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Woodward MCDGV4-2A0AA
Product Name: Woodward MCDGV4-2A0AA HighPROTEC Generator Differential Protection Relay
Product Introduction: High-precision all-in-one generator protection relay from Woodward HighPROTEC family, standard A0AA hardware configuration; integrates phase/earth differential protection, electrical parameter measurement and comprehensive generator protection functions for medium-high power generators.
Technical Specifications:
- Power Supply: 24V DC
Detailed content
- CT Secondary Rating: 5A selectable 1A
- Voltage Input: Up to 800Vac three-phase true RMS measurement
- Operating Temperature: -20°C to +70°C
- Mounting: Front panel door mounting
- Digital I/O: 8 digital inputs, 7 relay outputs, no analog I/O
- Communication: No built-in communication interface (A protocol version)
- Measurement Accuracy: Class 0.5 voltage/current, Class 1 power measurement
- Certification: CE, UL, IEC 61850 compliant
Functional Features:
- Complete ANSI standard protection: 87G generator differential, 87N earth differential, 50/51 overcurrent, 27/59 under/overvoltage, 40 loss of excitation, 78 out-of-step
- True RMS measurement unaffected by harmonics
- Built-in fault simulator and parameter plausibility check for commissioning
- Independent trip logic and fault recording function
- Configurable protection delay setpoints for each protection item
Application Scenarios: Medium-high power diesel/gas generator units, steam turbine generator protection, industrial power station generator unit protection, captive power plant generator monitoring and protection systems.
