Products Description
ABB PMA323BE HIEE300308R1 Excitation Control Board
ABB PMA323BE, part number HIEE300308R1, is a high-performance excitation control printed circuit board for ABB generator excitation systems. It undertakes excitation regulation, signal acquisition and logic control for large synchronous generators.
This board is widely used in power plant excitation cabinets for steam and gas turbine generators. It is an obsolete industrial component, mainly supplied as maintenance spare parts for existing power generation control systems.
Main Specifications
| No. | Item | Parameter |
|---|---|---|
| 1 | Brand | ABB |
| 2 | Model | PMA323BE, Part No:HIEE300308R1 |
| 3 | Module Type | Generator Excitation Control PCB Board |
| 4 | Application System | ABB Generator Excitation Control System |
| 5 | Core Task | Voltage regulation, excitation current monitoring, limit logic |
| 6 | Signal Interface | Analog measurement, digital interlock, field feedback signals |
| 7 | Mounting | Rack mounted inside excitation control cabinet |
| 8 | Product Status | Discontinued, spare replacement only |
Core Functions
| No. | Function Description |
|---|---|
| 1 | Collect generator terminal voltage and excitation current signals for closed-loop automatic voltage regulation |
| 2 | Execute excitation limit protection: over excitation, under excitation and stator current limiting logic |
| 3 | Process interlock and trip commands, output control signals to the power converter unit |
| 4 | Real-time fault diagnosis of board circuit and measurement signals, record alarm events |
| 5 | Communicate with DCS and HMI to upload generator excitation operating parameters |
Application Scenarios
| No. | Application |
|---|---|
| 1 | Thermal power plant steam turbine generator excitation control cabinet |
| 2 | Gas turbine combined cycle power generation excitation system |
| 3 | Hydropower plant synchronous generator voltage control and protection system |
| 4 | Power plant excitation cabinet overhaul, spare board replacement and emergency maintenance |
| 5 | Legacy excitation system spare parts inventory and retrofit project |
FAQ
| No. | Question & Answer |
|---|---|
| 1 | Q:What is ABB PMA323BE HIEE300308R1? A:It is excitation control PCB for ABB generator excitation system, responsible for generator voltage regulation and excitation protection logic. |
| 2 | Q:What is its main function? A:It implements automatic voltage control and multiple excitation limit protections to stabilize generator output voltage under varying load. |
| 3 | Q:Is this board new available? A:ABB has phased out this board. It is only used as spare part to maintain old generator excitation control systems. |
