Generator Regulation and Control Functions
Four excitation control modes
Automatic voltage regulation (AVR)
Manual or field current regulation (FCR)
Power factor (PF)
Reactive power (VAR)
Soft start voltage buildup with an adjustable ramp in AVR and FCR control modes
Overexcitation (OEL) and underexcitation (UEL) limiting in AVR, VAR, and PF control modes
Underfrequency compensation (Volts/Hertz)
Line Drop Compensation
Auto-tracking between operating modes and between redundant CGCM units
Automatic transfer to a backup CGCM unit in redundant systems
Generator parlleling with reactive droop compensation or crosscurrent (reactive differential) compensation
Generator paralleling with real power load sharing
Synchronizing for 1 or 2 circuit breakers
The 1407-CGCN Combined Generator Control Module (CGCM unit) is a microprocessor-based control and protection device. It can be integrated with the Logix family of programmable controllers to provide generator control, protection and synchronization. With programmability of system parameters, adjustment Settings and protection functions, CGCM units can be used in a wide range of applications.
Specifically, the functions of the 1407-CGCN generator control module mainly include:
Monitoring function: 1407-CGCN monitors and records the parameters and status of the generator during operation in real time, including voltage, current, frequency, power factor, speed, temperature, humidity, etc., as well as the occurrence of faults, warnings and other abnormal conditions. By monitoring these parameters and conditions, the generator control module can find the problem in time, prevent the occurrence of failure, and ensure the normal operation of the generator.
Protection function: 1407-CGCN protects the generator from failure and damage. These protection measures include overload protection, short circuit protection, overvoltage protection, undervoltage protection, phase loss protection, overspeed protection, low speed protection, etc. When any of the above faults or abnormal conditions occur, the generator control module will promptly alarm and stop protection to prevent the generator from being damaged.
In addition, the working principle of the 1407-CGCN generator control module is based on the principle of electromagnetic induction. When the engine is started, the rotor of the generator begins to rotate, creating an alternating magnetic field through the field coil, which creates an electric potential in the winding. Through the detection and analysis of this potential, the generator control module can control the generator.
In summary, the combined generator control module plays a crucial role in the operation of the generator, which can not only ensure the stable operation of the generator, but also effectively prevent various potential problems and extend the service life of the generator.
