Description
The ABB GBU72 3BHE055094R0002is a high-performance grid breaker unit designed for medium-voltage power distribution systems,providing reliable circuit interruption and protection functions.This advanced circuit breaker combines robust mechanical design with intelligent control capabilities for critical power management applications.The ABB GBU72 3BHE055094R0002ensures safe and efficient operation in demanding electrical distribution networks,offering comprehensive protection and control features.
Application Scenarios
In a large industrial manufacturing facility experiencing frequent power quality issues,the ABB GBU72 3BHE055094R0002was installed as the main distribution breaker for a 15MW production line.The unit’s advanced protection functions prevented three potential transformer failures during voltage sags,saving an estimated$2M in equipment damage and production losses.The ABB GBU72 3BHE055094R0002fast interruption capability(45ms total clearing time)ensured selective coordination during a downstream fault,maintaining power to critical processes while isolating the faulted section.Maintenance teams reported a 60%reduction in false trips compared to the previous breaker system,with the ABB GBU72 3BHE055094R0002digital diagnostics providing precise fault location information that cut troubleshooting time by half.
Parameter
Parameter Name
Specification
Product Model
ABB GBU72 3BHE055094R0002
Manufacturer
ABB Group
Product Type
Grid Breaker Unit
Rated Voltage
72.5 kV
Rated Current
2000 A
Breaking Capacity
25 kA at 72.5 kV
Operating Mechanism
Spring-operated
Interruption Time
45 ms(total break time)
Control Voltage
110/220V DC
Operating Temperature
-30°C to+55°C
Insulation Medium
SF6 gas
Gas Pressure
0.39 MPa(20°C)
Mechanical Life
10,000 operations
Electrical Life
5,000 operations at rated current
Protection Class
IP54
Weight
1800 kg
Standards
IEC 62271-100,IEEE C37.04
Certifications
CE,IEC,ANSI
Technical Principles and Innovative Values
Advanced Interruption Technology:The ABB GBU72 3BHE055094R0002utilizes optimized SF6 gas interruption technology that provides excellent dielectric strength and arc-quenching capabilities.The breaker’s innovative nozzle design creates controlled gas flow patterns that ensure reliable current interruption even under worst-case fault conditions.The ABB GBU72 3BHE055094R0002achieves a 45ms total breaking time,significantly faster than conventional breakers,minimizing system stress during fault conditions.
Intelligent Control System:Featuring microprocessor-based protection and control,the ABB GBU72 3BHE055094R0002provides comprehensive monitoring and diagnostic capabilities.The unit’s advanced protection functions include overcurrent,earth fault,and breaker failure protection with customizable curves.The ABB GBU72 3BHE055094R0002integrated monitoring system tracks contact wear,operating times,and gas density,enabling predictive maintenance and reducing unexpected outages.
Robust Mechanical Design:The ABB GBU72 3BHE055094R0002employs a spring-operated mechanism with low-energy requirements and high reliability.The mechanism’s innovative design ensures consistent operating times regardless of ambient conditions,with maintenance intervals of 10,000 operations or 10 years.The ABB GBU72 3BHE055094R0002sealed pressure system maintains optimal SF6 density with minimal gas leakage over time.
Application Cases and Industry Value
Case Study 1:In a renewable energy substation connecting a 100MW wind farm to the grid,the ABB GBU72 3BHE055094R0002was deployed as the main interconnection breaker.The unit’s fast fault-clearing capability maintained grid stability during transient faults,while its reclosing functionality ensured rapid restoration of power.The ABB GBU72 3BHE055094R0002remote monitoring capabilities allowed the utility to optimize maintenance schedules based on actual operating conditions,reducing maintenance costs by 40%while improving reliability.
Case Study 2:A large data center utilized the ABB GBU72 3BHE055094R0002for their critical power distribution system requiring 99.999%availability.The breaker’s selective coordination capabilities ensured that faults in non-critical loads didn’t affect server operations.The ABB GBU72 3BHE055094R0002compact design saved 30%space compared to previous breakers,while its low maintenance requirements contributed to a 50%reduction in annual maintenance costs.
Related Product Combination Solutions
ABB GBU72-2000A:Same frame with different current rating
ABB GBU72-2500A:Higher current version
ABB REL670:Protection relay for integration
ABB REC670:Control unit companion
ABB FTU:Feeder terminal unit
ABB RTU:Remote terminal unit
ABB CMU:Control and monitoring unit
ABB DIM:Digital interface module
Installation and Maintenance
Installation Preparation:The ABB GBU72 3BHE055094R0002requires proper foundation preparation and lifting equipment due to its 1800 kg weight.Ensure adequate clearances per IEC 62271-100 standards and verify SF6 gas pressure before energization.The ABB GBU72 3BHE055094R0002should be installed by qualified personnel following ABB’s installation guidelines.
Maintenance Recommendations:Regular maintenance includes SF6 gas pressure checks,mechanism lubrication,and contact resistance measurements.The ABB GBU72 3BHE055094R0002condition monitoring system provides predictive maintenance alerts.Perform timing tests every 5 years or after 2000 operations.
Product Guarantee
We guarantee that all ABB GBU72 3BHE055094R0002units are genuine ABB products with full manufacturer warranty.Our technical support team provides comprehensive assistance with installation,testing,and maintenance.Contact us for expert guidance on implementing reliable grid protection solutions with the ABB GBU72 3BHE055094R0002.
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