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BKMJ Series Filter Capacitor

1.Uses metallized polypropylene film (MKP) as the dielectric. If a localized breakdown occurs, the surrounding metal layer evaporates instantly, restoring insulation and preventing failure.
2.Encapsulated in epoxy resin or plastic housing, eliminating oil leakage risks and complying with environmental standards.
3.rated voltage:440V, 480V, 525V, 690V.
4.Rated Capacity: 5-100kvar(per unit).
  • Fast Delievery
  • Quality Assurance
  • 24/7 Customer Service

Product Introduction

BKMJ Series Filter Capacitor - Professional Power Factor Correction Solution

Product Introduction

Looking for reliable power factor correction in your electrical system? Our BKMJ Series Filter Capacitor delivers exceptional performance for industrial applications. This advanced dry-type capacitor uses metallized polypropylene film technology to provide safe, efficient reactive power compensation. Unlike traditional oil-filled units, the BKMJ Series Filter Capacitor eliminates leakage risks while offering superior self-healing capabilities. You'll benefit from improved power quality, reduced electricity costs, and enhanced system reliability. With rated voltages from 440V to 690V and capacities ranging 5-100kVAr per unit, these capacitors meet diverse industrial requirements.

The self-healing mechanism instantly vaporizes damaged areas, maintaining continuous operation. Environmental-friendly resin encapsulation ensures compliance with modern safety standards. Your facility gains long-term performance without the maintenance headaches of older technologies.

Technical Specifications

Parameter Specification
Rated Voltage 440V, 480V, 525V, 690V AC
Rated Capacity 5-100kVAr (per unit)
Frequency 50/60Hz
Dielectric Material Metallized Polypropylene Film (MKP)
Encapsulation Epoxy resin/Plastic housing
Operating Temperature -25°C to +55°C
Loss Factor tan δ ≤ 0.001 at 50Hz
Tolerance -5% to +10%
Safety Feature Internal overpressure disconnector
Discharge Time <3 minutes to 75V
Standards IEC 60831-1/2, GB/T 12747

Main Features and Advantages

Self-Healing Technology

When breakdown occurs, the metallized film instantly evaporates around the fault area. This restores insulation automatically, preventing complete failure. You get uninterrupted operation and extended service life.

Environmental Safety

Dry-type construction eliminates oil leakage risks completely. The resin encapsulation meets environmental standards. You can install these units in any orientation without concerns.

Superior Durability

High-quality polypropylene film withstands electrical stress effectively. The robust design handles switching operations and harmonic distortion. Your investment delivers reliable performance for years.

Flexible Installation

Compact size fits various panel configurations easily. Multiple mounting options accommodate different space constraints. You achieve optimal layout flexibility in your electrical rooms.

Practical Applications

Power Factor Correction Panels

Manufacturing facilities use our BKMJ Series Filter Capacitor in automatic PFC systems. Heavy motors and transformers create inductive loads. These capacitors provide reactive power compensation, maintaining power factor above 0.95.

Harmonic Filtering Systems

Steel mills and cement plants face harmonic pollution from VFDs. When paired with detuned reactors, these capacitors create effective LC filters. They absorb specific harmonic orders while handling voltage amplification.

Renewable Energy Systems

Wind and solar installations benefit from voltage stabilization. The capacitors filter switching noise from inverters. They operate reliably in harsh outdoor temperature ranges.

Industrial Motor Control

Large pump stations and conveyor systems need reactive power support. The capacitors improve motor efficiency and reduce heat generation. Your equipment operates smoother with better voltage regulation.

How It Works

The metallized polypropylene film creates a dielectric between aluminum electrodes. When you apply AC voltage, the capacitor stores and releases reactive energy. This compensates for inductive loads in your system.

During operation, the self-healing mechanism monitors dielectric integrity continuously. If localized breakdown occurs, the metal layer vaporizes instantly. The surrounding area clears the fault and restores normal operation.

The internal overpressure disconnector provides ultimate safety protection. Rising gas pressure from multiple healing events triggers mechanical disconnection. This prevents case rupture and ensures personnel safety.

Manufacturing Excellence

Xi'an Xikai Medium And Low Voltage Electric Co., Ltd. brings decades of electrical equipment expertise. Our modern production facility maintains strict quality control throughout manufacturing. We use premium materials and advanced testing equipment.

Every BKMJ Series Filter Capacitor undergoes comprehensive testing before shipment. Voltage withstand tests verify insulation integrity. Capacitance measurements ensure precise values within tolerance. Thermal stability tests confirm seal reliability under operating conditions.

Our quality management system follows ISO9001 standards. Environmental and safety certifications demonstrate our commitment to responsible manufacturing. You receive products that meet international standards consistently.

Why Choose Us

Proven Track Record

We serve diverse industries with reliable electrical solutions. Our products operate in demanding environments worldwide. You benefit from our accumulated experience and proven designs.

Technical Support

Our engineering team provides application guidance and customization options. We help you select optimal ratings for specific requirements. Technical documentation and training support your installation teams.

Comprehensive Service

From initial consultation to after-sales support, we partner with you throughout the project lifecycle. Our service network ensures prompt response to technical inquiries.

Quality Assurance

Rigorous testing and inspection procedures guarantee product reliability. We stand behind our products with comprehensive warranties and technical support.

FAQ

Q: What is the expected service life of these capacitors?

A: Under rated conditions, our capacitors are designed for over 100,000 hours of operation. Proper application within voltage and temperature limits ensures maximum service life.

Q: Can these capacitors handle harmonic environments?

A: For high harmonic applications, select higher voltage ratings and use with detuned reactors. This configuration protects against harmonic amplification and overheating.

Q: What maintenance is required?

A: These are maintenance-free internally. Annual external inspections check for case expansion, terminal tightness, and heat dissipation. Replace any units showing case bulging immediately.

Q: How does dry-type construction benefit installations?

A: Elimination of oil leakage reduces environmental risks and maintenance requirements. Flexible mounting orientation and compact size simplify installation planning.

Q: What happens when the capacitor reaches end of life?

A: The internal overpressure disconnector activates when internal pressure rises. This safely disconnects the unit from the circuit, preventing catastrophic failure.

Contact Us

Ready to improve your power factor and system efficiency? Our technical team is here to help you select the right BKMJ Series Filter Capacitor for your application.

For technical specifications, pricing, and application support, contact us at: serina@xaxd-electric.com

We provide detailed engineering support to ensure optimal performance in your electrical system. Let our expertise work for your success.

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