FFM 4.62/6.9/11√3/35√3KV 0.1-25kvar High Voltage Protection Capacitor
Nkọwa ngwaahịa
Ejikọtara ihe nchekwa nchekwa n'otu n'otu na mgba ọkụ ọkụ.Mgbe ejikọrọ oghere oghere na ibu inductive, ọ bụghị naanị na ọ ga-amachi oke ọrụ n'otu ebe, kamakwa ọ na-egbu oge ịrị elu nke mbepụ overvoltage na isi ọkụ na-ebugharị overvoltage na isi ma belata steepness, si otú ahụ. na-echebe ngwa eletriki na-egbochi mmetụta nke ebili mmiri dị n'ihu.
A na-eji ya na sistemụ ike 50Hz, 3kV, 6kV, 10kV, 35kV na-emepụta ihe na-eguzogide ike na ihe mgbochi.Ọ na-eji ike nke capacitor na-etinye n'ime ya iji belata njupụta voltaji na mmetụta damping nke resistor na-ebelata oscillation ma gbochie oke voltaji.Ọnọdụ ala nke ebe na-anọpụ iche na-ejedebe iji hụ na ọ dabara na ọkwa mkpuchi nke moto ma na-eme ka ọkụ ọkụ ọkụ dị mma.
N'oge ndị ọzọ, a nwekwara ike iji ya dị ka capacitor dị elu.Mgbe ejikọtara ya n'etiti ahịrị na ala, ọ nwere ike ibelata oke ikuku ikuku, mkpọda n'ihu ebili mmiri na uru kacha elu ruo-elu.
Ọ nwere ike ichekwa ngwa eletriki mgbe ejiri njide;ọ bụ capacitor dabara adaba maka ngwaọrụ RC overvoltage absorption nke sistemu sekit sekit ikuku.
Nkọwa nlereanya
Nka na ụzụ parameters na nhazi akụkụ
■ Ọrụ nka na ụzụ
● Mgbanwe ikike: -5%~+10%.
●Dielectric ọnwụ tangent uru tanδ
N'okpuru voltaji Un gosiri, na 20 ℃:
A. Maka mgbasa ozi ihe mejupụtara ihe nkiri: tanδ≤0.002.
B. Maka usoro ihe nkiri zuru oke: tanδ≤0.0005.
● Ugboro ugboro: fn=50Hz.
● The capacitor nwere ike na-agba ọsọ ruo ogologo oge n'okpuru 1.1Un, na ike iguzogide ọrụ overvoltage mere site na oghere na mmechi nke sekit breaker na mbụ ọnụ ọgụgụ kasị elu ≤2.5 2Un.
●The capacitor nwere ike na-agba ọsọ ruo ogologo oge n'okpuru 1.5In, nke a ugbu a na-agụnye ugbu a mere site n'ịdị-ala overvoltage, na-agụnye ugbu a mere site harmonics, na-agụnye ugbu a mụbara site capacitance deviation.
● Usoro jụrụ oyi: ikuku ikuku n'elu shei capacitor.
● Elu nke nrụnye na ebe ọrụ agaghị agafe 1000m;ọnọdụ okpomọkụ ikuku ikuku nke nrụnye na ebe ọrụ: ime ụlọ -40 ℃ + 45 ℃;Ikuku ikwu iru mmiri ≤95%.
●Nwụnye na ebe ọrụ kwesịrị ịbụ nke gas na-emebi emebi na uzuoku;ọ dịghị conductive ma ọ bụ ihe mgbawa uzuzu na oké n'ibu ịma jijiji.
●Ekwesịghị inwe ọtụtụ uzuzu na unyi n'elu aka uwe seramiiki nke capacitor.Ọ bụrụ na achọtara mpụta mmanụ, a ga-akwụsị ọrụ ahụ.
Njirimara ngwaahịa na oke ojiji
Ihe mejupụtara capacitor bụ nke shei na isi.A na-eji efere ígwè dị mkpa gbajie shea ahụ, ihe mkpuchi ahụ nwere eriri eriri eriri waya, ma akụkụ abụọ nke mgbidi ahụ na-eji efere Angle were wụnye ya.A na-agbakọta isi ahụ n'ozuzu ya site na otu akụkụ, akụkụ mkpuchi na mkpuchi siri ike, a na-ejikọta ihe mejupụtara ya na electrode kewapụrụ ya.
A na-ahọrọ ihe mkpuchi mkpuchi dị elu na nke dị elu dị ka mgbasa ozi siri ike, a na-ejikwa usoro ikpochapu ikuku pụrụ iche na-ekpochapụ ígwè ahụ iji mepụta ụdị moto a kapịrị ọnụ.A na-eme ya ka ọ bụrụ capacitor unit na igwe na-akpụgharị akpaka, wee mee ya ka ọ bụrụ capacitor nke nwere teknụzụ nwere ikike, wee jiri ya mee ihe n'usoro ya na ihe mgbochi pụrụ iche na-adịghị emepụta ihe.
Ọnọdụ ọrụ:
1. Ambient ikuku okpomọkụ nso: -40~+45 ℃, ikwu iru mmiri adịghị karịa 95%.
2. Enweghị gas na-emebi emebi na uzuoku na saịtị nrụnye, ọ dịghị ihe na-eme ma ọ bụ ihe mgbawa na-agbawa agbawa na-arụ ọrụ siri ike.
3. Usoro ntinye: ntinye kwụ ọtọ.
Ozi ịtụ
Nhọrọ nke voltaji akara nke capacitor ga-adabere na voltaji netwọk.N'iburu n'uche na ntinye nke capacitor ga-eme ka voltaji dịkwuo elu, ya mere, mgbe ị na-ahọrọ voltaji a kwadoro nke capacitor, ọ dịkarịa ala 5% dị elu karịa netwọk netwọk;mgbe enwere reactor na sekit capacitor, voltaji njedebe nke capacitor Ala na-abawanye na ọnụego reactance nke reactor n'usoro, yabụ mgbe ị na-ahọrọ voltaji akara nke capacitor, a ga-ekpebi ya mgbe ịgbakọchara dị ka ọnụego reactance si dị. nke reactor na eriri.Capacitors bụ ọwa na-adịghị ike nke harmonics.N'okpuru harmonics, a ga-agbanye nnukwu ego nke harmonics n'ime capacitors iji mee ka ndị na-emepụta ihe na-agba ọsọ ma ọ bụ na-ebufe elu.Tụkwasị na nke ahụ, ndị na-emepụta ihe ga-eme ka ihe kwekọrọ na ya pụta ma mee ka ụda mgbe ha na-agwụ, na-etinye nchekwa nke grid ike na-eme ka ndị capacitors dị ndụ.Ya mere, a ga-eji capacitors nwere nnukwu harmonics n'okpuru reactors na-egbochi harmonics.Oge inrush mgbe capacitor na-emechi nwere ike ịdị elu dị ka narị ugboro ugboro ugbu a nke ike ike.Ya mere, mgba ọkụ maka ịgbanwee capacitor kwesịrị ịhọrọ mgba ọkụ na-enweghị mmebi ọzọ.Iji gbochie mmechi inrush ugbu a, a nwekwara ike ijikọ reactor nke na-egbochi inrush ugbu a n'usoro.Mgbe ewepụsịrị capacitor nwere nguzogide mwepu n'ime ya na ọkụ ọkụ, ọ nwere ike ịdaba site na ọnụ ahịa kacha elu nke voltaji enyere n'okpuru 75V n'ime nkeji 10.a ga-akọwa mgbe.Ekwesịrị itinye capacitors eji akwụ ụgwọ ahịrị na 150 ~ 200kvar n'otu ebe, ma kpachara anya ka ị ghara ịwụnye capacitors n'otu ọkwa dị ka ihe ntụgharị, ma ghara iji otu otu dropouts iji gbochie oke ọkụ nke ferromagnetic resonance kpatara mgbe. ahịrị anaghị arụ ọrụ n'akụkụ niile.Mfefe dị ugbu a nwere ike imebi capacitors na transformers.A ga-ahọrọ onye na-ejide zinc oxide surge maka nchebe nke overvoltage na-arụ ọrụ maka onye na-ejide zinc oxide nke a raara nye capacitor, ọ kacha mma ịwụnye ya n'etiti ogwe ọkụ.A na-ahọrọ fuse nke a na-eji maka capacitor maka nkwụsị ngwa ngwa, na a ga-ahọrọ nke ugbu a dị ka oge 1.42 ~ 1.5 nke akara ugbu a nke capacitor.Mgbe a na-ejikọta capacitor ozugbo na moto dị elu nke dị n'otu n'otu, iji gbochie mkpali onwe onye mgbe a na-ewepụ moto ahụ site na ọkụ ọkụ, na-eme ka voltaji nke capacitor ọnụ na-ebili karịa uru a kwadoro, nke a na-akwụ ụgwọ ugbu a. nke capacitor ga-abụ ihe na-erughị 90% nke enweghị ibu ugbu a nke moto;Mgbe ị na-eji wiring Y / △, a naghị ekwe ka jikọọ capacitor ozugbo na moto n'otu aka ahụ, yana usoro wiring pụrụ iche kwesịrị ịnakwere.Mgbe a na-eji capacitor mee ihe n'ogo dị elu karịa mita 1000 ma ọ bụ na-eji capacitor na mpaghara okpomọkụ iru mmiri, ekwesịrị ikwu ya mgbe ị na-enye iwu.Ekwesịrị ịkọwapụta asambodo ụdịdị pụrụ iche ma ọ bụ ihe pụrụ iche maka ndị na-eme ihe mgbe ị na-enye iwu.