Friday, May 10th, 2019
Erich Styger has been working on a UPS with the Raspberry Pi to cover a short power out: There are different ways to ruin a Linux system. For the Raspberry Pi which uses a micro SD card as the storage device by default, it comes with two challenges: 1.Excessive writes...Tags: Raspberry Pi, UPS
Posted in R-Pi | No Comments »
Thursday, August 29th, 2013
Kerry D. Wong writes: Most offline/line interactive UPS‘ (Uninterrupted Power Supply) have a transfer time between 5 to 15 milliseconds. In this post, I will show you the results of the measured switch-over performance of my APC Back-UPS XS1500 and the technique I used.Tags: UPS, XS 1500
Posted in how-to, measurement | No Comments »
Sunday, November 13th, 2011
Here's a reference design from Microchip for a 1000VA pure sine uninterpretable uninterruptible power supply. UPS usually use 3 circuits to function. A charger for battery, a inverter to convert DC battery power to mains AC, and a controller that switches from mains to battery when the power is interrupted....Tags: app note, dsPIC, UPS
Posted in app notes | 7 Comments »
