ОПИСАНИЕ ПРОДУКТА
ASEA BROWN BOVERI REF545KB133AAAA - Feeder Protection and Control Relay
The ASEA BROWN BOVERI REF545 series constitutes a microprocessor-based feeder protection and control relay, engineered for comprehensive management of medium voltage distribution feeders. It integrates advanced protection, control, measurement, and supervision functionalities, enabling robust operation and automation within utility substations, industrial power systems, and distribution networks. This unit supports industry-standard communication protocols for seamless integration into modern substation automation architectures.
Technical Specifications:
- SERIES/FAMILY: REF545
- COMPONENT TYPE: Feeder Protection and Control Relay
- ELECTRICAL CHARACTERISTICS:
- AUXILIARY SUPPLY: Typically 24-250VDC or 100-240VAC (specific to configuration)
- NOMINAL FREQUENCY: 50/60 Hz
- MEASUREMENT INPUTS: Configurable for 1A/5A nominal secondary current transformer (CT) inputs and various voltage transformer (VT) ratios
- PHASE SYSTEM: Designed for three-phase system protection and control
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Modular, typically rack-mountable or flush panel-mounted unit
- MOUNTING: Flush panel mounting, 19-inch rack mounting
- INTERFACE/CONTROL:
- COMMUNICATION PROTOCOLS: IEC 61850, Modbus RTU, DNP3.0, SPA-bus (configuration dependent)
- BINARY INPUTS: Multiple configurable inputs for status monitoring and control commands
- BINARY OUTPUTS: Multiple configurable outputs for tripping, signaling, and control
- FEEDBACK: Event logs, disturbance records, measurement data, status indications
- ENVIRONMENTAL/MOUNTING:
- IP RATING: Typically IP20 (front panel), IP40 (casing)
- COOLING METHOD: Passive convection
- OPERATING TEMPERATURE: -25°C to +55°C (typical range)
- COMPATIBILITY/APPLICATION: Medium voltage switchgear, distribution automation systems, industrial power distribution, substation automation, renewable energy grid integration