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Kamol
Engineering Services Co.,ltd.
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Accessories Part of Generator – High-Quality Generator Components and Testing Processes

At Kamol Engineering Service Co., Ltd., we understand that the generator is the heart of every power plant, industrial facility, and energy production system. Proper maintenance and quality inspection of internal components such as Stator Coils, Rotor Coils, and Stator Cores are therefore essential. To ensure the highest reliability, we have developed our Accessories Part of Generator Service, which integrates high-quality component manufacturing, spare parts supply, and standardized testing procedures. Our goal is to extend equipment lifespan, minimize downtime risk, and enhance overall power generation efficiency.

ELCID Test – Advanced Stator Core Inspection

One of the key diagnostic techniques is the ELCID Test (Electromagnetic Core Imperfection Detection Test). This method is used to evaluate the condition of a generator’s stator core, particularly identifying interlamination faults in the insulation between core laminations. Such faults can cause eddy currents and lead to hot spots, which, if left untreated, may result in severe generator damage. The ELCID Test is internationally recognized and operates by applying a low-frequency excitation signal through the core. Measurements are taken using a Chattock Coil, which scans each stator slot to detect any abnormalities. The results precisely indicate potential fault locations, guiding necessary repairs or maintenance actions.

Testing & Measuring Equipments

Kamol Engineering invests in international-standard testing instruments to ensure the highest quality in both inspection and coil manufacturing processes.

  • Hi-Pot Test (AC/DC) – Models 730-2-B (AC 30 kV) and 880-PL-10 MA-B (DC 80 kV):
    Used to verify insulation strength under high voltage, both in AC and DC systems.
  • Surge Comparison Test –
    Detects winding integrity issues and prevents internal short circuits.
  • Micro Ohm Meter Model 5600 & Megohm Meter Model 5100 –
    Provide precise resistance measurements to confirm excellent electrical connections.
  • Core Loss Test 100 KVA & Tan Delta CPC 80 + CP TD1 –
    Evaluate iron loss and insulation deterioration in stator and rotor cores.
  • Impedance Test –
    Measures electrical stability and efficiency across the generator system.

Production Equipments

  • Silver Wire Connecting Machine –
    Ensures maximum electrical conductivity, minimizes power loss, and extends service life.
  • High-Power Electrical Welder –
    Supports heavy-duty industrial welding with high strength and precision.
  • Heating Jacket & Heating Coil Systems –
    Maintain controlled temperatures during manufacturing and repair processes to preserve insulation and coil structural integrity.

Work Procedure

  1. Electrical Isolation – Disconnect and isolate all electrical sources for safety.
  2. Calibration – Calibrate all measuring instruments for accuracy.
  3. Slot-by-Slot Inspection – Use the Chattock Coil to examine each stator slot.
  4. Data Analysis – Record results and analyze stray flux for abnormalities.
  5. Reporting – Provide a detailed test report with maintenance or repair recommendations.

Customer Benefits

  • Minimized risk of severe generator failures
  • Extended service life of Stator Cores and Rotor Coils
  • Reduced cost of major overhauls
  • Enhanced electrical system safety
  • Improved reliability and continuity of power generation

With over 30 years of experience and continuous investment in state-of-the-art diagnostic equipment, Kamol Engineering Service Co., Ltd. is committed to providing a complete range of generator services — from component manufacturing and quality inspection to preventive maintenance.

Every project entrusted to us is backed by our commitment to safety, quality, and long-term value.