Njirimara onye njide ịwa ahụ:
1. Onye na-ejide zinc oxide nwere nnukwu ikike eruba,
nke a na-egosipụta nke ọma n'ikike nke onye njide iji nweta oke ọkụ ọkụ dị iche iche, ike ọkụ na-agafe agafe, na oke ọkụ na-arụ ọrụ.Ikike nke ndị na-ejide zinc oxide nke Chuantai mepụtara na-emezu nke ọma ma ọ bụ ọbụna karịa ihe achọrọ nke ụkpụrụ mba.Ihe ngosi ndị dị ka ọkwa mwepụta ahịrị, ikike nnabata ike, 4/10 nanosecond dị elu nguzogide mmetụta ugbu a, na ikike ebili mmiri square 2ms eruola ọkwa isi ụlọ.
2. Njirimara nchebe magburu onwe ya
nke zinc oxide arrester Zinc oxide arrester bụ ngwaahịa eletrik na-eji echebe ngwa eletrik dị iche iche na usoro ike site na mmebi nke oke ọkụ, ma nwee ezigbo ọrụ nchebe.N'ihi na njirimara volt-ampere na-adịghị mma nke valvụ zinc oxide dị ezigbo mma, ọ bụ naanị narị ole na ole microamps nke ugbu a na-eruba n'okpuru voltaji na-arụ ọrụ nkịtị, nke dị mma iji chepụta n'ime oghere na-enweghị oghere, nke mere na ọ nwere ọrụ nchebe dị mma, ọkụ. ibu na obere nha.atụmatụ.Mgbe overvoltage na-awakpo, ugbu a na-agafe na valvụ na-abawanye ngwa ngwa, ma n'otu oge ahụ na-amachi njupụta nke overvoltage ma na-ahapụ ike nke overvoltage.Mgbe nke ahụ gasịrị, valvụ zinc oxide na-alaghachi na steeti nkwụsị dị elu iji mee ka usoro ike na-arụ ọrụ nke ọma.
3. Arụ ọrụ mkpuchi nke zinc oxide arrester dị mma.Nke
Ihe ndị na-ejide njide na-eji akwa jaket mejupụtara nwere ezigbo ọrụ ịka nká yana ikuku siri ike.A na-anabata usoro dịka ịchịkwa mkpakọ nke mgbanaka akara na ịgbakwunye akara.A na-eji jaket seramiiki mee ihe dị ka ihe eji eme ihe iji hụ na a pụrụ ịdabere na ya.Arụmọrụ nke onye njide kwụsiri ike.
4. Ọrụ arụ ọrụ nke onye na-ejide zinc oxide
na-atụle nke ọma ihe atọ ndị a:
⑴ Ala ọma jijiji na-eme ka ọ na-ebu;
⑵ Oke ikuku kachasị na-arụ ọrụ na njide ⑶ The
n'elu onye njide na-ebu oke erughị ala nke waya.
5. Ọ dị mma
Ọrụ mgbochi mmetọ nke zinc oxide arrester Ọ dịghị oghere zinc oxide arrester nwere nnukwu arụmọrụ nguzogide mmetọ.
Ọkwa dị anya nke creepage akọwapụtara n'ụkpụrụ mba dị ugbu a bụ:
⑴ Klas II ebe mmetọ nke ọma: creepage kpọmkwem anya 20mm/kv
⑵Klas III ebe mmetọ nke ukwuu: creepage kpọmkwem anya 25mm/kv
⑶ klaasị IV mpaghara emetọghị nke ukwuu: creepage kpọmkwem anya 31mm / kv
6. Elu ntụkwasị obi na-arụ ọrụ nke zinc oxide arrester The ntụkwasị obi
nke ogologo oge na-arụ ọrụ na-adabere na àgwà nke ngwaahịa na ma nhọrọ nke ngwaahịa bụ ezi uche.Akụkụ atọ ndị a na-emetụta ogo ngwaahịa ya:
A. Ezi uche nke nhazi n'ozuzu nke onye njide;
B. Njirimara volt-ampere na iguzogide ịka nká nke efere valve zinc oxide;
C. Ọrụ akara nke onye njide.
7. Nkwenye ike ugboro ugboro
N'ihi ihe dị iche iche na ike usoro dị ka otu-phase grounding, ogologo oge capacitive mmetụta, na ibu ịwụfu, ike ugboro voltaji ga-abawanye ma ọ bụ a transient overvoltage na a elu njupụta ga-eme.Ikike iguzogide ụfọdụ ike ugboro voltaji ịrị elu n'ime oge ụfọdụ.
Eji njide:
1. Ekwesịrị itinye ya n'akụkụ akụkụ nke nkesa nkesa.Nke
A na-ejikọta njide oxide metal (MOA) n'otu n'otu na nkesa nkesa n'oge ọrụ nkịtị, na njedebe elu jikọtara ya na akara na njedebe ala.Mgbe enwere oke n'ahịrị, onye na-ekesa nkesa n'oge a ga-anagide mgbada voltaji nke akụkụ atọ a na-emepụta mgbe oke ọkụ na-agafe site na njide, waya ndu na ngwaọrụ ala, nke a na-akpọ voltaji residual.N'ime akụkụ atọ ndị a nke overvoltage, voltaji fọdụrụ na njide na-ejikọta ya na arụmọrụ nke ya, na uru volta nke fọdụrụnụ bụ ụfọdụ.Enwere ike ikpochapụ voltaji fọdụrụ na ngwaọrụ ala site na ijikọ ala ala na shei nkesa nkesa, wee jikọọ ya na ngwaọrụ ala.Otu esi ebelata voltaji fọdụrụ na ndu na-aghọ isi ihe na-echebe nkesa nkesa.Ihe mgbochi nke ndu na-ejikọta ya na ugboro ole nke ugbu a na-agafe na ya.Ọnụ ọgụgụ dị elu nke ukwuu, otú ahụ ka inductance nke waya na-esiwanye ike ma na-abawanye ụba.Enwere ike ịhụ site na U = IR na iji belata voltaji fọdụrụ na ndu, a ga-ebelata ihe mgbochi nke ndu ahụ, na ụzọ nwere ike isi belata nkwụsị nke ndu bụ iji belata ohere dị n'etiti MOA na nkesa nkesa iji belata ihe mgbochi nke ndu ma belata nkwụsị voltaji nke ndu, ya mere Ọ ka mma ka etinyere onye njide nso na nkesa nkesa.
2. Ekwesịrị ịwụnye akụkụ dị ala nke ihe nkesa nkesa
Ọ bụrụ na enweghị MOA arụnyere n'akụkụ obere voltaji nke ihe nkesa nkesa, mgbe onye na-ahụ maka mgbanaka dị elu na-eme ka ọkụ na-enwu n'ụwa, mgbada voltaji ga-eme na ngwaọrụ mgbada, na voltaji volta ga-eme ihe na ya. ebe na-anọpụ iche nke obere voltaji n'akụkụ ikuku site na nkesa transformer shei n'otu oge.Ya mere, ọkụ ọkụ ugbu a na-asọba na ikuku ikuku dị ala ga-eme ka ikike dị elu (ruo 1000 kV) na ikuku dị elu dị ka mgbanwe mgbanwe si dị, na ikike a ga-ejupụta na ọkụ ọkụ nke elu. -mpịakọta akụkụ voltaji, nke na-ebute ohere na-anọpụ iche nke oke ikuku na-ebuli elu, na-agbaji ihe mkpuchi dị nso na-anọpụ iche.Ọ bụrụ na arụnyere MOA n'akụkụ obere voltaji, mgbe akụkụ MOA dị elu na-agbapụta iji bulie ikike nke ngwaọrụ mgbada na uru ụfọdụ, MOA dị ala na-amalite ịgbapụta, nke mere na enwere ike ịdị iche n'etiti obere ala. -Voltaji n'akụkụ winding outlet ọnụ na-anọpụ iche ebe na shei ibelata, nke mere na nwere ike iwepụ ma ọ bụ ibelata mmetụta nke "laghachite mgbanwe" nwere.
3. Ekwesịrị ijikọ waya ala MOA na shei nkesa nkesa
.Ekwesịrị ijikọ waya ala MOA ozugbo na shei nkesa nkesa, wee jikọta shei ahụ na ala.Ọ bụ ihe na-ezighị ezi ijikọ waya mgbada nke onye na-ejide ya ozugbo na ala, wee duru waya ọzọ na-agbanye ala site na ikpo ala na shei transformer.Tụkwasị na nke ahụ, eriri ala nke onye na-ejide ya kwesịrị ịdị mkpụmkpụ dị ka o kwere mee iji belata voltaji fọdụrụnụ.
4. Soro usoro iwu chọrọ maka nyocha mmezi mgbe niile.
Kwa oge tụọ nguzogide mkpuchi na ntapu nke MOA.Ozugbo MOA mkpuchi mkpuchi na-ebelata nke ukwuu ma ọ bụ gbarie, ekwesịrị dochie ya ozugbo iji hụ na ọrụ nchekwa nchekwa nkesa na-arụ ọrụ nke ọma na ahụike.
Ịrụ ọrụ na mmezi onye njide:
N'ime ọrụ kwa ụbọchị, a ga-enyocha ọnọdụ mmetọ nke elu mkpuchi mkpuchi mkpuchi nke onye na-ejide ya, n'ihi na mgbe akwa mkpuchi poselin na-emerụ emerụ, nkesa voltaji ga-abụ nke na-enweghị isi.N'ime onye na-ejide ya na nguzogide shunt yiri ya, mgbe nkesa voltaji nke otu n'ime ihe ndị ahụ na-abawanye, nke ugbu a na-agafe na nkwụsi ike ya ga-abawanye nke ukwuu, nke nwere ike ịgbanyụ nkwụsi ike yiri ya ma mee ka ọdịda.Na mgbakwunye, ọ nwekwara ike imetụta arụ ọrụ arc na-ekpochapụ onye na-ejide valvụ.Ya mere, mgbe elu nke àmụmà na-ejide poselin aka emerụrụ nke ọma, a ga-ehichapụ ya n'oge.
Lelee waya ndu na mgbada-edu nke onye njide, ma enwere akara ọkụ na eriri agbajiri agbaji, yana ma ọkụ na-edekọ mwepu agbagoro.Site na nyocha a, ọ kachasị mfe ịchọta ntụpọ na-adịghị ahụ anya nke onye njide;Ntinye mmiri na iru mmiri nwere ike ịkpata ihe mberede n'ụzọ dị mfe, yabụ lelee ma nkwonkwo ciment na njikọ dị n'etiti ogwe aka poselin na flange siri ike, ma wụnye ihe mkpuchi mmiri na waya ndu nke ụdị valvụ 10 kV iji gbochie mmiri ozuzo. ịbata;lelee onye na-ejide ya na eletrik na-echekwa ma ọ bụrụ na ọkụ eletrik dị n'etiti ngwá ọrụ ahụ na-emezu ihe ndị a chọrọ, onye na-agba ọkụ kwesịrị ịdị nso dị ka o kwere mee na ngwá ọrụ eletrik na-echebe, na ọkụ ọkụ kwesịrị ịlele ọrụ nke onye na-edekọ ihe mgbe égbè eluigwe gasịrị;lelee leakage ugbu a, na mgbe voltaji mwepu ugboro ugboro dị ukwuu karịa ma ọ bụ na-erughị uru ọkọlọtọ, a ga-emegharị ya ma nwalee;mgbe onye na-edekọ ihe na-agbapụta na-arụ ọrụ ọtụtụ oge, a ga-emegharị ya;ọ bụrụ na enwere mgbawa na nkwonkwo n'etiti ogwe aka poselin na ciment;mgbe efere flange na rọba dapụrụ, a ga-emegharị ya.
Ekwesịrị ịlele nguzogide mkpuchi nke onye njide mgbe niile.A na-eji mita mkpuchi mkpuchi 2500 volt maka nha, yana uru a tụrụ atụnyere nsonaazụ gara aga.Ọ bụrụ na enweghị mgbanwe doro anya, ọ nwere ike ịga n'ihu na-etinye ya n'ọrụ.Mgbe mgbochi mkpuchi na-adaba nke ọma, ọ na-akpatakarị ya site na njide adịghị mma na iru mmiri ma ọ bụ obere oghere ọkụ.Mgbe ọ dị ala karịa uru ruru eru, a ga-eme ule njirimara;mgbe mkpuchi mkpuchi na-abawanye nke ukwuu, ọ na-abụkarị n'ihi kọntaktị na-adịghị mma ma ọ bụ nkwụsị nke nkwụsi ike dị n'ime ya yana ntụrụndụ mmiri na ikewa akụkụ nke ime.
Iji chọpụta ntụpọ zoro ezo n'ime onye na-ejide valvụ n'oge, a ga-eme nyocha mgbochi tupu oge égbè eluigwe kwa afọ.
Oge nzipu: Dec-15-2022