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Shaanxi Saipurui Electric Co., Ltd
Online partial discharge monitoring instrument for switchgear
NegotiableUpdate on 05/19
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Overview
Online partial discharge monitoring instrument for switchgear
Product Details
1、 Product Introduction
The SPR-JF-I type switchgear partial discharge online monitoring system is a set of online monitoring devices used for detecting, analyzing, and continuously monitoring partial discharge signals of high-voltage switchgear, suitable for various models of 10KV and 35KV switchgear. The system consists of a system host and partial discharge detection sensors. The system host is used to process the partial discharge signals obtained by the partial discharge detection sensors, screen the partial discharge signals, and complete functions such as numerical recording, analysis and judgment, and alarm of the partial discharge signals.
2、 Technical parameters
| Working power supply voltage | 110～264VAC、155～370VDC |
| rated power | ≤3W |
| Working environment temperature | -20℃-60℃ |
| Measurement frequency range | 2.6GHz～5GHz |
| Measurement sensitivity | -60dBm |
| Measure response time | ＜10S |
| measurement range | -60dBm～0dBm |
| Alarm threshold setting | -40dBm to 0dBm (with an adjustment interval of 1dBm) |
| Default alarm threshold value | -20 dBm |
| Overall dimensions | 115*72*60mm |
| Installation location | Switchgear Cable Room |
| Installation method | bracket installation |
| communication interface | RS485 |
3、 Product Structure
structural diagram
System Schematic Diagram
3、 Product Features
1. Continuous sampling is used to extract effective partial discharge signals without interruption.
2. Can query and compare historical data, automatically identify discharge intensity and hazards. You can use a mobile app to read partial discharge data.
3. Partial discharge sensors are wide, low noise, high sensitivity, large dynamic range, and digital.
4. Small in size and light in weight, it does not affect existing equipment during installation and is easy to install.
5. The sensor is installed inside the switchgear, and its internal electromagnetic signal is easy to receive. External interference is almost shielded, and its sensitivity is high.
5、 Product advantages
1. Provide uninterrupted real-time condition monitoring for switchgear;
2. Pre diagnostic alarms to prevent the occurrence of catastrophic failures and reduce or avoid losses;
3. The service life of equipment and systems increases, and the availability rate improves;
4. Reduce maintenance costs, decrease failure rates, and minimize equipment downtime.
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