Introduction to 10kV TBB High Voltage Automatic Reactive Power Compensation Device
With the rapid development of modern power grids, the requirements for power quality and energy efficiency are getting higher and higher. The 10kV TBB High Voltage Automatic Reactive Power Compensation Device developed by Sefon Electrical is a professional equipment designed to solve the problems of low power factor, harmonic interference and energy waste in power distribution systems.
Core Technical Advantages
- Advanced Control System: Adopts intelligent PLC control technology, which can automatically detect and adjust reactive power in real time, with fast response speed and high control accuracy.
- High-Quality Components: Uses imported high-voltage capacitors and reactors, with stable performance and long service life.
- Harmonic Filtering Function: Integrates harmonic filtering design, which can effectively suppress harmonic interference in the power grid and improve the quality of power supply.
- Intelligent Protection: Equipped with multiple protection functions such as overvoltage, undervoltage, overcurrent and overtemperature, which can ensure the safe and reliable operation of the equipment.
Application Scenarios
This equipment is widely used in:
- 35kV/10kV power distribution substations
- Industrial and mining enterprises with large power loads
- Urban rail transit and intelligent building power systems
- Wind power and solar photovoltaic power generation projects
- Oil and gas field power supply systems

Technical Parameters
| Item | Specification |
|---|---|
| Rated Voltage | 10kV |
| Rated Frequency | 50Hz/60Hz |
| Compensation Capacity | 50-3000kvar |
| Response Time | ≤20ms |
| Protection Level | IP20 |
| Ambient Temperature | -25℃ ~ +45℃ |
Maintenance and Operation Guide
- Regular Inspection: Check the appearance of the equipment, wiring terminals and cooling system regularly, and clean up dust and dirt in time.
- Parameter Calibration: Calibrate the control system and sensor parameters every 6 months to ensure the accuracy of reactive power compensation.
- Filter Replacement: Replace the filter components regularly according to the usage time and working conditions.
- Fault Handling: In case of equipment failure, please cut off the power supply in time and contact our after-sales service team for maintenance.
Project Case
In a 35kV power distribution substation in East China, we installed 8 sets of 10kV TBB High Voltage Automatic Reactive Power Compensation Devices. After putting into use, the power factor of the substation increased from 0.78 to 0.98, and the energy consumption was reduced by more than 12%, which won high praise from customers.
Conclusion
The 10kV TBB High Voltage Automatic Reactive Power Compensation Device is an ideal equipment for improving power quality and reducing energy consumption. With advanced technology, reliable performance and perfect after-sales service, Sefon Electrical is committed to providing professional power quality solutions for global customers.
