PV System for Standalone and Grid connected application Trainer Description and Specifications for Lab Tenders
PV System for Standalone and Grid connected application Trainer.
1.4 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
1.5 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
1.6 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