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1. (WO2017169084) AC POWER REGULATOR AND AC POWER CONTROL METHOD

Pub. No.:    WO/2017/169084    International Application No.:    PCT/JP2017/003708
Publication Date: Fri Oct 06 01:59:59 CEST 2017 International Filing Date: Fri Feb 03 00:59:59 CET 2017
IPC: G05F 1/45
Applicants: RKC INSTRUMENT INC.
理化工業株式会社
Inventors: GOTOH, Shigefumi
後藤 茂文
YOSHIKAWA, Hirohisa
吉川 裕久
Title: AC POWER REGULATOR AND AC POWER CONTROL METHOD
Abstract:
An AC power regulator controlling power supply to a load by using phase control, that: calculates an estimated output power value on the basis of preset voltage information for a power supply connected to the load and on the basis of a measurement value for current that flows to the load; and performs simulated constant power control, on the basis of the difference between this estimated output power value and a target power value (the product of an applied target load factor and a preset maximum target power value). As a result, an AC power regulator can be obtained that has reduced cost, is more compact, and, even for a load having resistance value fluctuation as a result of deterioration over time, etc., can perform control that follows this fluctuation.