The Anti-harmonic Smart Capacitor is a new generation of reactive power compensation and harmonic suppression equipment designed for 0.4kV distribution networks. Unlike traditional discrete compensation systems, this module integrates the reactor, power capacitor, thyristor switch, circuit breaker, and a smart control unit into a single, compact device.
It is the ideal choice for industrial plant upgrades, modular cabinet designs, and energy-saving retrofits where space is limited and high reliability is required.
● : Integrated Modular Design
Replaces bulky discrete components; significantly reduces wiring, simplifies maintenance, and saves up to 40% cabinet space.
● : Professional Harmonic Suppression Standard 7% reactance rate
effectively suppresses 5th and higher-order harmonics, preventing resonance and protecting the capacitor’s lifespan.
● : Ultra-Fast Switching Equipped with high-performancethyristorsfor a switching time of ≤10ms
, ensuring real-time response to dynamic loads.
● :Smart Human-Machine Interaction
○ Real-time monitoring of phase current, reactor temperature, and capacitor temperature.
○ Records protection events and switching cycles for easy fault diagnosis.
Comprehensive Safety Protection
Built-in protection against over-current, over-temperature, phase loss, and short-circuit. The controller uses an anti-interference chip with self-test capabilities to prevent system crashes or malfunctions.
● :Remote Monitoring
Supports RS485 communication, allowing for centralized management and real-time status tracking via your plant’s SCADA system.
3.1 Basic Electrical Parameters
Parameter | Specification |
Rated Voltage | 0.4kV (AC 380V ± 20%) |
Rated Frequency | 50Hz ± 5% |
Rated Capacity | ≤ 50kvar |
Reactance Rate | 7% (optimized for 5th+ harmonics) |
Switching Type | Thyristor (Zero-crossing) |
Control Signal | 12VDC or RS485 Communication |
Cooling Method | Forced Air (Smart Fan Cooling) |
3.2 Operating Environment
Condition | Requirement |
Ambient Temperature | -25°C to +55°C (Working), up to +60°C (Limit) |
Altitude | ≤ 2000m |
Relative Humidity | 20% to 90% (at 40°C) |
Atmospheric Pressure | 79.5Kpa to 106Kpa |
3.3 Measurement Accuracy
Metric | Accuracy |
Voltage / Current | ± 0.5% |
Active / Reactive Power | ± 1.0% |
Power Factor | ± 1.0% |
Frequency | ± 0.1% |
External Dimensions
● : 492mm × 228mm × 493mm
Installation Holes
● : 325mm × 203mm
Wiring Principle
● : The capacitor connects directly to the A, B, C phases of the low-voltage bus. Multiple units can be linked via network cables (RS485) to a master controller for coordinated group compensation.
Safety First
1. : Built-in "Safety Expert" logic monitors internal temperatures 24/7.
Stability
2. : Industrial-grade anti-interference design ensures stable operation in harsh electrical environments.
Efficiency
3. : High-accuracy measurements and fast response maximize your power factor and reduce electricity costs.
For technical support or customized capacity requests, please contact our engineering team.
