洁源防爆变频调速器

适用于爆炸性气体环境1区、2区；

◇适用于IIA、IIB级爆炸性气体环境；

◇适用于可燃性粉尘环境20区、21区、22区；

◇适用于温度组别为T1~T4的环境；

◇适用于化工、炼油、石油开采、海洋石油平台、油轮、军工

等危险场所；

◇主要用三相异步电动机平滑起动、转速调整。

◇Designed for Explosive atmosphere Zone 1 and Zone 2

◇Designed for Groups IIA,IIB

◇Designed for Combustible dust Zone20, Zone21, Zone22

◇Designed for Temperature classes T1~T4

◇Designed for sites with explosive atmosphere such as petroleum exploitation,

refinery, chemistry, medicine, textile, printing, military and military etc.

◇With overload short circuit, undervoltage protection, used for on-off electrical

apparatus and illumination circuit

◇Mainly used for soft starter and speed adjustment of three-phase asynchronous

motor

Enclosure is die casted of aluminum alloy and welded of sheet steel.

◇High voltage electrostatic powder coated surface.

◇Built-in ABB and Schneider brand transducer, and can be as per requested

brands.

◇Simple operation, stable start, without impulse current and lower power

supply volume, constant power factor.

◇Closed loop speed regulation systems is composed of sensor, transmitter

etc. control circuit.

◇Digital or analog type meter to indicating frequency, revolving speed, load

ratio or current etc.

◇Several adjusting models are available, manual adjusting, curve with

revolving speed changing as per time going or DCS remote signal adjusting.

◇With protections of over voltage, over current. short circuit.

◇Steel conduit and cable wiring.

◇外壳采用铸铝合金或钢板焊接成型，牢固可靠；

◇表面高压静电喷塑处理；

◇内装ABB或施耐德品牌变频器，也可按用户要求安装特定品牌；

◇操作简单，起动平稳，无冲击电流，电源容量大大降低，功

率因数恒定；

◇可通过传感器、变送器等控制电路组成闭环调速系统；

◇采用数字式或模拟式仪表显示频率、转速、负载率或电流等；

◇频率调节方式多样，可手动调节，也可设定转速按时间变化

的工艺曲线，或由DCS远程信号调节；

◇具有过电压、过电流、短路、欠电压、瞬时停电、断相等自

我保护功能；

◇钢管或电缆布线。