New variable ac drive Suppliers for textile machinery

Coolmay Variable Frequency Inverter

New variable ac drive Suppliers for textile machinery-1

New variable ac drive Suppliers for textile machinery-2

Model	CM520- 0.75/1.5KW	CM540- 0.75/1.5/4.0KW	CM540- 5.5/7.5/11KW
Dimension	86114143	118156185	247160176
*LWHmm*
Weight	0.9kg	2.0kg	3.7kg
Basic Function
Maximum frequency	Vector control: 0.00~500.00Hz
	V/F control: 0.00~500.00Hz
Carrier frequency	0.8kHz~12kHz. The carrier frequency automatically adjusted based on the load features.
Input frequency resolution	Digital setting: 0.01Hz
	Analog setting: Maximum frequency ×0.025%
Control mode	Open-loop vector control (SVC), Closed-loop vector control (FVC), VF control.
Startup torque	G type: 0.25Hz/150% (SVC), 0Hz/180%(FVC), P type: 0.5Hz/100%
Speed range	1:200(SVC), 1:1000(FVC)
Speed stability accuracy	±0.5%(SVC), ±0.02%(FVC)
Torque control precision	±5%(SVC)(above 10Hz), ±3%(FVC)
Overload capacity	G type: 150% rated current 60s. 180% rated current 3s.
	P type: 120% rated current 60s. 150% rated current 3s.
Torque boost	Automatic torque boost. Manual torque boost 0.1%~30.0%
V/F curve	Five modes: Straight-line, Multi-points, Square V/F, V/F separation, V/F Semi-separation
V/F Separation	Two modes: complete separation, semi-separation
Ramp mode	Straight-line ramp and S-curve ramp.
	Four kinds of acceleration/deceleration time with the range of 0.0–6500.0s
DC injection braking	DC braking frequency: 0.00Hz~maximum, braking time: 0.0s~36.0s.
	Braking action current value:0.0%~100.0%
Jog control	Jog frequency: 0.00Hz~50.00Hz
	Jog acceleration and deceleration tome:0.0s~6500.0s
Simple PLC, multistage speed operation	It implements up to 16 speeds via the simple PLC function or combination of DI terminal states.
Built-in PID	It can keep constant output voltage automatically when the mains voltage changes.
Automatic voltage regulation(AVR)	Automatically maintain a constant output voltage when grid voltage changes.
Over voltage/Over current loss of speed control	Automatic limit of the current and voltage during the operation, prevent frequent over current and over voltage
Rapid current limit	Minimizing over-current fault and protect the normal operation of converter.
Torque limit and control	"Excavator" characteristics, automatic limit of the torque during the operation, to prevent frequent over-current trip. Closed-loop vector mode torque control can be achieved.
Other models: CM540-15/ 18.5/ 22KW, CM540- 30/ 37KW
CM540-45/ 55/ 75KW, CM540-90/ 110KW
CM540-132/ 160/ 185KW, CM540- 200/ 220/ 250/ 280KW
CM540-315/ 350KW.
The above models are all iron shells. For detailed dimensions, please contact us
Detail info refer to:
Coolmay CM520 VFD user manual Coolmay CM540-Inverter user manual

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The advanced technology and sophisticated equipment give Coolmay the fine workmanship. It will be carefully packaged with a dustproof polybag

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High-efficiency production: Coolmay is well manufactured. Every detail of this product is paid close attention and it is brought out with the fine quality and performance. It is flexible when walking, but clings to the knees when the user kneels down

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The raw materials of Coolmay are purchased from reliable suppliers and delivered on time. It is available with both OEM and ODM services

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is a result of Chinese workmanship – from design engineering through to fabrication. Its production only relies on highly qualified staff and on state-of-the-art facilities. It ensures optimal ergonomics gain for different body types

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Coolmay is endowed with exceptional appearance. Its beautiful design comes from our exclusive designers with strong innovation and design capabilities. Its fabrics endow it with maximum ventilation and breathability

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Compared with other products, the product has obvious superiority such as long service life, stable performance, and good usability. With proper absorption, it eliminates bad odor

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