{"id":2092,"date":"2023-05-17T03:58:57","date_gmt":"2023-05-17T03:58:57","guid":{"rendered":"https:\/\/3.212.105.250\/?p=2092"},"modified":"2025-07-26T16:35:33","modified_gmt":"2025-07-26T22:35:33","slug":"4-metodiky-zkouseni-katodicke-ochrany","status":"publish","type":"post","link":"https:\/\/vm6fr4whzn6.c.updraftclone.com\/cs\/2023\/05\/17\/4-metodiky-zkouseni-katodicke-ochrany\/","title":{"rendered":"4 Metodiky zkou\u0161en\u00ed katodick\u00e9 ochrany"},"content":{"rendered":"

Koroze potrub\u00ed je elektrochemick\u00e1 reakce mezi kovem potrub\u00ed a elektrolytick\u00fdm materi\u00e1lem, obvykle zeminou. Katodick\u00e1 ochrana je navr\u017eena tak, aby t\u00e9to reakci zabr\u00e1nila a zachovala tak celistvost potrub\u00ed.<\/p>\n

Syst\u00e9my katodick\u00e9 ochrany v\u0161ak mus\u00ed b\u00fdt pravideln\u011b kontrolov\u00e1ny pomoc\u00ed r\u016fzn\u00fdch zku\u0161ebn\u00edch metodik, aby se zajistilo, \u017ee st\u00e1le chr\u00e1n\u00ed potrub\u00ed. Dal\u0161\u00ed informace o b\u011b\u017en\u00fdch zku\u0161ebn\u00ed metody<\/a> pou\u017e\u00edvaj\u00ed odborn\u00edci k udr\u017een\u00ed \u010distoty a funk\u010dnosti potrub\u00ed.<\/p>\n

V\u00fdstupy usm\u011br\u0148ova\u010de<\/h2>\n

Syst\u00e9my katodick\u00e9 ochrany s impulzn\u00edm proudem (ICCP) pou\u017e\u00edvaj\u00ed usm\u011br\u0148ova\u010de k p\u0159evodu st\u0159\u00eddav\u00e9ho proudu na stejnosm\u011brn\u00fd, aby se zabr\u00e1nilo korozi. Kdy\u017e se\u00a0specialista na katodickou ochranu<\/a>\u00a0p\u0159ijede otestovat v\u00e1\u0161 syst\u00e9m a pomoc\u00ed voltmetru zm\u011b\u0159\u00ed v\u00fdstup na t\u011bchto usm\u011br\u0148ova\u010d\u00edch. Pokud je pot\u0159eba v\u00fdstup upravit pro optimalizaci. katodick\u00e1 ochrana,<\/a> odborn\u00edk m\u016f\u017ee prov\u00e1d\u011bt nastaven\u00ed s jemn\u00fdm nebo hrub\u00fdm nastaven\u00edm kohout\u016f.<\/p>\n

Pr\u016fzkum potenci\u00e1lu v bl\u00edzk\u00e9m intervalu (CIPS)<\/h2>\n

Pokud n\u011bkter\u00e9 \u010d\u00e1sti potrub\u00ed nejsou dostate\u010dn\u011b chr\u00e1n\u011bny, re\u017eim testov\u00e1n\u00ed CIPS tyto oblasti lokalizuje. Tester um\u00edst\u00ed referen\u010dn\u00ed elektrody v p\u011btimetrov\u00fdch intervalech pod\u00e9l potrub\u00ed; mezit\u00edm je v\u00fdstup ka\u017ed\u00e9ho usm\u011br\u0148ova\u010de synchronizov\u00e1n tak, aby cyklicky p\u0159ech\u00e1zel mezi sv\u00fdm zapnut\u00fdm a vypnut\u00fdm nastaven\u00edm. Str\u00e1nka testovac\u00ed specialista m\u011b\u0159\u00ed korozi potrub\u00ed na p\u016fd\u011b<\/a> potenci\u00e1l v ka\u017ed\u00e9m intervalu pomoc\u00ed vysokoimpedan\u010dn\u00edho voltmetru.<\/p>\n

V\u00fdstupn\u00ed galvanick\u00fd anodov\u00fd proud<\/h2>\n

Pro zji\u0161t\u011bn\u00ed stavu anody pou\u017e\u00edvaj\u00ed odborn\u00edci na testov\u00e1n\u00ed katodick\u00e9 ochrany n\u00e1sleduj\u00edc\u00ed metody.\u00a0voltmetr<\/a>\u00a0k m\u011b\u0159en\u00ed potenci\u00e1lu anody pod nap\u011bt\u00edm. Jak se anoda v pr\u016fb\u011bhu \u010dasu spot\u0159ebov\u00e1v\u00e1, jej\u00ed potenci\u00e1l otev\u0159en\u00e9ho obvodu se posouv\u00e1 kladn\u00fdm sm\u011brem.<\/p>\n

Pr\u016fzkum ru\u0161en\u00ed st\u0159\u00eddav\u00e9ho proudu<\/h2>\n

Nach\u00e1z\u00ed se va\u0161e potrub\u00ed v bl\u00edzkosti vysokonap\u011b\u0165ov\u00e9ho veden\u00ed st\u0159\u00eddav\u00e9ho proudu? Pokud ano, budete muset nechat syst\u00e9m CP va\u0161eho potrub\u00ed pravideln\u011b testovat, abyste se ujistili, \u017ee st\u0159\u00eddav\u00fd proud nep\u0159isp\u00edv\u00e1 ke korozi nebo bezpe\u010dnostn\u00edm probl\u00e9m\u016fm. Odborn\u00edci na testov\u00e1n\u00ed pou\u017e\u00edvaj\u00ed k referen\u010dn\u00edm \u00fa\u010del\u016fm vysokoimpedan\u010dn\u00ed voltmetr ve spojen\u00ed s p\u016fl\u010dl\u00e1nkem s\u00edranu m\u011b\u010fnat\u00e9ho; pokud jejich \u00fadaje nazna\u010duj\u00ed ru\u0161en\u00ed st\u0159\u00eddav\u00fdm proudem, mohou doporu\u010dit vhodn\u00e9 za\u0159\u00edzen\u00ed k jeho zm\u00edrn\u011bn\u00ed.<\/p>\n

Aby byl syst\u00e9m katodick\u00e9 ochrany va\u0161eho potrub\u00ed ve \u0161pi\u010dkov\u00e9m stavu, nechte jej alespo\u0148 jednou ro\u010dn\u011b kompletn\u011b otestovat. Pokud jsou na va\u0161em potrub\u00ed p\u0159\u00edtomny usm\u011br\u0148ova\u010de, nechte je jednou za dva m\u011bs\u00edce otestovat odborn\u00edky na katodickou ochranu, kte\u0159\u00ed pou\u017e\u00edvaj\u00ed spr\u00e1vn\u00e9 metodiky testov\u00e1n\u00ed. Poznatky z\u00edskan\u00e9 z t\u011bchto test\u016f v\u00e1m mohou pomoci optimalizovat syst\u00e9m CP a udr\u017eet va\u0161e potrub\u00ed v bezpe\u010d\u00ed p\u0159ed koroz\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"

Corrosion on a pipeline is an electrochemical reaction between the metal of the pipes and an electrolytic material, usually soil. Cathodic protection is designed to prevent that reaction from occurring to maintain the integrity of the pipeline. However, cathodic protection systems must be checked regularly using a variety of testing methodologies to ensure they are […]<\/p>\n","protected":false},"author":8,"featured_media":2078,"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":133,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-2092","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\t