Digital guide
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Woodward 9906-726
Product Name: EGS-02 Gas Engine Full-Authority Digital Controller
Product Introduction: Low-heating-value gas version with advanced low-emission authorization enabled. Combines low-heating-value gas source adaptation with lean-burn emission control. Land-based use, no maritime certification. For power generation equipment using biogas and landfill gas that must meet stringent emission regulations.
Detailed content
Technical Specifications: Hardware body electrical and physical parameters consistent with 9906-718; software simultaneously enables low-heating-value gas algorithm and lean-burn emission control.
Functional Features:
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Includes all low-heating-value gas adaptation functions of 9906-725
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Adds lean-burn low-NOx emission control
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Extended fault history storage
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Multiple switchable calibration data tables
Application Scenarios: Landfill gas and biogas power generation projects that simultaneously need to meet local exhaust emission limits for gas generator sets.
Material Composition: Sheet metal enclosure, multi-layer PCB, gold-plated terminals, flame-retardant insulation components.
Structural Features: Panel-mounted control cabinet installation, rear terminals, no external hardware difference, distinguished by nameplate model.
Working Principle: Simultaneously completes gas source heating value fluctuation compensation and lean-burn closed-loop control, balancing unstable gas source conditions with exhaust emission targets, executing speed regulation and safety protection logic.
Installation Requirements: Same series panel-mount specification; oxygen sensors and pressure sensors all use shielded cables; ensure proper grounding, heat dissipation, and vibration resistance.
Usage Precautions: After major changes in gas source composition, recalibration and self-learning are required. Static electricity protection, strictly prohibit hot-plugging terminals under power, prevent condensation and water ingress.
