MEASUREMENT METHOD OF PWM-CONTROLLED AC CURRENT AND DEVICE THEREFOR

• Main Authors: KUMAZAWA KATSUMI, SATO SHIGEKI
• Format: Patent
• Language: English
• Published: 20.09.2012
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

PROBLEM TO BE SOLVED: To accurately measure the amplitude and effective value of PWM-controlled AC current.SOLUTION: A measurement method of PWM-controlled AC current includes a current-voltage conversion step of converting PWM-controlled AC current to a voltage signal, an A/D conversion step of con...