IS200EBACG2A GE Bridge AC Feedback Board
Condition:
Brand New & Original
Availability:
In Stock
Delivery Time:
5-7 Days
EXW Price:
$4500
Payment:
T/T, Full Payment Before Shipping
The IS200EBACG2A is an AC bridge feedback board designed for use within the GE EX2100e excitation control system. Its primary function is to acquire three-phase AC voltage feedback signals from the input side of the excitation bridge and provide synchronization feedback to the controller, thereby enabling SCR (Silicon-Controlled Rectifier) triggering control and excitation regulation.
Functions
1. Real-time monitoring of the three-phase AC voltage output from the excitation transformer and the input voltage to the excitation bridge, ensuring the stability of the excitation output.
2. Precise synchronization of SCR triggering to ensure a smooth and stable excitation current output.
3. Providing feedback to the excitation control system regarding voltage levels, phase angles, and grid synchronization status; this facilitates closed-loop control of the excitation system and safeguards the stable operation of the generator.
| Brief Introduction | |
| Manufacturer | General Electric |
| Module/Order Number | IS200EBACG2A IS200EBACG2ABA |
| Description | Ex2100e Excitation Control, Bridge AC Feedback Board |
| Country of origin | USA |
| Dimension & Net Weight | 30x25x5cm, 1kg |
| Packing Weight | 2kg |
FAQ
1. What is the function of IS200EBACG2A?
—The IS200EBACG2A is primarily used to acquire and provide feedback on the three-phase AC voltage signals at the input side of the excitation bridge, thereby facilitating the precise triggering control of the SCRs (Silicon Controlled Rectifiers).
2. Can the IS200EBACG2A be used for retrofitting aging excitation systems?
—Absolutely. Furthermore, the operational performance of the generating unit will be significantly enhanced following the retrofit.
3. What are the coil-like protrusions located on the left and right sides of the IS200EBACG2A feedback board?
—They are two onboard voltage measurement transformers, primarily used to measure three-phase AC voltage; they convert high-voltage electricity into low-voltage signals and also serve the critical function of providing electrical isolation.
4. Are there any common faults associated with the IS200EBACG2A?
—Potential issues may include unsynchronized SCR triggering, generator voltage fluctuations, or the system failing to synchronize with the grid. Resolving these issues requires a systematic troubleshooting process involving the IS200EBACG2A feedback board's three-phase inputs, its onboard transformers, and its feedback signals.
Application Case: A hydroelectric power plant recently upgraded its aging GE excitation system. Given the frequent fluctuations in the water turbine's rotational speed, the project demanded a high degree of precision in excitation synchronization; consequently, the EX2100e control architecture was selected. Within this architecture, the IS200EBACG2A serves as the AC bridge feedback module; working in conjunction with the AVR (Automatic Voltage Regulator), it facilitates dynamic regulation to ensure grid synchronization stability.
Customer Comments: The client provided the following feedback: "We have encountered numerous instances of sudden load transients; however, the IS200EBACG2A feedback board consistently and rapidly detected and reported the resulting changes in voltage phase. This enabled the controller to make timely adjustments to the SCR conduction angles. Since the upgrade, the excitation system's response time has decreased significantly, and we have experienced virtually no operational faults."
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