BY71 0.48-15-3 Series Cylindrical Capacitor Cylindrical Frosted AC Power Capacitor With Power Factor Correction 3 Phase Capacitor

Model meaning

Product Specification of BY71 0.48-15-3  Cylindrical Capacitor

Introduction of BY71 0.48-15-3  Series Cylindrical Capacitor 

Working Principle of BY71 0.48 - 15 - 3 Series Cylindrical Capacitor

The BY71 0.48-15-3 series cylindrical capacitors use advanced electromagnetic principles to optimize power quality by solving reactive power imbalance, harmonic distortion and three-phase imbalance. As a cylindrical capacitor, its compact geometry maximizes energy storage capacity while minimizing space requirements, making it an ideal choice for low voltage applications (0.48kV) where efficiency and scalability are critical. The frosted housing enhances heat dissipation, ensuring stable performance even in environments with fluctuating temperatures. The core operating principle of this capacitor is to provide reactive power compensation to inductive loads (e.g. motors, transformers), thereby reducing energy losses and improving power factor. By injecting leading reactive current, it can offset the lagging current of inductive equipment, thereby minimizing kilovolt-ampere (kVAR) demand and reducing electricity costs. This process stabilizes voltage levels and extends equipment life, making it a cornerstone of power quality (power quality) improvements in industrial and commercial environments.

The core of the BY71 series lies in its harmonic control function, which is achieved through passive LC filtering. When integrated with the reactor, the capacitor can form a resonant circuit for specific harmonic frequencies (such as 5th, 7th), thereby diverting harmonic currents from the main grid. This can reduce the harmonic distortion caused by non-linear loads such as inverters and protect sensitive equipment from overheating and premature failure. For three-phase imbalance, the capacitor uses three-phase co-compensation (three-phase co-compensation) to balance the reactive power of all phases. By dynamically adjusting the compensation level based on real-time load monitoring, the capacitor ensures a balanced voltage distribution, thereby reducing thermal stress on transformers and motors. This dual function of simultaneously solving harmonic and phase imbalance problems makes the BY71 series a versatile solution for power grids with complex load curves.

Smart capacitor technology further enhances its performance. The BY71 series is equipped with a microprocessor-based controller that enables zero-voltage switching when inserted and zero-current switching when disconnected, eliminating inrush current and arc formation. Its RS485 communication interface supports remote monitoring and adaptive control, allowing users to configure compensation parameters and receive fault alerts in real time. In addition, the capacitor uses self-healing metallized film technology to automatically isolate damaged dielectric areas to maintain operational continuity. The intelligent full-control characteristics combined with a rugged and durable structure ensure reliable operation even in harsh environments. The low-voltage capacitor design makes it suitable for residential, commercial and light industrial applications. By seamlessly integrating reactive power compensation, harmonic filtering and dynamic phase balancing technologies, the BY71 series significantly improves energy efficiency and grid stability, consolidating its leading position in modern power quality solutions.

Key Features of BY71 0.48 - 15 - 3 Series Cylindrical Capacitor

1.Compact cylindrical design saves installation space
The BY71 0.48-15-3 series features a cylindrical structure, making it an ideal space-saving solution for a wide range of electrical equipment. This design not only ensures easy installation, but also seamlessly fits into the tight spaces within switchboards. As a cylindrical capacitor, it stands out for its optimal space utilization, making it ideal for both new installations and retrofit projects. The frosted exterior not only looks stylish, but also adds extra protection, making it suitable for a variety of environmental conditions. Whether in industrial or commercial environments, this cylindrical capacitor offers a practical and efficient design without compromising performance.

2.Effective power factor correction improves energy efficiency
This three-phase capacitor features advanced power factor correction, which significantly improves the power factor of the power system. By reducing reactive power and minimizing energy losses, it helps companies save on electricity costs while improving overall energy efficiency. Power factor correction is essential to maintaining a stable and efficient power supply, ensuring that electrical equipment operates at its best. This makes the BY71 series an indispensable component for industries seeking to optimize energy use and reduce their carbon footprint. As a key factor in improving power quality, this capacitor has tangible benefits in energy savings and system performance.

3.Excellent harmonic control to achieve clean energy
The BY71 0.48-15-3 series is designed to solve harmonic problems and plays a vital role in harmonic control. Harmonics can cause serious problems in power systems, including equipment damage and shortened service life. The capacitor effectively filters out harmful harmonics, ensuring a cleaner and more stable power supply. By reducing harmonic distortion, it protects sensitive electrical equipment and improves the overall reliability of the power system. This harmonic control feature makes the BY71 series an indispensable choice for industries that require clean electricity, such as data centers and manufacturing plants.

4.Three-phase common compensation to achieve balanced performance
The three-phase compensation function of this capacitor ensures that the electrical system operates with balanced performance on all phases. An unbalanced three-phase can lead to inefficiency and increased energy consumption. The BY71 series effectively solves this problem by providing uniform compensation for all three phases. This makes the power supply more stable, reduces the load on electrical equipment, and improves the overall performance of the system. Whether in a large industrial park or a commercial building, the three-phase compensation function ensures that the electrical system operates at peak efficiency, minimizing downtime and maintenance costs.

5.Efficient reactive power compensation to improve power quality
The BY71 series focuses on reactive power compensation, helping to improve power quality by reducing reactive power and increasing active power. This allows for more efficient use of electrical energy, as less power is wasted in the form of reactive power. The capacitors are able to effectively handle reactive power compensation, ensuring that the power supply remains stable and reliable even with varying loads. By improving power quality, it supports the smooth operation of critical electrical equipment, reduces the risk of interruptions and increases productivity. This reactive power compensation function is essential for businesses that rely on a stable power supply.

6.Low pressure capability for a variety of applications
The BY71 0.48-15-3 series has a low operating voltage, making it suitable for a wide range of low voltage capacitor applications. From residential buildings to small and medium-sized industries, this series of capacitors can be used in a variety of low voltage electrical systems. Its low voltage performance allows it to operate efficiently in environments where high voltage components are not necessary or practical. This versatility makes it a popular choice across different industries as it can be adjusted to the specific needs of a variety of low voltage applications. Whether it is used to improve the power factor in a residential environment or to improve the energy efficiency of a small factory, this low voltage capacitor provides reliable performance.

Product Dimensions of  BY71 0.48 - 15 - 3 Series Cylindrical Capacitor