YJ-BSIC-C/D Anti-Harmonic Intelligent Integrated Power Capacitor

Precision-engineered Components
Advanced Zero-Crossing Switching Technology
Complies with GB/T29312 Low-Voltage Reactive Power 

Compensation Switching Devices
Thyristor: Features a voltage withstand capability of ≥1800V, integrated with complete overvoltage protection circuits, voltage surge suppression circuits (VT), and inrush current suppression circuits (dv/dt) to protect the thyristor from damage. A dedicated 
A high-frequency pulse transformer with primary-secondary isolation is adopted for forced triggering of the thyristor, enabling rapid and deep conduction with high-power triggering.

Latching Relay: The high-power latching relay has a rated current of ≥100A and an inter-contact voltage withstand capability of ≥3000V;

Zero-Pressure Differential Closing: Achieves inrush-free switching-on and arc-free zero-current breaking. The mechanical and electrical service life of the switch reaches 1.2 million cycles (for on-load switching).

Integration: Integrates capacitors, reactors (if required), switching devices, protection functions, monitoring functions, communication modules, and controllers into a single module.

Intelligence: Automatically executes and completes functions such as monitoring, control, execution, protection, and communication; adapts independently according to the power quality of the distribution network and realizes automatic networking.

Equipped with complete protection functions against overvoltage, undervoltage, overcurrent, imbalance, harmonics, temperature, etc.

The power capacitor features a low-designed electric field strength, ensuring a long service life, stability, and reliability.

Adopts zero-crossing voltage switching-on and zero-crossing current switching-off, achieving true inrush current-free switching.

Equipped with advanced ventilation and heat dissipation technology, it boasts high tolerance to ambient temperature. The anti-harmonic type is equipped with a pulsating negative pressure heat dissipation system, utilizing negative pressure air convection cooling; meanwhile, the reactor and power capacitor are spatially isolated, preventing the reactor’s heat radiation from affecting the capacitor.

Adopts advanced explosion-proof technology, with safety performance reaching international advanced standards, capable of preventing the escalation of accidents.

Reactive Power Compensation Type: Divided into micro intelligent type, standard intelligent type, and high-performance intelligent type based on different switching types.

Anti-Harmonic Type: Matched with series reactors and different switching switches, divided into micro intelligent type, standard intelligent type, and high-performance intelligent anti-harmonic integrated power capacitor.

Measurement Function
Measures and displays grid voltage, current, active power, reactive power, and power factor, also capable of detecting current transformer (CT) polarity, etc.

Protection Function
Possesses protection functions against overvoltage, undervoltage, overcurrent, phase loss, harmonics, overtemperature, and other abnormal operating conditions.

Human-Machine Interface, HMI
Displays capacitor operating status and power grid parameters;
Supports setting of parameters, including capacitor capacity, address coding, switching threshold, switching delay, and transformer ratio;
Monitors distribution network parameters, capacitor temperature, and compensation
Recruit current in real time, with data transmissible via RS485 interface.

Harmonic Suppression Function
The anti-harmonic-type intelligent capacitor is capable of effectively suppressing harmonic amplification, enabling the reactive power compensation device to maintain stable and reliable operation in a harmonic environment.