A cikin sabon tsarin photovoltaic makamashi, mai canza wutar lantarki (PCS) shine babban cibiya don ingantaccen jujjuya wutar lantarki ta DC zuwa grid AC ikon. YMIN fina-finai capacitors, tare da high ƙarfin lantarki juriya, low hasãra, da kuma tsawon rai, su ne manyan sassa don inganta aikin na photovoltaic PCS inverters, taimaka photovoltaic ikon shuke-shuke cimma ingantaccen makamashi canji da kuma barga fitarwa. Babban ayyukansu da fa'idodin fasaha sune kamar haka:
1. "Garkuwar Tsayar da Wutar Lantarki" don DC-Link
A lokacin tsarin jujjuyawar AC-DC a cikin masu juyawa PCS na hotovoltaic, bas ɗin DC (DC-Link) yana ƙarƙashin manyan igiyoyin bugun jini da ƙarfin wutar lantarki. YMIN film capacitors suna ba da waɗannan fa'idodin ta:
• High-Voltage Teta sha: Aure sosai m voltages na 500v zuwa 1500v (m), Sic Switches na zamani na IGBT / SIC, kare na'urorin iko daga hadarin karya.
• Low Esr na yanzu: Low Esr (1/10 na gargajiya na gargajiya na gargajiya elequors) mafi ingancin shan asarar da wutar lantarki da inganta ingancin ƙarfin wutar lantarki.
• Babban Ƙarfin Ma'ajiyar Makamashi Mai Ƙarfi: Faɗin iya aiki yana ba da damar yin caji da sauri da caji yayin jujjuyawar wutar lantarki, kiyaye kwanciyar hankali na bas na DC da tabbatar da ci gaba da aikin PCS.
2. Kariya Biyu na Ƙarfin Ƙarfin Ƙarfafa Ƙarfafawa da Ƙarfafa Zazzabi
Tashoshin wutar lantarki na PV galibi suna fuskantar matsananciyar yanayi kamar yawan zafin jiki da zafi mai yawa. YMIN capacitors na fina-finai suna fuskantar waɗannan ƙalubale ta hanyar sabbin ƙira:
• Tsayayyen Aiki akan Faɗin Zazzaɓi: Yanayin aiki yana rufe -40°C zuwa 105°C, tare da raguwar ƙarfin ƙarfi da ƙasa da 5% a cikin yanayin zafi mai zafi, yana hana lokacin saukar tsarin saboda canjin yanayin zafi.
• Ƙarfin Ripple na yanzu: Ƙarfin sarrafa ripple na yanzu ya wuce sau 10 fiye da na masu ƙarfin lantarki na gargajiya, yadda ya kamata tace amo mai jituwa a fitowar PV da kuma tabbatar da ingancin wutar lantarki mai haɗin grid ya dace da ka'idodin ƙasa.
• Tsawon Rayuwa da Kulawa-Kyauta: Tare da tsawon rayuwar har zuwa sa'o'i 100,000, da nisa fiye da sa'o'i 30,000-50,000 na masu amfani da wutar lantarki na aluminum, wannan yana rage yawan aiki da kuma kula da farashin wutar lantarki na photovoltaic.
3. Haɗin kai tare da na'urorin SiC/IGBT
Kamar yadda tsarin photovoltaic ke tasowa zuwa mafi girman ƙarfin lantarki (ginin gine-ginen 1500V ya zama na al'ada), masu ɗaukar nauyin fim na YMIN sun dace sosai tare da na'urori masu ƙarfi na gaba:
• Taimakon Canjin Sauyawa Mai Girma: Ƙananan ƙirar ƙira ya dace da halayen halayen SiC MOSFETs (masu sauyawa> 20kHz), rage yawan adadin abubuwan da ba a iya amfani da su ba da kuma ba da gudummawa ga ƙananan tsarin PCS (tsarin 40kW yana buƙatar kawai 8 capacitors, idan aka kwatanta da 22 don mafita na tushen silicon).
• Ingantaccen dv/dt Tsayawa: Ingantaccen daidaitawa ga canje-canjen wutar lantarki, hana oscillations irin ƙarfin lantarki wanda ya haifar da saurin sauyawa mai yawa a cikin na'urorin SiC.
4. Darajar matakin-matakin: Inganta ingancin makamashi da ingantawa na farashi
• Ingantacciyar Ƙarfafawa: Ƙarƙashin ƙirar ESR yana rage asarar zafi, yana haɓaka aikin PCS gabaɗaya kuma yana haɓaka samar da makamashi na shekara-shekara sosai.
• Ajiye sararin samaniya: Ƙirar ƙarfin ƙarfin ƙarfi (ƙananan 40% fiye da masu ƙarfin gargajiya) yana goyan bayan shimfidar kayan aikin PCS mai ƙaƙƙarfan kuma yana rage farashin shigarwa.
Kammalawa
YMIN fina-finai capacitors, tare da ainihin fa'idodin su na babban ƙarfin ƙarfin lantarki, ƙarancin zafin jiki, da kiyayewar sifili, an haɗa su sosai cikin mahimman abubuwan inverter na PCS na hoto, gami da buffering DC-Link, kariyar IGBT, da tacewa na jituwa. Suna aiki a matsayin "mai kula da mara ganuwa" na ingantaccen aiki da kwanciyar hankali a cikin shuke-shuken wutar lantarki na photovoltaic. Fasahar su ba kawai tana tafiyar da tsarin ajiyar makamashi na hoto zuwa “kyauta ba a tsawon rayuwarsu,” amma kuma yana taimaka wa sabbin masana'antar makamashi don hanzarta cimma daidaiton grid da canjin carbon-carbon.
Lokacin aikawa: Agusta-14-2025