Performance characteristic

Specialization characteristic

• Anti-roll control, inhibit spreader swing, efficient operation
• Speed with load, the operating speed can be adjusted in real time according to the equipment load changes
• Hook protection, brake detection hook, control motor output hover
• Easy positioning through the combination of deceleration and stop limits
• Anti-loose rope protection, up at a fixed speed, to detect lifting heavy objects, slowly accelerate, rise steadily
• The lifting mechanism can be selected according to the lifting parameter macro setting value
• Multi-motor switching, internal support 4 sets of motor parameters

High reliability

• The whole machine independent air duct design, effectively prevent dust impurities into
• Efficient and accurate thermal simulation platform software
• Advanced thermal testing and verification technology and equipment to effectively verify the theoretical results of thermal design
• Rigorous full load and overload verification test procedures
• The products are aging after high temperature belt load, effectively guarantee the factory quality
• Circuit board protection enhanced design, anti-corrosion, moisture-proof, dust and so on

High adaptability

• Wide voltage range design, three-phase 380V~480V (-15%~+10%)
• Built-in C3 filter to effectively suppress high-frequency harmonics generated by the inverter
• Simple and friendly EMC ground break design can effectively reduce the current to the floor drain
• Book type design, the volume is reduced by about 40% compared to traditional models
• Can realize the whole machine side by side installation, saving installation space

Performance control optimization

• Support the drive control of three-phase asynchronous motor and permanent magnet synchronous motor
• Support V/F control, open loop vector control, closed loop vector control
• Large starting torque, OLVC: 0.5Hz/150%, CLVC: 0Hz/200%
• High overload capacity, 150% rated current 60s, 180% rated current 10s

Easy to use

• 132kW and above standard machine factory configuration LED keyboard can support external import
• Keyboards 110kW and below can be equipped with a separate LED keyboard
• When the inverter starts and stops, the motor can be controlled by holding the brake
• Multi-segment speed control function, through the control terminal to achieve 16 segment speed operation
• Zero servo function, CLVC mode can achieve zero speed motor position locking
• Random PWM depth can improve the harsh noise of the motor
• Encoder redundancy operation mode, encoder failure can automatically switch to OLVC operation

Expansion and diversification

• Supports multiple code disk interface cards
• Supports I/O terminal expansion cards
• Support Profibus-DP, Profinet IO, CANopen, Modbus-TCP/IP, EtherNet IP, Ethercat and other communication

Autonomous fast debugging

• Support to connect background software, making debugging and maintenance more convenient
• Support event recording and fault recording

COENG Tech Co., Ltd. was founded in 2017, specializes in the research, manufacturing, sales, and service of electric drive products, with a primary focus on Variable Frequency Drives (VFDs).

As an innovative company, COENG leverages its expertise and advanced technology to develop cutting-edge VFD solutions. These VFDs are designed to provide efficient and precise control over electric drive systems, enabling enhanced performance and energy savings in various applications.

COENG's commitment to quality is reflected in its state-of-the-art manufacturing facilities, which adhere to strict quality control standards. The company employs a team of highly skilled professionals who are dedicated to delivering reliable and high-performance electric drive products.

In addition to manufacturing, COENG also places great emphasis on customer satisfaction. The company strives to provide exceptional sales and service experiences to its clients. Through a comprehensive sales network and responsive customer support, COENG ensures that its products are readily available and that customers receive timely assistance whenever needed.

With its forward-thinking approach and dedication to excellence, COENG Tech Co., Ltd. aims to become a leading player in the electric drive industry. The company's focus on research and development, coupled with its commitment to customer satisfaction, positions it as a trusted provider of innovative VFD solutions for diverse applications.

COENG provides multiple voltage power sections and different controlmodes VFD products, which are suitable for various industrial scenarios such as metallurgy, petroleum,petrochemical, mining machinery, port lifting, distributed power generation, large-scale testing platforms,marine equipment, textile, chemical, cement, municipal, etc.

The products are including HD2000 series low voltage engineering type VFD, HD8000 series medium voltage multi-level VFD, HV500 & HV510 series high performanceVFD, HV300 & HV350 series common VFD, HV610 series for crane and oilfield dedicated HEC series VFD.