PVS-100/120-TL The largest 1000Vdc string inverter in the solar industry

PRODUCT MANAGEMENT, REV. FEBRUARY 2018 PVS-100/120-TL The largest 1000Vdc string inverter in the solar industry Andrea Genovesi, Gianluca Marri, Marco Trova, Arttu Rantala

Agenda Introduction Value Proposition Datasheet, available models & ordering codes Efficiency, P-Q Capability, Temperature & Voltage Deratings Improve Safety, Availability and Fault Segregation Capabilities of your PV System Installation Guidelines Advanced Communication Capabilities «Web User Interface» & «ABB Installer» for Solar Inverters March 5, 2018 Slide 2

New cost effective high power platform Application? For large commercial/ industrial rooftops and for ground mounted PV installations Why? Reduced CAPEX high power density Reduced OPEX fast installation and easy configuration, thanks to ABB Ability TM Platform offering Smart communication capabilities, Wi-FI- fast configuration with any laptop/tablet/smart phone Integrated data logging and direct connection to ABB cloud High reliability via extensive testing and advanced cooling methods March 5, 2018 Slide 4

Two box construction Dimensions High power density almost 1000W/kg Two box structure (Inverter box ~70 kg, wiring box ~55kg) Power module Benefits: Two person can manage the mounting of boxes Cost saving on logistics Wiring box/ inverter box can be stocked separately Future local variants of wiring box possible 869 mm 1086 mm Wiring Box 419 mm March 5, 2018 Slide 5

Complete portfolio 30kW 100kW 1MW 5MW 20MW+ Complete portfolio benefits: - With higher power inverters further cost effectiveness and savings in balance of system cost - Use smaller inverter to fill in the corners of the plant March 5, 2018 Slide 6

Agenda Introduction Value Proposition Datasheet, available models & ordering codes Efficency, P-Q Capability, Temperature & Voltage Deratings Improve Safety, Availability and Fault Segregation Capabilities of your PV System Installation Guidelines Advanced Communication Capabilities «Web User Interface» & «ABB Installer» for Solar Inverters March 5, 2018 Slide 7

VALUE PROPOSITION Six in One Six in ONE Power dense Installer friendly O&M friendly edit abile Versatile SIX in ONE All-in-One, combiner-free design ABB Ability O&M friendly March 5, 2018 Slide 8

O&M friendly edit abile ABB PVS-100/ PVS-120 VALUE PROPOSITION Six in One POWER DENSE SIX in ONE The larger capacity on the market for a 1000Vdc string inverter! Less inverters are required to complete the optimal power block Reduced logistic and installation costs From 3 Boxes to a single Box March 5, 2018 Slide 9

DENSE 2,4 MW Power Block Lay-out COMMON DATA Installed DC Power [kwp] 2976 Poly PV module Type 72cells 310Wp Panels in series 20 Total number of strings 480 N 20 x PVS-120: 24 strings for each inverter N 40 x 60kVA Inverter: 12 strings for each inverter (ref. TRIO-60.0-TM) or March 5, 2018 Slide 10

DENSE 2,4 MW Power Block Lay-out 60kW Inverter solution PVS-120 inverter solution N 40 inverter / 120MPPT N 20 recombiner box Box 60kW Inverter MV station PVS-120 N 20 inverter / 120MPPT March 5, 2018 Slide 11

DENSE 2,4 MW Power Block Lay-out 60kW Inverter solution PVS-120 inverter solution Saving: 50% less inverters Reducing cost for logistics and installation up to 50% Saving: Avoid cost for recombiner box (up to 0,35 cent/w saving) Avoid cost for logistics and installation N 40 inverter / 120MPPT N 20 recombiner box Box 60kW Inverter MV station PVS-120 N 20 inverter / 120MPPT March 5, 2018 Slide 12

O&M friendly edit abile ABB PVS-100/ PVS-120 VALUE PROPOSITION Six in One INSTALLER FRIENDLY SIX in ONE The easier to install for a product of its category!. Same as installing a DC string combiner box. The PV module s mounting structure can be used to install the inverters Saving time and cost on logistics and site preparation (no heavy trucks and no concrete foundations required) Operational costs reduced by quicker installation via Installation wizard, installer app and wireless access with any laptop and mobile device March 5, 2018 Slide 13

INSTALLER FRIENDLY Mounting Bracket: 3 pieces simple to assemble March 5, 2018 Slide 14

INSTALLER FRIENDLY Two Boxes (Wiring Box and Inverter Box): Easy to install on the bracket Toggle Clamps on both sides Click March 5, 2018 Slide 15

Installer and maintenance friendly mechanical design Fast installation, service friendly Fast opening of cover with key PV quick connectors for fast installations Wi-Fi for WebUI access Benefits Reduced time for cabling, fuse/ SPD check (, Comm wiring) Configuration via Wi-Fi without the need to open covers reduces risk of water leak inside the inverter Reduced time to repair (i.e. consumables fuses, SPD) Repair on site concept fast and cost effective repair at site or close to the site Key March 5, 2018 Slide 16

O&M friendly edit abile ABB PVS-100/ PVS-120 VALUE PROPOSITION Six in One VERSATILE SIX in ONE Multi-mppt (6) wide input voltage range platform Larger capacity comes without compromising the inherent flexibility and versatility which is typical of smaller string inverters Design-friendly inverter, can be easily adapted for any application in commercial rooftop and free field ground mount installations 20 60 Fixed Tilt Mounting Single-Axis Tracking East-West Mounting March 5, 2018 Slide 17

VERSATILE Free Field Ground Mount Installation 1 PVS-100/120 H H 2 3 4 L 6 5 L 2 X PORTRAIT DC/DC INVERTER M H H M L 2 4 6 1 3 5 PVS-100/120 L 3 X LANDSCAPE DC/DC INVERTER March 5, 2018 Slide 18

VERSATILE Commercial Rooftop Installation E W E W 2 4 6 1 3 5 PVS-100/120 DC/DC INVERTER 24 strings (12 east, 12 west) / 4 each MPPT 20 modules in series, 350Wp P DC = 168kWp DC/ Ratio = 140% March 5, 2018 Slide 19

O&M friendly edit abile ABB PVS-100/ PVS-120 VALUE PROPOSITION Six in One All-In-One / Combiner-Free Design SIX in ONE Saving capex and opex costs! Integrated string combiner box with DC disconnect and the wiring compartment Wide space for wiring and ability to receive large Aluminum cable cross section Saving the cost of separate DC combiner box and 1 st level combiners plus the associated installation costs! Two combiner models available: BASE solution Save costs FULL optional solution WB-SX-PVS-100/120-TL WB-SX2-PVS-100/120-TL March 5, 2018 Slide 20

All-In-One / Combiner-Free Design Typical design with two 60kWp string inverters: What we can do with the NEW PVS-100/120? LV/MV Trafo March 5, 2018 Slide 21

All-In-One / Combiner-Free Design Integrated string combiner box with DC disconnect and Typical design with two 60kWp string inverters: What we can do with the the wiring compartment NEW PVS-100/120? Saving the cost of separate DC combiner box and 1 st level combiners plus the associated installation costs! Up to 24 strings (2x6mmq) PVS-100/120-TL-POWERMODULE-400 Up to 4x185mmq / 3x185mmq +PE LV/MV Trafo WB-SX2-PVS-100/120-TL March 5, 2018 Slide 22

All-In-One / Combiner-Free Design What do we mean with Side connections & DC Side connections a real ALL-IN-ONE & combiner? protections protections Control & Monitoring March 5, 2018 Slide 23

O&M friendly edit abile ABB PVS-100/ PVS-120 VALUE PROPOSITION Six in One ABB Ability Improved user experience in large scale installations (Installer App for plant commissioning, installation wizard, ) SIX in ONE Self-consistent: advanced logging and control capabilities embedded into the inverter, thus improving reliability. Reduced time on site: Life time free remote cloud services (FW upgrade, asset management,.) Proven technology: for better protecting customer s investment (TCP/IP, Modbus Sunspec certified, IEC 61850 information model, ) Future-proof: meet current and future regulatory norms (like Rule 21- Step 2, EC61850, ) March 5, 2018 Slide 24

TCP / IP Ethernet (Modbus TCP Sunspec ABB PVS-100/ PVS-120 ABB Ability Aurora Vision Protecting Customer Investment Plant Viewer Plant Viewer for Mobile Accounts/ Assets management Plant Portfolio Manager Monitoring FW Upgrade Operations & Maintenance Off-the-Shelf TCP/IP components Standard technology: no need to educate people IP protocol is the only one really suitable for IoT Internet Modbus TCP Sunspec for zero cost integration with third party devices RS485 VSN800 Weather Station Ethernet (Modbus TCP Sunspec) Wi-Fi Meter @ POI Installer App Wi-Fi Router / Gateway Ethernet Closed Loop Control Utility Compliant with modern regulatory norms (like Rule 21 Step 2, IEC61850,.) Multiple data streams and services can run at the same time - Remote monitoring - Plant control (incl. dynamic feed-in) - Remote FW update - Remote parameter s setting March 5, 2018 Slide 25

Ethernet Fiber ABB PVS-100/ PVS-120 ABB Ability Aurora Vision CLOUD Minimizing Customer Costs Plant Viewer Plant Viewer for Mobile Plant Portfolio Manager Switch Installer App for Plant Commissioning Accessories directly connected to the inverter: (VSN800 Weather Station, meter, ) Multi inverter commissioning via Installer App Internet Integrated Web Server and Wi-Fi channel: parameter s setting via any WLAN-enabled device Switch RS485 Free of charge access to ABB cloud remote services including: - Remote access to inverter data - Remote FW update - Remote monitoring / Troubleshooting - User and asset management - Reporting and alarming through mobile app and web portal WLAN enabled device for accessing to integrated Web Server March 5, 2018 Slide 26

O&M friendly edit abile ABB PVS-100/ PVS-120 VALUE PROPOSITION Six in One O&M friendly SIX in ONE Easy and Basic Maintenance during system operating life Advanced cooling concept combined with a 2 box design help in preserving the lifetime and minimizing the O&M costs Heavy-duty cooling fans, easily removable during scheduled maintenance cycles Power module can be easily replaced without removing the wiring box. March 5, 2018 Slide 27

O&M friendly Routine maintenance only includes inspection, cleaning and checks that can be performed without any advanced technical skills External inspections Wiring box inspections (PV connectors, tightening cable check) March 5, 2018 Slide 28

O&M friendly O&M friendly Smart access to all wiring box protection devices SPD type II Fuses Boards SPD type II March 5, 2018 Slide 29

O&M friendly Advanced cooling concept 2 independent and separated forced air circuits External circuit for power converter: - Cold air from the sides of the unit - Hot air exhaust from the rear Internal air recirculation circuit: - cooling of electromechanical components (inductors, contactors, capacitors, ) - Internal air temperature equalization N 2 monitored and replaceable IP54 fans on both sides N 2 monitored and replaceable internal fans recirculating air inside wiring box & power converter March 5, 2018 Slide 30

O&M friendly Advanced cooling concept 2 independent external air circuits: Booster on the left side Inverter on the right side Benefits: Increased lifetime as temperature of components is kept under control Enables vertical and horizontal mounting Fans speed modulation, to reduce self consumption and preserve fan lifespan Wiring box temperature controlled (minimize thermal stress on fuse and contactor) March 5, 2018 Slide 31

O&M friendly Power module can be easily replaced without removing the wiring box. March 5, 2018 Slide 32

Data-sheet Inverter parameters 6 Independent MPP / 24 strings One string/mppt supports 30 A fusing to allow 5 th string per MPP channel PVS-100 (100kW, 400Vac, 3ph 50/60Hz): VMPPT = 480 850 Vdc PVS-120 (120kW, 480Vac, 3ph 50/60Hz): VMPPT = 570 850 Vdc Construction, weight, volume IP66 Forced Air cooling Two box construction Mounting vertically/horizontally High Power density ~1000W/kg Efficiency (PVS-120) Max. Efficency: 98,9% EU Efficency: 98,6% CEC Efficency: 98,6% IP User Interface Standard LEDs Integrated Web User Interface for managing inverter IOS and Android installation app for multiple inverter commissioning Standard level access to Aurora Vision remote monitoring service Communication 2 x Ethernet; Wi-Fi Channel 1 x RS485; Modbus RTU/TCP (Sunspec compliant); Integrated datalogger and direct connection to Aurora Vision remote portal In/Out protections Type 2 Surge arrester (both DC and ) Insulation monitoring control per IEC 62109-2 March 5, 2018 Slide 34

PVS-100/PVS-120 components Components 1. 1 Power module 2. 2 Wiring box 3. 3 Mounting bracket It is necessary to order 3 components above. As optionally 4. 4 multicore plate for 1+PE cables (as default single core plate for 4+PE cables) 1 2 3 4 Unipack codes with package of above components to reduce custom duties are available as well March 5, 2018 Slide 35

Available options All integrated SX version Cost cut 1. 1 PVS-120-TL-POWER MODULE or PVS-100-TL-POWER MODULE 2. 2 WB-SX-PVS-100-TL or WB-SX-PVS-120-TL 3. 3 MOUNTING BRKET; PVS-100/120 SX2 version Full version 1. 1 PVS-120-TL-POWER MODULE or PVS-100-TL-POWER MODULE 2. 2 WB-SX2-PVS-100-TL or WB-SX2-PVS-120-TL 3. 3 MOUNTING BRKET; PVS-100/120 DC input output Wiring box DC quick connectors Input monitoring Fuses (15A as standard) DC disconnect switch DC SPD Type II disconnect switch SPD Type II WB-SX-PVS-100-TL / WB-SX-PVS-120-TL 24 ch Per MPPT (6ch) Positive pole only WB-SX2-PVS-100-TL / WB-SX2-PVS-120-TL 24 ch Per individual string (24ch) Both poles March 5, 2018 Slide 36

Available PN PN Model designation Class 3P809900000A PVS-100-TL-POWER MODULE PVS 3P209900000A PVS-120-TL-POWER MODULE PVS 3P47000WB06A WB-SX2-PVS-100-TL/24 INPUTS PVS 3P47000WB07A WB-SX-PVS-100-TL/24 INPUTS PVS 3P47000WB08A WB-SX2-PVS-120-TL/24 INPUTS PVS 3P47000WB09A WB-SX-PVS-120-TL/24 INPUTS PVS 3P510000000A MOUNTING BRKET Accessory 3P51000J000A OUTPUT PANEL M63 FOR WIRING BOX Accessory 3P899901000A PVS-100-TL;SX2;FULL Unipack 3P899902000A PVS-100-TL;SX;FULL Unipack 3P909901000A PVS-120-TL;SX2;FULL Unipack 3P909902000A PVS-120-TL;SX;FULL Unipack 3P51000A000A PVS INSTALLATION AND LIFTING KIT* Accessory March 5, 2018 Slide 37 * At least one PVS installation and lifting kit required per plant

Cabling easy access DC connection 48 PV quick connectors enables fast and secure connection 2 DC switches connection Single core 1 & multicore 2 cable panels 185mm2 with M10 lug Supports long distances (Direct from field to LV switchboard at MVC) Cu or Al both supported 4W or 3W, no neutral required to operate inverter, savings in cable costs Comm 2 x Ethernet (RJ45) + 1 RS-485 DC COMM March 5, 2018 Slide 38 1 Single core plate as default 4xM40 + M25 2 Multi core plate as accessory M63+ M25

SX2 wiring box details DC Side, electrical drawings DC Switch 1 DC Switch 2 MPPT 1-2-3 (12 PV Quick connectors) MPPT 4-5-6 (12 PV Quick connectors) March 5, 2018 Slide 39

SX2 wiring box details Power Supply Board Optional Pre-Charge Board or PID Board SPD Type 2 (DC Side) Fuses Boards March 5, 2018 Slide 40

SX2 wiring box details DC Side, electrical drawings Positive fuse board Negative fuse board DC SPD type 2 March 5, 2018 Slide 41

SX2 wiring box details Side, electrical drawings SPD type 2 Monitoring & Control Board Switch Connections Box cover terminals Contactor (M10 lug) (DSP controller) 2 x Ethernet (RJ45) 1 x RS485 Remote OFF March 5, 2018 Slide 42

SX2 wiring box details Side, connections M63 M40 Supports long distances (Direct from field to LV switchboard at MVC) Cu or Al both supported 4W or 3W, no neutral required to operate inverter, savings in cable costs Multi core (M63 + 1xM25 Cable lugs) or Single core (4xM40 + 1xM25 Cable lugs) cable panels: 185mm2 with M10 lug. PE Connection clamping range: min. max. cable diameter(*) M63 25mm 55mm M40 15mm 28mm M25 10mm 17mm Control & Monitoring connections (*) Preliminary data March 5, 2018 Slide 43

η [%] η [%] ABB PVS-100/ PVS-120 Best Performance in the Typical DC Operating Range System design optimization: 99 99 Efficiency PVS-120 Max efficiency available in the middle of the input operating voltage range 98.5 98 98 97.5 97 97 96.5 96 96 95.5 95 95 94.5 PVS-120: Efficiency vs Input Voltage 99.00 98.80 98.60 98.40 Eta_Max 98.20 Eta_CEC Eta_Euro 98.00 550 600 650 700 750 800 850 DC Input Voltage 570Vdc 720Vdc 800Vdc String length can be optimized, while fully exploiting the best inverter performance under typical operating conditions Performance optimization: System PR is kept unchanged or further increased as compared to single stage inverters; Weighted efficiency >98.2% in the input range 570-800 Vdc! 94 94 10 20 30 40 50 60 70 80 90 100 P/Pn [%] Vin η MAX η Euro η CEC 570 98,46 98,22 98,21 720 98,87 98,64 98,58 800 98,67 98,46 98,46 March 5, 2018 Slide 45

Inverter architecture that maximize system PR DC Power [kw] 144 120 96 72 48 24 22 panels in series / 60cells / 1000W/m 2 Tcell @ 5 C 0 100 200 300 400 500 600 700 800 900 1000 DC Power [kw] DC Voltage [V] 144 120 Single stage inverter: power loss due to narrow input range 96 72 Tcell @ 75 C 48 24 Input Voltage [V] Double stage mode Bypass mode DC/DC Inverter DC/DC Inverter 0 100 200 Single stage Double stage 300 400 500 600 700 800 900 1000 DC Voltage [V] Similar performance of single stage inverters in the same DC operating range thanks to the bypass function No clipping losses at high temperatures, when Vmpp falls below the minimum operating limit of single stage inverters! Ƞ T = Ƞ DC/DC x Ƞ INV Ƞ T Ƞ INV 710V 725V Higher PR March 5, 2018 Slide 46

Output Power derating vs Input Voltage Secured Energy Yield 1) MPPT range not depending on voltage: MPPT voltage window not affected by Voltage fluctuation. String design can be optimized to match peak inverter efficiency without affecting energy harvest at low irradiance and/or high temperature 120 100 P [kw] Conditions / Ratings PVS-100 PVS-120 Rated Voltage [Vacr] 400 V 480 V Full Power MPPT range 480 850 V 570 850 V Maximum MPPT current 6 x 36 A Maximum current 145 A Output Power vs Input Voltage PVS-120 PVS-100 PVS-100/ 120 2) Smooth high DC voltage derating DC power is reduced linearly from 100% at 850Vdc to zero at 1000Vdc 78 80 60 No risk of shut-down or MPP locking at near-zero power under cold conditions (*) Preliminary data 40 20 200 400 600 800 1000 360 480 570 850 Vin [V] March 5, 2018 Slide 47

Output Power derating vs Ambient Temperature Secured Energy Yield: Inverter suitable for application in harsh environmental conditions. Performance unaffected by mounting position, either vertical or horizontal Conditions / Ratings PVS-100 PVS-120 Rated Voltage [Vacr] 400 V 480 V Full Power MPPT range 480 850 V 570 850 V Maximum current 145 A P [kw] Output Power vs Ambient Temperature 120 PVS-120 PVS-100 100 80 60 40 (*) Preliminary data 20 20 30 40 50 60 Tamb [ C] March 5, 2018 Slide 48

Improve Safety, Availability and Fault Segregation Capabilities of your PV system IEC 62109-2 requirements for Non-isolated inverter connected to Ungrounded Array: 1 - Riso (Isolation resistance): Preventive measure (before grid connection) of the insulation resistance to the earth of the PV generator. Grid connection is only possible if Riso > 33 KOhm. 2 - GFI (ground fault interface): Real-time monitoring of earth leakage current ( + DC component) equivalent to an advanced RCD. Two protections are needed: a. Disconnect within 0,3s if the continuous residual current exceeds maximum 10 ma per kva of rated continuous output power b. Disconnect from the mains within the time specified if a sudden increase in the RMS residual current is detected exceeding the values listed in the table. Continuous residual current max. Value PVS-100 Residual current sudden change 1A PVS-120 1,2A Max. Time to inverter disconnection from the mains 30mA 0,3s 60mA 0,15s 150mA 0,04s March 5, 2018 Slide 50

Distribution Systems TN-S: MV/LV transformer with star configuration; N and PE are separate conductors conductor \ L1 L2 L3 N PE L1 L2 L3 N PE MV/LV transformer Both 3 or 4 Wiring connection are permitted. Inverter automatically recognize the system. March 5, 2018 Slide 52

Distribution Systems TN-C: MV/LV transformer with star configuration; N and PE are the same conductor \ L1 L2 L3 PEN L1 L2 L3 PEN MV/LV transformer TN-C-S: is also permitted Both 3 or 4 Wiring connection are permitted. Inverter automatically recognize the system. TT: MV/LV transformer star configuration; PE (building connection point). Not compatible with this size of inverters (use of high sensitive RCD) IT: MV/LV transformer, no earthing not permitted system! (corner ground is not supported either) March 5, 2018 Slide 53

Horizontal and vertical mounting Mounting bracket Same bracket can be used in vertical and horizontal positions Wiring box is installed at first and then power module Power module can be easily replaced without removing the wiring box March 5, 2018 Slide 54

Minimum & recommended clearances wall mounting (*): Increase according to minimum cable s bending radius March 5, 2018 Slide 55 PRELIMINARY

Minimum & recommended clearances wall mounting (*): Increase according to minimum cable s bending radius March 5, 2018 Slide 56 PRELIMINARY

Minimum & recommended clearances free field mounting (*): Recommended clearance to prevent flooding and cable damage during grass trimming. This may be reduced (> 15cm) if grass trimming and flooding do not represent a risk; Increase according to minimum cable s bending radius, if needed March 5, 2018 Slide 57 PRELIMINARY

Minimum & recommended clearances: horizontal and back to back mounting Horizontal mounting Back to Back mounting (*): Clearance may be reduced if an air deflector or decoupling plate is installed March 5, 2018 Slide 58 PRELIMINARY

Maximum tilt angles A minimum of 5 is recommended for water drainage March 5, 2018 Slide 59 PRELIMINARY

Overview New Communication Features! 100/120kVA 1000VDC string inverter Wireless and Ethernet field network - Fast, low cost, industry standard IP communications. Ethernet daisy chain support - Reduces installation time enabling advanced closed loop control applications. Inverter Installer App Simplifies the inverter installation process and reduces installation time/costs. Integrated Web User Interface with installation wizard and advanced parameter settings and diagnostic March 5, 2018 Slide 61

Communication Interfaces Communication interfaces Integrated Wi-Fi (IEEE 802.11 b/g/n @ 2.4 GHz) 2 radio channels integrated Touch-free inverter commissioning Wirelessly accessing to the inverter WUI Station mode setting for transferring data to cloud 2 x Ethernet ports 10/100 Mbit/s (RJ45 plug ) Configured for daisy chain layout connection (Linear or ring shape topology) Suitable also for radial layout connection Remote monitoring and FW update without the need of installing any additional device 1 x RS485 port Master and slave setting Recommended for direct connection of accessories (i.e. meteo station, etc ) March 5, 2018 Slide 62

< 100 m ABB PVS-100/ PVS-120 Ethernet field bus (Daisy Chain, ring shaped or radial layout) Aurora Vision Communication over Ethernet Plant Viewer Plant Viewer for Mobile Plant Portfolio Manager Internet 2 1 Standard Ethernet cable: Cross-section: min. 2 x 2 x 0.22 mm 2 or min. 2 x 2 x AWG 24 Cable type: 100BaseTx, CAT5 with shielding S-UTP, F-UTP or higher UV-resistant if used outdoor Plug type: RJ45 Ethernet switch 3 Three different topologies: 1. Daisy chain over Ethernet cable (max 100m inverter to inverter distance) 2. Ring shaped layout for improving service continuity also in case of inverter failure 3. Radial layout (max 100m inverter to switch distance) March 5, 2018 Slide 63

Commissioning and inverter setting Aurora Vision Commissioning over Ethernet Plant Viewer Plant Portfolio Manager Plant Viewer for Mobile Automatic setting up of the communication after the turning on of all the inverters connected by Ethernet cable (with or without DHCP server) Installer App for commissioning the entire plant (up to 50 inverters over the same LAN) Internet Single inverter settings via Wi-Fi / AME by any WLAN enabled device Network info also available within every single inverter s Web User Interface Ethernet switch Accessing to a single inverter s Web User Interface is also possible from the Ethernet switch (multicast DNS service needed on the switch) March 5, 2018 Slide 65

Installer App to reduce plant installation costs Simple and Quick Plant Installation Solution Touch-free Inverter Commissioning Via Wi-Fi Access Point connection App compatible with any Android and IOS smartphone and mobile device Multiple Inverter Installation Commissioning of the entire plant/cluster (up to 50 inverters over the same LAN) Optionally scan and track shipped inverters Smart app manages passcodes to minimize password issues Fast setup of single or multiple inverters: grid standard, input mode that s it you re on line! Try it! March 5, 2018 Slide 66

Web User Interface easy configuration and maintenance operation WUI Easy Analysis and Configuration Commissioning Wizard and FW Upgrade Simple 4-step guided commissioning process Local/Remote FW upgrade Supporting advanced diagnostic Dashboard one-page Inverter information Status summary with all internal key operating parameters Detailed analysis for critical operating parameters (i.e. deratings ) Event log with reporting and filtering Supporting advanced inverter setting DC input and protection parameters Grid Support and Control Functions March 5, 2018 Slide 67

ABB three phase string inverter PVS-100/ PVS-120 As of Feb-18 Safety & general certificates availability CE & RCM mark RED Directive IEC62116, IEC61727(anti-islanding) IEC60068-2-1/2/14/30/78 (Environmental) IEC/EN61683 (Efficiency) Grid codes availability CEI0-16, CEI0-21 (Italy) Turkey HV / Turkey LV Jordan_IRR-DCC-MV AS4777.2 (Australia) VDE-AR-N 4105 VFR_2014 (France) + UTE C15-712-1 UK59-3 Coming soon! BDEW, EN50438, Thailand PEA/MEA, South Korea-60Hz Brazil-60Hz, Dubai March 5, 2018 Slide 73 More information will follow, stay tuned