Dc-Dc Converter - Danfoss VTT Series Applications And Installation Manual

Variable twin turbo centrifugal compressors
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DC-DC Converter

Figure 3
DC-DC Board
Overview of the VTT Compressor
The DC-DC converter provides the compressor
with +24V DC (with respect to 0V) and HV+
(+250V DC with respect to HV-) for the bearing
pulse width modulation (PWM) amplifier. The
DC-DC Converter receives a high voltage DC
supply from the drive module.
Rev B
Rev C
M-AI-VT-001-EN Rev.C.1
Page 15 of 73

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This manual is also suitable for:

Vtt880Vtt1000Vtt1200

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