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["만약only更换泵体而不变电机的情况下,怎么粗略估算相比原来的耗电量占比是多少百分比呢。",,"원来的总管压力是6MPa,现在经过优化后为5MPa。通过更换泵体,电机利旧。大约能节电耗百分之几啊。粗略的。","可以直接按照压力的比例来计算吗。假设原先泵出口压力是6MPa。换了泵体后,出口压力变为5MPa,流量不变。耗电量差不多也就是原来的5/6。估算,不知道电流的前提下的。","具体的计算可以用下面的公式:KW/时=√ ̄3×电压/千伏×电流×功率因数。算出来后再乘以一度电多少钱就得到了。"]

2018-07-23View Original

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原来的总管压力是6MPa,现在经过优化后为5MPa。通过更换泵体,电机利旧。大约能节电耗百分之几啊。粗略的。
Reply #22018-07-23
可以直接按压力的比值来吗。假设原先泵出口6MPa。换了泵体,出口为5MPa了,流量不变。耗电差不多也就是原来的5/6。估算,不知道电流的前提下的。
Reply #32018-07-23
有个公式可以具体算一算:KW/时=√ ̄3×电压/千伏×电流×功率因数。算出来再乘以一度电多少钱就得了。

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