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New frequency drive manufacturers Supply for coal mining equipment

New frequency drive manufacturers Supply for coal mining equipment

New frequency drive manufacturers Supply for coal mining equipment

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Product Information of New frequency drive manufacturers Supply for coal mining equipment
I/O: 12DI/12DO
Application Scope
The plc hmi developed by Coolmay is widely used in various fields.Coolmay always gives priority to customers and services. With a great focus on customers, we strive to meet their needs and provide optimal solutions.
Product Details
Coolmay's plc controller is exquisite in details.Closely following the market trend, Coolmay uses advanced production equipment and manufacturing technology to produce plc controller. The product receives favors from the majority of customers for the high quality and favorable price.
Company Advantages
1. The materials of Coolmay are selected carefully by the quality control department. The materials are guaranteed phthalates free and thick and durable enough for inflatable uses.
2. The product has obtained international quality certificates and meets the quality standard of many countries and regions.
3. Shenzhen Coolmay Technology Co., Ltd. has a series of professional and complete frequency drive manufacturers product lines.
Coolmay Variable Frequency Inverter 

New frequency drive manufacturers Supply for coal mining equipment-1

New frequency drive manufacturers Supply for coal mining equipment-2

ModelCM520- 0.75/1.5KWCM540- 0.75/1.5/4.0KWCM540- 5.5/7.5/11KW
Dimension86*114*143118*156*185247*160*176
L*W*Hmm
Weight0.9kg2.0kg3.7kg
Basic Function
Maximum frequencyVector control: 0.00~500.00Hz
V/F control: 0.00~500.00Hz
Carrier frequency0.8kHz~12kHz. The carrier frequency automatically adjusted based on the load features.
Input frequency resolutionDigital setting: 0.01Hz
Analog setting: Maximum frequency ×0.025%
Control modeOpen-loop vector control (SVC), Closed-loop vector control  (FVC), VF control.
Startup torqueG type: 0.25Hz/150% (SVC), 0Hz/180%(FVC), P type: 0.5Hz/100%
Speed range1:200(SVC), 1:1000(FVC)
Speed stability accuracy±0.5%(SVC), ±0.02%(FVC)
Torque control precision±5%(SVC)(above 10Hz), ±3%(FVC)
Overload capacityG type: 150% rated current 60s. 180% rated current 3s.
P type: 120% rated current 60s. 150% rated current 3s.
Torque boostAutomatic torque boost. Manual torque boost 0.1%~30.0%
V/F curveFive modes: Straight-line, Multi-points, Square V/F, V/F separation, V/F Semi-separation
V/F SeparationTwo modes: complete separation, semi-separation
Ramp modeStraight-line ramp and S-curve ramp.  
Four kinds of acceleration/deceleration time with the range of 0.0–6500.0s
DC injection brakingDC braking frequency: 0.00Hz~maximum, braking time: 0.0s~36.0s.
Braking action current value:0.0%~100.0%
Jog controlJog frequency: 0.00Hz~50.00Hz
Jog acceleration and deceleration tome:0.0s~6500.0s
Simple PLC, multistage speed operationIt implements up to 16 speeds via the simple PLC function or combination of DI terminal states.
Built-in PIDIt 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 controlAutomatic limit of the current and voltage during the operation, prevent frequent over current and over voltage
Rapid current limitMinimizing 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

Company Features
1. Shenzhen Coolmay Technology Co., Ltd. has gained world-wide reputation for its top quality frequency drive manufacturers .
2. Modern technology has been constantly introduced into the production of vfd drive 1 phase to 3 phase .
3. Coolmay is confident to provide you the most comprehensive services and products of high quality. Check it! Shenzhen Coolmay Technology Co., Ltd. is committed to becoming a comprehensive vfd frequency provider with global influence. Check it!
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