Introduction to ABB UNITROL 1005-0011 ECO 3BHE043576R0011
The ABB UNITROL 1005-0011 ECO (order number: 3BHE043576R0011) is a high-efficiency, compact automatic voltage regulator (AVR), hailed as the “voltage stability guardian” for medium-power synchronous generators and industrial motors. As a cost-effective yet high-performance model in ABB’s UNITROL 1000 series, it specializes in precise voltage regulation for indirectly excited synchronous machines up to 80 MVA, supporting multiple operational modes including voltage regulation, reactive power control, and power factor adjustment. This module finds wide application in gas turbines, steam turbines, emergency power systems, and industrial generator sets, ensuring stable power output amid load fluctuations. Its eco-friendly design achieves a 97% efficiency rating, significantly reducing operational energy consumption, while the robust industrial enclosure with IP20 protection enables reliable operation in harsh environments with temperature ranges from -25°C to +60°C.
3BHE043576R0011 Key Technical Specifications
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Device Type: High-efficiency automatic voltage regulator (AVR) for synchronous machines
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Application Scope: Synchronous generators/motors up to 80 MVA; indirectly excited systems
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Core Functions: Voltage regulation, reactive power control, power factor regulation, field current control
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Regulation Performance: Voltage regulation accuracy ±1% (nominal); response time ≤ 10ms
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Input Voltage Range: AC 16-250V (25-600Hz); DC 18-300V; minimum start voltage 6V AC/16V DC
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Output Parameters: Continuous excitation current 5A; ceiling current 10A @ 70°C ambient temperature
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Power Supply: AC 90-264V; power rating 500VA; efficiency 97%
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Communication Interface: RS-485 with Modbus protocol; supports remote monitoring and control
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Operating Environment: Temperature -25°C to +60°C; humidity 5-95% (non-condensing)
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Physical Specifications: 120mm × 100mm × 80mm; weight ~2.5kg; panel-mounted
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Protection Features: Overcurrent, overvoltage, undervoltage protection; overtemperature alarm
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Certifications: CE, UL compliant; RoHS certified; meets industrial grid code standards
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