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More than 140 years of driving and motor research and development experience

Xx Industrial Equipment Co., LTD., is a specialized in frequency conversion water supply, environmental protection equipment sales, sewage project operation, maintenance and waste gas dust removal treatment and other environmental technical services related to the emerging enterprises.Xx industrial equipment company has the most professional and experienced environmental technical personnel, with the most enthusiastic service attitude committed to the fore...

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Advanced production technology
Century-old product history
Professional project planning
Efficient after-sales service

Water cooled frequency converter

Water-cooled frequency conversion speed regulating device II

Water-cooled frequency conversion speed regulating device (hereinafter referred to as frequency converter) adopts unique soft charging technology to precharge the power unit capacitor in the frequency converter by controlling the power supply and effectively eliminate the excitation inrush current. Does not affect the upper high voltage switchgear, does not affect the power unit in the DC capacitance, prolong the service life and reliability of the capacitor.

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Water cooled frequency converter

Water-cooled frequency conversion speed regulating device one

High power water cooled frequency conversion speed regulating device, capacity range from 7000KVA-40MVA, adopts modular power unit design. Water cooled power unit, high power density, easy maintenance and installation. Suitable for LNG, wind tunnel, long distance pipeline, chemical industry, metallurgy, power generation, cement and other fields.

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Air cooled inverter

Air-cooled frequency conversion speed regulating device II

Forced air cooled frequency control device, capacity range of 250KVA-15MVA. Modular power unit design, air cooling, high power density, easy maintenance and installation. Suitable for LNG, wind tunnel, long distance pipeline, chemical industry, metallurgy, power generation, cement and other fields.

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Air cooled inverter

Air-cooled frequency conversion speed regulating device one

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Why choose us

Core technology advantage

Low voltage crossing

• Frequency converter can be self-started, kinetic energy buffer;

• Time is load dependent and has been verified by a third party.
N+ level unit configuration mode

• 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.
Power cell bypass technology

• Adopt mechanical bypass control technology;

• Each phase supports up to 2 bypasses;

• The same level bypass is recommended abroad.
Fan redundancy function

• Fan condition monitoring and alarm;

• The frequency converter can operate normally even if the fan is damaged;

• Frequency converter can accurately locate fan faults.
Two-machine parallel connection

• 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.
Speed sensorless vector control

• Adopt self-developed high-performance speed vector control mode, without speed sensor;

• large starting torque;

• Strong resistance to load fluctuation;

• High control precision.
uninterrupted switching

• 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 drive control

● Multi-machine master and slave control;

● Power balance distribution;

● Suitable for belt conveyor and other multi-machine linkage field.