Title:
DC CONVERSION CIRCUIT FOR VOLTAGE/PHASE CONTROL ANGLE
Document Type and Number:
Japanese Patent JPS61109119
Kind Code:
A
Abstract:
PURPOSE:To convert a phase angle into the accurate DC voltage by synthesizing waveforms of both signals of the discontinuous waveform voltage of a load obtained via a controller and the continuous waveform voltage of an AC power supply and converting the synthesized signals into the DC voltage through a smoothing circuit. CONSTITUTION:The voltage e1 supplied from an AC power supply 5 is converted into the voltage e2 of a discontinuous waveform via a controller 6. Then the voltage e2 is applied to a load 7. A DC conversion circuit 8 contains a waveform synthesizing circuit 16, a full-wave rectifier circuit 17, a smoothing circuit 18, etc. and supplies said voltages e1 and e2 to input terminals 9 and 10 respectively. These signal voltages e1 and e2 are synthesized by the circuit 16, and the difference signal voltage e3 is delivered. The voltage e3 is rectified by the circuit 17 to be turned into the ripple voltage e4, and the ripple component of the voltage e4 is removed by the circuit 18 to obtain the DC voltage E of a flat level. This voltage E is sent to an external measurement device 12 via an output terminal 11.
More Like This:
| JPS6225304 | POWER UNIT |
| WO/1998/028835 | PROTECTING METHOD FOR INRUSH CURRENT PREVENTING RESISTOR |
Inventors:
TAKIZAWA SHINICHI
KITAGAWA YASUHIRO
KITAGAWA YASUHIRO
Application Number:
JP22959884A
Publication Date:
May 27, 1986
Filing Date:
October 31, 1984
Export Citation:
Assignee:
HIOKI ELECTRIC WORKS
TOYOTA MOTOR CORP
TOYOTA MOTOR CORP
International Classes:
G05F1/10; G05F1/455; (IPC1-7): G05F1/455
Attorney, Agent or Firm:
Takuya Ohara