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Power Facility Prevention Diagnosis System

Subtation total diagnostic system
  • Subtation total diagnostic system 1번 상세이미지 썸네일

Subtation total diagnostic system

제품상세정보테이블
A system for comprehensive prevention diagnosis of power facilities by attaching a number of sensors to transformers and GIS for partial discharge, breaker operation characteristics, bushing diagnosis, etc. and analyzing data acquired online comprehensively to diagnose facility abnormalities
Products Info
System Features
  • Transformer and GIS Comprehensive Preventive Diagnosis System
  • Transformer (MLU) : PD Detection Bushing leakage current, OLTC Monitoring , Oil Gas Analysis
  • GIS(GLU) : PD Detrection, Analysis of the Operation Characteristic of the breaker
  • Switchgear Panel : PD Detection, Temperature, Humidity, Thermal imaging
  • Real -time analysis and trend of power facilities in operation
  • IEC 61850 communicaion test passed (KEPCO)
  • Substation Comprehensive prevention diagnosis system diagnosis performance verification test (KEPCO)
System Diagram


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Diagnostic items
Device Diagnosis Content
GIS UHF PD
  • 500MHz~ 1,500MHz
  • Determination by type of 5 or more type of PD
  • Analysis of PRPS & PRPD Data
  • Libary Update and Measurement Data Learning
Breaker Operation
Characteristics
  • Breaker Trip/Close coil current
  • Load current
  • Contact Status : Opening time and input time monitoring
SF6 Gas Density (Railways)
  • Cut-Off Gas density, etc.
Lightning arrestor (Railways)
  • Supervisory of Leakage current of Lightning arrestors
TR UHF PD
  • 300MHz~ 1,800MHz
  • Determination by type of 6 or more type of PD
  • Analysis of PRPS & PRPD Data
  • Library Update and Measurement Data Learning
Oil Gas
  • Single Gas analysis , Multi-gas analysis (3, 5, 9 type)
  • Errir Range : Within 10% 
  • Library Update and Measurement Data Learning
Bushing
  • Analysis and Diagnosisof insulation condition by monitoring the leakage current of bushing at all time
  • 검출범위 : 30~60mA, 5~40mA등
  • Input : Bushing leakage current bus phase voltage. etc.
OLTC
  • OLTC PD Diagnosis : 300MHz ~ 1,200MHz
  • OLTC  Operation Monitoring  : Operation Motor, Operation Current, etc.
  • OFU Monitoring : Temperature, Press, H2O, Outdoor air Temperature etc.
Switchgear UHF PD
  • 500MHz~ 1,500MHz
  • Classification of PD type into 3 or more (Floating, Corona,Vold)
Temperature / Humidity
  • Temperature : -25℃~+155℃ ,  RF Signal Operation
  • Humidity : 0~100% (%RH, Humidity). RF Signal Operation
Thermal Imaging
  • 80x60/160x120,8.6Hz, Range : -10℃~170℃
Diagnostic Software
Comprehensive Prevention Diagnosis Main
Substation
GIS 
Breaker Characteristics
PD
Thermal Imaging
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