NGI provides troubleshooting services to identify and isolate faults affecting turbine operation, performance, and reliability. Our team works to diagnose issues quickly and accurately, using a combination of fault code analysis, SCADA data review, and hands-on field verification to confirm failure points.
Each scope is executed with a structured approach that focuses on identifying the root cause of the issue rather than the immediate symptom. Mechanical, electrical, and control systems are evaluated to ensure a complete understanding of system behavior and interaction, reducing the risk of repeat faults or unnecessary component replacement.
Troubleshooting activities include detailed system checks, signal verification, and component-level inspection to trace faults through inputs, outputs, and system responses. NGI works in coordination with site teams to address identified issues, support corrective actions, and restore normal operation.
Execution is driven by field experience, disciplined verification, and clear documentation. Findings are recorded and communicated to support decision-making, improve system reliability, and reduce downtime. The result is a controlled path from fault identification to resolution, helping return turbines to stable and reliable operation.
Review of active and historical fault codes, alarms, and event logs through SCADA and local control systems. Identifies fault patterns, intermittent issues, and system trends that indicate underlying problems.
Inspection of drivetrain components including main bearing, gearbox, generator, and couplings to identify abnormal noise, vibration, overheating, or misalignment. Includes checks for loose hardware, binding components, improper clearances, and signs of internal wear or failure.
Testing and verification of electrical systems including cable continuity, insulation condition, grounding integrity, and termination quality. Identifies issues such as open circuits, short circuits, signal loss, and faulty components such as sensors, relays, or breakers.
Diagnosis of hydraulic system performance including pressure checks, leak identification, valve operation, and actuator response. Identifies issues such as pressure drops, contamination, blocked lines, or component failure affecting system function.
Evaluation of pitch and yaw systems to identify faults related to motor performance, gearbox operation, brake function, and control response. Includes checks for uneven movement, failure to track position, or system faults during operation.
Use of vibration data and operational behavior to identify imbalance, misalignment, or early-stage component failure. Helps detect issues that may not yet be visible but are affecting performance.
Focused troubleshooting of faults that occur sporadically or under specific conditions. Includes data trending, repeated testing, and system monitoring to isolate difficult-to-replicate issues.
Evaluation of control logic, signal inputs/outputs, and communication between turbine systems. Verifies proper response from sensors, actuators, and control commands, and identifies issues related to signal errors, communication faults, or incorrect parameter settings.
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After repairs or adjustments are made, systems are retested to confirm the issue has been resolved. Ensures faults are cleared, systems respond correctly, and no secondary issues are present.
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