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Safety
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975-0253-01-01
Regulatory Compliance
The GT Inverter is CE Marked for the following Directives and standards:
•
Low Voltage Directive 73/23/EEC, per EN50178 “Electronic Equipment for Use in Power
Installations”.
•
EMC Directive 204/108/EC, per:
•
EN61000-6-3 “Emission Standard for Residential, Commercial, and Light-Industrial
Environments”
•
EN61000-6-1 “Immunity for Residential, Commercial, and Light-Industrial Environments”
•
EN61000-3-2 “Limits for Harmonic Current Emissions”
•
EN61000-3-3 “Limitations of Voltage Fluctuations and Flicker”.
The GT Inverter is designed for utility interactive operation. It has complete on-board over-current, over-
temperature and anti-islanding protection. It monitors voltage and frequency of the utility grid and
automatically stops supplying power whenever conditions on the utility grid deviate from standard levels
(see Specifications).
The GT Inverter is equipped with a high frequency transformer that assures galvanic isolation between the
DC side and the utility power grid.
German models have an integrated ENS and comply with the VDE 0126 regulations for supplementary
grid connection, especially to the “regulation for the supplementary grid feeding with photovoltaic
electricity producing facilities to the low voltage power supply grid” issued by the VDEW.
Spanish models comply with Royal Decree 1663/2000 and with section 10 of Annex XI of Royal Decree
661/2007, regarding the connection of photovoltaic installations to the low tension network.
PV Ground Fault Detection
The GT Inverter is equipped with a ground fault detection circuit that measures the impedance to ground of
the array, before connecting to the grid. If a high impedance is not detected, it signals a fault and refuses to
connect. The GT Inverter will remain faulted until the ground fault is remedied and the inverter is
manually reset. See Table 6-1, “Troubleshooting the GT Inverter” on page 6–4.
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Summary of Contents for GT 2.5-DE, GT 3.8-DE, GT 2.8-S
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