| 摘要 |
A system is provided for transmitting control signals to the internal devices of a compressor. The compressor includes a housing, a hermetic power terminal and a motor for powering the compressor. The system includes a frequency converter that is located external to the compressor housing and a frequency decoder that is positioned inside the compressor housing. The frequency converter can convert a control signal from a controller to a high frequency signal. The frequency decoder decodes and converts the high frequency signal to a control signal for an internal device of the compressor. An AC input power source provides electrical power to the motor, and power transmission lines connect the AC input power source to the hermetic power terminal. The frequency converter is electrically coupled to the frequency decoder by two power transmission lines.
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