Francisco G. Montoya

3 Questions 17 Answers 0 Followers

Questions related from Francisco G. Montoya

What is this power quality problem?

This is an openzmeter capturing the voltage of my house (Almería - Spain). It should be 230V - 50Hz with a more or less sinusoidal wave, but instead, I have a lot of PQ events like in the photo...

20 September 2021 4,459 14 View

4D rotations and rotors.. can a general expression be derived?

I recently asked in math stackexchange a question regarding 3D rotations in geometric algebra https://math.stackexchange.com/questions/3922021/angle-and-plane-of-rotation-in-3d-geometric-algebra....

08 December 2020 5,790 26 View

Convention for lag/leading angle in AC Phasor Circuit Theory

The conventional choice of lagging vs leading angle to represent the phase difference between voltage and current in AC circuits is somewhat arbitrary. The standard convention of a lagging...

01 January 1970 7,508 7 View