ọkụ na-agbaze ọkụ ụkpụrụ ọrụ – myirịta resonance

ugboro ugboro ike ọkọnọ

Ọkụ ọkụ induction na-agbaze ọkụ na-anabata resonance yiri ya ike ugboro etiti ọkọnọ, nke bụ ngwa izizi nke ọkụ na-enye ọkụ etiti oge na China. Ọ bụ ngwaọrụ ngbanwe ugboro ugboro na-atụgharị ugboro atọ ike ọkụ ọkụ AC ka ọ bụrụ ike eletrịkị nke etiti nkeji otu nkeji. Ya uru bụ na ọ nwere ike ibu adaptability na ike ga-eji dị ka ike ọkọnọ maka ọkụ na-agbaze ọkụ .

Ọgụgụ 2-1 na-egosi ụkpụrụ eserese nke isi sekit nke myirịta resonant etiti ugboro ike ọkọnọ, nke bụ tumadi esịnede kewapụrụ mgba ọkụ (DK), AC contactor (ma ọ bụ electric sekit emebi KM), na-abata akara inductance (L1 ~ L3) , na ngwa ngwa coupler (FU), rectifier (VT1 ~ VT6), smoothing reactor (LF), inverter (VT7 ~ VT10), yiri resonant ibu (L, C). The rectifier na-atụgharị ugboro atọ ike ugboro alternating ugbu a n’ime kpọmkwem ugbu a; a na-eji reactor na-eme ka ọ dị nro na-enyocha ihe na-emezigharị ugbu a ma kewapụ voltaji dị iche iche n’etiti rectifier na inverter; ihe inverter na-atụgharị ugbu a kpọmkwem ka ọ bụrụ otu ugboro etiti etiti oge Alternating current; The yiri resonant ibu nke mejupụtara inductor na a nkwụghachi ụgwọ capacitor nwere ike mma imeghari ka mgbanwe nke ibu Njirimara n’oge kpo oku usoro.

Ọgụgụ 2-1 Parallel resonance etiti ugboro ike ọkọnọ isi sekit

( 1) Atọ-phase akwa-ụdị zuru ezu-achịkwa rectifier circuit The rectifier sekit nke myirịta resonant etiti ugboro ike ọkọnọ nakweere a atọ-phase akwa-ụdị zuru ezu na-achịkwa rectifier sekit. E gosipụtara ụkpụrụ ahụ na eserese 2-2. Ebe ọ bụ na reactor smoothing (LF) nwere nnukwu inductance na ibu ya bụ ibu na-emepụta ihe, mmepụta nke ugbu a site na rectifier na-aga n’ihu na ahịrị kwụ ọtọ. Mgbe aW60 ° , mmepụta waveform nke sekit rectifier bụ otu ihe ahụ dị ka nke na-eguzogide ibu, na iwu nduzi bụ otu ihe ahụ dị ka nke nkwụsị. Mgbe a> 60 ° , n’ihi mmetụta nke inductor LF , thyristor ka ga-agbanye mgbe ọkụ ọkụ na-agafe efu, ruo mgbe thyristor na-esote na-eme ka ọ gbanye, nke mere na mpaghara na-adịghị mma na-apụta n’ụdị waveform nke. voltaji mmepụta rectifier, mana ihe nrụpụta ugbu a ka bụ Otu ọkwa

Waya. Mgbe njikwa njikwa na-abawanye ruo 90. Mgbe mpaghara dị mma na nke na-adịghị mma na voltaji voltaji na-emepụta nha nhata, nkezi uru nke mmepụta voltaji Ud = 0. Mgbe a> 90 °, sekit rectifier na-arụ ọrụ na ọnọdụ inverter na-arụ ọrụ. Usoro ngbanwe nke akụkụ nke sekit rectifier nke ọkụ na-enye oge etiti bụ 0 ° ~ 150 °.

(2) Ihe onyonyo nke 2-3 bụ schematic eserese nke sekit inverter yiri. A na-ejikọta capacitor C na sekit ibu ibu n’otu n’otu na eriri inductor L, na commutation dabere na ụkpụrụ nke resonance yiri ya, n’ihi ya, a na-akpọ ya a parallel resonance inverter circuit. DC voltaji Ud nke thyristor na-achịkwa nke ọma sekit rectifier na-aga n’ihu na-agbanwe agbanwe, na parallel inverter sekit na-atụgharị DC ike n’ime etiti oge AC ike ọkọnọ ibu. Ụdọ akụkụ DC nwere nnukwu nzacha inductance LF, yabụ na ọ bụ ụdị inverter dị ugbu a. N’ihi na ugboro ọrụ dị oke elu, thyristors nke ogwe aka akwa 4 nke sekit inverter na-anabata thyristors ngwa ngwa. L7 ~ L10 bụ commutation inductance nke inverter thyristor, nke a na-eji na-amachi ọnụ ọgụgụ ịrị elu nke thyristor ugbu a n’oge njem.

Ọgụgụ 2-3 Eserese atụmatụ nke sekit inverter yiri ya