Ngwa eletriki eletrik dị elu aghaghị ịnọgide na-enwe mkpuchi dị mma n'oge a na-arụ ọrụ, ya mere a ga-eme usoro nyocha nke mkpuchi site na mmalite nke mmepụta ngwá ọrụ.Nnwale ndị a gụnyere: Nnwale ihe eji arụ ọrụ na usoro mmepụta, ule etiti na usoro mmepụta, ogo ngwaahịa na ụlọ ọrụ mmepụta ihe, jiri ule nwụnye na saịtị, yana ule mgbochi mkpuchi maka nchekwa na arụ ọrụ n'oge eji.Ihe akaebe nke akụrụngwa eletrik na nnwale mgbochi bụ nnwale abụọ kachasị mkpa.The People's Republic of China Electric Power Industry Code And National Code: DL/T 596-1996 "Ule Usoro Nnwale Mgbochi Maka Ngwá Ọrụ Ike" Na GB 50150-91 "Nkọwa Nleba Nleba Equipment Ngwá Ọrụ" Ezipụta ọdịnaya na nkọwapụta nke nnwale ọ bụla.
2. Nnwale mgbochi mkpuchi mkpuchi
Nnwale mgbochi mgbochi nke ngwa eletriki bụ ihe dị mkpa iji hụ na arụ ọrụ akụrụngwa dị mma.Mgbe ule ahụ gasịrị, enwere ike ijide ọnọdụ mkpuchi nke ngwa ahụ, ihe ize ndụ dị na mkpuchi ahụ nwere ike ịchọta n'oge, ma nwee ike iwepụ ihe nchebe ahụ.Ọ bụrụ na enwere nsogbu siri ike, ọ dị mkpa iji dochie ngwa ahụ iji zere mfu na-enweghị atụ, dị ka mwepu ọkụ ma ọ bụ mmebi akụrụngwa kpatara site na ọdịda mkpuchi n'oge ọrụ.
Enwere ike kewaa nnwale mgbochi mkpuchi n'ime ụdị abụọ: Otu bụ nnwale na-adịghị emebi emebi ma ọ bụ nnwale njirimara mkpuchi, nke na-ezo aka na njirimara njirimara dị iche iche a tụrụ na obere voltaji ma ọ bụ ụzọ ndị ọzọ nke na-agaghị emebi mkpuchi ahụ, gụnyere nkwụghachi ụgwọ mkpuchi, gụnyere nkwụghachi ụgwọ. Dielectric Loss Tangent, wdg. Mgbe ahụ chọpụta ma mkpuchi ahụ nwere mmejọ ọ bụla.Nlele egosila na usoro a bara uru, mana enweghị ike iji ya chọpụta ike eletrik nke mkpuchi ahụ.Nke ọzọ bụ ule na-emebi emebi ma ọ bụ ule nrụgide.Voltaji etinyere na ule ahụ dị elu karịa voltaji arụ ọrụ nke akụrụngwa, yana ihe achọrọ maka nnwale mkpuchi mkpuchi siri ike.Karịsịa, enwere nnukwu ihe ize ndụ nke ikpughe na ịchịkọta adịghị ike, na iji hụ na mkpuchi ahụ nwere ụfọdụ ike eletrik, gụnyere DC Iguzogide voltaji, nkwurịta okwu na-eguzogide voltaji, wdg. Mwepu nke nkwụsị ule voltaji bụ na ọ ga-eme ka ụfọdụ Mmebi na mkpuchi mkpuchi.
3. Nnwale aka nnyefe ngwa eletrik
Iji gboo mkpa nke injinia nrụnye eletriki na nnwale ngbanwe akụrụngwa eletrọnịkị, wee kwalite nkwalite na ngwa teknụzụ ọhụụ maka nnwale ngbanwe nke ngwa eletriki, National Standard GB 50150-91 “Egwuregwu Ntugharị Ntugharị Nleba Eletrịkị” na-ewebata nkọwapụta nkọwapụta. Nkọwa nke nnwale dị iche iche.Na mgbakwunye na ụfọdụ nnwale mgbochi mgbochi, Nnwale Ndochi Ngwa Eletrịkị Gụnyekwa Nnwale Àgwà Ndị Ọzọ, dị ka Nnwale Mgbochi DC na Ratio, Nnwale Nkwụsị Nkwụsị nke Circuit Breaker, wdg.
4. Ụkpụrụ bụ isi nke nnwale mgbochi mgbochi
4.1 Nnwale mkpuchi mkpuchi mkpuchi mkpuchi mkpuchi bụ ihe a na-ejikarị na nke kachasị mma na ule mkpuchi nke ngwa eletriki.Uru nke nguzogide mkpuchi nwere ike gosipụta nke ọma adịghị ike nke mkpuchi, dị ka oke iru mmiri, mmetọ, oke ọkụ na ịka nká.Ngwa a na-ejikarị eme ihe maka Nnwale Mgbochi Mgbochi bụ Onye Nleba Mgbochi Mgbochi (ihe nleba anya mkpuchi mkpuchi).
Ndị na-anwale ihe mkpuchi mkpuchi (ndị na-anwale ihe mgbochi) na-enwekarị ụdị dị ka 100 Volts, 250 Volts, 500 Volts, 1000 Volts, 2500 Volts, na 5000 Volts.Ekwesịrị iji ihe nleba anya mkpuchi mkpuchi mee ihe na DL/T596 “Usoro nnwale mgbochi maka akụrụngwa ike”.
4.2 Nlegharị ule ugbu a
Voltaji nke General DC Ikpuchi Nguzogide Nnwale dị ala karịa 2.5KV, nke dị ala karịa voltaji arụ ọrụ nke ụfọdụ ngwa eletriki.Ọ bụrụ na ị chere na nha nha nke ihe nleba anya mkpuchi mkpuchi dị oke ala, ị nwere ike tụọ ntapu nke ngwa eletriki ugbu a site na ịgbakwunye DC High Voltage.Akụrụngwa a na-ejikarị maka ịlele ntapu ugbu a na-agụnye ihe ntụgharị nnwale voltaji dị elu yana ndị na-ebunye voltaji dị elu DC.Mgbe akụrụngwa nwere mkpirisi, nkwụsị nke dị ugbu a n'okpuru voltaji dị elu dị ukwuu karịa nke ahụ n'okpuru obere voltaji, ya bụ, nguzogide mkpuchi n'okpuru voltaji dị elu dị obere karịa nke ahụ n'okpuru obere voltaji.
Enweghị nnukwu ọdịiche dị n'etiti ntapu nke ugbu a yana nguzogide mkpuchi nke ngwa ahụike na-anagide voltaji ihe nleba anya, mana nlegharị anya ugbu a nwere njirimara ndị a:
(1) Voltage ule dị elu karịa nke onye nnwale mgbochi mkpuchi mkpuchi.A na-ekpughe adịghị ike nke mkpuchi ahụ n'onwe ya, ma enwere ike ịchọta ụfọdụ adịghị ike nke nkwekọrịta na-enweghị ntinye.
(2) Ịtụ njikọ dị n'etiti nkwụsị nke ugbu a na voltaji etinyere na-enyere aka nyochaa ụdị ntụpọ mkpuchi.
(3) Microampere ejiri mee ihe maka nlegharị anya ugbu a bụ nke ziri ezi karịa onye na-anwale ihe mgbochi mkpuchi.
4.3 DC iguzogide ule voltaji
Nnwale voltaji nke DC nwere ihe dị elu
Nkwukọrịta na-eguzogide nnwale voltaji Mgbe ụfọdụ na-eme ụfọdụ adịghị ike na mkpuchi mkpuchi ka ọ pụta ìhè.Ya mere, ọ dị mkpa iji mee nnwale na mgbochi mkpuchi mkpuchi, ọnụego absorption, nkwụsị nke ugbu a na ọnwụ dielectric tupu nnwale ahụ.Ọ bụrụ na nsonaazụ nnwale ahụ na-eju afọ, enwere ike ịme nkwurịta okwu na-eguzogide ule voltaji.Ma ọ bụghị ya, a ga-eme ya n'oge, yana nkwurịta okwu na-eguzogide ule voltaji kwesịrị ime ya mgbe ebumnuche ọ bụla ruru eru iji zere mmebi mkpuchi na-enweghị isi.
4.5 Nnwale nke Dielectric Loss Factor Tgδ
The Dielectric Loss Factor Tgδ bụ otu n'ime ebumnuche ndị bụ isi na-egosipụta arụmọrụ mkpuchi.Ihe kpatara ọnwụ Dielectric Tgδ na-egosipụta njirimara njirimara nke mfu mkpuchi.Ọ nwere ike ịchọpụta nke ọma mkpuchi mkpuchi nke ngwa eletriki na-emetụta site na wetting, mmebi, na mmebi, yana ntụpọ mpaghara nke ngwa obere obere.
Tụnyere The Medical Iguzogide Voltage Tester ka mkpuchi mkpuchi na ntapu ule ugbu a, The Dielectric Loss Factor Tgδ nwere uru dị mkpa.Ọ nweghị ihe jikọrọ ya na voltaji ule, nha nlele ule na ihe ndị ọzọ, ọ dịkwa mfe ịmata mgbanwe mkpuchi mkpuchi nke ngwa eletriki.Ya mere, The Dielectric Loss Factor Tgδ bụ otu n'ime ule kachasị mkpa maka nyocha mkpuchi nke ngwa eletrik dị elu.
Ihe na-akpata Dielectric Loss Factor Tgδ nwere ike ịba uru ịchọta adịghị ike mkpuchi ndị a:
(1) Mmiri;(2) Banye n'ime Channel Conductive;(3) Ihe mkpuchi ahụ nwere afụ ikuku n'efu, na mkpuchi ahụ na-ehichapụ na shells;(4) Ihe mkpuchi ahụ dị unyi, mebiri emebi, na ịka nká.
Ihe nnwale ọkụ na-eguzogide ọgwụ
Oge nzipu: Feb-06-2021
