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High quality 18.5kw VFD for 3 Phase Motor Frequency Drives are offered by China manufacturer CSIVEI. Powered by advanced closed-loop vector control, this drive supports high starting torque, built-in PLC functionality, multiple communication protocols (Modbus, Profibus optional), and an intuitive LCD keypad for real-time monitoring. The IP20 enclosure with optional IP40 filter ensures reliability in demanding environments.
The 18.5kw VFD for 3 Phase Motor Frequency Drives from CSIVEI are engineered for high-performance industrial motor control. Designed to handle demanding loads such as pumps, fans, compressors, and conveyors, these drives combine advanced vector control technology with intelligent automation features. They enable smooth motor operation, precise speed regulation, and optimized energy consumption, making them essential for modern industrial facilities seeking efficiency and stability.
The CSIVEI 18.5kw VFD for 3 Phase Motor Frequency Drives are designed for high-power industrial applications where energy savings and process control are critical:
● High-capacity pumps – booster stations, district heating pumps, wastewater pumps
● Large fans – tunnel ventilation, power plant ID/FD fans, industrial drying ovens
● Compressors – screw air compressors, refrigeration screw compressors
● Extruders – plastic extrusion, rubber processing
● Cranes and hoists – overhead cranes, winches, lifting systems
Its built-in braking unit option and high overload capacity make it suitable for demanding cyclic loads.
Designed for modern industrial automation, the CSIVEI VFD series offers flexible communication options to integrate effortlessly into PLC-based control systems.
Built-in Modbus RTU – Standard on all models, enabling simple connection to HMIs, PLCs, and SCADA systems via RS485. Up to 247 drives can be networked on a single bus for centralized monitoring and control.
Optional Fieldbus Modules – Expand communication capabilities with optional modules for Profibus DP, Profinet, Ethernet/IP, CANopen, and DeviceNet, ensuring compatibility with major automation platforms.
Analog & Digital I/O – Configurable inputs (0-10V, 4-20mA) and relay outputs allow flexible integration with sensors, controllers, and external alarms without additional hardware.
PLC Functionality – Select models feature built-in programmable logic capabilities, enabling simple logic control and interlocking directly within the drive, reducing the need for external controllers.
What makes 18.5kw VFD for 3 Phase Motor Frequency Drives different from standard drives?
They feature advanced vector control, higher torque output, and intelligent automation functions, providing better precision, efficiency, and adaptability compared to basic V/F drives.
How do VFD improve energy efficiency?
They adjust motor speed according to load demand, reducing unnecessary power consumption. Features like AEO and sleep mode further enhance energy savings.
Are they suitable for harsh environments?
Yes, with optional IP40 and higher protection levels, they can operate reliably in dusty or demanding industrial environments when properly installed.
Can it integrate with existing automation systems?
Absolutely. They support Modbus RTU as standard and offer optional communication modules, making integration with PLC and SCADA systems seamless.
How do I choose the right 18.5kw VFD for 3 Phase Motor Frequency Drive?
Selection depends on motor power, load type, input voltage, environmental conditions, and communication requirements. Matching or slightly exceeding motor rating ensures optimal performance.
The drive shows fault codes on the keypad for quick diagnosis:
● OC (over‑current) – check for shorts, motor winding issues, or accel time too short
● OV (over‑voltage) – check the braking resistor (if used) or decel time too short
● UV (under‑voltage) – check input power and wiring
● OH (over‑temperature) – check the cooling fan, ambient temperature, and mounting clearance
● OL (overload) – check the motor load, increase accel time, or consider upsizing the drive
The manual has a full fault code table with detailed steps. If something's still off, CSIVEI tech support can help.
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No. 3788, Liujiang Road, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province, China
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If you have any enquiry about quotation or cooperation, please feel free to email us at sanchia@csivei.com or use the following inquiry form.Our sales representative will contact you within 24 hours. Thank you for your interest in our products.
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