Product Introduction
The Cable Grounding Circulating Current On-line Monitoring System focuses on the dynamic tracking and analysis of key indicators in high-voltage cable circuits, promptly detecting potential faults such as insulation defects, aging, and multi-point grounding of the sheath. Composed of a grounding current sensor, operating current sensor, monitoring IED, and backend software, the system provides data acquisition, analysis, and management functions, helping to prevent cable overload, optimize load distribution, and improve the reliability and service life of the power supply system.
Product Attributes
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Circulating Current Monitoring IED
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Operating Current Measurement: 1 Channel Sheath Grounding Current Measurement: 6 Channels Measurement Period: 5 seconds ~ 24 hours (configurable) RS485 Interface: 1 Channel, Baud Rate 1200~19200bps (configurable) Working Power Supply: AC220V |
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Grounding Circulating Current Sensor
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Sheath Grounding Current Sensor: 1mA~100A, Opening Diameter 38mm (others need customization) Measurement Accuracy: ±1% Protection Class: IP65 Working Ambient Temperature: -40℃~+65℃ Working Ambient Humidity: 95%Rh |
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Operating Current Sensor
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Sheath Operating Current Sensor: 1 Channel, 1mA~1000A (others need customization) Measurement Accuracy: ±1% Protection Class: IP65 Working Ambient Temperature: -40℃~+65℃ Working Ambient Humidity: 95%Rh |
Equipment Characteristics
Real-Time Monitoring
Continuous tracking of cable grounding current enables early detection of abnormalities, helping prevent major failures caused by circulating current issues.
01
Ground Wire Anti-Theft
Detects sudden current changes indicating stolen ground wires and immediately identifies the location of the theft.
02
Sheath Insulation Monitoring
Continuous monitoring of sheath grounding current detects insulation damage in time, using a non-intrusive method that requires no line modifications.
03
Transient Over-Current Lock and Protection
Monitors transient over-current conditions in the grounding circuit, providing latching alarms and data references for cable operation and maintenance.
04
Automatic Alarm System
Automatically triggers multi-level alerts (onsite, central, and personnel notifications) with data archiving when parameters exceed limits.
05
Application Scenarios
Cable Tunnels
Centralized monitoring of long-distance cable grounding status, preventing theft and damage.
Cross-regional Power Transmission Projects
Analyzing circulating current distribution and optimizing load allocation.
Power Plant Areas
Preventing grounding faults and avoiding unplanned unit shutdowns.
Rail Transit Power Supply Systems
Ensuring reliable traction cable grounding and continuous power supply.
After-Sales Service
24-hour response time, via WhatsApp/WeChat/email/Teams.
Engineers can be dispatched overseas for installation guidance, commissioning, and training.
International express delivery available for key spare parts (sensors, power modules).
Product upgrades and modifications, multi-language versions available upon request.
English operation manuals, installation videos, and maintenance guides provided.
Our Factory
Our Certificate
FAQ
Q: What is the routine maintenance required for the Cable Grounding Circulating Current On-line Monitoring System?
A: Mainly, periodically check the sensor connections for secureness and clean the equipment surface. No complex maintenance is required.
Q: Why monitor grounding circulating current?
A: Excessive grounding circulating current can cause cable overheating, accelerate insulation aging, and in severe cases, lead to fires. Monitoring circulating current can provide early warnings and prevent accidents.
Q: Does installation require a power outage?
A: The sensor adopts a clip-on design, which can be installed without power interruption and does not affect the normal operation of the cable.
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