高速公路隧道风机变频器应用节能与经济分析

Analysis for Energy Conservation and Economy of Application of Tunnel Fan Frequency Converters of Expressways

简述隧道风机变频器工作原理,并根据流体学原理和隧道风机的风压—风量特性图,分析风机变频调速的节能原理。对射流风机和轴流风机的变频改造进行节能和经济分析,以验证高速公路隧道风机变频改造的重要性、实用性和经济性。

This paper describes operating principle of tunnel fan frequency converters and analyzes energy- saving principle of variable frequency speed regulation of fans in accordance with the fluidics principle and wind pressure- blast volume characteristic diagram of tunnel fans. The paper analyzes energy conservation and economy of frequency conversion renovation of jet fans and axial flow fans to verify importance,practicability and economy of frequency conversion renovation of tunnel fans of expressways.