75kW Three Phase 380V Variable Speed Drive for Pumps, Fans and Compressors
The 75kW three phase 380V variable speed drive is a high-performance industrial motor control solution designed for precise speed regulation of pumps, fans and compressors. This variable speed drive, also known as a variable frequency drive (VFD), AC drive or inverter, enables three phase motors to operate efficiently under varying load conditions while significantly reducing energy consumption and mechanical stress.
By adjusting motor speed electronically instead of relying on traditional mechanical throttling methods, the 75kW VSD improves process stability, enhances operational efficiency and extends the service life of motors and driven equipment. It is widely used in water treatment systems, HVAC installations, manufacturing plants, industrial process lines and infrastructure projects where reliable and energy-efficient motor control is required.
75kW Variable Frequency Drive (VFD) Technical Specifications
| Item | Description |
|---|---|
| Power Rating | 75 kW (100 HP) |
| Drive Type | Three Phase Variable Speed Drive (VSD) / Variable Frequency Drive (VFD) |
| Input Voltage | Three Phase 380 V / 400 V / 415 V (±15%), 50/60 Hz |
| Output Voltage | Three Phase, continuously adjustable up to input voltage |
| Control Modes | V/F Control, Sensorless Vector Control (SVC), optional Closed-Loop Vector Control |
| Frequency Range | 0–400 Hz (customizable for special applications) |
| Overload Capacity | 150% for 60 seconds, 180% for 3 seconds |
| Cooling Method | Forced air cooling with intelligent temperature-controlled fan system |
| Protection Level | IP20 standard, IP21 / IP54 optional |
| Communication | Modbus standard, Profibus / Ethernet optional |
| Standards & Compliance | IEC, CE, ISO, RoHS, UL optional |
Optimized Motor Control for Pumps, Fans and Compressors
This 75kW variable speed drive is optimized for both variable torque and constant torque applications. In pump systems, the VSD provides smooth soft start and soft stop functions, reducing hydraulic shock, minimizing pipeline stress and improving flow control accuracy. For fan systems, the AC drive enables precise air volume adjustment while delivering substantial energy savings compared with damper-based control methods.
In compressor applications, the variable frequency drive ensures stable pressure regulation, smooth acceleration and deceleration, and reduced mechanical wear. By using a VFD inverter, industrial users can achieve consistent output performance, improved system reliability and lower operating costs across a wide range of operating conditions.
Energy Efficiency and Cost Reduction
The 75kW three phase variable speed drive plays a key role in industrial energy-saving initiatives. By matching motor speed to real-time load demand, the variable frequency drive eliminates unnecessary power loss caused by inefficient fixed-speed operation.
In typical pump and fan applications, energy savings of 20% to 60% can be achieved depending on system design and operating profiles. This makes the 75kW VSD an ideal solution for energy-saving retrofits, utility upgrades and new industrial installations focused on reducing total cost of ownership.
Industrial-Grade Design and High-Quality Materials
The 75kW VSD inverter is manufactured using industrial-grade IGBT power modules, long-life capacitors and reinforced control boards to ensure long-term reliability. All critical components are selected to withstand voltage fluctuations, electrical interference and continuous heavy-duty operation.
An optimized internal layout and advanced thermal management design ensure efficient heat dissipation, protecting sensitive components and enabling stable performance even in high-temperature or high-load environments.
Stable Operation and Comprehensive Motor Protection
This industrial AC drive integrates a full range of motor protection functions, including overcurrent, overvoltage, undervoltage, overload, phase loss and overtemperature protection. Soft start and soft stop functions reduce mechanical stress on motors, couplings and driven equipment during startup and shutdown.
Advanced control algorithms ensure smooth torque output and stable speed regulation, even under fluctuating load conditions, significantly reducing unexpected downtime in critical industrial processes.
Quality Control and Performance Testing
Each 75kW three phase variable speed drive undergoes strict quality control and testing before shipment. The testing process includes incoming material inspection, PCB functional testing, power module verification, simulated load testing and thermal performance evaluation.
Final inspection ensures accuracy of voltage and current output, stability of control performance, effectiveness of protection functions and reliability of communication interfaces, guaranteeing consistent product quality for global industrial customers.
Intelligent Control and System Integration
The 75kW variable frequency drive supports seamless integration with modern industrial automation systems. Standard Modbus communication and optional industrial protocols allow easy connection to PLC, DCS and SCADA systems.
Real-time monitoring, parameter adjustment and fault diagnostics improve operational visibility, simplify maintenance and enable efficient centralized control across complex industrial installations.
Customization and OEM Capabilities
To meet diverse project requirements, this 75kW variable speed drive supports extensive customization options. Customers can specify voltage configurations, control functions, communication protocols, enclosure protection levels and special software features.
OEM and private-label branding services are available for distributors, system integrators and project contractors seeking customized VSD solutions tailored to specific markets or applications.
Installation, Commissioning and Maintenance
Designed for practical industrial installation, the 75kW VSD features a user-friendly interface, clear wiring terminals and intuitive parameter settings. Commissioning can be completed efficiently by qualified technicians, reducing project timelines and installation costs.
Routine maintenance requirements are minimal. Intelligent cooling fan control, robust internal components and self-diagnostic functions help reduce maintenance frequency and extend service life.
Typical Industrial Applications
• Water supply and wastewater treatment pumps
• HVAC fans and ventilation systems
• Industrial air and gas compressors
• Manufacturing and processing equipment
• Mining and oil & gas auxiliary motor systems
• Infrastructure and utility motor control
• Energy-saving retrofit projects
Global Manufacturing and Supply Capability
As a China-based leading manufacturer, factory, supplier and wholesale exporter, this 75kW three phase 380V variable speed drive is supplied to industrial customers worldwide, including the United States, Canada, Brazil, Argentina, Australia, Indonesia, Malaysia, Philippines, United Arab Emirates, Saudi Arabia, Russia, Germany, France, South Africa, Mexico, New Zealand and other international markets.
Strong production capacity, strict quality management systems and global logistics support ensure stable supply, consistent quality and responsive technical service.
Product Scalability and Power Range Coverage
In addition to the 75kW model, variable speed drives are available across a wide power range to meet different industrial motor requirements. From lower kilowatt drives to high-power industrial VFD solutions, customers can standardize motor control platforms across multiple projects.
This scalability makes the 75kW VSD a reliable component within comprehensive motor control and energy management systems.
Why Choose This 75kW Variable Speed Drive
• High energy efficiency and reduced operating costs
• Stable three phase motor control
• Industrial-grade reliability and protection
• Flexible customization and OEM support
• Proven performance in global applications
• Strong technical and after-sales support
Frequently Asked Questions (FAQ)
Q1: What motors are compatible with this 75kW variable speed drive?
A: It is suitable for most three phase induction motors used in pumps, fans and compressors.
Q2: Can the drive operate continuously at full load?
A: Yes. The VSD is designed for continuous-duty industrial operation with proper installation and cooling.
Q3: Is customization available for special applications?
A: Yes. Voltage range, control modes, communication interfaces and enclosure protection levels can be customized.
Q4: Does the drive help reduce energy consumption?
A: Yes. By adjusting motor speed according to actual load demand, the variable frequency drive significantly improves energy efficiency.
Request a Quote or Technical Consultation
If you are sourcing a reliable three phase variable speed drive for industrial motor control, our VSD solutions are available across a wide power range, including common ratings such as 7.5kW, 15kW, 22kW, 37kW, 45kW, 55kW, 75kW, 90kW, 110kW and up to high-power models beyond 500kW. These AC variable frequency drives are suitable for pumps, fans, compressors and other demanding industrial applications.
We offer customized VSD and VFD solutions tailored to your specific voltage, control, communication and enclosure requirements. Whether you need a standard drive, a project-based solution or OEM/private-label production, our engineering team is ready to support your application from selection to commissioning.
Contact us today to request pricing, technical documentation or a customized solution. Send your inquiry now to discuss availability, lead time and purchasing options for your industrial variable speed drive project.
Request a Quote or Technical Consultation
If you are sourcing a reliable three phase variable speed drive for industrial motor control, our VSD solutions are available across a wide power range, including common ratings such as 7.5kW, 15kW, 22kW, 37kW, 45kW, 55kW, 75kW, 90kW, 110kW and up to high-power models beyond 500kW. These AC variable frequency drives are suitable for pumps, fans, compressors and other demanding industrial applications.
We offer customized VSD and VFD solutions tailored to your specific voltage, control, communication and enclosure requirements. Whether you need a standard drive, a project-based solution or OEM/private-label production, our engineering team is ready to support your application from selection to commissioning.
Contact us today to request pricing, technical documentation or a customized solution. Send your inquiry now to discuss availability, lead time and purchasing options for your industrial variable speed drive project.
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