Motor

Capacitor and filtering solutions for industrial motor drives.

The Knowles Advantage

Knowles provides high-performance capacitors essential for motor drive applications, including DC link and harmonic filter capacitors that ensure stable voltage, minimize ripple, and protect critical components like IGBTs. Our solutions deliver long life, low ESR, and superior thermal stability, making these components ideal for industrial-grade motor control systems.

Knowles components can be found in:

  • Industrial Pumps: Motor drives control pump speed and torque to optimize fluid movement in manufacturing and process industries. 
  • Industrial Fans and Blowers: Used for ventilation and cooling systems, these motor-driven applications ensure efficient airflow in factories and large facilities.
  • Conveyors: Motor drives power conveyor systems for material handling, enabling smooth and automated transport in production lines.
  • Elevators and Escalators: Precision motor control ensures safe, reliable, and energy-efficient vertical transportation in industrial and commercial buildings.
  • Industrial Robots: Advanced motor drives enable precise motion control for robotic arms, critical for automation in assembly and manufacturing processes.

Reliable, High-Performance Solutions

Enabling High-Efficiency, Reliable Motor Control

Knowles powers industrial motor drives with high performance capacitors, inductors and EMI filters for efficient, compact, and reliable operation. 

  • VSD& Inverter Solutions: Components designed to improve efficiency and energy savings.
  • EMI Filtering: Reduce interference and ensure reliable operation in harsh environments.
  • Optimized Passive Designs: Compact components for space-saving, durable motor drives. 
  • Industry 4.0 Power Solutions: Smart, connected power conversion components for improved uptime and predictive maintenance.
  • Regulatory Compliance: Meets global efficiency standards (IE4, SEER, ESEER) to reduce losses and extend lifespan. 

Educational Resources

Blogs
Whitepapers
Evolving Motor Controller Design for Modern Robotics and Complex Automation Tasks

Evolving Motor Controller Design for Modern Robotics and Complex Automation Tasks

Pharmaceutical manufacturing is becoming increasingly reliant on robotics and automation. From precise dispensing and high-speed sorting to kit assembly and sterile packaging, today’s automation tasks demand advanced motor and drive technology to keep pace with complex, high-reliability environments.
View Article for Evolving Motor Controller Design for Modern Robotics and Complex Automation Tasks
View Article for Evolving Motor Controller Design for Modern Robotics and Complex Automation Tasks
The Role of Capacitors in Variable Frequency Drives and Modern Motor Control

The Role of Capacitors in Variable Frequency Drives and Modern Motor Control

Variable Frequency Drives (VFDs) are an essential part of modern motor controller design, enabling precise regulation of AC motor speed and torque. They operate by converting fixed-frequency AC power from the grid into DC, then inverting it back into AC at the desired frequency and voltage.
View Article for The Role of Capacitors in Variable Frequency Drives and Modern Motor Control
View Article for The Role of Capacitors in Variable Frequency Drives and Modern Motor Control

Leveraging Supercapacitors in Smart Logistics

Leveraging Supercapacitors for Efficient Wireless Power in Smart Logistics
View Resource for Leveraging Supercapacitors in Smart Logistics
View Resource for Leveraging Supercapacitors in Smart Logistics

Product Documentation

Custom DC Link Capacitors

Custom DC link and filtering capacitors deliver high ripple current performance, low inductance, and proven reliability.
View Resource for Custom DC Link Capacitors
View Resource for Custom DC Link Capacitors

Capacitors for Motor Applications

Reliable capacitors for efficient, high-performance motor systems.
View Resource for Capacitors for Motor Applications
View Resource for Capacitors for Motor Applications

Capacitors for RF Power in Semiconductor Manufacturing

RF power capacitors engineered to deliver the stability and reliability that next-generation systems demand.
View Resource for Capacitors for RF Power in Semiconductor Manufacturing
View Resource for Capacitors for RF Power in Semiconductor Manufacturing

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