Product Description
ABB CMA130 (Part No.: 3DEE300400) is an excitation control unit for ABB UNITROL excitation system. CMA130 is the main control board of the excitation regulator, responsible for excitation control logic operation, signal acquisition and regulation output. It features reliable signal processing, self-check and fault diagnosis functions, supporting closed-loop excitation control for generators. This board is widely used in excitation cabinets of synchronous generators to provide stable excitation control for the unit. It is a common spare part for power stations, used for maintenance and replacement of excitation systems of new and old generator sets.
Core Specifications
| Item | Specification |
|---|---|
| Model | CMA130, 3DEE300400 |
| Product Type | Excitation Control Board |
| Series | UNITROL Excitation System |
| Brand | ABB |
| Function | Excitation regulation logic, signal acquisition, fault self-diagnosis |
| Applicable Equipment | Synchronous generator excitation control system |
| Mounting | Rack plug-in card |
| Operating Temperature | 0℃ ~ +60℃ |
| Storage Temperature | -40℃ ~ +85℃ |
| Humidity | 5%~95% non-condensing |
Product Application
It is mainly applied in excitation cabinets of synchronous generator sets in power plants to realize closed-loop regulation of generator excitation current and stabilize generator output voltage and reactive power. Widely used in thermal power, hydropower and other power generation industries. It serves as spare parts replacement, equipment maintenance and retrofit for UNITROL excitation system, ensuring stable grid-connected operation of generators.
Series Models
- CMA120: Excitation Control Board
- CMA130: Main Excitation Control Board (3DEE300400)
- CMA140: Measurement Board
- CMA150: Interface Board
- CMA201: Power Supply Board
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