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Allen Bradley 1407-CGCM｜Combination Generator Control Module｜
Excitation Regulation and Control
Supports four excitation control modes, including:
Automatic Voltage Regulation (AVR)
Manual Field Current Regulation
Power Factor Control
Reactive Power Control
Provides over-excitation and under-excitation limiting across multiple control modes
Supports soft start voltage ramp-up
Includes under-frequency compensation and line drop compensation (LDC)
Ensures stable generator operation under varying load and grid conditions
Supports load sharing for parallel generator operation
Enables synchronization and operation of up to two circuit breakers
Protection Functions
Comprehensive fault protection, including:
Loss of excitation (demagnetization)
Over-excitation voltage
Generator overvoltage and undervoltage
Over-frequency and under-frequency
Reverse power protection
Monitors:
Rotating diode health
Phase sequence / phase rotation errors
Provides full-scope protection to ensure safe and reliable generator operation
Communication and Redundancy
Equipped with redundant ControlNet interfaces
Includes RS-232 communication ports:
Used for dedicated communication between redundant controllers
Enables seamless integration with Logix-based PLC systems (e.g., ControlLogix)
In redundant configurations:
Automatically switches to standby units upon fault detection
Supports bumpless transfer and operational mode tracking
Enhances overall system availability and reliability
Measurement and Monitoring
Measures fundamental electrical parameters:
Voltage
Current
Frequency
Calculates power quantities:
Active power
Reactive power
Apparent power
Monitors excitation system parameters:
Excitation current
Excitation voltage
Provides synchronization and operational status data to support diagnostics and maintenance
Typical Applications
Suitable for:
Brushless permanent-magnet excited generators
Brushless self-excited generators
Common application areas:
Industrial power generation systems
Factory production facilities
Data centers requiring high power stability
Emergency and standby power systems
Cogeneration (CHP) systems
Designed for industries demanding high reliability, stability, and continuous power availability, including power generation, manufacturing, and mission-critical infrastructure
Allen Bradley 1407-CGCM｜Combination Generator Control Module｜
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By structuring the information in this manner, the article provides a clear and organized understanding of input channels, transducer supply, and communication implementations in distributed control systems.
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