50HP 45kw Variable Frequency Drives VFD

As a professional Variable Frequency Drives VFD manufacturer in China, CSIVEI would like to provide you durable 50HP 45kw Variable Frequency Drives VFD, which features both V/F and sensorless vector control modes, built-in PID controller, and support for external keypad or remote operation. The IP20 enclosure with side-by-side mounting capability allows efficient panel installation.

With easy parameter configuration and rugged construction, the CSIVEI 90kW VFD provides a solid foundation for basic motor speed control applications.

Core Parameters and Specifications

Key Features

1.Dual control modes: V/F for general speed regulation, sensorless vector for higher starting torque and accurate speed control.

2.High starting torque: Up to 150% at 0.5Hz.

3.Overload capacity: 150–190% for short durations.

4.Compact design: Side-by-side mounting reduces cabinet space requirements.

Typical Applications

The CSIVEI 50HP 45kw Variable Frequency Drives VFD is a high-power solution for heavy industrial and utility applications:

●  Large pumps – flood control pumps, irrigation district pumps, boiler feed pumps

●  ID/FD fans – power plants, cement kilns, steel mills

●  Compressors – large screw compressors, centrifugal compressors

●  Rubber and plastic machinery – internal mixers, calendar rolls, extruders

●  Test stands – dynamometers, engine test benches

With high power density and advanced communication protocols, it integrates into complex automation systems.

User-Friendly Operation & Easy Setup

The CSIVEI 50HP 45kw Variable Frequency Drives VFD prioritizes ease of use, reducing installation time and simplifying daily operation for engineers and maintenance personnel.

1.Intuitive Keypad – The LED/LCD keypad provides clear parameter display and quick navigation. Parameter groups are logically organized, and multi-language support ensures accessibility for global users.

2.Quick Start Wizard – Step-by-step setup guides users through basic parameter configuration in minutes. Pre-configured application macros (Fan/Pump, Conveyor, Constant Torque) allow one-touch setup for common applications.

3.Parameter Copy Function – Upload parameters from one drive to the keypad and download to multiple drives, significantly reducing setup time for multi-drive systems and ensuring consistent configuration.

4.Removable Keypad – The keypad can be mounted remotely using an extension cable, enabling convenient operation from control panel doors or remote locations.

5.Compact Design – Space-saving footprint allows side-by-side mounting, maximizing panel density and reducing cabinet size requirements.

FAQs

What's the difference between V/F control and vector control?

V/F maintains a fixed voltage-to-frequency ratio for general speed control. Vector control separates flux and torque, offering higher starting torque and improved speed accuracy. Sensorless vector mode does not require an encoder.

Do I need an external braking resistor?

It is required for high-inertia loads or rapid deceleration. For slower applications like fans and pumps, the internal braking function can be sufficient.

What protections are built into the drive?

Protections include over-voltage, under-voltage, over-current, short circuit, over-temperature, phase loss, and electronic thermal overload.

How does the VFD save energy?

For variable torque loads, power consumption follows the cube of speed. Automatic Energy Optimization adjusts voltage to the actual load, and Sleep Mode stops the motor during idle periods.

Can I use the VFD outdoors or in wash‑down environments?

Standard IP20 drives need to be in a clean, dry panel. For outdoor or harsh environments, CSIVEI offers higher IP ratings:

●  IP40 – good for dusty places like textile mills or woodworking

●  IP54/IP55 – dust‑tight and splash‑proof; works for outdoor enclosures and wash‑down areas

●  IP66 – fully dust‑tight and handles powerful water jets; suited for food processing, car washes, or outdoor use without extra enclosures

●  If corrosive gases are present, conformal coating on the PCB is recommended.

Customer Case: Conveyor Line Speed Control

A food processing plant needed to synchronize multiple conveyor sections with varying product throughput. Manual speed adjustments were time-consuming and led to product pile-ups or gaps.

Solution: Three CSIVEI 0.75-2.2kW VFDs were installed on key conveyor sections, linked via Modbus communication to the central PLC for coordinated control.

Results:

●  Conveyor speeds automatically synchronized with production rate

●  Product flow optimized, reducing downtime by 25%

●  Remote speed adjustment via HMI eliminates manual intervention

●  Quick changeover between product lines reduced from 30 minutes to 10 minutes

●  The solution has been expanded to six additional production lines.