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Solar Panel Monitoring System using IOT

Using proactively monitoring solar panels for their functioning and addressing faults, we can retrieve efficient power output against faulty solar panels, connections, dust gathered on panels lowering output and other such issues affecting solar performance.

 

Faststream Technologies offers an automated IOT based solar panel monitoring/troubleshooting system that allows for automated solar panel monitoring from anywhere over the internet. As part of our solution, we make use of several IoT gateways suitable for different needs, based on SoCs like STM32, ESP32, ublox, CC3200, Silicon Labs to monitor the solar panel parameters. Our system constantly monitors the solar panel and transmits various parameters to the Cloud over IOT system. Here we make use of the IOT platform to transmit solar power parameters to Amazon/ Azure cloud /IOT server via gateway (over WiFi and Ethernet). A powerful web interface allows viewing of data in meaningful formats, enabling users to make decisions. The alerts originated from Panel comes to rescue in tackling situations like output falling below specific limits or some sort of malfunctioning. This makes remote monitoring/handling of solar plants very seamless and intuitive, addressing faults within stipulated time.

 

We also have Alerts and monitoring interface on Android/iPhone for distributed Solar Panel Monitoring System (SPMS). This method utilizes the Bluetooth interface of Android/iPhone as a communication link for data exchange with digital hardware of the Solar Unit.

 

Introduction to an instant monitoring solar panel system that is constituted with a sensor on current and voltage measurements of each panel source .The related values are measured with the developed sensing circuits and processed by 18F4450 microcontroller of Microchip. The processed parameters are then transmitted to the personal computer (PC) over MODBUS to be saved in the database and to observe the system instantly. The Coded visual interface of monitoring software can manage the saved data to analyse daily, weekly and monthly values of each measurement separately.

Dust Monitoring and Alerting System

  • Faststream Technologies Dust Monitoring & Alerting System (DMAS) alerts Solar Panel Owners on when to clean the Solar panels.
  • It is a Data driven system which continuously monitors the level of soiling on Solar panels.
  • It helps in data driven rationalizing O&M Cleaning schedules of the Solar Panel Plant.
  • It can be optionally connected with our Pyranometers and Rain sensors to further enhance its Alerting cycles.
  • DMAS comes bundled with a Web dashboard for Real-time monitoring.
  • The actual alerts are sent automatically through SMS and Emails.
  • DMAS seamlessly integrates with our Wireless connection system .
  • DMAS will help in immensely saving water consumption and labour cost.

Our Monitoring Hardware:

 

Hardware-Data Concentrator with Gateway

 

  • Data concentrator which collects data from all nodes in a Wireless Network.
  • It can also directly interface to Inverters, Weather Stations, Transformer Panels, Energy Meters etc. over MODBUS RS485 or TCP/IP.
  • Collected data is routed to the Gateway which in turn uploads it to a Server/Azure/Amazon Cloud.
  • The Data Concentrator Gateway can be connected to the Internet either via LAN cable, WIFI or 3G/4G USB Dongle.
  • Data concentrator which collects data from all nodes in a Wireless Network.
  • It can also directly interface to Inverters, Weather Stations, Transformer Panels, Energy Meters etc. over MODBUS RS485 or TCP/IP.
  • Collected data is routed to the Gateway which in turn uploads it to a Server/Azure/Amazon Cloud.
  • The Data Concentrator Gateway can be connected to the Internet either via LAN cable, WIFI or 3G/4G USB Dongle.

 

Gateway + Logger with MODBUS over TCP/IP Interface

 

  • For equipment such as Inverters, Trackers, Weather Stations, String Monitoring Boxes. Etc. which have TCP/IP MODBUS ports.
  • IP65 Enclosed Solution
  • Solar grade Cable Glands and wires used.
  • Node supply input can be anywhere from 6V to 45V.
  • Vendor Independent MODBUS TCP/IP Interface. Can be programmed to interface to any kind of MODBUS device.
  • Data is read from equipment and Wirelessly sent to the Control Room via one Device Monitor  RF protocol.

 

Gateway + Logger with MODBUS over RS485 Interface

 

  • For equipment such as Inverters, Trackers, Weather Stations, String Monitoring Boxes. Etc. which have RS485 MODBUS ports.
  • Supports MODBUS over RS485 from 1200 to 128000 baud rate.
  • Optional IP65 Enclosed or standard DIN rail mountable.
  • Node supply input can be anywhere from 6V to 45V.
  • Vendor Independent MODBUS Interface. Can be programmed to interface to any kind of MODBUS device.
  • Data is read from equipment and Wirelessly sent to the Control Room via Wireless RF protocol.

 

Direct String Current Measurement

 

  • It is a Multi channel system where the String Currents are measured using its built-in Hall Current Sensors.
  • Currents up to 20A can be directly measured within +/- 100mA accuracy.
  • 2KV isolation is maintained across channels of the strings.
  • Optional IP65 Enclosure with all currents tapped via MC4 connectors and glands.
  • Operational supply voltage from 6V to 45V (tapped across a single Panel).

 

 

Features of our Smart IoT Gateways:

 

We offer Smart IoT Gateway Solutions for the Solar Industry. Our IoT Gateway Solutions provides reliable and highly scalable solutions for IoT deployment. The IoT gateway is a versatile device which reads the MODBUS memory map of any RS-485 MODBUS protocol device and sends the data to the cloud server. The data stored can be viewed as per customer requirement on dashboard. SIG is an ideal solution for online monitoring of RS-485 MODBUS data.

Our IoT Gateway Solutions mainly consist of GSM module and microcontroller based control circuit. It supports generic MODBUS RTU, MODBUS TCP/IP and MODBUS over TCP/IP Protocols for data acquisition and uses MQTT protocol to communicate with IT application databases on cloud. Multiple slave devices can be configured. It can remotely monitor all Solar panel sensor data to the cloud server.

 

  • 48 – Nodes Compatible with GSM
  • 70 – Nodes Compatible without GSM
  • Dual SIM slot for Redundancy
  • Global supporting GSM module (2G-900MHz/1800MHz)
  • Two settable Alarm set-points for each channel (High/Low)
  • Communication Failure detection
  • 4 – DPDT Relays
  • Inbuilt Buzzer for Audio Alarm Indication
  • Bi-colour L.E.D. indications for Alarms & Device status.
  • 7V to 24V DC Input.
  • Adaptor base power supply 9V/12V/15V
  • Ethernet/RS-485/RS-232 Input and Output Port (for SCADA/PLC/PC )
  • 128 x 64 Graphical L.C.D. Display
  • Pen-drive Interface
  • SMS / Email Notification
  • MQTT / TCP-IP Connection
  • Cloud Base Support System
  • Optional 2 – RS485/RS232/Ethernet ports for customized application

 

 

Features of our Solar Panel Monitoring System

 

  • Real-time Visibility
  • Reduced Losses and Downtime
  • Easy O&M operations
  • Warranty Enforcement
  • Reporting & Compliance
  • 24/7 Energy Monitoring
  • Cloud Based
  • Secure

 

IOT Implementation Overview:

 

Metering

 

  • Metering Adaptors – Solar Energy
  • IIoT Gateway with Cloud Connectivity Solution
  • DAQ / Data logger

 

Monitoring

 

  • Solar Energy Management / Battery Monitoring

 

Control

 

  • Panel Meter Control
  • Plant Vision

 

Rugged Modules

 

  • 6LoWPAN, BT/BLE, WiFi, GPS, LoRa, GPRS/3G/LTE,
  • Analog IN, Digital IN, Sensor, Modbus, LoRaWAN