POWER UNIT FOR CONTROLLING MEASUREMENT

• Main Author: OKINAKA AKIRA
• Format: Patent
• Language: English
• Published: 07.05.1992
• Subjects: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; SYSTEMS FOR STORING ELECTRIC ENERGY

PURPOSE:To improve reliability by mutually synchronizing uninterruptible power equipments (CVCF) having each constant voltage and constant frequency and instantaneously changing over the CVCF to the CVCF on the sound side when the loss of the output voltage of the CVCF is detected by a power-supply...