Advanced Total On-line Moniitoring System for GIS

See Larger Picture : Advanced Total On-line Moniitoring System for GIS

Company Name:PSD Tech., Inc.
Membership:Free Member
Member Since:2007. 03.27
Country/Region:Korea
City:Gyeonggi-do
Contact:Chang-won, Gang
Related Keywords:Advanced Total On-line Moniitoring, System for GIS

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PSD Tech., Inc.
[Korea]

Address: 223-12, Sangdaewon 1-dong, Jungwon-gu, Seongnam-si, Gyeonggi-do

Phone: 82-31-7379290

Contact name: Chang-won, Gang

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Product Details

Quick Information

Model Number : AMoS

Description

Principle

The system detects Partial Discharge Signal, generated when Gas Insulated Switchgear (GIS) has troubles, with Ultra High Frequency (UHF) Sensor, and it is monitoring and diagnosing troubles by On-line.

Benefits

Online Supervisio
Prediction of Breakdown
Alarm

Block Diagram

UHF Sensor

Item	Description	Remark
Power Supply	AC90~240V(60Hz)	Band- fixed
Detection frrequency	500Mhz~1,500Mhz
Minimum detection signal	-55dBm(=0.0032µW)
Over voltage protection	Built-in Surge Protector
Input channel	Simultaneous measurement on 8Ch. (Sensor)	N-Type Connector
Communication with Server	TCP/IP(Lan) or Optical Fiber selectable
Indication	Indicates Local Unit operation status(Monitoring, Real Time Mode) Power and communication status
Calibration	8Ch.(Calibration Pulse) *Separate Calibration Unit used	SMA type connector
Synchrorized signal	3Ch.(A phase, B phase, C phase) (either inner sync or outer sync selectable)	Terminal block
Input signal sensitivity	-60dBm(Min.) ~ 10dBm(max.)
Gain	Remote control from server Adjustable from 5 steps(1, 2, 4, 8, 16) Basic 83dB(1step)
Filter	Remote control frim server Adjustable from 3 kinds
Operation	DSP Dual(600Mhz)
Sampling	8Mbyte/Sec
System construction diagram

Local Unit

Section	Contents	Remark
Power
Detection Area
Min. Detection Signal
Over Voltage Protection	Surge Protector Built-in
Input Channel
Communication with Server
Display	LCD (20 x 4) - Local Unit displays the status of operation LED (Power, Rx, Tx, Sync) - Power, Communication, Synchronous Signal Server Data Analysis, Remote Control, Save
Calibration	8 Ch. (Calibration Pulse) - Use an extra Calibration Unit
Synchronous Signal	3 Ch. (A Phase, B Phase, C Phase) - Internal & external synchronous
Input Sensitivity	60dBm (Min.) ~ 10dBm(Max.)
Gain	Remote-controlled by Server 5 Steps (1,2,4,8,16) Basically 83dB (1 Step)
Filter	Remote-controlled by Server 3 Steps selectable	Minimize a field noise effect
Operation
Sampling
Withstand Voltage	10KV/min Strength
Data Gain Unit	Watch Dog(H/W, S/W) (Built-in)
Dynamic Test	Suitable for Vibration-Resistance, Impact - Resistance
External Case		Waterproof
EMC	Applied to Industrial Emission Standard

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