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PVP250kW & PVP260kW Inverter

Installation & Operation Manual

The DSP is very efcient at computing control and signal processing tasks. The DSP also

has built-in on-chip peripherals that include a Pulse Width Modulation (PWM) driver,

Analog to Digital (A/D) converters and other related features.

Active Cooling

The inverters come with blowers which activate as needed to keep the internal

components within preset temperature limits. These blowers are located under the air

intake hood of the inverter.

Housekeeping Transformer

The housekeeping transformer, located in the bottom left of the AC sub panel, is a voltage

conversion device that transforms 480VAC to 120VAC for use within the inverter.

Isolation Transformer

The inverter comes equipped with an integral isolation transformer (Figure 1-1, Rear

View). The isolation transformer is designed for class-leading inverter efciency.

Inductor

The inductor (Figure 1-1, Rear View) is used to lter the AC waveform generated by the

power module, effectively reducing high frequency noise.

AC Sub Panel

The AC landing, ltering and sense fusing takes place in the AC sub panel (Figure

1-4). The AC sub panel also includes the main load-rated transformer contactors, AC

disconnect, surge modules and the soft-start circuit.

Figure 1-4 AC Sub Panel

AC Disconnect

AC Surge Modules

Soft Start Contactor

AC Line Filter

Soft Start Resistors

Main Contactor

Soft Start and AC Sense Fuses

AC Landing Busbars (3)

AC Distribution PCB

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