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
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, H2 O, 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