Technical Specifications Multi‑channel analog sampling input, logic control output interfaces, auxiliary DC control power supply. Operating temperature 0 ℃ to +60 ℃, storage temperature ‑40 ℃ to +85 ℃, non‑condensing relative humidity 5%‑95%. Conformal coated circuit board for harsh cabinet environment.
Functional Features Samples generator terminal voltage and current signals in real time. Executes excitation regulation algorithm to maintain generator output voltage stable. Outputs control pulse signal to power thyristor unit. Supports excitation over‑voltage and over‑current protection logic. On‑board self‑diagnosis detects sampling channel and hardware circuit failure.
Application Scenarios Spare excitation control board for generator excitation cabinet. Applied in hydro‑power, thermal‑power generator set excitation system maintenance.
Performance Parameters High‑precision electrical quantity sampling performance. Fast excitation regulation response characteristic. Reliable protection logic execution capability.
Material Composition Multilayer glass‑fiber epoxy printed circuit board. Analog signal sampling conditioning circuit, digital processing chip, pulse driving assemblies. Multi‑pin plug‑in connectors and metal screw mounting hardware. Conformal protective coating layer.
Structural Characteristics Rectangular circuit‑board structure. Analog sampling connectors, pulse output connectors and auxiliary power connectors are distributed on different edges. Reserved screw mounting holes for cabinet internal installation.
Working Principle UAC317AEV1 obtains auxiliary DC control power. Generator voltage and current analog signals are sent to sampling circuit. On‑board processor completes excitation regulation calculation, outputs corresponding control pulse to thyristor power unit, adjusts generator excitation current to stabilize generator terminal voltage.
Installation Requirements Fasten board to cabinet mounting bracket by screws. Fully insert and lock each plug‑in connector.
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