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WiseNet-89-4C1V
Megamic Electronics Pvt Ltd Date 17-11-2017 Doc WiseNet_89_4.pdf
www.megamic.in
WiseNet Wireless-based Solar String Current
Monitoring System in Solar Parks
Introduction
Megamic’s WiseNet consists of a large array of nodes, one per string. Each node
measures the respective string current with high accuracy at regular intervals. The node
then transmits the string current along with the node address wirelessly to a Central
Node, located within the Solar Park. The Central Node can interface to the SCADA
system of the Solar Park for centralized monitoring of the string performance over time.
Alternatively, the Central Node can connect to the Internet and continuously transmit
the string current data to a web-based server for monitoring from a remote location.
Features
 Measures Individual String Currents with high accuracy, +/- 100 mA
 Measurement Interval is Programmable, can be as low as 1 minute.
 Robust Wireless Network based on Mesh Topology
 Network made of Large number of Wireless nodes (up to several hundred)
 License-free, Custom RF based Wireless design
 Each node is powered by one of the Solar panels in the string itself
 Design does NOT use Battery, and does not require periodic maintenance
 Simple flow-through wiring using pluggable MC4 connectors
 Weather-proof, UV Grade, IP65 enclosure
 Low Cost per Node
 Customization possible
o Multiple String currents per node
o Summing Multiple Strings
o Integration of Other Sensor types
 Central Node interfaces to external Host over UART/RS-485
Optional
 Single-Board Computer based Host with WiFi connection
 Live Streaming of Data to Secure web server.
WiseNet-89-4C1V
Megamic Electronics Pvt Ltd Date 17-11-2017 Doc WiseNet_89_4.pdf
www.megamic.in
Parameter Specification
Number of Channels 4/8/16
Current Combined Output Optional
System Working Voltage (tapped across one
panel of the String)
8V to 60V
System Power Consumption Less than 1 W
Current Measuring Range 0 to 20 Amps
Current Measuring Error +/- 100mA Across Range
Isolation maintained across channels 2.5KV
Data Readout delay Immediate
Delay between consecutive Readouts Programmable (1 minute typical)
Distance between wireless Nodes - Ideal 100 meters (Line of Sight)
Distance between wireless Nodes - With
Obstacles
50 meters
Maximum size of Plant Range can be increased using Repeaters. No
upper Limit
Input / Output Connections Through Cable Glands and MC4 connectors

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Flyer wise net

  • 1. WiseNet-89-4C1V Megamic Electronics Pvt Ltd Date 17-11-2017 Doc WiseNet_89_4.pdf www.megamic.in WiseNet Wireless-based Solar String Current Monitoring System in Solar Parks Introduction Megamic’s WiseNet consists of a large array of nodes, one per string. Each node measures the respective string current with high accuracy at regular intervals. The node then transmits the string current along with the node address wirelessly to a Central Node, located within the Solar Park. The Central Node can interface to the SCADA system of the Solar Park for centralized monitoring of the string performance over time. Alternatively, the Central Node can connect to the Internet and continuously transmit the string current data to a web-based server for monitoring from a remote location. Features  Measures Individual String Currents with high accuracy, +/- 100 mA  Measurement Interval is Programmable, can be as low as 1 minute.  Robust Wireless Network based on Mesh Topology  Network made of Large number of Wireless nodes (up to several hundred)  License-free, Custom RF based Wireless design  Each node is powered by one of the Solar panels in the string itself  Design does NOT use Battery, and does not require periodic maintenance  Simple flow-through wiring using pluggable MC4 connectors  Weather-proof, UV Grade, IP65 enclosure  Low Cost per Node  Customization possible o Multiple String currents per node o Summing Multiple Strings o Integration of Other Sensor types  Central Node interfaces to external Host over UART/RS-485 Optional  Single-Board Computer based Host with WiFi connection  Live Streaming of Data to Secure web server.
  • 2. WiseNet-89-4C1V Megamic Electronics Pvt Ltd Date 17-11-2017 Doc WiseNet_89_4.pdf www.megamic.in Parameter Specification Number of Channels 4/8/16 Current Combined Output Optional System Working Voltage (tapped across one panel of the String) 8V to 60V System Power Consumption Less than 1 W Current Measuring Range 0 to 20 Amps Current Measuring Error +/- 100mA Across Range Isolation maintained across channels 2.5KV Data Readout delay Immediate Delay between consecutive Readouts Programmable (1 minute typical) Distance between wireless Nodes - Ideal 100 meters (Line of Sight) Distance between wireless Nodes - With Obstacles 50 meters Maximum size of Plant Range can be increased using Repeaters. No upper Limit Input / Output Connections Through Cable Glands and MC4 connectors