Generac Power Systems PWRcell APKE00014, Руководство пользователя

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6 Owner’s Manual for Generac PWRcell Inverter
General Information
System Modes Overview
Generac PWRcell offers several system modes for various installation configurations, markets, and applications.
Connected REbus devices work together to manage the distribution of power based on the selected system mode.
Some modes interact with PWRcell batteries to store power and/or balance production and consumption.
See
Table 2-1
and
Table 2-2
for an overview of available system modes.
Grid Tie
In Grid Tie mode, the PWRcell inverter functions as a
conventional grid-tied inverter system. The system
powers local loads and when generation exceeds load
demand, excess power is exported to the utility for net
metering and other credits.
NOTE: Grid Tie is intended for use with systems that do
not include a PWRcell battery. For systems where a
PWRcell battery will be connected at a later date, operate
in Grid Tie mode until the battery is installed.
Clean Backup
NOTE: Grid power is not used to charge batteries in this
mode.
See
Figure 2-5
. In Clean Backup mode, the inverter
prioritizes keeping the battery charged and ready for a
grid interruption using solar power only. If the battery is
not fully charged, the inverter uses all available solar
power to charge the battery.
See
Figure 2-6 . When the battery is fully charged, solar
power will flow to local loads and the grid.
Figure 2-5. Clean Backup (1 of 3)
Figure 2-6. Clean Backup (2 of 3)
Table 2-1. Most Common System Inverter Modes
Priority Grid Tie Clean Backup Priority Backup Self Supply
1 Support local loads Charge batteries from bus Charge batteries from bus Support local loads
2 Export to grid Support local loads Charge batteries from grid Charge batteries from bus
3 - Export to grid Support local loads Export to grid
4 - - Export to grid -
Table 2-2. Optimal Configuration for Goal
Goal Optimal Inverter Configuration
Keep batteries charged as much as possible Priority Backup
Keep batteries charged using only solar power Clean Backup
Net-metering solar energy without a battery Grid Tie
Use grid as little as possible Self Supply
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