Entry-level On-line UHF PD Monitoring System for GIS HiCMS GM-500 The H iCMS GM500 (Smart sensor) developed by HYOSUNG continuously monitors the power equipment and automatically discriminates PD cause using UHF PD detection techniques. This monitoring device is very compact and has competitive price because it is an all-in- one system composed of PD sensor, noise sensor, RF circuit, signal processing H/W and communication module. This solution is aimed at providing reliable power equipment operation and reducing maintenance cost by unexpected failure. Smart Sensor Main Unit Features Optic Cable HMI •Highsensitivityandexcellentreliability•Robustnesstoexternalnoiseusingnoisegatingtechnology •HasUltrawide-bandcharacteristicsDB Server System configurationSpecification Item Specification Note Input frequency range 100MHz ~ 2,000MHz Input signal level -80 dBm ~ -20 dBm Minimum sensitivity Less than 1pC Self test pulse generator 1GHz, -50dBm Watch dog for RF module 1ch : PD detection Number of CH 2ch/Unit 2ch : Noise detection ℃ ℃ Operating temperature -30 ~ 80 Operating humidity 30% ~ 95% IP rating IP 66 I 10 11 HiCMS Hyosung intelligent Condition Monitoring System
Portable UHF PD Monitoring System for GIS HiCMS GM-100 The HiCMS GM100 is a versatile, portable UHF partial discharge (PD) analyzer. This device detects and records the UHF PD signal generated by defects in the GIS. Using the internal and external type sensors, it will provide the early warning of unexpected failure before complete breakdown occurs. Features •PartialDischarge(pC)measurementforeachcompartmentofGIS •LocationestimationofPartialDischargeposition •AnalysisalgorithmtoclassifybothPDandbackgroundnoise.(Freemovingparticles,spacercrack,voidininsulator,floating electrode, Protrusion, Cellular phone Noise, etc..) •Usingnoisemaskingtechnology,reliablediagnosisispossible. •RiskassessmentofPartialDischarge(5stepGuidanceAlarm) •Fullyprotectedagainstsurgeandtransientovervoltage Specification Item Specification Detection bandwidth 100 ~ 2,000MHz No. of Input channel 3 or 9 Channel Sensor type Internal and external type sensor Supply voltage 100 ~ 230VAC / 50 ~ 60Hz Synchronization PT signal or internal Operation temp. -10 ~ 50℃ Weight about 20kg Case dimension 538 x 406 x 211mm