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1、EC技術(shù)的風(fēng)機，可通過(guò)外部的電路脈沖調制或0-10V的電壓調節來(lái)實(shí)現風(fēng)機的無(wú)級變速。

Variable speed control ofEC fan can be realized/achievedvia 0-10Vspeed adjustmentand/or external circuit impulse modulation.

2、EC技術(shù)的風(fēng)機通過(guò)180度正弦(SVPWM)矢量控制可實(shí)現智能的恒恒流量控制，滿(mǎn)足客戶(hù)的智能需求。轉速、恒轉矩、

Constanttorque, constant speed and constant airflow of EC fan can befulfilled via180"sine SVPWM(Space Vector PWM) to meet customerneeds.

3、智能的EC風(fēng)機可支持用戶(hù)通過(guò)485總線(xiàn)實(shí)現集中運行控制和監控多達255臺風(fēng)機。

Intelligent EC fan can support users to realize centralized operationcontrol by 485 bus and monitor as many as 255 fans.

4、采用EC技術(shù)的風(fēng)機擁有全面的保護功能;如缺相、浪涌電壓、過(guò)欠電壓，堵轉，過(guò)電流、溫度保護等。EC fan has comprehensive protection function, such as phase failure.overvoltage, underyoltage,locked-rotor, over current and temperature protection.