Determination of PV Generator <i>I-V/P-V</i> Characteristic Curves Using a DC-DC Converter Controlled by a Virtual Instrument

<table class="table-group" id="tab4"><tr><td><table class="table"><tr><td class="thead-hr" colspan="3"><hr/></td></tr><tr><td align="left"><i>μ</i>Controller</td><td align="center">PIC 16F877</td><td align="left">40-Pin 8-Bit CMOS Flash</td></tr><tr><td align="left">Communication series</td><td align="center">MAX 232</td><td align="left">Multichannel RS-232, Driver/Receiver</td></tr><tr><td align="center" colspan="3"><hr/></td></tr><tr><td align="left">Current sensor</td><td align="center">LEM-LA 55-P/SP1</td><td align="left">Closed Loop Hall Effect Current Sensor</td></tr><tr><td align="left">Voltage sensor</td><td align="center">LEM-LV 25-P</td><td align="left">Closed Loop Hall Effect Voltage Sensor</td></tr><tr><td align="left">Operational amplifier</td><td align="center">OP-270</td><td align="left">Monolithic Dual OPAM</td></tr><tr><td align="left">Isolated 3 W dual output</td><td align="center">TEL 3–1222</td><td align="left">DC-DC Converter, DIL-24 Plastic Package</td></tr><tr class="table-tr"><td colspan="3"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

Electrical characteristics of the components used in the control circuit board and the measuring card.

International Journal of Photoenergy

tab4

Table 4

Table 4: Determination of PV Generator <i>I-V/P-V</i> Characteristic Curves Using a DC-DC Converter Controlled by a Virtual Instrument 

International Journal of Photoenergy

Determination of PV Generator I-V/P-V Characteristic Curves Using a DC-DC Converter Controlled by a Virtual Instrument

Table 4