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What Is ZMTBB High Voltage Shunt Capacitor Compensating Switchgear?
El condensador de potencia en derivación de alta tensión ZHIMING es un condensador de potencia avanzado y confiable diseñado para aplicaciones industriales y de servicios públicos. Diseñado para funcionar de manera eficiente en sistemas de alimentación de CA de 50 Hz o 60 Hz, desempeña un papel crucial en las redes de condensadores de corrección del factor de potencia, ya que ayuda a mejorar la eficiencia energética, estabilizar los niveles de tensión y reducir las pérdidas generales del sistema. Al mejorar el factor de potencia y optimizar la gestión de la potencia reactiva, este condensador no solo aumenta la capacidad de la infraestructura eléctrica existente, sino que también prolonga la vida útil de los equipos conectados. Cumple con la norma internacional IEC 60871-1:2005 y es un producto de ahorro energético reconocido a nivel nacional, adecuado para una amplia gama de entornos de alta demanda.
Working Conditions of the ZMTBB High Voltage Shunt Capacitor Compensating Switchgear
- Altitud del lugar de instalación: no más de 1000 m.
- Mounting size shall have no severe vibration, no corrosive gas and steam, no conductive and explosivedust Ambient temperature.
- Uso en interiores: 5 ℃ ~ 40 ℃; uso en exteriores: 40 ℃ ~ 40 ℃.
Parámetros del producto
| Parámetro | Especificaciones |
|---|---|
| Rated Operating Voltage | 1.1 Un continuous |
| Overload Capability | 1.3 In |
| Capacitor Deviation | 0% to +10% |
| Protección contra sobretensiones | ZnO arrester, coordinated insulation |
| Series Reactor | Dry‑type or oil‑immersed, reactance rate per design |
| Discharge Coil | Reduces terminal voltage to safe level after disconnection |
| Protection Methods | Fuse + opening delta overvoltage / voltage differential / neutral unbalanced current / overcurrent / quick‑break / overvoltage / undervoltage |
| Switching Control | Group switching controller, automatic or manual |
Modelo e implicaciones
Main Technical Data of the ZMTBB High Voltage Shunt Capacitor Compensating Switchgear
Nota: Se suministran otros modelos con especificaciones especiales según los requisitos del usuario
Why Choose ZHIMING's ZMTBB High Voltage Shunt Capacitor Compensating Switchgear?
Multi-Layer Protection for Safe Operation
Each ZMTBB switchgear incorporates a comprehensive protection scheme: fuses at the capacitor unit level, ZnO arresters for overvoltage suppression, discharge coils for rapid de-energization after disconnection, and configurable relay protection — including opening delta overvoltage, voltage differential, neutral unbalanced current, overcurrent, quick-break, overvoltage, and undervoltage. This multi-layer approach isolates faults before they cascade, protecting both the capacitor bank and upstream equipment.
Four Structural Configurations for Any Site
The ZMTBB is available in frame type, split type, indoor panel type, and aggregate (oil-immersed) configurations. Frame and split types suit outdoor open-yard substations; indoor panel type integrates into existing switchgear lineups; aggregate type with oil-immersed capacitors provides additional environmental protection for harsh or humid locations. Each structure is engineered for its intended installation environment without compromising electrical performance.
Precision Capacitor Matching and Standards Compliance
Capacitor banks are assembled with individual units matched to within 10% capacitance deviation. The device complies with JB 7112-2000, DL/T 628-1997, and GB 50277-1995 standards, covering design, testing, and installation of shunt capacitor equipment. Series reactors — available as dry-type or oil-immersed — are precisely tuned to the required reactance rate, preventing harmonic resonance while enabling safe reactive compensation.
Intelligent Group Switching and Low Maintenance
The integrated group switching controller enables automatic or manual capacitor bank switching based on real-time power factor and voltage measurements. Step-by-step switching variants (TBBF prefix) provide finer reactive power adjustment for loads with fluctuating demand. The modular busbar-based assembly simplifies on-site installation, and the standardized capacitor unit design (BFM series) ensures easy spare parts availability and reduced long-term maintenance costs.
Preguntas frecuentes
What is the ZMTBB High Voltage Shunt Capacitor Compensating Switchgear used for?
The ZMTBB is designed for 6–10KV three-phase power systems to regulate grid voltage and improve power factor through automatic or manual switching of shunt capacitor banks. It is deployed in industrial substations, utility distribution networks, and facilities with large inductive motor loads that require reactive power compensation.
What protection methods does the ZMTBB switchgear provide?
The ZMTBB integrates a multi-layer protection scheme: fuses for individual capacitor units, ZnO arresters for overvoltage suppression, discharge coils for safe de-energization, and relay protection configurable as opening delta overvoltage, voltage differential, neutral unbalanced current, overcurrent, quick-break, overvoltage, or undervoltage — selectable based on the system’s neutral grounding scheme.
What structural configurations are available for the ZMTBB?
Four configurations are offered: frame type (open-frame for outdoor yards), split type (separated sections for transport flexibility), indoor panel type (integrates into indoor switchgear lineups), and aggregate type (oil-immersed capacitors for harsh or humid environments). The appropriate type is selected based on site layout, environmental conditions, and installation preferences.
What standards does the ZMTBB comply with?
The ZMTBB High Voltage Shunt Capacitor Compensating Switchgear is designed and tested in accordance with JB 7112-2000, DL/T 628-1997, and GB 50277-1995, covering the design requirements, technical ordering conditions, and installation codes for high-voltage shunt capacitor equipment.
Can the ZMTBB be configured for step-by-step switching?
Yes. The ZMTBB supports both normal (single-step) and step-by-step switching (designated by the “F” prefix in the model, e.g., TBBF). The integrated group switching controller allows automatic capacitor bank switching based on real-time power factor and voltage measurements, providing finer reactive power adjustment for loads with time-varying demand profiles.
