Digital guide
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Woodward XD1G55
- Product Name: XD1-G Generator Differential Protection Relay
- Product Introduction: The XD1G55 is a microprocessor-based differential protection relay designed specifically for electric generators and motors. It provides fast and selective protection against internal faults, including stator winding faults, phase-to-phase faults, and ground faults, while remaining stable during external faults and transient conditions.
Detailed content
- Technical Specifications:
- Power Supply: 35-275 VAC / 19-390 VDC
- Frequency Range: 50-60 Hz
- Rated Current Input: 5 A
- Number of Current Inputs: 6 (3 generator side, 3 neutral side)
- Operating Temperature: -40°C to +85°C
- Storage Temperature: -55°C to +125°C
- Dimensions: 230 mm x 80 mm x 110 mm
- Weight: 1.4 kg
- Mounting: DIN rail mount
- Protection Rating: IP40
- Functional Features:
- Advanced differential protection algorithm with CT saturation detection
- High-speed fault clearing (less than 1 cycle) to minimize equipment damage
- Percentage differential characteristic with adjustable slope
- Restrained earth fault protection
- Overcurrent and overvoltage protection
- Comprehensive event logging and fault recording
- LED status indicators for power, trip, and alarm conditions
- Modular design allows for future expansion with additional cards
- Application Scenarios:
- Protection of synchronous generators in power plants
- Protection of induction motors in industrial facilities
- Standby generator protection for commercial buildings
- Marine generator protection
- Oil and gas platform generator protection
- Hydroelectric generator protection
