Danfoss Turbocor TTS Series, Applications And Installation Manual

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Figure 2-4 Major Components
2.5 Compressor Module
This section provides a brief overview of the Compressor Module.
The Compressor Module is comprised of three portions:
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Aerodynamics - The aerodynamics portion manages the refrigerant compression process from the
suction to the discharge including the inlet guide vane assembly.
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Motor - The motor portion contains a direct-drive, high-efficiency, permanent-magnet synchronous
motor powered by pulse-width-modulating (PWM) voltage supply. The high-speed variable-frequency
operation that affords high-speed efficiency, compactness and soft start capability. Motor cooling is by
liquid refrigerant injection.
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Electronics - The electronics is divided into two (2) sections: Power electronics located on the top of the
compressor including soft-start, DC-DC, Silicon-Controlled Rectifier (SCR), capacitors, and inverter.
Control electronics located on the side of the compressor including: backplane, BMCC, serial driver, and
PWM.
M-AP-001-EN Rev. S-9/8/2021 Page 23 of 136