Routine Testing
100% of manufactured units are subjected to mandatory routine tests before leaving our works, guaranteeing baseline efficiency, winding symmetry, and core insulation integrity.
Quality Assurance & Compliance
Unrivaled Testing Services — From Factory Floor to Global Field Deployment
At KROS Electric Co., Ltd., our engineering partnership with global clients extends far beyond manufacturing. We provide a complete suite of precision transformer testing services engineered to maximize operational uptime, dielectric strength, grid safety, and equipment lifespan.
Every unit manufactured by KROS Electric Co., Ltd. undergoes rigorous factory acceptance testing (FAT) adhering strictly to IS/IEC 60076, IEEE, and BIS standards. Our high-voltage laboratory is equipped with calibrated, automated test benches to verify performance metrics under peak thermal, mechanical, and electrical stress.
Standard & Specialty Test Protocols:
Insulation Resistance (Megger Test)
Voltage Ratio & Vector Group Check
Transformer Winding Resistance Test
Separate Source Voltage Withstand Test
No-Load Loss & Excitation Current Test
Induced Over-Voltage Withstand (DVDF)
Load Loss & Impedance Measurement
Oil Breakdown Voltage (BDV) Analysis
Pressure & Hermetic Leakage Test
Magnetic Balance & Zero Sequence Test
Temperature Rise (Heat Run) Test
Lightning Impulse Withstand Test (BIL)
35+
Years Quality
Excellence
Excellence
International Test Framework
Rigorous Standards for Overseas Procurement
To ensure seamless integration with international grid infrastructure, our testing procedures comply with major global standard bodies.
Type Testing (CPRI / ERDA)
Type test certifications including Short-Circuit Withstand Capability and Lightning Impulse Tests can be conducted via independent, NABL-accredited national laboratories such as CPRI and ERDA.
Special Diagnostics
Advanced diagnostic procedures including Dissolved Gas Analysis (DGA), Frequency Response Analysis (FRA), and Partial Discharge measurement available for critical power transformers.
Request Complete Technical Specifications & Testing Reports
Download our official technical catalog or consult directly with our chief testing engineers for custom international project compliance documentation.
Get Catalog
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