Synaptec Greenlight
for Mining and Processing Plants
Download Technical Description
Greenlight
Greenlight is a Synaptec solution for early detection of damage and degradation in power cables, cable joints and terminations. The system continuously monitors electrical and temperature parameters of the cable circuit, helping identify developing abnormalities before they result in an outage.
Passive measurement points require no local power supply or active communications equipment. Signals are transmitted over standard single-mode optical fibre to centralized equipment.
What Greenlight Detects and Addresses
- Local overheating of cable joints and terminations
- Increased resistance of power connections
- Faults in screen bonding and grounding connections
- Abnormal screen currents
- Parameter differences between phases
- Sections limiting the permissible circuit load
- Developing abnormalities between periodic inspections
The system helps identify a developing problem before it causes cable damage or an unplanned outage.
Key Benefits
Early Detection
Abnormalities are detected at an early stage of development.
Fault Localization
The affected section can be identified more accurately and quickly.
Maintenance Planning
Maintenance can be scheduled during a planned service window.
Reduced Outage Risk
The risk of unplanned outages is reduced.
Remote Section Monitoring
Monitoring without local power supplies or active field electronics.
Capacity Assessment
Elements limiting the circuit loading capacity can be identified.
What the System Monitors
Phase Currents
Monitoring the actual loading of the cable circuit.
Screen Currents
Detection of screen grounding and bonding abnormalities.
Joint Temperature
Detection of localized overheating at cable joints.
Termination Temperature
Monitoring of power connections and load limitations.
Cable Temperature Condition
Identification of hot sections and assessment of thermal loading.
How Greenlight Works
Measurement
Passive current and temperature sensors are installed on selected circuit elements.
Signal Transmission
Signals are transmitted over single-mode optical fibre.
Data Acquisition
The DES Interrogator receives and synchronizes the measurements.
Analysis
The Synthesis platform analyzes the data and identifies abnormalities.
Integration
Data and alerts are transmitted to the plant SCADA system.
Where Greenlight Is Used
- Main substation incomers
- Crusher and mill feeder circuits
- Conveyor systems
- Pumping and compressor stations
- Converter substations
- Cable tunnels and galleries
- Remote cable sections
- Underground and subsea cable circuits
- Wind and solar power plant cable circuits
- Circuits with difficult-to-access joints and terminations
Greenlight in the Plant Infrastructure
The solution can be applied to both new and existing cable circuits. System configuration is defined with consideration of cable construction, circuit length, number of joints, screen bonding arrangement, available fibre-optic infrastructure and the existing SCADA system.
