Isi mmụta:
●Nnwale mkpali nke nkọwa transformer:Nnwale mkpali nke transformer na-enyocha ikike ọ nwere iguzogide mkpali voltaji dị elu, na-ahụ na mkpuchi ya nwere ike ijikwa spikes na voltaji na mberede.
●Nnwale mkpali ọkụ:Nnwale a na-eji voltaji dị ka àmụmà eke enyocha ihe mkpuchi nke transformer, na-achọpụta adịghị ike ndị nwere ike ibute ọdịda.
●Nnwale Mmụba Mgbanwe:Nnwale a na-egosipụta spikes voltaji site na ịgbanwee ọrụ na netwọkụ, nke nwekwara ike ime ka mkpuchi ihe ngbanwe pụta ìhè.
● Ihe na-akpali akpali:Onye na-emepụta ihe na-akpali akpali, dabere na sekit Marx, na-emepụta mkpali dị elu site na chaja capacitors n'otu n'otu ma na-ebupụ ha n'usoro.
●Arụmọrụ nnwale:Usoro ule gụnyere itinye ọkọlọtọ ọkụ ọkụ na ndekọ voltaji na ụdị ebili mmiri dị ugbu a iji chọpụta ọdịda mkpuchi ọ bụla.
Ọkụ bụ ihe a na-ahụkarị naahịrị nnyefen'ihi ogologo ogologo ha. Nke a àmụmà strok na akaraonye nduna-akpata voltaji mkpali. The ọnụ akụrụngwa nke nnyefe akara dị kaike transformerahụ na-enweta voltaji ọkụ ọkụ a. Ọzọ n'oge ụdị ọ bụla nke ọrụ ngbanwe ịntanetị na sistemụ, a ga-enwe mkpali ịgbanwee na netwọkụ. Ogo nke mkpali mgbanwe nwere ike ịbụ ihe dịka 3.5 ugboro voltaji sistemụ.
Mkpuchi dị oké mkpa maka ndị na-agbanwe agbanwe, n'ihi na adịghị ike ọ bụla nwere ike ime ka ọdịda. Iji lelee ịdị irè ya, a na-anwale ule dielectric nke transformers. Agbanyeghị, ule na-anagide ugboro ike ezughị iji gosi ike dielectric. Ọ bụ ya mere a na-eme ule mkpali, gụnyere ọkụ ọkụ na mgbanwe mkpali
Ịkụ ọkụ ọkụ
Mkpali ọkụ ahụ bụ ihe okike dị ọcha. Yabụ na ọ siri ezigbo ike ịkọ ụdị ebili mmiri nke ọgba aghara ọkụ. Site na data achịkọtara gbasara ọkụ ọkụ eke, enwere ike ikwubi na ọgba aghara sistemu n'ihi ọrịa strok eke eke, nwere ike ịnọchite anya site na ụdị ebili mmiri atọ.
●Efe zuru oke
●Ebipu ife na
●N'ihu ebili mmiri
Ọ bụ ezie na n'ezie mkpali mkpali ọkụ nwere ike ọ gaghị enwe kpọmkwem ụdị atọ a mana site n'ịkọwa ebili mmiri ndị a, mmadụ nwere ike ịmepụta ike dielectric kacha nta nke ihe ntụgharị.
Ọ bụrụ na ọgbaghara àmụmà na-aga n'okporo ụzọ nnyefe tupu eruoihe ntụgharị, ọdịdị ebili mmiri ya nwere ike ịghọ ebili mmiri zuru oke. Ọ bụrụ na ọkụ-over emee na nke ọ bụlaihe mkpuchimgbe oke ebili mmiri ahụ gasịrị, ọ nwere ike ịghọ ebili mmiri a na-egbutu.
Ọ bụrụ na strok ọkụ ahụ dakwasịrị n'ọnụ ụzọ ntụgharị, mkpali ahụvoltajina-ebili ngwa ngwa ruo mgbe ọ na-enwere onwe ya site na ọkụ ọkụ. N'otu oge nke flash-n'elu voltaji na-ada na mberede ma nwee ike ịmalite ọdịdị ihu ebili mmiri.
Mmetụta nke ụdị ebili mmiri ndị a na mkpuchi ihe mkpuchi nwere ike ịdị iche na ibe ha. Anyị agaghị ebe a n'ụzọ zuru ezu mkparịta ụka nke ụdị mkpali voltaji waveforms na-akpata ụdị ọdịda na transformer. Ma ihe ọ bụla nwere ike ịbụ ọdịdị nke ọkụ na-akpata ọgba aghara voltaji, ha niile nwere ike ịkpata ọdịda mkpuchi na transformer. Ya mereule mkpali ọkụ nke transformerbụ otu n'ime ihe kacha mkpa ụdị ule nke transformer.
Mgbanwe Mụọ
Site na nyocha na nleba anya na-ekpughe na ngbanwe n'elu voltaji ma ọ bụ mkpali ịgbanwee nwere ike ịnwe oge n'ihu ọtụtụ narị microseconds na voltaji a nwere ike ịpụpụ kwa oge. IEC - 600060 anabatala maka ule mkpali ha na-agbanwe, ogologo ebili mmiri na-enwe oge n'ihu 250 μs na oge ruo ọkara uru 2500 μs na ndidi.
Nzube nke mkpali voltaji ule bụ iji chebe naihe ntụgharịmkpuchi na-egbochi oke ọkụ nke nwere ike ime na ọrụ.
Nhazi generator nke mkpali dabere na sekit Marx. Egosiri eserese sekit bụ isi na eserese dị n'elu. Ihe mkpalicapacitorsA na-ana Cs (12 capacitors nke 750 ηF) n'otu oge site na nchaji.resistorsRc (28 kΩ) (voltaji chaja kacha elu 200 kV). Mgbe voltaji chaja erutela uru achọrọ, mmebi nke oghere ọkụ F1 na-amalite site na mpụta na-akpalite. Mgbe F1 dara, ikike nke ọkwa na-esote (isi B na C) na-ebili. N'ihi na usoro resistors Rs bụ nke ala-ohmic uru ma e jiri ya tụnyere ndị na-ebugharị Rb (4,5 kΩ) na charging resistor Rc, na ebe ọ bụ na obere-ohmic discharging resistor Ra kewapụrụ na sekit site na enyemaka spark-gap Fal. , ihe dị iche n'ofe spark-gap F2 na-arị elu nke ukwuu na mmebi nke F2 na-amalite.
Ya mere, a na-eme ka ọkụ ọkụ na-agbaji n'usoro. N'ihi ya, a na-ahapụ capacitors na njikọ usoro. A na-eme ka ndị na-agbapụta mgbapụta ohmic dị elu Rb maka ịgbanwe mkpali yana ndị na-eguzogide ohmic dị ala Ra maka mkpali ọkụ. The resistors Ra na-ejikọta ya na ndị resistors Rb, mgbe ihe enyemaka spark-gaps mebiri, na-egbu oge nke narị ole na ole nano-sekọnd.
Nhazi a na-eme ka generator na-arụ ọrụ nke ọma.
A na-atụ ụdị ebili mmiri na ọnụ ahịa kacha elu nke voltaji mkpali site na Sistemụ Analying Impulse (DIAS 733) nke ejikọrọ nankesa voltaji. A na-enweta voltaji achọrọ site na ịhọrọ ọnụọgụ kwesịrị ekwesị nke usoro ejikọtara ọnụ na site na ịhazi voltaji chaja. Iji nweta mkpa ntọhapụ ike yiri ma ọ bụ usoro-yiri njikọ nke generator nwere ike iji. N'okwu ndị a, a na-ejikọta ụfọdụ capacitors n'otu oge n'oge nkwụsị.
A na-enweta ụdị mkpali a chọrọ site na nhọrọ kwesịrị ekwesị nke usoro na nkwụsị nkwụsị nke generator.
Enwere ike gbakọọ oge n'ihu ihe dịka site na nha nha:
Maka R1 >> R2 na Cg >> C (15.1)
Tt = .RC123
na ọkara oge ruo ọkara uru site na nha anya
T ≈ 0,7.RC
Na omume, sekit ule bụ dimensioned dị ka ahụmahụ.
Arụmọrụ nke Impulse Test
A na-eme ule ahụ site na mkpali ọkụ ọkọlọtọ nke polarity na-adịghị mma. A na-akọwa oge n'ihu (T1) na oge na ọkara uru (T2) dịka ọkọlọtọ.
Ọkọlọtọ ọkụ ọkụ
Oge ihu T1 = 1,2 μs ± 30%
Oge ruo ọkara-uru T2 = 50 μs ± 20%
Na omume, ụdị mkpali ahụ nwere ike ịpụ na mkpali ọkọlọtọ mgbe ị na-anwale ikuku obere voltaji nke ike dị elu na ikuku nke ikike ntinye dị elu. A na-eji voltaji polarity na-adịghị mma eme ule mkpali ahụ ka ịzenarị ọkụ ọkụ na-adịghị agbanwe agbanwe na mkpuchi mpụga na sekit nnwale. Ndozigharị waveform dị mkpa maka ọtụtụ ihe nnwale. Ahụmahụ enwetara site na nsonaazụ ule na nkeji ndị yiri ya ma ọ bụ n'ikpeazụ tupu ịgbakọ nwere ike inye ntụzịaka maka ịhọrọ akụrụngwa maka sekit ịkpụzi ebili mmiri.
Usoro ule nwere otu mkpali ntụaka (RW) na 75% nke njupụta zuru oke sochiri ọnụ ọgụgụ ngwa voltaji akọwapụtara na njupụta zuru oke (FW) (dị ka IEC 60076-3 mkpali atọ zuru oke). The akụrụngwa maka voltaji naugbu aNdekọ mgbaàmà nwere ihe ndekọ oge dijitalụ, ihe nleba anya, kọmpụta, onye na-ese ihe na ngwa nbipute. Enwere ike iji ndekọ ndekọ na ọkwa abụọ ahụ tụnyere ihe ngosi ọdịda. Maka ịhazi ihe ngbanwe ka a na-anwale otu nkeji site na iji mgbanaka mgbata na-ebu maka nke enyere ogovoltajina a na-anwale usoro abụọ ọzọ na nke ọ bụla n'ime oke ọnọdụ.
Njikọ nke ule impulse
Nnwale dielectric niile na-elele ọkwa mkpuchi nke ọrụ ahụ. A na-eji generator impulse mepụta nke akọwapụtaravoltajimkpali ife nke 1.2/50 micro sekọnd ife. Otu mkpali nke belataravoltajin'etiti 50 ruo 75% nke voltaji ule zuru oke na mkpali atọ sochirinụ na voltaji zuru oke.
Maka atransformer nke atọ, a na-eme mkpali n'akụkụ atọ ahụ n'usoro.
A na-etinye voltaji ahụ na njedebe ahịrị nke ọ bụla n'otu n'otu, na-edobe ọnụ ahịa ndị ọzọ.
A na-edekọ ụdị ebili mmiri dị ugbu a na voltaji na oscilloscope na mgbagha ọ bụla n'ụdị ebili mmiri bụ njirisi maka ọdịda.
Oge nzipu: Dec-16-2024