Power transmission system including multiphase alternating-current power supplies and loads, and capable of transmitting power between different types of power supplies and loads

A power receiver apparatus that receives a plurality of code-modulated waves from at least one power transmitter apparatus via a transmission path, the plurality of code-modulated waves including powers modulated by code modulation using a plurality of modulation codes based on a plurality of code sequences different from each other, respectively, the power receiver apparatus comprising:

• a plurality of code demodulators, each of which demodulates one code-modulated wave of the plurality of received code-modulated waves to generate code-demodulated power by code demodulation using a demodulation code based on a code sequence identical to the code sequence of the modulation code used for the code modulation of the one code-modulated wave, the code-demodulated power being generated as power of one of phase components of multiphase alternating-current power.

A power transmission system including a power transmitter apparatus, and a power receiver apparatus

• wherein the power transmitter apparatus comprises a plurality of code modulators which modulate powers of phase components of multiphase alternating-current power to generate a plurality of code-modulated waves, respectively, by code modulation using a plurality of modulation codes based on a plurality of code sequences different from each other, and transmits the plurality of code-modulated waves to the at least one power receiver apparatus via a transmission path, and
• wherein the power receiver apparatus comprises a plurality of code demodulators, each of which demodulates one code-modulated wave of the plurality of received code-modulated waves to generate code-demodulated power by code demodulation using a demodulation code based on a code sequence identical to the code sequence of the modulation code used for the code modulation of the one code-modulated wave, the code-demodulated power being generated as power of one of phase components of multiphase alternating-current power.

A power transmission system including:

• at least one power transmitter apparatus, and a power receiver apparatus,
• wherein the at least one power transmitter apparatus comprises a plurality of code modulators which modulate powers to generate a plurality of code-modulated waves, respectively, by code modulation using a plurality of modulation codes based on a plurality of code sequences different from each other, and transmits the plurality of code-modulated waves to the power receiver apparatus via a transmission path, and
• wherein the power receiver apparatus comprises a plurality of code demodulators, each of which demodulates one code-modulated wave of the plurality of received code-modulated waves to generate code-demodulated power by code demodulation using a demodulation code based on a code sequence identical to the code sequence of the modulation code used for the code modulation of the one code-modulated wave, the code-demodulated power being generated as power of one of phase components of multiphase alternating-current power.