Fulfilling the request, This post’s subject is wattmeter operation. An instrument that measures provided or dissipated power in a circuit.
Category: Energy comsumption
How the multifunction meter works?
Fulfilling requests, this post’s subject is multifunction meter, an instrument that makes many electrical measurements, to help in energy management.
Why is the system three-phase?
Why is the production, transmission, and distribution of electrical energy system three-phase, instead of single-phase? Let’s find out in this post.
UPS: What is it and how does it work?
UPS (the abbreviation of Uninterruptable Power Source) is also called no-break. The operation and types are today’s subject.
The white tariff system
Today is explained how the Brazilian white tariff system works. This is an alternative form to consumer pay electricity bill.
What are tariff flags?
This post’s subject is the Brazilian tariff flags system. Origin and how it works.
What is the difference between voltage levels?
Exist two voltage supply bands to domestic residences: 100 to 127 V and 200 to 240 V. Differences between these voltage levels in rms are today’s subject.
Operation and parameters of lamps (Part 3, HID and neon)
In the third part of operation and parameters of lamps, the subject is about high intensity discharge or HID and neon.
Operation and parameters of lamps (Part 2, luminescent lamps)
This is the second part of operation and parameters of lamps. Are shown luminescent lamps: fluorescent, ESL and LEDs.
Operation and parameters of lamps (Part 1)
This post is the first part of operation of all types of lamps and a comparative of parameters between the existent technologies. This part is about incandescent lamps.