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Can you connect two UPS in series?

Can two UPS be connected in series

We had one of those unusual applications through last week. A customer had a load of 1000W that he needed to run for an hour. Simples – using our UPS calculator we can get one of our rack/tower VFI3000B units with 2 battery packs and problem solved. Or not. Problem is there is a maximum […]

Kehua UPS Chosen for Critical Industrial Application

Kehua UPS in Petrochemi installation

KEHUA TECH provides high-reliability power solutions for the largest 173 million yuan (about 23 billion euros) global refining project. Providing a complete industrial grade high-reliability power protection solution for key loads of Zhejiang Petrochemical Industry co., ltd’s 40 million tons/year refining and chemical integration project. Including more than 200 sets (10-120kVA) of industrial grade UPSs […]

Residual Current Devices (RCD) and Isolated UPS Systems

Consumer Unit

BS7671:2018 18th Edition Wiring Regulations now makes mandatory RCD protection on circuits up to 32A. Isolation transformers will negate the effectiveness of RCD protection. Is this a problem? Tony Bell explains.

VFI-B Series UPS LED Indicators

VFI-B LED + LCD Display

Here at Power Inspired we look at the nature of the product queries we receive and improve and update our product information as appropriate. One such regular question we have is the status of the UPS LED indicators on the VFI-B series and asking if this is normal. This article looks at the UPS LED […]

Regen Battery -To Pack Or Not To Pack

AG1500S ReGen Battery

Do you need a ReGen Battery for your AG1500S? This article explains what differences the battery pack will give to your power solution.

BS8418:2015 UPS System Selector

BS8418 UPS Applications

Many moons ago we blogged about BS8418:2010 (Installation and remote monitoring of detector-activated CCTV systems, Code of Practice) and the requirements for UPS Systems. That standard stated: Unless the mains power supply is supplemented with a stand-by generator, an uninterruptible power supply (UPS) must be able to power the CCTV control equipment and communications devices […]

Powervar Security II UPM vs TX Series

powervar-security-ii-upm-power-inspired-tx-series

A factual comparison of the key technical differences between the Powervar Security II UPM and the Power Inspired TX Series UPS System. Feature Security II UPM TX Series Comment N-E Bonded Yes No ➀ To Bond or Not to Bond Isolation Transformer On output On input ➁ Transformer on input or output? Technology Line Interactive(VI) […]

Treat Your HiFi This Christmas

Get 10% off the ReGen this Xmas

Go on! Spoil your HiFi this Christmas by powering it from the AG1500S AC Power ReGenerator. At Christmas we spoil ourselves with the best food and drink available. Well, electricity is your HiFi’s food – so while you’re tucking into your top nosh ensure your system receives nothing but the best as well. The AG1500S […]

This Is The Age Of The Lithium UPS

This Is The Age Of The Lithium UPS

Introducing the new range of KR-RM-LI series UPS, true online double conversion UPS Systems with internal Lithium Ion batteries. Welcome to the new age for UPS. UPS have traditionally used valve regulated sealed lead acid batteries for energy storage. They are relatively cheap, easy to install and maintain and have a reasonably good energy density. […]

Quality control of the electricity supply

Sine Wave Scope Trace

This is a guest post by Werner Karau of Antares Power,  Power Inspired Distributor in Germany. In this edition we consider the quality control of electricity supply. May we invite you to a small thought experiment? How do you answer this question: “Would you drive your car without fuel filter?” “No, of course not“, you […]