Nnwale nke relayrelay relay bụ ngwaọrụ dị mkpa nke mita eletrik nwere ọgụgụ isi a na-akwụ ụgwọ. Ndụ relay na-ekpebi ndụ mita eletrik ruo n'ókè ụfọdụ. Arụmọrụ nke ngwaọrụ ahụ dị oke mkpa maka ọrụ nke mita eletrik nwere ọgụgụ isi a na-akwụ ụgwọ. Agbanyeghị, enwere ọtụtụ ndị na-emepụta relay n'ime obodo na mba ofesi, nke dị iche na nha mmepụta, ọkwa teknụzụ na paramita arụmọrụ. Ya mere, ndị na-emepụta mita ike ga-enwerịrị ngwaọrụ nchọpụta zuru oke mgbe ha na-anwale ma na-ahọrọ relay iji hụ na mita eletrik dị mma. N'otu oge ahụ, State Grid emekwa ka nchọpụta nlele nke paramita arụmọrụ relay na mita eletrik nwere ọgụgụ isi sie ike, nke chọkwara ngwa nchọpụta kwekọrọ iji lelee ịdị mma nke mita eletrik nke ndị nrụpụta dị iche iche mepụtara. Agbanyeghị, akụrụngwa nchọpụta relay abụghị naanị na ọ nwere otu ihe nchọpụta, enweghị ike ịhazi ma nyochaa usoro nchọpụta ahụ n'onwe ya, a ga-ejikwa aka hazie ma nyochaa data nchọpụta ahụ, nsonaazụ nchọpụta ahụ nwekwara ọtụtụ ihe na-enweghị usoro na ihe arụrụ arụ. Ọzọkwa, arụmọrụ nchọpụta dị ala, enweghịkwa ike ijide n'aka na nchekwa adịghị [7]. N'ime afọ abụọ gara aga, Steeti Grid ahaziela ihe achọrọ maka teknụzụ nke mita eletrik, mepụta ụkpụrụ ụlọ ọrụ dị mkpa na nkọwapụta teknụzụ, nke tinyere ụfọdụ nsogbu teknụzụ maka nchọpụta paramita relay, dị ka ikike ibu na gbanyụọ nke relay, ule njirimara mgbanwe, wdg. Ya mere, ọ dị mkpa ịmụ ngwaọrụ iji nweta nchọpụta zuru oke nke paramita arụmọrụ relay [7]. Dịka ihe achọrọ nke ule paramita arụmọrụ relay si dị, enwere ike kewaa ihe nnwale ahụ n'ime ụdị abụọ. Otu bụ ihe nnwale na-enweghị ugbu a ibu, dị ka uru ihe omume, iguzogide kọntaktị na ndụ igwe. Nke abụọ bụ na ihe nnwale ugbu a ibu, dị ka voltaji kọntaktị, ndụ eletriki, ikike ibu ibu. A na-ewebata ihe nnwale bụ isi dị ka ndị a: (1) uru ihe omume. Voltaji achọrọ maka ọrụ relay. (2) Mgbochi kọntaktị. Uru iguzogide n'etiti kọntaktị abụọ mgbe emechiri eletrik. (3) Ndụ igwe. Akụkụ igwe ma ọ bụrụ na enweghị mmebi, ọnụọgụgụ ugboro ihe mgbanwe relay. (4) Voltaji kọntaktị. Mgbe emechiri kọntaktị eletrik, a na-etinye ụfọdụ ugbu a ibu na sekit kọntaktị eletriki na uru voltaji n'etiti kọntaktị. (5) Ndụ eletriki. Mgbe etinyere voltaji a tụrụ aro na nsọtụ abụọ nke eriri igwe na-anya relay ma tinye ibu resistive a tụrụ aro na eriri igwe na-anya kọntaktị, okirikiri ahụ erughị ugboro 300 kwa elekere yana okirikiri ọrụ bụ 1∶4, oge ọrụ a pụrụ ịdabere na ya nke eriri igwe na-anya. (6) Ike ibufe ibu. Mgbe etinyere voltaji a tụrụ aro na nsọtụ abụọ nke eriri igwe na-anya relay ma tinye ugboro 1.5 nke ibu a tụrụ aro na eriri igwe na-anya kọntaktị, enwere ike nweta oge ọrụ a pụrụ ịdabere na ya nke eriri igwe na ugboro ọrụ nke (10±1) / nkeji [7]. Ụdị, dịka ọmụmaatụ,, enwere ike kewaa ọtụtụ ụdị relay dị iche iche site na ọsọ relay voltaji ntinye, relay ugbu a, relay oge, relay, relay nrụgide, wdg., dịka ụkpụrụ ọrụ si dị, enwere ike kewaa relay electromagnetic, relay ụdị induction, relay eletriki, relay eletrọniki, wdg., dịka ebumnuche si dị, enwere ike kewaa relay njikwa, nchebe relay, wdg., Dịka ụdị mgbanwe ntinye si dị, enwere ike kewaa relay na relay nha. [8]Ma relay ahụ dabere na ọnụnọ ma ọ bụ enweghị ntinye, relay anaghị arụ ọrụ mgbe enweghị ntinye, ihe omume relay mgbe enwere ntinye, dị ka relay etiti, relay izugbe, relay oge, wdg. [8] Relay nha dabere na mgbanwe nke ntinye, ntinye ahụ na-adị mgbe niile mgbe ọ na-arụ ọrụ, naanị mgbe ntinye ahụ ruru uru ụfọdụ nke relay ahụ ga-arụ ọrụ, dị ka relay ugbu a, relay voltaji, relay okpomọkụ, relay ọsọ, relay nrụgide, relay ọkwa mmiri mmiri, wdg. [8] Relay electromagnetic Eserese atụmatụ nke nhazi relay electromagnetic Ọtụtụ n'ime relay eji na sekit njikwa bụ relay electromagnetic. Relay electromagnetic nwere njirimara nke nhazi dị mfe, ọnụ ahịa dị ala, ọrụ dị mma na mmezi, obere ikike kọntaktị (n'ozuzu n'okpuru SA), ọnụ ọgụgụ buru ibu nke kọntaktị na enweghị isi na isi ihe enyemaka, enweghị ngwaọrụ mgbanyụ ọkụ arc, obere nha, omume ngwa ngwa na nke ziri ezi, njikwa dị nro, a pụrụ ịtụkwasị obi, na ndị ọzọ. A na-ejikarị ya eme ihe na sistemụ njikwa voltaji dị ala. Relay electromagnetic a na-ejikarị eme ihe gụnyere relay ugbu a, relay voltaji, relay etiti na obere relay izugbe dị iche iche. [8]Nhazi relay elektrọnik na ụkpụrụ ọrụ yiri nke contactor, nke mejupụtara usoro electromagnetic na kọntaktị. Relay elektrọnik nwere ma DC na AC. A na-agbakwụnye voltaji ma ọ bụ ọkụ eletrik na nsọtụ abụọ nke coil iji mepụta ike electromagnetic. Mgbe ike electromagnetic karịrị ike mmeghachi omume spring, a na-adọta armature iji mee ka kọntaktị na-emepe emepe na nke a na-emechi emechi na-agagharị. Mgbe voltaji ma ọ bụ ọkụ eletrik nke coil dara ma ọ bụ pụọ, a na-ahapụ armature ma tọgharịa kọntaktị ahụ. [8]Relay okpomọkụ A na-ejikarị relay okpomọkụ eme ihe maka nchekwa oke ibu nke akụrụngwa eletriki (karịsịa moto). Relay okpomọkụ bụ ụdị ọrụ site na iji ụkpụrụ okpomọkụ ugbu a nke akụrụngwa eletriki, ọ dị nso na moto na-ekwe ka njirimara oke ibu nke njirimara oge ntụgharị, nke a na-ejikarị ya na contactor, nke ejiri maka oke ibu nke moto asynchronous atọ na nchedo ọdịda nke moto asynchronous atọ na ọrụ n'ezie, a na-enwekarị nsogbu site na ihe kpatara eletriki ma ọ bụ igwe dịka oke ugbu a, oke ibu na ọdịda nke usoro). Ọ bụrụ na oke ugbu a adịghị njọ, oge dị mkpụmkpụ, na windings anaghị agafe oke okpomọkụ a na-ekwe, a na-ekwe ka nke a gafere ugbu a; Ọ bụrụ na oke ọkụ eletrik dị njọ ma na-adịte aka, ọ ga-eme ka ike mkpuchi nke moto ahụ dị ngwa ma gbaa moto ahụ ọkụ. Ya mere, a ga-etinye ngwaọrụ nchekwa moto na sekit moto. E nwere ọtụtụ ụdị ngwaọrụ nchekwa moto a na-ejikarị eme ihe, nke kachasị bụ relay okpomọkụ efere ígwè. relay okpomọkụ ụdị efere ígwè bụ nkebi atọ, enwere ụdị abụọ nwere na-enweghị nchedo oge ezumike. [8] Relay oge A na-eji relay oge maka njikwa oge na sekit njikwa. Ụdị ya dị oke ukwuu, dịka ụkpụrụ ọrụ ya si dị, enwere ike kewaa ya n'ụdị electromagnetic, ụdị damping ikuku, ụdị eletriki na ụdị eletrọnịkị, dịka usoro igbu oge si dị, enwere ike kewaa ya n'ụdị igbu oge ike na igbu oge ike. Relay oge damping ikuku na-eji ụkpụrụ nke damping ikuku iji nweta igbu oge, nke mejupụtara usoro electromagnetic, usoro igbu oge na sistemụ kọntaktị. Usoro electromagnetic bụ isi ígwè E-ụdị abụọ na-arụ ọrụ ozugbo, sistemụ kọntaktị na-eji mgbanwe micro I-X5, usoro igbu oge na-ejikwa damper akpa ikuku. [8]ntụkwasị obi1. Mmetụta nke gburugburu ebe obibi na ntụkwasị obi relay: nkezi oge dị n'etiti ọdịda nke relay na-arụ ọrụ na GB na SF bụ nke kachasị elu, na-eru 820,00h, ebe na gburugburu NU, ọ bụ naanị 600,00h. [9]2. Mmetụta nke ọkwa mma na ntụkwasị obi relay: mgbe ahọpụtara relay ọkwa mma A1, nkezi oge dị n'etiti ọdịda nwere ike iru 3660000h, ebe nkezi oge dị n'etiti ọdịda nke relay ọkwa C bụ 110000, yana ọdịiche nke ugboro 33. A pụrụ ịhụ na ọkwa mma nke relay nwere nnukwu mmetụta na arụmọrụ ntụkwasị obi ha. [9]3, mmetụta na ntụkwasị obi nke ụdị kọntaktị relay: ụdị kọntaktị relay ga-emetụtakwa ntụkwasị obi ya, otu ịtụfu ntụkwasị obi nke ụdị relay dị elu karịa ọnụọgụ nke otu mma ụdị relay abụọ, ntụkwasị obi na-ebelata nwayọ nwayọ ka ọnụọgụ mma na-abawanye n'otu oge, bụ nkezi oge dị n'etiti ọdịda otu-pole otu-atụfu relay mma anọ okpukpu abụọ-atụfu relay nke ugboro 5.5. [9]4. Mmetụta nke ụdị nhazi na ntụkwasị obi relay: enwere ụdị nhazi relay 24, ụdị ọ bụla nwekwara mmetụta na ntụkwasị obi ya. [9]5. Mmetụta nke okpomọkụ na ntụkwasị obi nke relay: okpomọkụ ọrụ nke relay dị n'etiti -25 ℃ na 70 ℃. Ka okpomọkụ na-abawanye, oge nkezi n'etiti ọdịda nke relay na-ebelata nwayọọ nwayọọ. [9]6. Mmetụta nke ọnụego ọrụ na ntụkwasị obi relay: Ka mmụba nke ọnụego ọrụ nke relay na-abawanye, oge nkezi n'etiti ọdịda na-egosi usoro ọdịda dị elu. Ya mere, ọ bụrụ na sekit e mere atụmatụ chọrọ ka relay rụọ ọrụ na oke dị elu, ọ dị mkpa ịchọpụta relay nke ọma n'oge mmezi sekit ka e wee nwee ike dochie ya n'oge. [9]7. Mmetụta nke oke ugbu a na ntụkwasị obi nke relay: ihe a na-akpọ oke ugbu a bụ oke nke oke ibu ọrụ nke relay na oke ibu a tụrụ aro. Oke ugbu a nwere mmetụta dị ukwuu na ntụkwasị obi nke relay, ọkachasị mgbe oke ugbu a karịrị 0.1, oge nkezi n'etiti ọdịda na-ebelata ngwa ngwa, ebe mgbe oke ugbu a erughị 0.1, oge nkezi n'etiti ọdịda na-anọgide otu, yabụ a ga-ahọrọ ibu nwere oke ugbu a dị elu na nhazi sekit iji belata oke ugbu a. N'ụzọ dị otu a, a gaghị ebelata ntụkwasị obi nke relay na ọbụna sekit dum n'ihi mgbanwe nke ọkụ eletrik na-arụ ọrụ.
