GTXGN-12 Solid Insulated Ring Main Unit
Ring Main Unit GTXGN-12 Solid Insulated Ring Main Unit The GTXGN-12 Solid Insulated Ring Main Unit (RMU) is an innovative, environmentally friendly, and fully sealed
TBBZ Series Medium Voltage Reactive Power Compensation Switchgear
TBBZ Medium-voltage reactive power compensation switchgear for 6kV–12kV systems, supporting power factor correction, voltage stabilization, harmonic protection, and remote monitoring.
TBBZ Series Medium Voltage Reactive Power Compensation Switchgear
The TBBZ series Medium-voltage reactive power automatic compensation switchgear adjusts reactive power automatically by monitoring the grid and load status on 6kV,10kV or 12kV busbars, ensuring stable power factor and efficient energy use.
Key Features:
Operates reliably under 1.1x rated voltage and 1.3x rated current.
Utilizes vacuum contactors for frequent switching operations.
Discharge coil reduces residual voltage to 50V within 5 seconds.
Overvoltage and fault protection via relay or microcomputer control.
Built-in fuses and surge arresters for overvoltage protection.
LCD controller displays real-time voltage, current, and power factor.
RS232/RS485 interfaces enable remote monitoring and control.
Why choose the TBBZ series medium voltage reactive power compensation switchgear?
This switchgear system is designed for environments up to 1000m altitude and -25°C to +55°C temperatures, ensuring safe operations without exposure to explosive or corrosive gases. It is ideal for voltage stabilization, harmonic suppression, and grid optimization, commonly used in industrial and utility substations.
Product Advantages
Compensation Performance: Precise and efficient reactive power compensation helps improve energy efficiency and reduce power loss.
Safety Design: Multiple protection mechanisms ensure stable operation and enhanced electrical safety.
Intelligent Operation and Maintenance: Supports remote monitoring and simplifies daily maintenance and system management.
Structure and Adaptability: Compact and versatile design with good harmonic compatibility for different application scenarios.
Operating Conditions
Altitude: Not higher than 1000 m above sea level.
Ambient Temperature: -25°C to +55°C.
Relative Humidity: Not exceeding 85%.
Installation Environment: The operating site shall be free from explosive media. The surrounding environment shall not contain corrosive gases, insulating-damaging gases, conductive media, excessive water vapor, or severe mold.
Application
The TBBZ series Medium-voltage reactive power compensation switchgear is mainly used in 6kV to 12kV substations, industrial and mining enterprises, and municipal distribution networks. It realizes automatic reactive power compensation, stabilizes voltage, reduces line losses, and improves power factor.
Model meaning
Technical Parameters
Overall and mounting dimensions(mm)（Reference）
Model meaning
| TBBZ Series Medium-Voltage Reactive Power Compensation Switchgear | T: | Complete set (Total reactive power compensation equipment) |
| BB: | Parallel capacitors (Core component of reactive power compensation) | |
| Z: | Automatic switching (Microcomputer control, group automatic compensation) |
Technical Parameters
| Item | Parameter |
|---|---|
| Rated Voltage | 6kV / 10kV / 12kV |
| Rated Frequency | 50Hz |
| Rated Capacity | 100–10000kvar (grouped configuration available) |
| Connection Method | Single star (Y), double star (YY) |
| Switching Method | Microcomputer automatic switching / manual switching |
| Switching Device | Vacuum contactor / vacuum circuit breaker |
| Power Factor Compensation Target | ≥0.90–0.99 adjustable |
| Control Mode | Comprehensive control based on reactive power / voltage / power factor |
| Protection Functions | Overvoltage, undervoltage, overcurrent, harmonic locking, open-delta unbalance protection |
| Series Reactor Rate | 0% / 1% / 6% / 12% (optional) |
| Discharge Time | Residual voltage ≤50V within 5s |
| Operating Ambient Temperature | -25°C to +45°C |
| Degree of Protection | Indoor IP2X / Outdoor IP33 |
| Cooling Method | Natural cooling |
| Installation Method | Indoor floor-mounted / outdoor frame-mounted |
Overall and mounting dimensions(mm)（Reference）
(The values can be customized according to local project requirements.)
If you have specific requirements for the parameters, structure, or configuration of the TBBZ series Medium‑voltage reactive power compensation switchgear, please contact us. Our team of account managers, technical engineers, and product consultants will evaluate your power distribution conditions, system voltage level, installation environment, load characteristics, and project schedule to deliver a tailored solution that meets your performance and efficiency goals.
We can customize the rated voltage (e.g., 6 kV, 10 kV, 12 kV), reactive power compensation capacity, control strategy (reactive power‑based, voltage‑based, or power factor‑based control), switching device type, compartment layout, enclosure protection grade, and other design details to ensure precise reactive power management, improved voltage quality, and reduced energy loss in your Medium‑voltage power network. By optimizing reactive power flow and stabilizing system voltage, this switchgear helps improve overall efficiency, extend equipment service life, and reduce operational costs in applications such as substations, industrial plants, and distribution networks.
FAQ
Related products
Check out these related products you might also be interested in.
Medium-voltage electrical components
Electrical components Medium-voltage electrical components Medium voltage electrical components are essential in power systems, designed to handle and transmit medium voltage efficiently. They ensure the
Low-voltage electrical components
Electrical components Low-voltage electrical components Low-voltage electrical components are essential devices used in circuits with voltages below 1200V (AC) or 1500V (DC). These include circuit
Electric Power Fittings
Zoliov provides electric power fittings, power line fittings, overhead line fittings, and pole line hardware for transmission lines, distribution lines, substations, and power grid projects.
Related articles
The application of electrical equipment in data centers
You need electrical equipment to help data centers work well. Good systems stop outages, which can cost a lot of money. Power problems are the
The application of electrical equipment in the charging infrastructure of electric vehicles
You will see many important types of electrical equipment in electric vehicle charging stations, which are a crucial part of the charging infrastructure. These include
The Key Role and Solutions of Electrical Equipment in New Energy Projects
Electrical equipment plays a key role in ensuring that new energy projects operate effectively. Electrical engineers and electricians are essential in maintaining the safety and
Efficient power distribution: A comprehensive selection from low-voltage distribution cabinets to high-voltage switchgear
You have an important job when you pick the Efficient switchgear for your building, especially considering the role of power distribution. The world market for
Get in Touch
Have questions or concerns about electrical power distribution products? Get answers quickly by emailing our engineers.
