosti. N\u011bkter\u00e9 fyzick\u00e9 p\u0159\u00edznaky po\u0161kozen\u00ed m\u011bd\u011bn\u00e9ho vodi\u010de elektrick\u00fdm obloukem jsou:<\/p>\n\n\n\n Po\u0161kozen\u00ed taveniny m\u016f\u017ee b\u00fdt zp\u016fsobeno p\u0159et\u00ed\u017een\u00edm, zkraty,<\/a> p\u0159ep\u011bt\u00ed nebo vystaven\u00ed vysok\u00fdm teplot\u00e1m. N\u011bkter\u00e9 fyzick\u00e9 p\u0159\u00edznaky po\u0161kozen\u00ed m\u011bd\u011bn\u00e9ho vodi\u010de taveninou jsou:<\/p>\n\n\n\n Oblouk m\u016f\u017ee b\u00fdt pro elektrickou instalaci zni\u010duj\u00edc\u00ed.<\/a> syst\u00e9mu, pokud nen\u00ed za\u0161krtnuto. Tyto str\u00e1nky obloukov\u00e9 z\u00e1blesky<\/a> a v\u00fdbuchy mohou zp\u016fsobit exploze a rozs\u00e1hl\u00e9 po\u017e\u00e1ry ve va\u0161em za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n Po\u0161kozen\u00ed zp\u016fsoben\u00e9 taven\u00edm je sice m\u00e9n\u011b nebezpe\u010dn\u00e9 pro cel\u00fd syst\u00e9m, ale to neznamen\u00e1, \u017ee s sebou nenese \u017e\u00e1dn\u00e9 nebezpe\u010d\u00ed. Roztaven\u00e9 vodi\u010de a sou\u010d\u00e1sti mohou zp\u016fsobit porucha jedn\u00e9 nebo v\u00edce \u010d\u00e1st\u00ed va\u0161eho elektrick\u00e9ho za\u0159\u00edzen\u00ed<\/a> syst\u00e9m. Jakmile se tyto sou\u010d\u00e1sti roztav\u00ed, nen\u00ed mo\u017en\u00e9 je opravit; pro zv\u00fd\u0161en\u00ed celkov\u00e9 bezpe\u010dnosti syst\u00e9mu je mus\u00edte vym\u011bnit v pln\u00e9m rozsahu.<\/p>\n\n\n\n Pokud si v\u0161imnete po\u0161kozen\u00ed elektrick\u00fdm obloukem nebo taveninou v okol\u00ed va\u0161eho elektrick\u00e9ho syst\u00e9mu, zva\u017ete mo\u017enost p\u0159izvat soudn\u00edho znalce, aby m\u00edsto zkontroloval. Mezi nimi je n\u011bkolik z\u00e1sadn\u00edch rozd\u00edl\u016f typy elektrick\u00fdch za\u0159\u00edzen\u00ed<\/a> po\u0161kozen\u00ed, ale i tak byste m\u011bli ob\u011b nebezpe\u010d\u00ed co nejl\u00e9pe zm\u00edrnit, abyste zachovali bezpe\u010dnost. Kontaktujte spole\u010dnost Dreiym Engineering a z\u00edskejte v\u00edce informac\u00ed o na\u0161\u00ed spole\u010dnosti forenzn\u00ed in\u017een\u00fdrsk\u00e9 poradenstv\u00ed<\/a> slu\u017eby.<\/p>","protected":false},"excerpt":{"rendered":" Electrical fires leave a trail of evidence as they spread, and forensic fire experts read that trail as objectively as possible to determine the nature and origin of the blaze. The type of damage the fire caused to the electrical system can point to how it started. Arcing and melting damage are common in systems […]<\/p>\n","protected":false},"author":8,"featured_media":2082,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_mbp_gutenberg_autopost":false,"_pgmb_is_evergreen":true,"_pgmb_ap_template_id":0,"iawp_total_views":365,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-2084","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electrical"],"acf":[],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\tVizu\u00e1ln\u00ed vzhled<\/h2>\n\n\n\n
Jak rozeznat po\u0161kozen\u00ed zp\u016fsoben\u00e9 elektrick\u00fdm obloukem<\/h3>\n\n\n\n
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Jak rozeznat po\u0161kozen\u00ed zp\u016fsoben\u00e9 taven\u00edm<\/h3>\n\n\n\n
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Potenci\u00e1ln\u00ed z\u00e1va\u017enost<\/h2>\n\n\n\n