Pacific Microsystems
 
 

Portable GIS Partial Discharge Diagnosis System

Introduction
PAMas detects, analyze and records ultra-wide-bandwidth of electro wave signals by highly sensitive UHF sensors in all voltage ranges which can be generated by partial discharge in GIS
 
 
 
 
 Characteristics of the Systems
 
• Simple structure for easy diagnosis and measurement
 - portable and light equipment for easy mobilization
 - Simple structure lore easy installation for diagnosis
• 3 Stage Noise Elimination Solution
  - Filter selection to suit operational environment
    (3 Band -Pass Filter)
  - Classifies noise by using gating Method
  - Classifies the differences of detected signals by Neutral Network analysis
• High Performance Data Acquisition Unit
   Real-time algorithm operation (600MHz Dual DSP)
   Stores large data
   Simultaneous & consistent diagnosis 4-CH
   Suitable stricture pf substation in all voltages ranges
   (Korea Electric Technology Research Institute Certificate)
• Software Design Considering an Operator
   Diverse embedde software for diagnaosic analysis
   (PRPS/PRPD/2D/3D)
   Wide ranges of reseatched data-base can be applied on
   Various environment (Detects, Neural Network)
   Manual or Automatic Mode
   Manual or Autometic Mode

 
 
 Specifications
 
• PAMos
PAMos
Item
Specification
Power Supply
AC 90 ~ 240V, 50/60Hz
Minium Detecation Signal
(-65dBm (=0.001,W)
Surge Voltage Protection
Bult-inSurge Protector
Input Channal
4 Chammal (Strutaneous & Consultants
Commvnication
TCP/IP (IEEE802x)
Processor
Dual 600 MHz DSP
Gain
5 Stepe Control
Filter
User Selectable (3-stage)
Gating
User Selectable Multe Channels
EMC
Industrial Emission Standard Application
 
 
 Sensor
 
External Sensor
Noise Sensor
Item Specification
Dedication BW External Sensors : 0.5 ~ 1.5 GHz
Noise Sensors : 0.3 ~ 3.0 GHz
Detection Sensistivity Extermal Sensors : below 5 PO(=24d
 
 
 
 System Schematic
 
   
 
 
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