Technical Specifications Multi‑channel analog sampling input, pulse trigger output, multi‑communication interfaces. Auxiliary power 24 V DC, typical power consumption 11 W. Operating temperature ‑10 ℃ to +55 ℃, storage temperature ‑40 ℃ to +85 ℃, non‑condensing relative humidity 5%‑95%. Protection grade IP20 for cabinet‑inside installation.
Functional Features Completes generator voltage and current signal sampling. Executes excitation closed‑loop regulation algorithm. Output trigger pulse for thyristor power unit. Supports data communication with upper monitoring system. Stores fault and event records. Built‑in comprehensive hardware self‑diagnosis function.
Application Scenarios Applied for small‑and‑medium generator sets in industrial power stations, hydropower stations. Used for new project construction and spare‑part replacement of excitation system.
Performance Parameters Fast excitation adjustment response meets generator control requirements. Non‑volatile memory keeps fault records after power loss. Communication interface realizes convenient data interaction with upper system.
Material Composition Metal‑plastic composite housing. Internal multilayer glass‑fiber epoxy printed circuit board. Industrial‑grade processor, high‑precision sampling components. Screw‑type signal terminals and communication ports.
Structural Characteristics Standard rack‑mount unit structure. Front panel equipped with LED status indicators and communication ports. Rear side fitted with power supply, sampling and pulse output terminals. Weight approximately 1.35 kilogram.
Working Principle After power‑on, unit completes hardware self‑check and parameter initialization. It continuously samples generator voltage and current signals. Internal processor executes excitation regulation algorithm and outputs trigger pulse to adjust thyristor conduction angle.
Installation Requirements Mount UNITRO1020 onto standard cabinet rack and tighten fixing screws. Complete power supply, sampling signal and pulse output wiring strictly according to engineering drawing. Ensure reliable cabinet protective grounding. Power‑on, configure excitation parameters and complete excitation function test.
Usage Notes Keep cabinet ventilation condition well. Check terminal tightening torque periodically. Back‑up configuration parameters before equipment replacement. Complete no‑load and load excitation test after parameter configuration.
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