JAMK, 05.10.2017 MegaWattikoon aurinkosähköjärjestelmät 15.30 16.00 Jukka Mäkinen, Product Manager, ABB Oy
Agenda 1. Megawattiluokan aurinkosähköjärjestelmät tekniikan kertaus 2. PV-voimalan mitoitus 3. 4 MW P PV-voimala - References 4. Yhteenveto October 6, 2017 Slide 2
ABB on SCADA Substations Microgrid solutions Energy storages Industry solutions Robotics Motion Power Grid solutions Service Electric traffic Power Generation Smart living October 6, 2017 Slide 3
ABB ja aurinkosähkö Kattava valikoima ratkaisuja PV-paneelien kytkentäkoteloista invertterien kautta sähköasemiin October 6, 2017 Slide 4
Centralized vs Distributed topology Centralized Benefits: Long track record on HW & SW Reactive power compensation Easy to administrate Fast and easy commissioning Distributed Benefits: High number of MPPTs Modular & redundant Easy for O&M Challenges: More DC cabling Indoor design Challenges: AC cabling, cable losses Controlling large PV plants High number of commissioning Note: - Long term track record Note: Depending on grid owner - typically demands step-up 0,4/20 kv, Up to 2 5 MW peak max. October 6, 2017 Slide 5
Central topology 1000 V DC MAX 400 V AC MAX 20 kv AC 110 kv AC 110 kv AC 20 kv AC 660 V AC MAX 1500 V DC MAX October 6, 2017 Slide 6
SLD October 6, 2017 Slide 7
SLD October 6, 2017 Slide 8
2 MW PEAK PVS800-IS 7 x 2 x 1 x 7 x October 6, 2017 Slide 9
SLD October 6, 2017 Slide 10
Aurinkosähköjärjestelmät keskitetty topologia Single Line Diagram Arraybox 2 x 8 x 24 ch VSN800 VSN700 RETA-01/ 2 x PVS800-57-1000 Trafo SWG RMBA-01 1+1 Modbus 1000 V DC 240 V AC 400 V AC Direct 20 kv AC String monitoring October 6, 2017 Slide 11
Aurinkosähköjärjestelmät keskitetty topologia SLD Arraybox VSN800 VSN700 RETA-01 PVS800 Trafo SWG MVSWG October 6, 2017 Slide 12
Aurinkosähköjärjestelmät keskitetty topologia SLD - data Arraybox VSN800 VSN700 RETA-01 PVS800 Trafo SWG MVSWG PT100, RE.. Application program in PVS800 required October 6, 2017 Slide 13
Aurinkosähköjärjestelmät keskitetty topologia - DC arraybox 24 channel October 6, 2017 Slide 14
ABB PVS800 central inverter - Overview Designed for large scale grid-connected photovoltaic (PV) solar energy production Based on ABB s highly successful technology platform used in frequency converters and wind turbine converters Power ratings from 100 to 1000 kw Transformless IGBT type design with 1000 Vdc max input voltage, 1100VDC with 875kW and 1000kW units. IP42 cabinet design with flexible DC input cabinet section October 6, 2017 Slide 15
ABB PVS800 central inverter 1000 kw AC output DC input DC input section (customer specific) 8 busbar inputs fuses Overvoltage protection Fuses EMC filter DC grounding (optional) Inverter section Inverter modules 3 pcs Output filter module (LCL) 3 pcs AC output section Contactor EMC filter Disconnector Fuses Output connections Auxiliary controls section October 6, 2017 Slide 16
ABB inverter station, PVS800-IS Overview All-in-one solution in 1,75 and 2 MW sizes: Corrosion protected standard 20 foot HC sea container based structure Air cooled flow through system with thermally insulated envelope 2 x PVS800 central inverters, 875 or 1000 kw 6 x R8i power and LCL filter module pairs modularity, reliability and serviceability Local power supply AC panel included with container interior wiring Walk-in service friendly container interior with adequate space for additional accessories Floor structure optimized for easiness of cabling Integrated double stage air pre-filtering Transportation and lifting with normal truck crane Design optimised for sea transport October 6, 2017 Slide 17
ABB inverter station, PVS800-IS Layout Air intakes double stage G4 filtering system F7 as an option for heavy-duty usage Fast on site added weather protection hoods Standard 20 HC form factor suitable for standard trailer Sand removal doors C4 class surface coating C5 as an option for near coastal usage Easy cabling Animal protection Auxiliary power supply system to support both MV and IS stations Over voltage / current protetions 3~ 6A feeding terminal to MV substation 6kVA embedded transformer as an option Embedded MV substation alarm/trip load control October 6, 2017 Slide 18
ABB inverter station, PVS800-IS Layout 800 x1000 ( w x h) free space reservation for post installations (e.g. monitoring). 2 x PVS800 central inverters 600 x 1300 (w x h) free space for additional post installations (e.g. for UPS) Power supply and earthing points ready installed. Safety exit door Optional air cooler for extreme hot temperatures (project specific option) Proper working interior Cabling tunnel for post assembled cables October 6, 2017 Slide 19
ABB inverter station, PVS800-IS Layout 1. Exit door 2. Inverters 3. Air inlets with filtering systems 4. Air outlets with weather protection hoods 4 5. Local power enclosure 6. Optional AUX transformer 7. Installation base for add-on components eg. monitoring cabinet. 8. Main earthing bar (in cabling tunnel) 3 7 2 3 1 3 8 6 5 2 3 4 October 6, 2017 Slide 20
ABB medium voltage housing, PVS800-MVH Overview All-in-one solution 1.9-2.4 MVA Hot dip galvanized light weight steel frame with concrete foundation Separate compartments for transformer and medium voltage switch ABB dry type or oil immersed transformer ABB SafeRing MV switchgear Accessories Features: Targeted for medium temperature and cold climates Specially suitable for road transportations For sea transport on special cases October 6, 2017 Slide 21
ABB medium voltage housing, PVS800-MVH Overview, with dry type transformer ABB dry type cast resin transformer 6-24 kv Designed for IGBT inverter use Natural convection cooling Transformer temperature monitoring Temperature alarm signal to inverter to limit power Temperature trip signal to stop inverter ABB Safering Switchgear ABB dry type transformer October 6, 2017 Slide 22
ABB medium voltage housing, PVS800-MVH PVS800-MVH and PVS800-IS site layout PVS800-IS PVS800-MVH Service door Free area 2-3 m Free area 2-3 m 2-3 m October 6, 2017 Slide 23
VSN700 Data Logger Overview General Specifications 2x RS-485 ports 2x RS-232 ports 2x Ethernet Ports 1x USB port 256MB Flash Linux kernel -40C to +85C October 6, 2017 Slide 24
VSN800 Weather Station Overview General Specifications VSN800-12 Ambient temperature Global horizontal irradiance Back of module temperature VSN800-14 Ambient temperature Global horizontal irradiance Plane of array irradiance Back of module temperature Wind speed & wind direction October 6, 2017 Slide 25
Connecting DC array boxes to automation systems Wired VSN700 Local control system Ethernet Modbus RT RS-485 Wired Ethernet router Local control system Modbus RT RS-485 Modbus adapter/ AC500 October 6, 2017 Slide 26
REG615 Generator and Interconnection Protection Relay Rocof (rate of change of frequency) suojaus: Jos taajuuden muutosnopeus on suurempi kuin 2 Hz/s vähintään 0,15 sekunnin ajan, suoritetaan laitoksen irrotus verkosta, tämä valvonta on osana anti-islandtoiminnallisuutta Voi olla osana keskusinvertterin toiminnallisuutta tai liityntäpisteessä erillisellä suojareleellä October 6, 2017 Slide 27
Hybrid Power Generation Utility scale BESS Stabilizing SOLAR High RE penetration, PVS800, PCS100, MCG600, BESS PV >50% Fossil PG Stabilizing SOLAR Medium RE penetration, PVS800, PCS100, MCG600 PV 20-50% Fossil PG Low RE penetration, PVS800 SOLAR PV 20-30% Fossil PG No RE penetration PV 0% October 6, 2017 Slide 28
PV-voimalan mitoitus Mitoitusesimerkki: Geneeerisellä 270 Poly aurinkopaneelilla, paneeliketjun pituus 21, rinnakkaisten paneeliketjujen määrä 185 / central invertteri, kun käytetään 24 ch DC-kytkentäkoteloa -> 185/24 -> 8 koteloa / central invertteri. PV-voimalan kokonaisteho on kahdella PVS-IS kontilla 4195,8 kwp. October 6, 2017 Slide 29
PV-voimalan mitoitus PV size 1. Valitse kaupunki 2. Valitse asennusteline 3. Valitse orientaatio jatka October 6, 2017 Slide 30
PV-voimalan mitoitus PV size 4. Valitse paneeli 5. Valitse invertteri 6. Aseta lämpötila jatka October 6, 2017 Slide 31
PV-voimalan projektiorganisaatio October 6, 2017 Slide 32
3. 4MWp PV power plant 2 x PVS-IS + PVS-MVH October 6, 2017 Slide 33
3. 4 MW P PV-voimala October 6, 2017 Slide 34
3. 4 MW P PV-voimala October 6, 2017 Slide 35
3. References PVS800 Honduras, Soposa/ Cohessa 146 MWp PV plant October 6, 2017 Slide 36
3. References PVS800 over 6500MWp delivered October 6, 2017 Slide 37
4. MegaWattikoon aurinkosähköjärjestelmät - yhteenveto Keskeisiä yksityiskohtia: Mahdollisimman varhaisessa vaiheessa yhteys sähköverkkoyhtiöön String monitoroinnilla voidaan tarkemmin seurata tuotantoa PV- paneeleiden toimintaa, edellyttää AC ja Modbus kaapelointia Pyörivän generaattoritehon suhde tulee olla 1,5 kertainen PV tehoon nähden Isommissa > 100 kwp PV-voimaloissa voi verkkoyhtiö edellyttää esimerkiksi ROCOF suojausta ja nopeampaa Anti-islanding toimintoa (* yli 5 MWp voimaloiden kytkeminen 20 kv keskijänniteverkkoon tuo mukanaan joitain tarkennuksia liityntäehtoihin (* valvotaan verkkotaajuuden muutosnopeutta (rocof, rate of change of frequency) October 6, 2017 Slide 38
4. MegaWattikoon aurinkosähköjärjestelmät - yhteenveto Keskeisiä yksityiskohtia: Kiinteissä asennuksissa PV-paneelien mitoituksessa suositellaan optimi tai ylimitoitusta kertoimella 1.2 1.4 x invertterin AC teho Mitoituksen arviointiin voidaan käyttää PVsize ohjelmaa, asennuksen yhteydessä tulee asentaa Matlab-tiedosto ohjeen mukaan Keskusinverttereillä voidaan tuottaa loistehon kompensointia 24/7 Pääkomponenttien toimitusajat voi olla 10-16 viikkoa Tyypillisesti 2 MWp blokkeina Keskitetty topologia kustannustehokkaampaa telineasennuksissa >1 MWp PV-voimaloissa October 6, 2017 Slide 39
October 6, 2017 Slide 40