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It is an advanced on-line diagnosis system for medium voltage switchgear that predicts any problems for advanced maintenance by detecting partial discharge such as Corona, Arc that is generated from degradation of internal system of medium voltage switchgear, thereby contributing to prevent damages from system breakdown, electrical fire, etc and to assure system quality and longevity.
FEATURES
Advanced Broadband Sensor
- Enhanced detecting range
- Patent-pending pattern antenna design/ Trend mode
Superior Reliability and Accuracy
- Monitoring and analyzing PD signal continuously
- Measuring PD signal in Real-time / Event / Trend mode
- Precise data analyzing and recording
User Friendly Operation & System
- Generating reports automatically
- Supporting SCADA
- Displaying PD signal in Real-time / Trend mode
Diagnosis Unit
| Item | Specification |
|---|---|
| Power | 90 to 240 VAC, 50/60Hz |
| Input | More than 250 channels |
| Diagnosis | Built in neural network engine classifies PD into 5 types: Protrusion Electrode, Floating Electrode, Defective Insulator, Free Moving Particle and Noise |
| Alarming | HMI, Email |
| Graphic Tools | PRPD, PRPS, Trend, and others |
| Channel Configuration | Three threshold levels for alarming can be configured for each channel individually |
| IEC61850 | Enabled |
| Remote Monitoring | Enabled |
| Communication | 10/100Base-T/TX Ethernet |
| Storage | Database |
| Self Test | Enabled |
Local Unit
| Item | Specification |
|---|---|
| Power | 90 to 240 VAC, 50/60Hz 120 to 370 VDC |
| Input | 8 UHF Channels, N-Type Connector |
| Sensitivity | Can detect discharge less than 5 pC within monitoring area of GIS/GIB |
| Input Bandwidth |
Wide Bandwidth 100 ~ 2000MHz |
| Dynamic Input Range | - 65 to 0 dBm |
| Band Pass Filter | Combination of 4 LPF and 4 HPF |
| Noise Gating | Enabled (External Noise Sensor) |
| Communication | Fiber Optic (100Base-FX) |
| Notification | 4 x LED Status Indicators |
| Operating Temperature | -25°C to 55°C |
| Operating Humidity |
100% |
| Enclosure Rating |
IP54 |
| Dimensions | 355 x 580 x 196 (W x H x D) mm |
APM1200 SENSOR
