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 company has strong strength and strict management. It not only has a standardized production workshop, but also has established a perfect quality management system. From the selection of raw materials to the delivery of finished products, the quality is strictly controlled in every link to ensure the excellent quality of .

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Shenzhen Coolmay Technology Co., Ltd. has a team with rich production experience and strong production capacity, and learns from foreign advanced technology, equipped with the most advanced production equipment, which provides a strong guarantee for the excellent quality of .

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Shenzhen Coolmay Technology Co., Ltd. Not only selected high-quality raw materials, but also adhered to the introduction of advanced production technology to produce , and carried out layer-by-layer checks and monitoring on each production link to ensure that all that leave the factory are qualified products, for customers Provide reliable quality assurance.

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Shenzhen Coolmay Technology Co., Ltd. has modern workshops and equipment, and has multiple sets of imported inspection and testing devices, and the production personnel strictly follow the national quality management system during production to ensure that provided to customers is of excellent quality , high quality products.

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Shenzhen Coolmay Technology Co., Ltd. There is a product research and development department with professional design talents. The structural design of each part of is more independent and creative. The designed product has a novel appearance and is equipped with exquisite workmanship. Carved and portrayed carefully in both places and as a whole, the final finished product is of high quality and extraordinary quality.

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The product caters to the market need in durability and performance. It can work perfectly even under the temperature of -40℃

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