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Issue:
Measure and Analyses of Pump Energy Consumein of Variable Frequency Water System
Author(s):
WANG Yueren
,
SONG Tao
,
YU Jing
Pages:
757
-
761
Year:
2009
Issue:
4
Journal:
Journal of Shenyang Jianzhu University Natural Science
Keyword:
压差控制
;
水泵效率
;
节能
;
变频
;
Abstract:
目的 探讨影响闭式循环水系统水泵变频运行节能效果的原因及工程应用中循环水泵变频运行的控制范围.方法 通过人工模拟空调负荷变化的方法对压力控制下的空调实验系统变频冷水泵的节能特性进行了实测分析.结果 水泵有效功率和输入功率均随着电机频率的下降而不断降低,同时水泵效率也随着频率下降而降低.当电机频率由"效率突降点"40.82 Hz下降至39.74 Hz时,水泵效率ηi从32.43%急剧下滑至23.05...
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