Industrial Variable Frequency
Drive Distributor Solutions

A Variable Frequency Drive (VFD) is an essential industrial control device that precisely regulates AC motor speed and torque, optimizing power supply frequency and voltage. As your variable frequency drive distributor, we provide VFD solutions that enhance energy efficiency, reduce mechanical stress, and improve process control across critical applications like pumps, fans, and HVAC systems.

As a trusted variable frequency drive supplier, we offer authentic, high-quality VFDs from leading global brands such as Siemens, Schneider, Yaskawa, and ABB, ensuring reliability, performance, and long-term durability for your industrial needs. Whether for automation, energy savings, or precise motor control, our products meet the highest industry standards.

Main Components of the VFD System

Key Components for Industrial Automation Optimization

AC Drives

Rated Power: Matches the motor’s power rating.
Input Voltage: Aligns with the supply voltage.
Input Phases: 1-phase or 3-phase, based on the system.

DC Drives

Rated Output Current: The maximum current (e.g., 10A to 1000A) the drive can supply.
Rated Output Voltage: The DC voltage (e.g., 180V, 500V) for the motor.
Input Voltage: The AC supply voltage (e.g., 230V, 400V).
Input Phases: Single-phase or 3-phase input, depending on the drive.

AC VSD

Rated Power: Matches the motor’s power rating.
Input Voltage: Aligns with the supply voltage.
Input Phases: 1-phase or 3-phase, based on the system.

Single phase Drives

Rated Power: Usually lower, e.g., 0.37kW to 4kW, due to input limitations.
Input Voltage: Single-phase, like 200-240V.
Output Voltage: Three-phase, e.g., 200-240V, for the motor.

Soft Starters

Rated Current: Matches the motor’s current, e.g., 10A to 1000A.
Rated Voltage: Aligns with the supply, e.g., 200-690V.
Control Circuit Voltage: The voltage for activation, e.g., 24V DC, 110V AC.

Braking Resistors

Resistance Value: In ohms, e.g., 10Ω to 100Ω, to match the VFD.
Power Rating: In watts, e.g., 500W to 5000W, to handle energy dissipation.

What is a VFD？

A Variable Frequency Drive (VFD) is an electronic device that controls the speed and torque of an AC motor by varying the frequency and voltage of the power supplied to it.

This allows for precise speed adjustments, making it essential for industrial and commercial applications. As a reliable vfd distributor, we ensure you have access to a full range of components.

AC Drives
DC Drives
AC VSD
Single phase Drives
Soft Starters
Braking Resistors

AC Drives

What They Are: AC Drives, or VFDs, precisely adjust AC motor speed and torque by modifying the power supply's frequency and voltage. They deliver smooth operation, significant energy savings (up to 25% for fan/pump applications), and reduced motor wear.
Applications: As a dedicated ac drive distributor, we provide solutions perfect for pumps, fans, conveyors, and HVAC systems requiring adaptable speed control.

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DC Drives

What They Are : DC Drives precisely regulate DC motor speed and torque through voltage variation, delivering accurate control for unique industrial tasks. As experienced partners to dc drives manufacturers, we source and supply the ideal solutions for your projects.
Applications : Crucial for systems like elevators, cranes, and heavy machinery where high starting torque and controlled speed are paramount.

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AC VSD

What They Are: AC VSDs are another name for AC Drives or VFDs, focusing on their ability to vary motor speed, they optimize motor performance and energy use by avoiding fixed-speed operation. Applications: Common in automation, manufacturing, and energy-efficient systems.

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Single phase Drives

What They Are: These VFDs are tailored for single-phase AC motors, often found in smaller setups, they bring speed control to single-phase motors, enhancing efficiency in compact systems. Applications: Great for residential fans, blowers, and small pumps.

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Soft Starters

Soft Starters ramp up voltage gradually during motor startup to limit current surges. They reduce mechanical and electrical stress, prolonging motor life.
Applications: Ideal for pumps, compressors, and conveyors where abrupt starts cause issues. We are also a trusted soft starters distributor, serving the Southeast Asian market.

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Braking Resistors

Paired with VFDs, Braking Resistors dissipate excess energy during rapid motor deceleration. They ensure safe, controlled stopping by preventing drive overvoltage.
Applications: Essential for elevators, cranes, and high-inertia loads needing quick stops. We are a reliable braking resistor supplier for all your industrial needs.

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AC Drives

What They Are: AC Drives, commonly known as Variable Frequency Drives (VFDs), adjust the speed and torque of AC motors by changing the frequency and voltage of the power supply, they provide precise speed control, save energy, and reduce motor wear with smooth operation. Applications: Perfect for pumps, fans, conveyors, and HVAC systems needing variable speed.

DC Drives

What They Are: DC Drives control DC motor speed and torque by varying the voltage supplied to the motor, they deliver straightforward, accurate speed adjustments for specific tasks. Applications: Used in older systems, elevators, cranes, and machinery requiring strong torque.

AC VSD

What They Are: AC VSDs are another name for AC Drives or VFDs, focusing on their ability to vary motor speed, they optimize motor performance and energy use by avoiding fixed-speed operation. Applications: Common in automation, manufacturing, and energy-efficient systems.

Single phase Drives

What They Are: These VFDs are tailored for single-phase AC motors, often found in smaller setups, they bring speed control to single-phase motors, enhancing efficiency in compact systems. Applications: Great for residential fans, blowers, and small pumps.

Soft Starters

What They Are: Soft Starters ramp up voltage gradually during motor startup to limit current surges, they reduce mechanical and electrical stress, prolonging motor life. Applications: Ideal for pumps, compressors, and conveyors where abrupt starts cause issues.

Braking Resistors

What They Are: Paired with VFDs, Braking Resistors dissipate excess energy during rapid motor deceleration, they ensure safe, controlled stopping by preventing drive overvoltage. Applications: Essential for elevators, cranes, and high-inertia loads needing quick stops.

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Where will use VFD？

Manufacturing Plants: VFDs adjust motor speeds in conveyor belts, assembly lines, and machinery to match production demands.
HVAC Systems: They control fans and pumps in heating, ventilation, and air conditioning setups to optimize airflow and save energy.
Water and Wastewater Treatment: VFDs manage pumps and blowers, adapting flow rates to meet varying needs.
Oil and Gas Industry: They’re used in drilling rigs, pumps, and compressors to handle changing conditions.
Mining and Material Handling: VFDs power hoists, cranes, and conveyors for smooth, stress-free operation.
Food and Beverage Processing: They regulate mixers, grinders, and packaging equipment for better control and quality.
Elevators and Escalators: VFDs ensure smooth starts and stops, improving comfort and durability.
Renewable Energy Systems: In wind turbines and solar trackers, they adjust motor speeds to maximize power output.

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Who Uses VFD？

Automation Engineers: They design and set up VFDs to improve industrial processes and machine performance.
Maintenance Technicians: They install, monitor, and fix VFDs to keep systems running smoothly.
Electrical Engineers: They integrate VFDs into electrical setups, ensuring they work with motors and power sources.
Facility Managers: They use VFDs in commercial buildings to manage HVAC systems and cut energy costs.
Operations Managers: They fine-tune production lines with VFDs for efficiency and quality.
Energy Auditors: They suggest VFDs to save energy in industrial and commercial reviews.
HVAC Contractors: They install VFDs in air units and pumps to meet energy standards and client needs.
Original Equipment Manufacturers (OEMs): They build VFDs into machinery for advanced control features.

Selecting a VFD

If you need to find a suitable Variable Frequency Drive (VFD), it's essential to ask some key questions to ensure the selected VFD is compatible with your motor, power supply, and application requirements while optimizing performance and efficiency. Below are 10 critical questions, each followed by an explanation of why the parameter is important.

What is the motor's rated power?

The VFD's power must match the motor's rated power (e.g., 5 kW or 10 HP) to handle the load effectively.

An undersized VFD may overheat or fail to drive the motor properly, while an oversized one could lead to unnecessary costs by exceeding your needs.

What output voltage and phase does the motor require?

The VFD must provide the correct output voltage and phase (e.g., three-phase 380V) as specified by the motor. Incorrect output can lead to poor motor performance, overheating, or premature wear.

What is the application type (e.g., pump, fan, conveyor)?

Different applications have unique torque and speed requirements. For instance, pumps and fans typically need variable torque, while conveyors may require constant torque. The VFD's control method (e.g., V/Hz or vector control) should align with these needs for optimal performance.

Are there specific environmental conditions (e.g., temperature, humidity)?

VFDs have specific operating temperature and humidity ranges (e.g., 0-40°C, 90% humidity). If the environment is too hot, cold, or humid, the VFD may malfunction or have a shortened lifespan. Choosing a VFD designed for your environment is crucial, as some models are built for harsh conditions.

What communication protocols are needed?

VFD needs to integrate with a control system (e.g., PLC), it must support the required communication protocols (e.g., Modbus, Ethernet/IP, or Profibus). Otherwise, automation and monitoring may become difficult or impossible.

VFD System Components: Your One-Stop Source

As your dedicated variable frequency drive supplier, we ensure you have access to a complete selection of VFD accessories that enhance functionality and provide robust system protection. These vital components include:

Input/output filter

Input/output filters are devices used to suppress electromagnetic interference (EMI) and electrical noise generated when the inverter is running.
They are installed on the power supply side (input end) and motor side (output end) of the inverter to protect the equipment and improve the power quality.

VFD Control Panel

The VFD control panel (also called variable frequency control cabinet, variable frequency drive operation panel) is an electronic control device used to install, operate, monitor, and protect the variable frequency drive (VFD).

Leading PLC Module Brands We Distribute

Schneider Electric

Schneider Electric is a global leader in energy management and automation, known for its versatile Altivar series of VFDs. These drives support a wide range of applications, from pumps to complex machinery, and are valued for their energy efficiency, advanced motor control, and easy system integration.
With a focus on user-friendly design and sustainability, Schneider VFDs are widely used in industries like HVAC, water treatment, and manufacturing to cut energy costs and boost efficiency. As premier schneider vfd distributors, we offer their full product line.

Products include but are not limited to:

Intelligent circuit breakers and overload relays
Programmable logic controllers (PLCs)
Motor control and protection equipment fixed operation;
Energy management systems
Low-voltage power distribution products

Yaskawa

Yaskawa, a Japanese leader in industrial automation, is known for high-performance VFDs like the GA800 and FP605 series. These drives offer precision, reliability, and durability, making them ideal for robotics, material handling, and packaging.
With compact designs, advanced software, and energy efficiency, Yaskawa VFDs suit both small and large operations. Their strong reputation, especially in Asia, highlights their role in delivering cost-effective, high-quality motor control solutions.We are proud to be authorized yaskawa vfd distributors.

Products include but are not limited to:

Inverters, motors and generators
Programmable logic controllers(PLCs)
Human-machine interfaces (HMIs)
Industrial software
Robotics and automation systems
Intelligent circuit breakers
Power quality products
Energy efficiency management systems

Siemens

Siemens, a leading German industrial company, is well-known for its SINAMICS series of VFDs. These drives offer great flexibility, supporting everything from low-voltage to DC applications. Siemens stands out for its digital innovations, using AI and edge computing to enhance efficiency and sustainability.
With a strong global network, Siemens VFDs are widely used in automotive, energy, and manufacturing industries, known for their precision and scalability in complex systems. We are a premier siemens vfd distributor, providing comprehensive support.

Products include but are not limited to:

Contactors and overload relays
Programmable logic controllers (PLCs)
Manual and intelligent motor protectors
High-performance molded case circuit breakers

CONTACT US

Looking for a reliable ac drive supplier of industrial electrical and automation products?

SimplyBuy is your ideal choice!

We specialize in providing original and brand-new electrical control and automation products, covering renowned brands such as Schneider, Siemens, Mitsubishi, ABB, and Omron. Whether you need a quick quote, technical support, or customized solutions, we respond within 12 hours to help your projects proceed smoothly.

Email

sales@simplying.com

Tel

+86 131-9261-2662

Address

No.600 Shenmei Road Pudong District ,Shanghai China 201318

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