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Central Heating & Storage Heaters Forum
Circulating Pump Motors Power Factors
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<blockquote data-quote="Jean de Florette" data-source="post: 531802" data-attributes="member: 35097"><p>Back in the day, I remember power factor correction taking the form of small cabinets fitted with large electrolytics, the size of large baked beans tins, all with the intention of moving that VI lagging power factor somewhere closer to unity. The old pumping systems have gone to variable speed drives, and the beans tins have gone. Though, the savings in energy must still be an issue when the load on the pumps brings the drives up to speed. Life moves on in favour of 'green box' ticking.</p></blockquote><p></p>
[QUOTE="Jean de Florette, post: 531802, member: 35097"] Back in the day, I remember power factor correction taking the form of small cabinets fitted with large electrolytics, the size of large baked beans tins, all with the intention of moving that VI lagging power factor somewhere closer to unity. The old pumping systems have gone to variable speed drives, and the beans tins have gone. Though, the savings in energy must still be an issue when the load on the pumps brings the drives up to speed. Life moves on in favour of 'green box' ticking. [/QUOTE]
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