All residential and industrial units have energy meters that show energy consumed by the users. But the power (watts) is not shown by these meters, except by some new models. During measurement, all energy meters flash an LED at a predetermined rate that is called impulse rate. The common flash rates are 6,400 impulses/kWh, 3,200 […]
The post A Handy Optical Wattmeter appeared first on Electronics For You.
View more at https://www.electronicsforu.com/electronics-projects/optical-wattmeter.
Credit- EFY. Published by Department of EEE, ADBU: tinyurl.com/eee-adbu
