태양광 인버터에 의한 발전효율 ... - procon.co.kr

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2 (MPPT : Maximum Power Point Tracking) . 3 , , . 60~80% .2. (String) (Central) , (MIC : Module Integrated Converter), (Multi-Strin) (Multi-Central) . MIC , 1 1 . 1 . MIC , MPPT , 2. 3. Si Si Si (a - Si Thin File) (Single Crystalline Si) (Poly - Crystalline Si)II-VI : CdTe, CIS III-V : GaAs, InP, InGaAs : Quantum Dot Cell, Dye Cell (Poly - Crystalline Si Thin File)( )( ) Max Power30 60 90 120 150 (Cell )(Cell ) 106 , , 1.

3 , . , . , , . (Central) , , 1 MPPT . , . (Multi-Central) , , . 1. MICS tringMulti-StringCentral Multi CentralAC modulesString InverterCentrial InverterCentrial InverterCentrial InverterMulti-string InverterWestPV-size 1 MPPT, DC-DCMPPT, DC-DCDC-ACMPPT, DC-DCPV-size 2PV-size 3 SouthgridEastgridgridgrid MPPT DC (94%, )(96%, )(96%, )(98%, )(97%, ) MPPT , Central MPPT / DC/DC MPPT 2 , 2015.

4 7 107 3.. ( ) . , , , .. ( / , / ) , (Islanding) . , (Active Grid Support) , LV RT(Low Voltage Ride Through), HVRT(High Voltage 4. LVRT Limit curve of voltage dipU/Uc100%70%45%30%15%0 in msType 2 limitPoint in time of fault occurrenceLower value ofvoltage band= 90% UcThere is norequiremet forstaying connectedbelow the blue Ride Through).

5 4. , , IGBT (SiC : Silicon Carbide) , 5, 6 2 3 , .. , . , . , , , 6. 3 5. 2 MCCBIGBT ModulsNPC 3-Level IGBTINPUTFUSEDCS witchAC EMC FilterAC EMC FilterFilter +++-CfCdBOT5 BOT3 BOT2 BOT1 TOP3 TOP2 TOP1ipv2015. 7 109 . DC.

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7 , . ( & / ) FA PA DCS, PLC, , , , , ( ), , , ( ) A4 4~10 ( ) ,E-mail . E-mail ( ) . 2 12 708 ( 3 , )TEL : (02)2168-8897 / FAX : (02)2168-8895 E-mail : / : 15