Description
GE 745-W3-P5-G1-HI-A
Technical Specifications
- Control Power Range: 90 to 300 VDC; 70 to 265 VAC at 48 to 62 Hz (High Control Power).
- Windings Per Phase: 3 Windings.
- Display: Enhanced LCD interface.
- Software: EnerVista 745 compatible.
Functional Features
- Features adaptive harmonic restraint and adaptive time overcurrent elements.
- Provides overexcitation blocking, overfrequency/underfrequency protection, and restricted ground fault protection.
- Eliminates the need for extraneous metering equipment with built-in comprehensive metering.
Application Scenarios
Utilized in complex power distribution networks and industrial substations managing three-winding power transformers.
Performance Parameters
- Operating Temperature: -40°C to +60°C.
- Overload Withstand: 1 second at 80x rated current.
Material Composition
Ruggedized industrial enclosure with high-reliability electronic components and protective conformal coating.
Structural Characteristics
Features an enhanced front-panel display, keypad, and multiple rear communication ports including RS232, RS485/RS422, and optional Ethernet.
Working Principle
Continuously monitors electrical parameters across three windings, executing automated protective trips or transmitting data via communication networks when anomalies are detected.
Installation Requirements
- Ensure proper CT and VT wiring for all three windings.
- Connect communication interfaces properly for SCADA integration.
Usage Precautions
- Ensure the control power voltage strictly matches the “HI” specification.
- Utilize the EnerVista 745 software for efficient configuration and trending.
