X
  • No products in the list

Oil Filled Capacitor

Oil-filled capacitors are a type of capacitor that uses oil as a dielectric material. The oil provides excellent insulation and cooling properties, making these capacitors suitable for high-voltage and high-power applications. They are commonly used in power systems, motor control, and other industrial applications where reliability and performance are critical.

Get Oil Filled Capacitor with Good Prices

We offer high-quality Oil Filled Capacitors at competitive prices. Our capacitors are built to the highest standards, ensuring reliable performance and long life. Whether you need them for industrial applications, power systems, or other high-voltage projects, we have the right solution for you. Contact us today to learn more about our products and pricing.

castor oil capacitor

castor oil capacitor

Castor oil capacitors are a type of paper capacitor that uses paper impregnated with castor oil as the dielectric material. Castor oil provides excellent insulation properties, making these capacitors suitable for high-voltage applications. They are known for their reliability and long lifespan, often used in vintage audio equipment and power systems.

high voltage oil capacitor

high voltage oil capacitor

High voltage oil filled capacitors are designed to handle high voltages and large amounts of energy. They use mineral oil as a dielectric, which provides excellent insulation and cooling properties. These capacitors are commonly used in power systems, power factor correction, and other high-voltage applications. They are known for their reliability, long lifespan, and ability to withstand harsh environmental conditions.

oil burner capacitor

oil Burner capacitor

An oil burner capacitor is a crucial component in oil-fired heating systems. It provides the necessary power surge to start the motor that drives the oil burner’s fan and pump. This ensures a reliable ignition and efficient operation of the heating system. A faulty capacitor can lead to ignition problems, inconsistent heating, and potential system failure.

oil paper capacitor

oil filled paper capacitor

Oil-filled paper capacitors are a type of capacitor that uses paper impregnated with oil as the dielectric material. The oil improves the dielectric properties of the paper, enhancing the capacitor’s performance and reliability. These capacitors are often used in high-voltage and high-power applications, where they provide excellent insulation and heat dissipation.

Why Choose Our Oil Filled Capacitors

Superior Insulation and Heat Dissipation

Oil-filled capacitors excel in high-voltage and high-power applications due to their exceptional insulation properties. The oil dielectric effectively prevents electrical breakdown, ensuring reliable performance even under demanding conditions. Additionally, the oil’s excellent thermal conductivity helps dissipate heat generated within the capacitor, prolonging its lifespan and maintaining optimal performance.

Excellent Self-Healing Properties:

Oil-filled capacitors possess inherent self-healing capabilities. In the event of a minor dielectric breakdown, the oil can quickly quench the arc, preventing further damage to the capacitor. This self-healing property enhances the reliability and longevity of these components.

Long Lifespan and Reliability:

The robust construction and high-quality materials used in our oil-filled capacitors contribute to their extended lifespan. The oil dielectric provides excellent protection against moisture, dust, and other environmental factors, reducing the risk of degradation and failure. This reliability is crucial for critical applications where downtime can be costly.

Customizable Solutions:

We offer a wide range of customizable options to meet your specific needs. From capacitance values to voltage ratings and physical dimensions, we can tailor our oil-filled capacitors to your exact requirements. This flexibility ensures that you get the perfect solution for your application.

Oil Filled Capacitor FAQs

What is oil filled capacitor?

An oil-filled capacitor is a type of capacitor that uses oil as a dielectric material. The oil provides excellent insulation and cooling properties, making these capacitors suitable for high-voltage and high-power applications. They are commonly used in power systems, motor control, and other industrial applications where reliability and performance are critical.

Oil-filled capacitors are primarily used in high-voltage and high-power applications due to their superior insulation and heat dissipation properties. Here are some common applications:

  • Power systems: They are used in power factor correction, motor starting, and other power system components.
  • Motor control: Oil-filled capacitors are used in motor starting and control circuits to improve motor performance and efficiency.
  • Industrial equipment: They are employed in various industrial applications, such as welding machines, induction furnaces, and power supplies.
  • High-voltage DC transmission: Oil-filled capacitors are used in DC transmission systems to filter out unwanted harmonics and improve power quality.

In essence, oil-filled capacitors are essential components in many high-voltage and high-power applications where reliability and performance are critical.

Here’s a breakdown of the differences between oil-filled and dry capacitors:

Oil-Filled Capacitors:

  • Dielectric: Oil
  • Advantages:
    • Excellent insulation properties, reducing the risk of electrical breakdown.
    • Superior heat dissipation, preventing overheating and extending lifespan.
    • Self-healing properties, allowing for recovery from minor dielectric failures.
  • Disadvantages:
    • Larger size and weight compared to dry capacitors.
    • Potential for oil leakage and environmental concerns.
  • Applications: High-voltage and high-power applications like power systems, motor control, and industrial equipment.

Dry Capacitors:

  • Dielectric: Solid material (e.g., paper, film, ceramic)
  • Advantages:
    • Smaller size and lighter weight.
    • No risk of oil leakage.
    • More environmentally friendly.
  • Disadvantages:
    • Lower heat dissipation capacity compared to oil-filled capacitors.
    • May have lower voltage and power ratings.
  • Applications: A wide range of applications, including electronics, automotive, and consumer products.

In summary:

  • Oil-filled capacitors are best suited for high-voltage, high-power applications where reliability and heat dissipation are critical.
  • Dry capacitors are more versatile and suitable for a wider range of applications, especially where size and weight are concerns.

The choice between oil-filled and dry capacitors depends on the specific requirements of the application.

Castor oil is used in capacitors due to its excellent dielectric properties. It has a high dielectric constant and breakdown voltage, making it an effective insulator. Additionally, castor oil has good thermal conductivity, which helps dissipate heat generated within the capacitor, improving its performance and lifespan.

Another advantage of castor oil is its self-healing properties. If a small dielectric breakdown occurs, the oil can quickly fill the gap and restore the capacitor’s insulation. This helps to extend the life of the capacitor and prevent further damage.

However, it’s important to note that while castor oil has many advantages, it can also have some drawbacks, such as its tendency to decompose over time, which can affect the capacitor’s performance.

Yes, some capacitors are liquid-filled.

One common type is the oil-filled capacitor. As the name suggests, these capacitors use a dielectric fluid, often mineral oil, to improve their performance and reliability. The oil serves several purposes:

  • Enhanced Insulation: The oil provides excellent insulation, helping to prevent electrical breakdown, especially in high-voltage applications.
  • Effective Heat Dissipation: The oil can efficiently transfer heat away from the capacitor’s internal components, reducing the risk of overheating and extending the capacitor’s lifespan.
  • Self-Healing Properties: If a small dielectric breakdown occurs, the oil can quickly fill the gap and restore the capacitor’s insulating properties.

Oil-filled capacitors are commonly used in power systems, motor control, and other industrial applications where reliability and performance are critical.

The type of fluid inside a capacitor depends on the specific type of capacitor.

For electrolytic capacitors:

  • Liquid electrolyte: This is a common type, especially in older capacitors. The electrolyte is often a solution of an acid or a base, which helps to form and maintain the oxide layer on the anode.
  • Solid electrolyte: Newer electrolytic capacitors use a solid electrolyte, which is typically a polymer or a gel. This type of capacitor offers improved performance and reliability compared to liquid electrolyte capacitors.

For oil-filled capacitors:

  • Mineral oil: This type of capacitor uses mineral oil as a dielectric. The oil provides excellent insulation and heat dissipation, making it suitable for high-voltage and high-power applications.

It’s important to note that the specific fluid used in a capacitor can vary depending on the manufacturer and the intended application.

While both paper and oil-filled capacitors share similarities in their construction and function, they have distinct characteristics:

Paper Capacitors:

  • Dielectric: Paper impregnated with oil or wax
  • Tone: Known for their warm, smooth, and vintage tone
  • Reliability: Can be less reliable over time, especially if exposed to moisture or extreme temperatures
  • Applications: Primarily used in audio applications, such as guitar amplifiers and vintage audio equipment

Oil-Filled Capacitors:

  • Dielectric: Oil (usually mineral oil)
  • Tone: Generally more neutral and less colored than paper-in-oil capacitors
  • Reliability: More reliable and stable over time compared to paper-in-oil capacitors
  • Applications: High-voltage and high-power applications like power systems, motor control, and industrial equipment

Key Differences:

FeaturePaper CapacitorOil-Filled Capacitor
DielectricPaper impregnated with oil/waxOil
ToneWarm, vintageMore neutral
ReliabilityLess reliableMore reliable
ApplicationsPrimarily audioHigh-voltage, high-power

In essence, while both types of capacitors use a dielectric material to store electrical energy, oil-filled capacitors offer superior insulation and heat dissipation properties, making them suitable for demanding applications. Paper capacitors, on the other hand, are often preferred for their unique tonal qualities in audio circuits.

Weishi Innovation Logo

Contact Us

Our sales representatives will respond promptly and assist you.