Polyphase a.c. motor supplied with power via d.c. power supply

Polyphase AC input to DC output voltage converter

Polyphase AC/DC converter

Polyphase emulator for single phase circuit

Polyphase frequency converter with individually current-regulate

Polyphase full-wave rectifying circuit

Polyphase hybrid rectifying bridge with commutation fault protec

Polyphase inverter with neutral-leg inductor

Polyphase power adapter for frequency reduction

Polyphase rectifying apparatus having single-phase...

Polyphase rectifying bridge with commutation fault protection

Polyphase variable frequency inverter with output voltage contro

Polyphase voltage converter

Portable charging apparatus having a charging battery built-in

Portable computer and system having an alignment mechanism

Portable computer having built-in AC adapter incorporating a spa

Portable computer having built-in AC adapter incorporating a spa

Portable computer system with mechanism for accumulating mechani

Portable device for generating two phases from a single...

Portable generator