1、EC技術(shù)的風(fēng)機(jī)，可通過(guò)外部的電路脈沖調(diào)制或0-10V的電壓調(diào)節(jié)來(lái)實(shí)現(xiàn)風(fēng)機(jī)的無(wú)級(jí)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(jī)通過(guò)180度正弦(SVPWM)矢量控制可實(shí)現(xiàn)智能的恒恒流量控制，滿足客戶的智能需求。轉(zhuǎn)速、恒轉(zhuǎn)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(jī)可支持用戶通過(guò)485總線實(shí)現(xiàn)集中運(yùn)行控制和監(jiān)控多達(dá)255臺(tái)風(fēng)機(jī)。

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(jī)擁有全面的保護(hù)功能;如缺相、浪涌電壓、過(guò)欠電壓，堵轉(zhuǎn)，過(guò)電流、溫度保護(hù)等。EC fan has comprehensive protection function, such as phase failure.overvoltage, underyoltage,locked-rotor, over current and temperature protection.