APP Double Layer Capacitors

We provide high-performance APP Double Layer Capacitors based in Pune, Maharashtra, India. These Capacitors represent an advanced iteration of the non-self-healing design, utilizing a double layer of APP (All Polypropylene) film as the primary dielectric, interleaved with conductive Aluminum Foils as electrodes. The inclusion of a double layer of the highly effective Polypropylene Film significantly enhances the voltage withstand capability and overall reliability of the Capacitor compared to single-layer designs. This construction minimizes the probability of a through-hole puncture, offering a substantial safety margin and a more predictable operational lifespan. APP Double Layer Capacitors are particularly engineered for demanding industrial environments and high-voltage PFC (Power Factor Correction) applications where system stability and robustness are non-negotiable requirements.

The APP (All Polypropylene) film is chosen for its inherently low dissipation factor, resulting in minimal internal power losses and a cooler running temperature for the Capacitor. This characteristic directly contributes to increased efficiency and a longer operational life, reducing the need for frequent replacement of Units and Spare Parts. Each element is meticulously wound and then subjected to a rigorous impregnation process using a specialized, non-toxic, non-PCB insulating fluid. This fluid permeates the entire volume, displacing air and moisture, which boosts the dielectric strength and ensures superior heat transfer from the core to the robust, hermetically sealed metallic Enclosure. The Enclosures are typically fabricated from high-grade materials such as SS (Stainless Steel) or CRCA (Cold Rolled Close Annealed) Steel to provide exceptional protection against mechanical damage and environmental corrosion.

Our APP Double Layer Capacitors are the preferred choice for HT (High Tension) and high KVAR (Kilo Volt Ampere Reactive) applications, including large Capacitor Banks and Harmonic Filter Systems. The double layer film provides an extra barrier, ensuring that even under severe operating conditions, such as continuous over-voltages or high harmonic distortion, the risk of catastrophic failure is significantly reduced. They are frequently used in conjunction with Series Reactors in Detuned Capacitor Banks to effectively suppress harmonics while providing PFC (Power Factor Correction). We strictly manufacture these Capacitors in adherence to the latest international standards, including IEC (International Electrotechnical Commission) and IS (Indian Standards), with comprehensive type and routine tests to certify quality and performance. Our range is complete with all necessary Accessories and Components, such as low-inductance Terminals and internal discharge Resistors, ensuring safe and efficient integration into electrical systems.

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