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

Posted by Peter Matthews on Sep 24, 2025 8:15:00 AM

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. 

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Topics: Capacitor, Industrial

Knowles DSM Supercapacitor Modules Now Available in 60V

Posted by Trent Carroll on Sep 10, 2025 8:15:00 AM

Knowles’ DSM supercapacitor modules use EDLC cells in series to expand energy storage capacity across a broader voltage range. Their instant charge and discharge capabilities outperform batteries, but without the shipping restrictions, thermal runaway risks, or much shorter lifespans associated with lithium-ion technology. 

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Topics: Capacitor, News and Events, Medical, Energy, Industrial

Introducing a New Line of High-Performance Safety-Certified Capacitors

Posted by Nan Zhang on Jul 30, 2025 7:15:00 AM

Many applications today increasingly demand miniaturized surface-mount components that can perform reliably at ever-increasing working and testing voltages. As a result, Knowles recently released a new range of X1/Y2 safety-certified surface-mount multilayer ceramic capacitors (MLCCs). 

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Topics: Capacitor, News and Events, Electric Vehicles, Industrial

The Critical Role of Capacitors in Pulsed Power Design

Posted by Peter Matthews on Jul 23, 2025 8:00:00 AM

Powering everything from pulsed lasers to experimental fusion reactors, pulsed power systems demand fast, controlled energy delivery. High-performance capacitors are key to this capability. 

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Topics: Capacitor, Military and Aerospace, Industrial

Enhancing Power Systems with Supercapacitor Technology

Posted by Peter Matthews on Jun 25, 2025 8:00:00 AM

From EVs and industrial automation to renewable energy and smart logistics, power systems are becoming increasingly complex. As a result, they’re increasingly dependent on reliable, high-speed energy storage too. Enter supercapacitors, a critical technology bridging the gap between traditional batteries and real-time power demands.  

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Topics: Capacitor, Energy, Industrial

Evolving Motor Controller Design for Modern Robotics and Complex Automation Tasks

Posted by Peter Matthews on May 28, 2025 8:15:00 AM

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. 

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Topics: Capacitor, Industrial

Supercapacitors For Fail-Safe Control in Industrial Systems

Posted by Peter Matthews on May 21, 2025 8:15:00 AM

Unplanned power interruptions and shutdowns pose serious risks for industrial facilities. Even a few seconds of lost control can result in equipment damage, safety hazards, or production losses. Fail-safe systems are among the key risk mitigation techniques used in high-stakes industrial environments.  

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Topics: Capacitor, Energy, Industrial

How Pulse Forming Networks Shape High Energy Pulses

Posted by Peter Matthews on Mar 26, 2025 8:15:00 AM

From high-power radar to advanced medical imaging, many cutting-edge technologies rely on precisely controlled high-energy pulses. However, generating a pulse that delivers consistent power without distortion isn’t as simple as discharging a capacitor. These systems rely on Pulse Forming Networks (PFNs) to shape and control high-energy pulses. 

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Topics: Military and Aerospace, Medical, Industrial

Understanding Energy Density and Power Density in Capacitor Applications

Posted by Peter Matthews on Feb 26, 2025 8:15:00 AM

Energy density and power density are essential, yet unique, metrics. Understanding the differences between them is crucial for designing efficient energy storage solutions. This blog explores those differences and their impact on capacitor performance.

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Topics: Capacitor, Electric Vehicles, Industrial

Supercapacitor Modules Bridge the Power Gap for No-Fail Systems

Posted by Peter Matthews on Jan 8, 2025 8:15:00 AM

With more and more mission-critical systems relying on electrical power, consistent and reliable backup power is essential to ensure uninterrupted operation. Facilities like data centers and hospitals leverage backup power to manage the short, but potentially catastrophic, delay between grid power failure and the start of long-term back up (e.g., local generation via diesel generators).  

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Topics: Capacitor, Medical, High Reliability, Industrial

Insights Into Precision Passive Devices

Knowles Precision Devices is a premier global source for Capacitors, RF Filters, EMI Filters, Resonators, non-magnetic components and advanced dielectric materials. An umbrella for the brands of Compex, DLI, Johanson MFG, Novacap, Syfer and Voltronics, Knowles Precision Devices serves a variety of markets including military, aerospace/avionics, medical equipment, implantable devices, EMI and connector filtering, oil exploration, instrumentation, industrial electronics, automotive, telecoms and data networks.

This Blog will provide insights into:

  • Filters for 5G and mmWave
  • Capacitors for High Voltage
  • Capacitors for High Reliability

and much more. Subscribe below to stay informed.

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