https://www.upsavrfactory.com/blog/ Selection guides, sizing maths and field notes on UPS systems, voltage stabilizers and battery banks for unstable grids. en Fri, 30 Oct 2026 00:00:00 GMT https://www.upsavrfactory.com/blog/elevator-backup-ups-ard/ https://www.upsavrfactory.com/blog/elevator-backup-ups-ard/ Fri, 30 Oct 2026 00:00:00 GMT How elevator backup works: UPS vs ARD rescue device vs generator, how to size the rescue circuit, and what to confirm with the lift contractor. Elevator https://www.upsavrfactory.com/blog/gas-station-ups-avr/ https://www.upsavrfactory.com/blog/gas-station-ups-avr/ Fri, 30 Oct 2026 00:00:00 GMT Protecting a fuel station: the load list, AVR vs UPS, hazardous-area rules for equipment placement, generator coordination and a backup configuration. 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SOHO https://www.upsavrfactory.com/blog/water-pump-ups-sizing/ https://www.upsavrfactory.com/blog/water-pump-ups-sizing/ Fri, 30 Oct 2026 00:00:00 GMT Sizing backup power for water pumps: starting current, DOL vs soft starter and VFD, three-phase loads, runtime, and when a UPS is the wrong tool. Water pump https://www.upsavrfactory.com/blog/voltage-regulator-vs-voltage-stabilizer/ https://www.upsavrfactory.com/blog/voltage-regulator-vs-voltage-stabilizer/ Fri, 30 Oct 2026 00:00:00 GMT Voltage regulator, stabilizer and AVR often mean the same box. The difference between the names, the mechanisms, and how to choose for a weak grid. Voltage stabilizer https://www.upsavrfactory.com/blog/what-is-an-uninterruptible-power-supply/ https://www.upsavrfactory.com/blog/what-is-an-uninterruptible-power-supply/ Fri, 30 Oct 2026 00:00:00 GMT A plain-language guide to UPS systems: what a UPS does, how double-conversion, line-interactive and standby designs work, and how to size one. UPS basics https://www.upsavrfactory.com/blog/how-to-size-a-ups-for-unstable-grid/ https://www.upsavrfactory.com/blog/how-to-size-a-ups-for-unstable-grid/ Tue, 27 Oct 2026 00:00:00 GMT A practical sizing method for UPS systems: kW to kVA, design margin, motor starting, battery runtime, and the site conditions that change the answer. UPS sizing https://www.upsavrfactory.com/blog/online-vs-line-interactive-ups/ https://www.upsavrfactory.com/blog/online-vs-line-interactive-ups/ Thu, 15 Oct 2026 00:00:00 GMT Online double-conversion vs line-interactive UPS compared: transfer time, waveform, input range, efficiency, battery use and which loads justify the price. UPS topology https://www.upsavrfactory.com/blog/servo-vs-contact-voltage-stabilizer/ https://www.upsavrfactory.com/blog/servo-vs-contact-voltage-stabilizer/ Mon, 28 Sep 2026 00:00:00 GMT Servo vs contact-type voltage stabilizers compared: input range, output accuracy, response time, maintenance and the site readings that decide. Voltage stabilizer https://www.upsavrfactory.com/blog/ups-battery-runtime-vrla-vs-lifepo4/ https://www.upsavrfactory.com/blog/ups-battery-runtime-vrla-vs-lifepo4/ Sat, 12 Sep 2026 00:00:00 GMT How to calculate UPS battery runtime, why a simple Ah division overestimates the bank, and when LiFePO4 is worth the higher capital cost. Battery runtime https://www.upsavrfactory.com/blog/three-phase-ups-industrial-loads/ https://www.upsavrfactory.com/blog/three-phase-ups-industrial-loads/ Wed, 26 Aug 2026 00:00:00 GMT Why industrial loads need more than a commercial UPS: crest factor, motor starting, input range, overload curves, IP protection, and commissioning checks. Industrial UPS https://www.upsavrfactory.com/blog/brownout-protection-philippines/ https://www.upsavrfactory.com/blog/brownout-protection-philippines/ Mon, 10 Aug 2026 00:00:00 GMT How brownouts in the Philippines differ from blackouts, why a UPS drains during a long sag, and how to combine an AVR and a UPS on 220 V / 60 Hz sites. Philippines https://www.upsavrfactory.com/blog/cctv-security-room-ups-runtime/ https://www.upsavrfactory.com/blog/cctv-security-room-ups-runtime/ Wed, 22 Jul 2026 00:00:00 GMT Security-room UPS sizing: NVR, PoE camera and access-control loads, battery runtime, rack layout, remote alerts and the test schedule that proves runtime. CCTV