Code: NLE-17-0092
PV System for Standalone and Grid connected application Trainer.
2.1 Technical Description of the Trainer System
The PV system must include the following descriptions or functions:
• Trainer for working with electrical components from the real world usage of PVs
• Selectable mode for grid connected or standalone operation
• Selectable mode for operation with actual PV module or with integrated PV simulator
• Software for recording measurement data and for controlling the PV simulator
• Efficiency and dynamic behavior of system components in grid-connected and stand-alone operation
• study function of MPP tracker, function of inverters, function of charge controllers
• Study the behavior of components under varying temperature and illuminance
• Inverter with MPP tracker for grid-connected operation
• Inverter and replaceable charge controller for stand-alone operation
• Solar battery and lamp for stand-alone operation
• Commercially available combiner box
• Lab VIEW software for data acquisition and control of the photovoltaic simulator via USB under Windows Vista or Windows 7
2.2 Technical Specification of PV system
The PV system must include the following technical specifications:
• Photovoltaic simulator:
 Max. output: approx. 150W
 short-circuit current: approx. 5A
 open-circuit voltage: approx. 50V
• Inverter for grid-connected operation:
 rated input power: 150W
 Max. output power: 125W
 Max. efficiency: 89%
• Charge controller for stand-alone operation:
 charging current: 20A
 end charging voltage: approx. 14V
• Dimensions and Weight:
 Approx. LxWxH: 1560 x 790 x 1760mm
 Weight:: ca. 110 kg
• Connections: 230V, 50/60Hz, 1 Phase
• Scope of Delivery
 1 trainer
 1 charge controller with MPP tracker for stand-alone operation
 1 charge controller without MPP tracker (shunt charge controller) for stand-alone operation
 1 set of cables
 1 set of instructional materials
 1 Lab VIEW software CD compatible with window 7 or Window Vista or latest window+ USB cable
2.3 Figurative description of the PV System
An equivalent resemblance of the PV system is indicated in Figure 2.
Figure 2: Equivalent figurative description of the PV system trainer