ABB GRID BREAKER UNIT GBU72 3BHE055094R0002
ABB GRID BREAKER UNIT GBU72 is a key device in the power grid system. It is an intelligent grid - connected breaker unit that integrates advanced power electronics technology and intelligent control algorithms.
It can monitor electrical parameters such as current and voltage in the power grid in real - time, and quickly respond to various operating conditions of the power grid. When a fault occurs,
it can quickly cut off the circuit to ensure the safe and stable operation of the power grid.
Each model (3BHE055094R0002, 3BHE031197R0001, 3BHB030310R0001) may have specific functional focuses or structural differences, but they all serve the overall goal of power grid protection and control.
Rated Voltage: 72.5 kV
Rated Current: Up to 3150 A
Insulation Level: 170 kV
Frequency: 50/60 Hz
Breaking Capacity: 25 kA
Control Voltage: 220 V AC
Weight: Approximately 600 kg
Rated Voltage:72.5 kVRated Current. Up to 3150 A。Insulation Level:170 kVFrequency:50/60 HZ
Breaking Capacity:25 kAControl Voltage:220 VACWeight: Approximately 600 kg
- Rated Voltage: It is adaptable to different grid voltage levels, and the specific value needs to refer to the product manual.
- Rated Current: Different models have different current specifications, which can meet the requirements of different power - carrying capacities, ranging from low - current to high - current types.
- Breaking Capacity: It has a strong breaking capacity, which can deal with fault currents in the power grid, and the specific breaking current value varies according to different models.
- Response Time: The response time is in the millisecond level, which can quickly cut off the fault circuit in a very short time, effectively reducing the damage of the fault to the power grid equipment.
- Control Voltage: It is compatible with a variety of control power supply voltages, such as common DC 24V, AC 110V, AC 220V, etc., which is convenient for system integration.
- Dimensions: The dimensions of different models are designed according to installation environment and capacity requirements. Generally, there are specific length, width and height dimensions, such as a certain number of millimeters in length, width and height, which are convenient for installation in different switchgear or equipment.
- Protection Level: It usually reaches a high - level protection standard, such as IP54 or above, which can effectively prevent dust, water vapor and other substances from entering the equipment, ensuring stable operation in harsh environments.
- Installation Method: It supports a variety of installation methods, such as fixed - type and draw - out type, which can be selected according to actual needs to meet different installation scenarios and maintenance requirements.
- High - precision Monitoring: It is equipped with advanced sensors and monitoring technology, which can accurately measure various electrical parameters in the power grid, such as current, voltage, frequency, power factor, etc., providing accurate data support for the stable operation of the system.
- Intelligent Control: It is equipped with a high - performance micro - processor and intelligent control algorithm. According to the real - time operation status of the power grid, it can automatically adjust the action of the breaker, realize intelligent power grid protection and control, and can adapt to different power grid operation conditions.
- High Reliability: It uses high - quality electronic components and materials, and goes through strict quality inspection and reliability testing. It has good stability and can operate stably for a long time in harsh industrial environments, with a long service life.
- Fast Response: Due to the adoption of advanced circuit design and control technology, it has a very fast response speed. When a fault occurs in the power grid, it can quickly detect and cut off the circuit, reducing the impact range of the fault.
- Communication Function: It supports a variety of communication protocols, such as Modbus, Profibus, etc. It can interact data with the upper - computer or other intelligent devices, and realize remote monitoring and intelligent management, which is convenient for users to centrally manage the power grid system.
- Fault Protection: When faults such as short - circuit, overload, over - voltage and under - voltage occur in the power grid, it can quickly cut off the circuit to protect power grid equipment and lines from damage, and avoid large - scale power outages and equipment damage caused by faults.
- Load Control: According to the load situation of the power grid, it can automatically adjust the on - off state of the breaker, reasonably distribute and control the power grid load, improve the power utilization efficiency of the power grid, and ensure the stable operation of the power grid under different load conditions.
- System Isolation: When the power grid is under maintenance or inspection, it can isolate the fault area or the area to be maintained from the normal - operation power grid, ensure the safety of maintenance personnel, and facilitate the smooth progress of maintenance work without affecting the normal operation of other parts of the power grid as much as possible.
Application Fields
- Power System: It is widely used in power generation plants, substations, transmission lines and other power facilities. It is an important device to ensure the safe and stable operation of the power system, and can be used for the protection and control of generators, transformers, transmission lines, etc.
- Industrial Field: In the power distribution systems of industrial enterprises such as metallurgy, chemical industry, petroleum, and coal, it is used to protect and control the power supply of various industrial equipment, ensuring the normal operation of production lines and reducing production interruptions caused by power - related faults.
- Building Field: In the power distribution systems of large - scale commercial buildings, residential communities, hospitals, schools and other buildings, it ensures the safe and reliable power supply inside the building, and provides a stable power environment for lighting, air - conditioning, elevators and other electrical equipment.
Transportation Field: In the power distribution systems of transportation hubs such as railways, subways, and airports, it provides power protection for transportation facilities, ensures the normal operation of equipment such as lighting, escalators, and signal systems in the transportation hub, and is of great significance to the safe operation of transportation.
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