Description
Key Technical Specifications
- Product Model: HIEE205014R001
- Manufacturer: ABB
- System Platform: ABB UNITROL / Generator Excitation Control System
- Supply Voltage: 24 V DC nominal (±10%)
- Power Consumption: ≤18 W under normal operating conditions
- Signal Interface Type: Proprietary ABB excitation system backplane interface
- Signal Processing: Digital logic with conditioned analog signal paths
- Internal Processing Latency: <5 ms, essential for excitation loop stability
- Electrical Isolation: 500 V DC signal-to-system isolation
- Operating Temperature Range: –20 °C to +60 °C
- Storage Temperature Range: –40 °C to +85 °C
- Relative Humidity: 5–95%, non-condensing
- Mounting Method: Rack-mounted excitation control cabinet
- MTBF: >150,000 hours (typical for ABB power control electronics)
- Compliance: CE, IEC 60255 (control and protection equipment standards)
Technical Architecture & Functional Positioning
Architecture Analysis
The HIEE205014R001 is architecturally positioned within the control interface layer of ABB generator excitation systems. It acts as a functional bridge between the excitation controller core and peripheral measurement or power electronics modules. In excitation system hierarchies, this layer is critical because it ensures that control commands and feedback signals are transmitted with deterministic timing and high signal integrity.
From a technical design perspective, the module integrates ABB’s industrial-grade digital control circuitry with robust analog signal conditioning. The internal layout emphasizes electrical isolation and noise immunity to cope with the harsh electromagnetic environment typical of generator excitation cabinets. High-energy field currents and fast switching events can introduce significant electrical noise; therefore, isolation barriers and controlled impedance signal routing are essential design elements.
The engineering value of this module lies in its contribution to excitation stability and system reliability. Generator excitation systems must respond rapidly to load changes, grid faults, and voltage disturbances. Low internal latency and stable signal conditioning help maintain precise voltage regulation and damping of transient oscillations. This directly supports grid code compliance, reduces mechanical stress on generator shafts, and enhances overall plant availability.
Typical Application Scenarios
- Applied in thermal, hydro, and gas power plants for synchronous generator excitation control
- Used in industrial captive power generation units requiring stable voltage regulation under dynamic loads
- Serves as an OEM-compatible replacement for legacy ABB excitation interface boards during life-extension projects
- Supports retrofit and modernization programs where original excitation hardware is no longer manufactured
- Utilized in grid-connected generators where fast and stable excitation response is essential for transient stability
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