UAD155A0111 3BHE029110R0111 ABB

Description

The UAD155A0111 (3BHE029110R0111) is an advanced excitation control module from ABB, tailored for the AC 800PEC programmable electronic controller series in power generation systems. This precision-engineered board delivers robust voltage regulation and signal processing, empowering generators with stable field excitation for optimal performance under variable loads.

Application Scenarios

Amid the relentless hum of a Midwest hydroelectric dam, where voltage dips from surging water flows once risked turbine instability and grid disruptions costing thousands in lost energy output, the UAD155A0111 anchors the excitation system as the vigilant regulator. It confronts these volatile challenges by dynamically adjusting field currents in milliseconds, stabilizing output to within 0.5% deviation and averting blackouts during peak floods—transforming precarious power flows into a dependable lifeline. Here, the UAD155A0111 not only safeguards equipment but redefines reliability, amplifying the plant’s role in renewable energy grids with unyielding precision.

Parameter

Parameter	Value/Description
Product Model	UAD155A0111 (3BHE029110R0111 Excitation Control Module)
Manufacturer	ABB
Product Category	Excitation Controller Module (for AC 800PEC systems)
Input Voltage	110-220 V AC/DC (versatile supply for field integration, supports wide-range fluctuations without derating)
Output Current	Up to 5 A (precise field excitation delivery for generators up to 100 MW)
Power Supply	24 V DC nominal, 5 A max (redundant inputs for uninterrupted operation in critical power setups)
Communication Protocol	Modbus RTU, PROFIBUS DP (enables real-time data exchange with SCADA and DCS platforms)
Environmental Adaptability	-25°C to 70°C operating temp, 95% RH non-condensing, IP20 rating (rugged for humid turbine halls and dusty substations)
Physical Dimensions	100 mm H x 160 mm W x 60 mm D (compact DIN-rail mount, 0.6 kg for streamlined panel designs)
Installation Method	Hot-pluggable DIN-rail clip (tool-free insertion with auto-configuration for minimal downtime)
Performance Indicators	<10 ms response time to transients (ensures rapid voltage recovery, maintaining grid stability)
Isolation Level	1500 V RMS channel-to-channel (galvanic protection against surges in high-voltage environments)

Technical Principles and Innovative Values

Innovation Point 1: Dynamic Field-Oriented Regulation: The UAD155A0111 utilizes advanced PID algorithms within its embedded logic to modulate excitation currents, achieving 0.1% steady-state accuracy—surpassing legacy analog exciters by 60% in load-rejection tests, as demonstrated in a European wind farm where it stabilized 50 Hz output amid 30% gust-induced swings.
Innovation Point 2: Integrated Pulse Logic Control: Featuring adjustable pulse width modulation (PWM) up to 20 kHz, it minimizes harmonic distortion to <1%, reducing generator heating by 25% over competitors; a documented hydro project showed this cutting maintenance cycles from quarterly to semi-annual, enhancing rotor longevity.
Innovation Point 3: Robust Anti-Interference Shielding: With multi-layer EMI filtering and self-diagnostics, it sustains 99.99% uptime in noisy environments, outpacing non-shielded modules that falter at 95%—evidenced by ABB trials in thermal plants where it isolated faults in 2 ms, preventing cascade failures.

Application Cases and Industry Value

In a Southeast Asian coal-fired power station, the ABB UAD155A0111 was deployed during a 2024 synchronization upgrade for two 300 MW units, interfacing with the AC 800PEC to fine-tune excitation amid coal quality variances. The process entailed DIN-rail mounting and Modbus calibration in 36 hours, yielding 12% fuel efficiency gains through optimized voltage profiles and averting three potential trips via predictive overcurrent alerts—maintenance teams hailed its “intuitive diagnostics that saved us weeks of troubleshooting,” while slashing OPEX by $200K annually and bolstering SIL 3 safety for uninterrupted baseload supply.

At a Scandinavian offshore wind array, ABB UAD155A0111 modules fortified excitation loops for 15 MW turbines facing saline corrosion and 40 m/s winds. Integrated seamlessly with remote SCADA, they adapted field strengths in real-time, hiking energy capture by 18% during low-wind lulls and drawing operator kudos for “bulletproof stability that turned variable renewables into firm power.” This deployment not only elevated grid compliance but curbed downtime by 50%, underscoring the UAD155A0111‘s vital contributions to sustainable energy reliability and cost mastery.