الوصف
The GE DS2020ACSAG2 CS Caps Module is a Capacitor Assembly module used in the General Electric AC2000 Drive System and the Mark V series. The part number specifically refers to a revision of the capacitor assembly.
The “CS Caps” stands for Capacitor Stack, and the module’s main function is to support the drive’s DC bus.
🔋 Primary Function
The DS2020ACSAG2 performs the essential functions of a capacitor bank in a high-power drive:
- DC Bus Smoothing (Filtering): It stores energy and filters the ripple voltage on the DC bus, which is the intermediate power stage between the rectifier (AC-to-DC) and the inverter (DC-to-variable AC) sections of the drive. This ensures the inverter receives a stable, high-quality DC voltage.
- Energy Storage: The capacitors act as a temporary energy reservoir. They supply power rapidly during sudden load changes or absorb excess energy during regenerative braking, which helps maintain a steady voltage and prevents the drive from tripping offline.
🧩 Key Identification Details
While the core function is capacitor assembly, the full part number and associated descriptive names provide more context:
- Part Number: DS2020ACSAG2
- Product Line: GE Mark V DS2020 / AC2000 Drive Control System
- Description: The “G2” revision often indicates a minor change from the previous version (DS2020ACSAG1), such as a different component layout or quantity—some sources refer to it as the “CS Caps 3 Rows in SE” module.
- Functional Description: Some vendors also refer to this board as a Voltage Monitor Assembly module, suggesting it may also incorporate circuitry for monitoring the voltage across the capacitor bank in addition to simply housing the capacitors.
- Redundancy: Like many components in the Mark V series, it may be designed to be compatible with both Simplex and Triple Modular Redundant (TMR) applications, crucial for high-reliability systems like gas turbines.




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