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Off Line-UPS Offers (100 -5000 Watts)
Posted on Friday, November 12, 2010   •   Category: Miscellaneous

Off Line-UPS Offers (100 -5000 Watts)

With increased dependency on electric power for various domestic, commercial purposes and the seemingly declining capacity of power utilities in many countries, the need for additional backup power sources is on the rise. Various modules are already available to address these different needs. However, most modules are too expensive, too bulky, or too rigid in their power capacity, capability, and flexibility. The circuit described here is an off-line uninterruptible power supply. It has an expandable power stage design that can be easily modified for use with power ranges from as low as 100 W to as high as 5000 W with forced cooling.

     Driving P-Channel MOSFETs with a Microcontroller
     Table Lamp Circuit with LM555
     AC-AC Solid State Relay or SSR
     Plant Water Alarm
     Animated Christmas Star
     Off Line-UPS Offers (100 -5000 Watts)
     X10 Remote Temperature
     Sine Wave Synthesizer
     Water Level Indicator with Alarm
     Lightning Detector
Off Line-UPS Offers (100 -5000 Watts)

 

Build Accurate LC Meter and start making your own coils and inductors. This LC Meter allows to measure incredibly small inductances making it perfect tool for making all types of RF coils. LC Meter can measure inductances starting from 10nH - 1000nH, 1uH - 1000uH, 1mH - 100mH and capacitances from 0.1pF up to 900nF. The circuit includes an auto ranging and reset function to make sure the readings are as accurate as possible ... [more]



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