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BS7671 Amendment 2-704 RCD tšireletso: sebopeho le

Tšebeliso ea lisebelisoa tsa motlakase tse sa hlokomeloeng hantle kapa tse siiloeng ke nako libakeng tse kotsi li pepesetsa basebetsi le baeti kotsing ea ho tsosoa ke motlakase, haholo-holo haeba ba kopane ka ho toba le fatše.
Itšetlehe ka li-RCD bakeng sa tšireletso e eketsehileng khahlanong le liphoso.Li-switchboards tse ngata tse teng tse kentsoeng libakeng tsa kaho UK li na le li-AC RCDs.
Li-RCD tsa AC ha lia lokela ho sebelisoa le lisebelisoa tse ngata tsa sejoale-joale tsa motlakase le lisebelisoa tse sebelisoang libakeng tsa kaho, ntle le ho futhumatsa ho ipapisitse le meroalo ea mabone - bona BS7671 Amendment 2.
Litlhokahalo tse akaretsang tsa ts'ebetso ena li fanoa karolong e ka sehloohong ea ts'ebetso ea ho tima motlakase o ikemetseng.Sehlomathiso sa 2 qetellong ea § 531.3.3 e re: "RCD ea mofuta oa AC e tla* sebelisoa feela bakeng sa ts'ebetso ea meaho e tsitsitseng e nang le maqhubu a tsebahalang a se nang karolo ea DC."
Ho tšoaneleha ha lisebelisoa tsa ho beha leihlo le ho laola tse hoketsoeng phepelong ea motlakase oa masimong, haholo lisebelisoa tsa plug-in, ke taba e kholo ea bophelo bo botle le polokeho.Likotsi tse amanang le ho hokahanya lisebelisoa tsa mekhahlelo e meraro mohloling o teng oa matla o sirelelitsoeng ke mofuta o fosahetseng oa RCD ke kotsi e ka bang teng libakeng tsohle tsa UK.Sena se amoheloa 'me se lumelloa ho HD 60364-7-704 2018 Sehlomathiso ZB: Libakeng tsa kaho ea Jeremane le libaka tsa ho senya / Li-sockets tsohle tse 3 tsa mekhahlelo e meraro ho fihlela ho 63 A li tlameha ho sireletsoa ka mofuta oa B RCDS.
Lits'ebetso tsa nakoana: Thepa efe kapa efe e koetsoeng le ho isoa sebakeng se secha kapa e romelloang ho ea nchafatsoa/tokisoa, e tla ipapisa le litlhoko tsa morao-rao tsa polokeho, ke hore, e hlophisoa e le e ncha, 'me e tsamaellana le litlhokahalo tsa hajoale tsa taolo.
Ho hokela lisebelisoa tse ncha: Tataiso ea bophelo bo botle le polokeho (sheba ka tlase) e totobatsa tlhoko ea basebetsi ba nang le bokhoni ho netefatsa hore phepelo ea motlakase le lisebelisoa tsa ts'ireletso li loketse lisebelisoa tse hokahantsoeng, mohlala, mofuta oa RCD o lokela ho ba o loketseng lisebelisoa tse hoketsoeng/ sesebelisoa.– bona BS 7671 531.3.3
* Tlhaloso ea molao: "Shall" e bolela hore motho o na le tlamo kapa mosebetsi oa ho etsa ketso.
Tataiso e fanoeng ho Tokomane ea Tataiso ea HSE le BS7671 e tšehetsa ho lumellana le litlhoko tsa UK Health and Safety Act.
Li-RCD tse khethiloeng ka nepo li fana ka tšireletso ea liphoso le tšireletso e eketsehileng - bona Litlhoko tsa Tlhahlobo ea Kotsi: Buka ea HSE Ho sebetsa ka Lisebelisoa tsa Motlakase. Tataiso (Indent 4 & 5) e bolela hore pele o kopanya lisebelisoa, "motho ea nang le bokhoni" o tlameha ho hlahloba phepelo. Tataiso (Indent 4 & 5) e bolela hore pele o kopanya lisebelisoa, "motho ea nang le bokhoni" o tlameha ho hlahloba phepelo.Buka ea litaelo (serapeng sa 4 le 5) e bolela hore “motho ea nang le bokhoni” o lokela ho hlahloba phepelo ea motlakase pele a hokela thepa.Litaelo (tse indenting 4 le 5) li bolela hore "motho ea tšoanelehang" o tlameha ho hlahloba matla pele a hokahanya sesebelisoa.Sena se kenyelletsa ho nepahala le ho sebetsa ha lisebelisoa tsohle tsa ts'ireletso tsa RCD tse kentsoeng ho latela lisebelisoa.
Meroalo ea mekhahlelo e meraro e kenyelletsang li-inverters (mohlala, lipompo, li-compressor, li-seal, li-welders, joalo-joalo) li hlahisa maqhubu a phahameng le maqhubu a lutlang a DC a sitisang li-RCD tse tloaelehileng.Molao oa 531.3.3 (iv) o hloka hore ho sebelisoe mofuta oa B RCDs ho fana ka boemo bo hlokahalang ba tšireletso bakeng sa mefuta ena ea meroalo.
“O tlameha ho nka mehato ya ho itlhokomela kgahlanong le kotsi ya lefu kapa ya ho lemala ka lebaka la motlakase.Lisebelisoa tsa motlakase li tlameha ho bolokeha le ho hlokomeloa hantle. ”HSE e totobatsa bohlokoa ba Motlakase Melaong ea Mosebetsi oa 1989 le tataiso e tšehetsang ho fokotsa / ho felisa likotsi tse amanang le lisebelisoa tse entsoeng ka mokhoa o sa nepahalang, tse sebelisoang ka mokhoa o sa lokelang le tse hlokometsoeng.Motlakase Sebakeng sa Mosebetsi oa Melao ea 1989, Molao oa 4-(1) "Litsamaiso tsohle li tla hahuoa ka linako tsohle ho thibela likotsi ka hohle kamoo ho ka khonehang."Bukana e amehang ea HSE Manual (HSR25) e fana ka litlhoko tse mabapi le: moralo (serapa sa 62), maemo a ka lebelloang le tšebeliso (serapa sa 63), litšobotsi tsa moetsi, lisebelisoa tse loketseng tse sireletsang motlakase… (serapa sa 64)), le “Tshireletso ea thepa” .tsamaiso e itšetlehile ka khetho e nepahetseng ea lisebelisoa tsohle tsa motlakase.Tsamaiso”.. (leq. 65)
Ke hore, RCD e fana ka tšireletso, ka hona, ha u khetha mofuta oa RCD, ho hlokahala hore u nahane ka litlhoko le likhothaletso tse fanoeng ho BS 7671 531.3.3, ho itšetlehile ka mefuta e mengata ea thepa e ka kopanngoang ka mor'a RCD e sirelelitsoeng. phalliso.
Li-RCD le li-RCD li loketse ts'ireletso ea ho qetela ea potoloho / socket: litekanyetso tsa bona tse tsitsitseng li loketse ka ho khetheha bakeng sa ho sireletsa 30 mA ho tloha phetohong e sa lumelloeng ke basebetsi ba sa rutehang (motlakase) - bona BS 7671 531.3.4.1 CBR le MRCD li na le litekanyetso tse feto-fetohang, li ka sebetsoa / setsebi kamoo ho laetsoeng - sheba poleloana 531.3.4.2 ea BS7671.
HLOKOMELA.Li-MRCD li sebelisoa ka lisebelisoa tse ikemetseng tse sa sireletsehang, kahoo li tlameha ho netefatsoa ka mor'a kopano le khokahanyo ea OEM (BSEN60947-2 Annex M).Sena se etsoa ho leka kakaretso ea nako ea ho khaoha ea kopano eohle ea MRCD + MCB + S/Trip kapa U/Release e le karolo ea teko ea ho qetela ea kopano:
Ka lebaka la maemo a thata a libaka tsa kaho le likotsi tse phahameng tsa ho sebelisa thepa ea motlakase ka ntle, melao e bonolo: lisebelisoa li tlameha ho ba tse loketseng ho sebelisoa, li bolokoe li lokisoa hantle le tse sireletsehileng ho sebelisoa.Sena se kenyelletsa ho khetha mofuta o nepahetseng oa RCD, lisebelisoa tse sireletsang hantle tse kang li-RCD tse tsoang tikolohong, le ho li boloka li sebetsa hantle.Nako le nako hlahloba le ho etsa liteko ho netefatsa hore RCD e fana ka tekanyo e hlokahalang ea tšireletso 'me e loketse lisebelisoa tse hokahaneng.Pele o kopanya lisebelisoa tse ncha ho switchboard e teng - melao ea HSE e hloka "motho ea tšoanelehang" ho hlahloba phepelo ea matla ho netefatsa hore e bolokehile ho sebelisoa le thepa.


Nako ea poso: Aug-16-2022