DC Capacitors a cikin Photovoltaic Inverters - Wuxi CRE New Energy Technology Co., Ltd.

Samar da wutar lantarki mai amfani da hasken rana zai taka muhimmiyar rawa wajen amfani da makamashin duniya nan gaba kadan, ba kawai don maye gurbin wasu hanyoyin samar da makamashi na al'ada ba, har ma ya zama babban tushen samar da makamashi a duniya.

Photovoltaic inverters su ne inverters waɗanda ke canza canjin wutar lantarki na DC da aka samar ta hanyar hasken rana na photovoltaic (PV) zuwa mitar mai amfani mai canzawa (AC), wanda za'a iya mayar da shi cikin tsarin watsa kasuwanci ko amfani da shi a cikin tsarin kashe-grid.Tunda ana amfani da inverters gabaɗaya a cikin yanayin waje kuma suna buƙatar aiki mai dogaro na dogon lokaci da ƙarancin kulawa, masu amfani da ƙarshe da masu ƙira suna da ƙaƙƙarfan inganci da buƙatun dogaro ga abubuwan da aka yi amfani da su a cikin waɗannan na'urori.A matsayin mai ɗaukar hoto da tallafi a cikin tsarin canjin makamashi, masu ƙarfin fim suna taka muhimmiyar rawa a cikin dukkan nau'ikan inverters na photovoltaic.Idan ba a zaɓe su da kyau ba, za su yi mummunar tasiri ga kwanciyar hankali da rayuwar kayan aiki.

Don amfani a cikin da'irar inverter, da fatan za a duba misalin aikace-aikacen a cikin hoton da ke ƙasa:

Matsayin capacitor-link na DC:

1) A cikin da'irar inverter, ƙarfin fitarwa na rectifier yana da laushi da tacewa;

2) Sha da babban-amplitude pulsating halin yanzu nema ta inverter daga "DC-Link", hana shi daga haifar da high-amplitude pulsating irin ƙarfin lantarki a kan impedance na "DC-Link", da kuma ci gaba da ƙarfin lantarki hawa da sauka a kan DC bas a cikin iyakan iyaka;

3) Hana overshoot irin ƙarfin lantarki da wuce gona da iri na "DC-Link" daga rinjayar IGBT.

Saboda haka, da bukatun ga capacitors:

1) Tabbatar da isasshen juriya

2) Isasshen capacitance

3) Isasshen ƙarfin halin yanzu, ƙarancin ESR mai yiwuwa

4) Bukatar kyawawan halayen mitar, ƙananan ESL kamar yadda zai yiwu

5) Gamsar da matsanancin zafi na waje da yanayin aikace-aikacen zafi mai zafi

Wuxi CRE New Energy Technology Co., Ltd. ya daɗe yana mai da hankali kan aikace-aikacen capacitors na fim a cikin wutar lantarki na dogon lokaci.Yin niyya ga yanayin aikace-aikacen da ya dace a cikin masu juyawa na hotovoltaic, dangane da fasahar fim ɗin CRE ta DC mai goyan bayan babban juriya, yana ɗaukar ƙarancin hasara, babban zafin jiki mai jurewa Polypropylene Dielectric ya tsara da haɓaka jerin capacitors na fim tare da babban zafin jiki da zafi mai zafi. juriya, ƙananan ESR (ƙananan samar da zafi), babban abin dogara da tsawon rai.

Daga cikin su, halayen aikin DMJ-PS DC bas capacitor sune kamar haka: