HV Automatic Switching Reactive Power Compensation System
HV Automatic Reactive Power Compensation Device: This device is a high-performance system specifically designed for 6kV and 10kV high-voltage power grids to optimize power factor and enhance power quality. Utilizing integrated control technology for both voltage and reactive power, the equipment employs an intelligent control strategy that combines cyclic switching with encoded switching, thereby consistently raising the system power factor (measured at the PCC assessment point) to above 0.95. The device features a fully automatic continuous operation mode, incorporates a comprehensive built-in microprocessor-based protection system, and includes an integrated audible and visual alarm system; it is capable of maintaining stable, long-term operation in harsh industrial environments ranging from -25°C to +55°C. As a core auxiliary component for modern substations, large-scale industrial enterprises, and new energy distribution networks, this device effectively minimizes line losses and significantly boosts the overall operational efficiency of the power supply system.
Description
Technical Advantages
1.Intelligent Dual-Criterion Integrated Control:
Employing advanced principles of integrated voltage and reactive power control, the system seamlessly integrates a “Cyclic Encoding + Automatic Switching” mechanism. Based on fluctuations in grid load, the system automatically and precisely adjusts the connection and disconnection of capacitor banks, effectively preventing switching oscillations and significantly extending the mechanical lifespan of both capacitors and contactors.
2.Efficient Power Factor Enhancement:
Designed specifically for high-voltage commercial, industrial, and municipal power grids, the system offers ultra-high-precision reactive power compensation capabilities. It ensures that the assessed power factor at the Point of Common Coupling (PCC) remains stable within the highly efficient range of ≥ 0.95, thereby enabling enterprises to completely eliminate electricity-related penalties and reduce energy consumption costs.
3.Microprocessor-Level Integrated Protection:
The system features a built-in, high-precision, continuous-monitoring protection unit equipped with dozens of intelligent safety functions—including protection against overvoltage, undervoltage, voltage loss, voltage imbalance, overcurrent, overheating, and instantaneous faults. In the event of any grid anomaly, the system instantly initiates a fully automatic lockout sequence and triggers both audible and visual alarms.
4.Industrial-Grade Resilience for Harsh Environments:
The entire unit utilizes a high-quality, oil-immersed, self-cooling design, resulting in exceptionally low operational and maintenance costs. The system is capable of continuous, fully automated operation across a wide temperature range of -25°C to +55°C and in ambient humidity levels reaching up to 90%. It is perfectly adapted for deployment in harsh outdoor or industrial environments characterized by high altitudes or high salt-mist concentrations.
| Item | Parameter |
| Executive Standard | GB3983.2-89 GB7111-93 GB/T8980-1999 |
| Ambient Temperature | -25℃ ~ +55℃, relative humidity ≤90% (25℃) |
| Altitude | 2000m and below (plateau type for ≥2000m) |
| System Rated Voltage | 6kV, 10kV |
| Switching Principle | Integrated voltage & reactive power control (coding + cyclic switching mode) |
| Power Factor | PCC assessment point ≥0.95 |
| Comprehensive Protection | Overvoltage, undervoltage, voltage loss, unbalanced voltage, overcurrent, overheating, instantaneous trip protection |
| Alarm Output | Sound and light alarm |
| Display Parameter | Oil-immersed self-cooling |
| Operation Mode | Fully automatic, continuous operation |
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