Off-grid and on-grid photovoltaic and wind energy trainer Composed of:

• A photovoltaic with inclinable module mounting structure - min 90 W, 12 V, complete with irradiation and inclination measuring andtemperature sensor

A battery protection module - 12 V, 32 A with the following components:

• 32 A circuit breaker for control of the battery

• LED indicator for the battery connection

• 4 mm security terminals black/red

• Modulewith insulated front panel and must be installed on a vertical frame.

• Electronic charge regulation module – It must include an LCD display with MPPT tracking and energy monitoring.

• Insulated front panel and must be installed on a vertical frame.

• A three-phase bridge rectifier module.

• This module must have insulated front panel and must be installed on a vertical frame.

• "A DC load module - with two 12V lamps, dichroic and LED; each lamp must incorporate an on/off control independent switch and 2 DC terminals.

• Insulated front panel and must be installed on a vertical frame.

• A load management module – with three independent singe- phase outputs for the dynamic study of different load types.

• Insulated front panel and must be installed on a vertical frame.

• An electric energy single-phase measurement module to measure electrical parameters in a single-phase circuit with a multifunction instrument for low, medium, and high voltage network.

• It must be able to measure voltage, current, power, energy, frequency, run hour, THD.

Features:

• LCD large display with navigation buttons,

• RS485 port communication,

• AC voltage input with 2 terminals of 4 mm,

• AC voltage output with 2 terminals of 4 mm,

• Power switch.

• Supplied from the mains of 230Vac / 50Hz.

•  Insulated front panel and must be installed on a vertical frame.

• A differential magneto-thermal single-phase switch module. Insulated front panel and must be installed on a vertical frame.

• A fixed single-phase power source – Module to provide AC and DC outputs.

Features:"

• AC voltage output (from the mains) with 2 terminals of 4 mm,

• DC voltage output (12V) with 2 terminals of 4 mm,

• Potential earth available on terminals of 4 mm,

• Status led,

• Power switch.

• Supplied from the mains of 230Vac / 50Hz.

• Insulated front panel and must be installed on a vertical frame.

• A battery module – 12V, 100Ah.

• Motor/generator group, consisting of a benchtop solution for the simulation of a wind turbine.

• Composed of a brushless motor coupled to a real wind turbine (three-phase permanent magnet generator).

• The system must guarantee maximum stability thanks to the base of the group unit made of painted steel, which should include guides for sliding and fixing the machine and the micro-grid wind turbine and 4 anti-vibration rubber feet.

• Insulated type front panel with the electrical schemes with 4 mm safety terminals.

• Brushless motor controller, that allows the operation of a brushless motor of a typical industrial process automation.

• The control and monitoring system must be done through a software that will be able to:

• Set system parameters, Draw graphic curves, Monitor real-time system (torque, speed, ...).

• Insulated front panel and must be installed on a vertical frame."

• "A three-phase wind turbine charge controller with brake.

• Insulated front panel and must be installed on a vertical frame.

• An active DC variable load configurable as constant resistance or constant current and could be varied or manually or remotely through an external analogue signal or  MODBUS RTU protocol over RS485 interface.

• Insulated front panel and must be installed on a vertical frame.

• A grid-tie inverter module for solar system with output at mains voltage, 12V and 300W.

• This module must have insulated front panel and must be installed on a vertical frame.

• A grid-tie inverter module for wind system with sinusoidal output at mains voltage, three-phase inputs, average power 300W.

• Insulated front panel and must be installed on a vertical frame.

• An off-grid inverter module with pure sine wave output at mains voltage, average power 600W.

• Insulated front panel and must be installed on a vertical frame.

A measurement module of the variables of the photovoltaic system provides DC, AC and environmental measuring units and must include a series of instruments:

• Solar Panel Electrical Data for the measurement of voltage, current and power provided by the photovoltaic module

• it must be possible to be connected to the solar panel output; it shall also be used as DC voltmeter to measure other"

• "variables in the laboratory; the measurement units must be V for voltage, A for current, W for power.

• Load or Battery Electrical Data to measure voltage, current and power flowing through the battery or to the connected load

• it shall be connected between the battery and the solar charge controller.

• The measured values can be simply compared to the values indicated on the solar charge controller (if available).

• The measurement units must be V for voltage, A for current, W for power.

• AC Electrical Data for the measurement of AC voltage, current and power flowing to the AC load, connected to the inverter output.

• The measurement units must be V for voltage, A for current, W for power.

• Solar Panel Sensor Data for the measurement of typical environmental parameters that influence a solar panel output such as the solar irradiation and the temperature; the signal shall be provided by a 5 poles cable and the measurement units must be W/m2 for irradiation and °C for temperature.

The module includes 4 multifunction displays:
 No.2 for DC Measurements and displaying data for Voltage, Power and Current:

• DC voltage: ± 65V

• DC current: ± 30A

• DC power autoscale

No. 1 display for AC measurement:

• 0 ÷ 512V

• 0 ÷ 30A

• Power Meter"

"No. 1 display showing data for:

• Irradiation: 0 ÷ 1000 W/m2, resolution: 1/1000

• Temperature: 0 ÷ 400°C, resolution: 1/1000.

• Insulated front panel and must be installed on a vertical frame.

A Measurement module of the variables of the wind system to provide DC, AC and environmental measurements and include a series of the instruments :

• AC Electrical Data: for the measurement of AC voltage, current and power flowing to the AC load, connected to the inverter output.

• The measurement units must be V for voltage, A for current, W for power.

• DC Electrical Data: for the measurement of voltage, current and power; it shall be used as DC voltmeter to measure other variables in the laboratory; the measurement units must be V for voltage, A for current, W for power.

• Mechanical Data: instrument for the measurement of the speed generated by the motor/generator group; the signal shall be provided by a 5 poles cable; the measurement unit must be rpm.

The module includes 4 multifunction displays:
No.1 for DC Measurements and displaying data for Voltage, Power and Current:

• DC voltage: ± 65V

• DC current: ± 30A

• DC power autoscale

No. 2 display for AC measurement:

• 0 ÷ 512V

• 0 ÷ 30A"

• Power Meter

No. 1 display showing data for:

• Motor/Wind speed.

Main components:

• Dimmer that should control the light source module

• 12 halogen lamps, 120 W each

• Mobile structure mounted on wheels

• Local/Remote Current Regulator Module (dimmer)

• 10A magneto-thermal switch, 30mA RCCB

• Switch for control modes: Local, Modbus or analogue 0-10V, Potentiometer for manual intensity control

• Module supply voltage: 230Vac

• Maximum power: 1440W

• Input terminals of 4mm for AC voltage

• Output terminals of 4mm for AC voltage

• Potential earth available on terminals of 4 mm

• RCD switch.

• Insulated front panel and must be installed on a vertical frame

• A three-level frame - as support for the modules

The trainer module will cover the following topics wind turbine:

• Identification of wind turbine components

• Operating the Wind Turbine Breaker

• Calculating wind power

• Measuring Wind turbine electrical power

• Study of wind turbine with load. off-grid wind system:

• Dimensioning of an off-grid wind system"

• "Battery regulating and charging

• Supplying DC load with wind power stored in a battery

• Supplying AC load with wind power and a battery

• Calculating the system autonomy with different loads. on-grid wind system:

• Measuring the electricity produced by the wind generator, delivered/taken from the mains grid, and the loading of AC lamps

• Calculating the efficiency of the complete on-grid wind energy system

• Investigating the response of a wind system to a mains failure, Energy balance.

For the study of photovoltaic system:

• Measuring solar radiation: Changing the inclination and azimuth of the solar panel

• Investigating the PV module response to shadow formation

• Recording the characteristics of the solar modules: Solar Panel Voltage-Irradiation Curve, Solar Panel Current- Irradiation Curve (calculating the inner resistance of the solar panel), Obtaining the solar panel current-voltage curve, Obtaining the solar panel current-power curve, Measurement of the voltage and current of the photovoltaic module with overload.

• For the study of off-grid solar system:

• Measuring the generated power of a PV system and battery charging

• Using Solar Panel and Battery to supply a DC Load"

• Design and testing of a standalone PV system in direct storage operation and 230Vac.

For the study of on-grid solar system:

• Measuring the electricity delivered to the mains grid

• Measuring the electricity produced by the solar panel, delivered/taken from the mains grid, and the loading of AC lamps

• Determining the efficiency of the grid connected inverter

• Investigating the response of a PV system to a mains failure.