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4 Using the Photovoltaic Array Simulator
Power Limitation when paralleling 1.5 kV, 20 kW units with 1.5 kV, 30 kW units
The following graph illustrates the Power Limitation when paralleling one 1.5 kV, 20 kW unit with one
1.5 kV, 30 kW unit.
When using a parallel configuration to current-share among mixed 1.5 kV models, the 30 kW units can
generate their full output power, but the 20 kW units are limited to 15 kW. This is shown by the green
portion of the graph, which illustrates that 5 kW are unavailable. Therefore, a power limitation of 45 kW
applies to this parallel configuration.
Power Limitations when paralleling 30 kW units using 200/208 Vac input mains
The output power of all 30 kW units when operating at 200/208 Vac nominal will be limited to 15 kW.
The output current of these units will also be limited to one half of their rated current. Because the 30
kW units can operate at either 200/208 or 380/480 Vac, the following limitations also apply:
All secondary units must be using the same ac mains line voltage as the primary unit. You cannot
l
have some primary or secondary units using a 200/208 Vac input and others using a 380/480 Vac
input, or an error (332) will occur.
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Keysight PV8900 Series Operating and Service Guide
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