Advanced production technology 
Century-old product history 
Professional project planning 
Efficient after-sales service 
Kiln induced draft fan, preheating tower fan
Separator fan, main suction fan
Cooler exhaust fan, pressure blower
Powder grinding induced draft fan, kiln air supply fan
Cooler dust suction fan, etc
Sintering main extraction fan, mud pump
High pressure blower, ventilation fan
Cooling water pump, remove sticking pump
Centrifugal feed pump, dust removal fan
Blast furnace fan, compressor, etc.
Feed pump, suction fan, circulating pump
Centrifugal induced draft fan, blower, condensate pump
Mortar pump, blower, compressor
Stator vane adjustable axial flow induced draft fan
Adjustable axial flow induced draft fan with moving blade.
Main pipeline pump, injection pump
Gas compressor, induced draft fan
Extruder, brine pump, mixer
Submersible oil pump, boiler feed pump, etc.
Sewage pump
Purifying pump
Clean water pump
Biological crude treatment tower pump, etc.
? Frequency converter can be self-started, kinetic energy buffer;
? Time is load dependent and has been verified by a third party.
? Currently increased to level 16;
? The stability of medium and high voltage frequency converter is improved;
? Greatly reduce unit IGBT failures due to high frequency control;
? Make the equipment much more stable than standard equipment.
? Adopt mechanical bypass control technology;
? Each phase supports up to 2 bypasses;
? The same level bypass is recommended abroad.
? Fan condition monitoring and alarm;
? The frequency converter can operate normally even if the fan is damaged;
? Frequency converter can accurately locate fan faults.
? Frequency conversion hot backup;
? Improve the reliability of equipment operation;
? When a single frequency converter fails, the motor can continue to run;
? After the fault converter recovers, switch back to parallel operation without stopping.
? Adopt self-developed high-performance speed vector control mode, without speed sensor;
? large starting torque;
? Strong resistance to load fluctuation;
? High control precision.
? Realize free switching from power frequency to frequency conversion;
? Adaptive, no impact during synchronization;
? Support synchronous grid-connection and vector backcutting control;
? Solve the soft start and back switch speed regulation problems of high-power motor.
● Multi-machine master and slave control;
● Power balance distribution;
● Suitable for belt conveyor and other multi-machine linkage field.
By comparing the advantages and disadvantages of the current maintenance and detection system methods, the significance ......
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