Potting, Mixing and Dispensing Machines for PU Resins, Epoxy, Silicone – Twin Engineers

5 Challenges in PQ Capacitor Potting: How Vacuum Potting from Twin Engineers Solves Critical Issues

PQ capacitors, widely used in various electronic applications, are known for their high power density and efficiency. These capacitors play a crucial role in energy storage and management systems, ensuring stable and reliable performance. However, the potting process, which involves encapsulating the capacitor components in a protective resin, is critical to their performance and longevity.

Why Good Quality Potting is Critical

Good quality potting is essential for PQ capacitors as it provides insulation, protection from environmental factors, and enhances thermal management. Poor potting can lead to air entrapment, inconsistent resin coverage, moisture ingress, and other issues that compromise the capacitor’s functionality and lifespan. Therefore, achieving a high-quality potting process is vital to ensure the capacitors operate efficiently and reliably.

Top 5 Challenges in Capacitor Potting:

Air Entrapment and Voids:
Air bubbles and voids can form during potting, leading to weak points and reduced performance.

Inconsistent Resin Coverage:
Ensuring uniform resin coverage can be challenging, potentially leaving areas exposed and vulnerable.

Thermal Management:
Inefficient thermal management can cause hotspots, resulting in thermal stress and potential failure.

Moisture and Contamination:
Trapped moisture and contaminants can lead to corrosion and electrical failures.

Mechanical Stress:
Mechanical stresses during curing can cause cracks and structural issues.

How Twin's Vacuum Potting Solves These Issues:

Twin’s Vacuum potting has proven to be an effective solution to these challenges. Here’s how:

Eliminates Air Entrapment: By creating a vacuum environment, air bubbles are removed, ensuring a void-free potting process.

Ensures Consistent Resin Coverage: The vacuum reduces the viscosity of the potting compound, leading to uniform coverage of all components.

Improves Thermal Management: Removing air pockets enhances thermal conductivity, facilitating better heat dissipation.

Prevents Moisture and Contamination: The vacuum environment ensures a clean, dry encapsulation process, improving long-term reliability.

Reduces Mechanical Stress: Even distribution of the potting compound under vacuum minimizes mechanical stress, resulting in a robust encapsulation.

Twin Engineers' Expertise in Vacuum Potting

At Twin Engineers, we have been instrumental in solving these potting challenges through vacuum potting technology. Our expertise ensures that each PQ Capacitor is potted with precision and care, meeting the highest standards of quality and performance.
Our team possesses the technical know-how to operationalize vacuum potting, helping clients at every step. We provide comprehensive support, from selecting the right materials to setting up the potting process, ensuring seamless integration into your manufacturing line.

Twin's experts are ready to solve your potting challenges

We are just an email away – write to us at mktg@twinengineers.com with the details of your potting process. Don’t forget to share pictures of the components, and expectations from your clients.