SELECTING NETWORKING TECHNOLOGIES THAT SUPPORT COST EFFECTIVE AND ROBUST DATA ACQUISITION Bryan Randall VP of Operations bryan.randall@drakerenergy.com
AGENDA Importance of robust network infrastructure Network topologies Advantages and disadvantages of technology options Cost benefit trade-offs Project Examples Draker expertise
WHY ARE ROBUST DATA COMMUNICATION NETWORKS IMPORTANT Performance Management Data reliability Real time energy and environmental data Remote operations and maintenance Remote troubleshooting and fault isolation Grid Integration Regulatory compliance Plant control
INTELLIGENT ELECTRONIC DEVICES Panel Monitors / Optimizers / Micro-Inverter Monitoring Combiner Boxes Inverters Energy Meters Wireless Gateways Base Stations / PLC s / SCADA Transformers PV Trackers
PV COMMUNICATION NETWORK ARCHITECTURE
WIRED COMMUNICATION NETWORKS EIA-485 () Fiber Optic Single Mode Multi Mode
WIRELESS COMMUNICATION NETWORKS 802.11 a / b / n / g 802.15 Cellular modem CDMA GPRS GSM
ADVANTAGES AND DISADVANTAGES Network type Performance Data Rates Max Distance Advantage Disadvantage 250 Kbit/s ~1200 m -Distance -Limited # of devices -Noise Immunity 1-10 Gbit/s ~100 m -Supports many devices -Ease of setup & installation -High latency -Noise Immunity Fiber Optic Single-Mode / Multi-Mode 10-40 Gbit/s 10-60Km -Distance -Speed -Noise Immunity - Cost 802.11 / 802.15 900 Mb/s 15-75 m -No wires -Ease of installation Cellular Modem 300 Mb/s National / Global -Easily deployed -No infrastructure -Interference -Cost -Recurring Cost
COST BENEFIT TRADE-OFFS Network type Cost Equipment Wiring Trenching Piping Labor $ $$ $$ $$ $$ $$ $ $$ $ $ Fiber Optic $$$$ $$$ $ -- $$$ 802.11 / 802.15 $$ -- -- -- $ Cellular Modem $$$$ -- -- -- $
COMMUNICATION PROTOCOLS Proprietary Serial Modbus RTU TCP/IP DNP3
SECURITY CONSIDERATIONS Protocol security Data encryption Virtual private networks NERC / CIP compliance ISO compliance
PROJECT EXAMPLES Basic Complex / Multi-technology Traditional DC using SMCB Clarity DC ISO Integrated
PROJECT EXAMPLES Basic
PROJECT EXAMPLES Basic Environmental Sensors Cell Modem Base Station Inverters Energy Meter
PROJECT EXAMPLES Complex / Multi-technology
PROJECT EXAMPLES Complex / Multi-technology Environmental Sensors Cell Modem Wi-Fi Base Station Fiber Media Converter Energy Meter Inverters
PROJECT EXAMPLES Complex / Multi-technology Cell Modem Webbox Wi-Fi Media Converter Energy Meter Inverters
PROJECT EXAMPLES Traditional string monitoring using Smart Monitoring Combiner Boxes
PROJECT EXAMPLES Traditional DC using SMCB Environmental Sensors Base Station SMCBs SMCBs Inverter Inverter Media Converter SMCBs Energy Meters SMCBs
PROJECT EXAMPLES Clarity DC
PROJECT EXAMPLES Clarity DC Environmental Sensors 802.11 Cell Modem Base Station Clarity Monitors 802.15 Gateway Inverter Energy Meter
PROJECT EXAMPLES Clarity DC
PROJECT EXAMPLES ISO Integrated
PROJECT EXAMPLES ISO Integrated Environmental Sensors Inverter Base Station Inverter Energy Meter Energy Meters Wi-Fi Inverter
PROJECT EXAMPLES ISO Integrated Serial Serial Energy Meter PV Controller
DRAKER HAS THE EXPERTISE TO HELP Network design and documentation Custom software support for IED s Skilled engineering team Complete services / communication support Site take-overs / platform unification
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THANK YOU! Sales Sales@drakerenergy.com Alejandro Delgado Product Manager alejandro.delgado@drakerenergy.com Bryan Randall VP of Operations bryan.randall@drakerenergy.com