In the following article I have explained 3 useful DC to DC uninterruptible power supply circuits or DC UPS circuits for low DC to DC uninterruptible power applications The first idea below presents a DC UPS circuit can be used for providing back up power to modems or routers during mains failures, so that the broadband/WiFi […]
UPS
How to Build a 220V DC Inverter UPS Circuit
In this post I have explained a simple 220 V to 220V DC online UPS inverter circuit. The idea was requested by Mr. Taiye. Technical Specifications I intend to build a 1000 watt UPS with a different concept (inverter with high voltage input dc). I will use a battery bank of 18 to 20 sealed […]
Sinewave UPS using PIC16F72
The proposed sinewave inverter UPS circuit is built using PIC16F72 microcontroller, some passive electronic components and associated power devices. Data provided by: Mr. hisham bahaa-aldeen Main Features: The main technical features of the discussed PIC16F72 sinewave inverter may be evaluated from the following data: Power output (625/800va) fully customization and can be upgraded to other […]
How to Design an Uninterruptible Power Supply (UPS) Circuit
In this brief tutorial I have explained how to design a customized UPS circuit at home using ordinary components such as a few NAND ICs and a some relays. What is an UPS UPS which stands for uninterruptible power supply are inverters designed to provide a seamless AC mains power to a connected load without […]
How to Make an ATX UPS Circuit with Charger
In this post I have explained a simple ATX UPS circuit with an automatic charger for enabling an automatic changeover from mains to battery power during mains failures and for ensuring an uninterruptible operation of the ATX load. Technical Specifications I´m interested in your site and there are a lot good ideas. But for my […]
Generator/UPS/Battery Relay Changeover Circuit
In this article I have explained a generator/UPS/Battery relay changeover circuit for implementing a customized optimization for a generator, UPS, battery power network, in order to enhance the operational efficiency of the system. The idea was requested by Mr. Sidingilizwe. Circuit Objectives and Requirements First of all thank you for adding me to your circles. […]