Product Short Description
- Frequency Range: Operates at 25 Hz, 50 Hz, or 60 Hz.
- Input/Output:
- RTD Inputs: 12 programmable thermal resistance detectors for stator and bearing temperature monitoring.
- Digital Inputs: 9 total (2 predefined for breaker status, 7 configurable for remote reset or sequence tripping).
- Analog Inputs: 4 isolated 4–20 mA inputs for process parameter integration.
- Output Relays: 6 form-C relays (10 A/30–250 VAC/DC, 30 A for 0.2 seconds).
- Analog Output: 4 programmable 4–20 mA outputs.
Description
- Communication:
- Ports: 2 RS485 ports (Modbus RTU/DNP 3.0, up to 19200 bps), 1 front-panel RS232 port.
- Display: 40-character vacuum fluorescent screen with keyboard for local configuration.
- Environmental:
- Operating Temperature: -20°C to +70°C.
- Storage Temperature: -40°C to +85°C.
- Mechanical:
- Dimensions: 21.6 cm (L) × 22.4 cm (W) × 25.2 cm (H).
- Weight: Approximately 10 kg.
Functional Features
- Protection Functions:
- Thermal Overload: Monitors stator and bearing temperatures via RTDs with programmable alarms and tripping.
- Differential Protection: Detects internal faults using 7 CT inputs for phase/neutral/ground current analysis.
- Voltage/Frequency Monitoring: Tracks under/over-voltage, under/over-frequency, and power factor deviations.
- Event Logging: Records 150+ events (e.g., tripping, alarms) with timestamps for post-fault analysis.
- Control Capabilities:
- Remote Reset: Enables restarts via digital inputs or communication protocols.
- Sequence Tripping: Supports customizable logic for cascading protection actions.
- User Interface:
- Local Display: Real-time values, diagnostics, and setpoints via 40-character screen and keypad.
- Status Indicators: 22 front-panel LEDs for quick system health checks.
- Compliance: Meets SWC, C37.990 EMI/RFI standards for immunity to electrical noise.
Application Scenarios
- Power Generation: Protects generators in thermal, hydro, and renewable energy plants against faults and thermal stress.
- Oil and Gas: Ensures safe operation of compressor and pump drives in upstream/downstream processes.
- Metallurgy: Monitors rolling mill generators to prevent unplanned downtime during metal processing.
- Industrial Automation: Integrates with DCS/SCADA systems via Modbus/DNP 3.0 for centralized monitoring in factories.
- Marine Propulsion: Safeguards shipboard generators from voltage fluctuations and overloads in harsh environments.
Design Advantages
- Compact Form Factor: Space-saving design simplifies installation in control panels.
- High Reliability: Built with industrial-grade components for long-term stability in extreme conditions.
- Flexible Configuration: Field-programmable RTDs and digital inputs adapt to diverse generator types.
- Redundant Communication: Dual RS485 ports ensure uninterrupted data transmission to control centers.
Reviews
There are no reviews yet.