Appendix
Installation Manual
64
PCS
Power Conditioning System, an electrical device which converts DC direct voltage into AC
voltage and/or direct current into alternating current.
Power dissipation
Power dissipation is designated as the difference between absorbed power and power of a
device or process yielded. Power dissipation is released mainly as heat.
PVC
Polyvinyl chloride.
RJ-45
Abbreviation for standardized eight-pole electrical connector connection. RJ stands for
Registered Jack (standardized socket).
RS-485 (EIA485)
Differential voltage interface on which the genuine signal is transmitted on one core and the
negated (or negative) signal on the other core.
SPD
Surge protection device.
String
Designates a group of electrical PV modules amended in series.
THD
Total harmonic distribution.
VOC
Open Circuit Voltage