Description
Woodward 3161LIO
Technical Specifications
- Product Line: Woodward 3161 Series.
- Function: Load Sensing, Indication, and I/O.
- System Compatibility: Woodward Digital Governing Systems.
Functional Features
- Accurate Load Sensing: Interfaces with current transformers (CTs) and potential transformers (PTs) to calculate real and reactive load.
- Visual Indication: Provides local analog or digital indication of generator load percentage.
- Load Sharing Signal: Outputs a proportional signal to the load sharing controller for parallel generator operation.
Application Scenarios
Essential in multi-generator parallel switchboards, marine power distribution panels, and industrial microgrids.
Performance Parameters
- Measurement Accuracy: High-precision load calculation for stable droop or isochronous load sharing.
- Signal Output: Standard analog output proportional to measured load.
Material Composition
Precision electronic components housed in a shielded enclosure to prevent electromagnetic interference from high-current busbars.
Structural Characteristics
- Panel Mount: Designed for flush or surface mounting on control panels.
- Terminals: Dedicated inputs for CTs/PTs and outputs for control systems.
Working Principle
Samples the AC voltage and current from the generator, calculates the power factor and real power, and generates a proportional DC signal or digital message representing the load.
Installation Requirements
- CT/PT Wiring: Ensure correct polarity and phasing of current and potential transformer connections.
- Calibration: Perform a primary or secondary injection test to calibrate the load indication.
Usage Precautions
- High Voltage: Exercise extreme caution when wiring CT and PT circuits; ensure circuits are de-energized during installation.
- Burden Rating: Verify that the connected CTs do not exceed the module’s input burden rating.
