SCM-PD3000 Partial Discharge Monitoring system for switchgear
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SCM-PD3000 Partial Discharge Monitor is an advanced solution for various and continuous partial discharge monitoring in medium-voltage and high-voltage electrical assets such as transformers, power cables (AC& DC cables, MV cables, EHV cables, isolated phase bus), rotating machines (generators, electrical motors), switchgear, etc.
The basic feature of Blue Jay PD3000 online partial discharge monitoring is a long-life partial discharge sensor compatible with an external power supply and battery power, a panel-mounted HMI unit with automatic PD data acquisition and analysis, supporting up to 96pcs sensor, an RS 485 MODBUS-RTU for easily integrated SCADA systems, and easy installation.
HMI electrical parameters of PD monitoring for switchgear:
| HMI electrical specification | ||
| Auxiliary power | 85-265Vac/dc, 20-60Vdc Optional | |
| Power consumption | <6W | |
| Communication | RS-485, MODBUS-RTU | |
| Digital output | 2* Relay for alarm/trip, 5A@250VAC, passive node | |
| Environment temperature | -10 ~ +60°C | |
| Environment humidity | RH 20% ~ 95% (No condensation) | |
| Dimensions (W × H × D) | 96*96*85mm or 144*144*100mm | |
| Open install hole | 91*91mm or 138*138mm | |
| Remote sensor common | ||
| Power supply | 12-36Vdc or 7.2V 3000mAh build in battery* | |
| Wireless band | 433MHz ~2.4GHz optional | |
| Signal transmission distance | Up to 80m (260 feet) | |
| Static power consumption | <10mW | |
| Installation method | 4* strong magnet, wall mount | |
| Sampling period | 4S | |
| TEV sensor | ||
| Detect range | 0~60 dBmV | |
| Pass band | 3~100MHz | |
| Resolution / Accuracy | 1dBmV / ±1dBmV | |
| Ultrasonic sensor | ||
| Detect range | 0~60dBμV | |
| Resolution / Accuracy | 1dBμV | |
| Sensitivity | -65 dB (0 dB=1 volt/μbar rms SPL) | |
| Sensor center frequency | 40 KHz | |
| UHF sensor (optional) | ||
| Detect range | -70~10dBm | |
| Pass band | 300~1500MHz | |
| Average equivalent height | ≥10mm | |
| Noise detection range | 30~130dB | |
| Temperature detection range | -40~85°C | |
| Humidity detection range | 5~95%RH | |
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