Grid Voltage; Grid Frequency - Omron KP100G Technical Manual

Grid connect photovoltaic inverter
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KP100G
Conditions for Disconnecting from the Grid

Grid Voltage

When the grid voltage varies from the ranges listed in Table 3-1, the KP100G disconnects from the grid.
Table 3-1 Conditions UV/OV of the KP100G
Model
KP100G-OD-ES
KP100G-OD-IT
KP100G-OD-DE
Note: According to VDE0126-1-1 4.2.2, when grid voltage exceeds 115%UN, the KP100G must disconnect from grid within 0.2sec.
According to VDE0126-1-1 4.2.3, the KP100G monitor grid voltage in 10min interval, and when grid voltage exceeds
100%UN in 10min, the KP100G disconnect from grid.

Grid Frequency

When the grid frequency varies from the ranges listed in Table 3-2, the KP100G disconnects from the grid.
KP100G-OD-ES
KP100G-OD-IT
KP100G-OD-DE
ENS standards require that each model be tested by a third-party verification institute, and that all ENS units be tested prior to shipping. To ensure
that switching devices (relays) operate properly, always do an operational check before starting up the KP100G. If the test results are negative, the
KP100G will repeat the self-diagnostics. If the problem remains, it will be necessary to have a specialist diagnose it. Malfunctions are indicated by the
LCD.
Country
Spain
Italy
Germany
Table 3-2 Conditions UF/OF of the KP100G
Country Setting
Spain
Italy
Germany
UV (AC Undervoltage)
196VAC
191 VAC
253 VAC within 10min (See Note)
196 VAC
264 VAC within 0.2sec (See Note)
UF (Under frequency )
49.0 Hz
49.7 Hz
47.5 Hz
12
OV (AC Overvoltage)
253 VAC
264 VAC
OF (Over frequency)
51.0 Hz
50.3 Hz
50.2 Hz

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