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Computer Hardware
Of PSU, UPS, PFC and Sine wave
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<blockquote data-quote="PixelDew" data-source="post: 2523699" data-attributes="member: 131580"><p>Would UPS models that hook up to external batteries be a much better option to the regular ups models that come with tiny batteries? I'm specifically talking about the microtek and APC line-interractive units that do not come with batteries attached. Something like a "<em>UPS OFFLINE DESIRE PRO+ 2000</em>" from microtek.</p><p></p><p>They would offer much longer runtime (based on the batteries you buy) and wouldn't need to be setup near the PC. Not having to hear that fan noise would be great after using a regular ups for years. </p><p></p><p>Another option that I was considering is a standard inverter that has a UPS mode. Both luminos and microtek seem to claim <15ms switchover time and the PSUs that I'm considering for my upcoming build have a hold up time of 17-18ms (based on tests done by cybenetics). </p><p>Would this mean the inverter can switch over fast enough to act as a ups? Can the switchover time be longer than 15ms in various circumstances? </p><p></p><p>Also I'm still confused on the benefits of pure-sine wave vs stepped approx/simulated sine wave. My current ups and pretty much all affordable ups use a non-pure sine wave, but most inverters use pure sine wave. So assuming the holdup time is fine, would an inverter be the better option or do the line-interractive UPS' offer other essential features that PCs specifically need?</p></blockquote><p></p>
[QUOTE="PixelDew, post: 2523699, member: 131580"] Would UPS models that hook up to external batteries be a much better option to the regular ups models that come with tiny batteries? I'm specifically talking about the microtek and APC line-interractive units that do not come with batteries attached. Something like a "[I]UPS OFFLINE DESIRE PRO+ 2000[/I]" from microtek. They would offer much longer runtime (based on the batteries you buy) and wouldn't need to be setup near the PC. Not having to hear that fan noise would be great after using a regular ups for years. Another option that I was considering is a standard inverter that has a UPS mode. Both luminos and microtek seem to claim <15ms switchover time and the PSUs that I'm considering for my upcoming build have a hold up time of 17-18ms (based on tests done by cybenetics). Would this mean the inverter can switch over fast enough to act as a ups? Can the switchover time be longer than 15ms in various circumstances? Also I'm still confused on the benefits of pure-sine wave vs stepped approx/simulated sine wave. My current ups and pretty much all affordable ups use a non-pure sine wave, but most inverters use pure sine wave. So assuming the holdup time is fine, would an inverter be the better option or do the line-interractive UPS' offer other essential features that PCs specifically need? [/QUOTE]
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