Tan Delta Electric Corporation has been providing engineering services for 23 years since 1995 and it focused on specialized engineering works such as Preventive Maintenance, Testing and Commissioning of HV and LV Substation up to 500kV.Our team is composed of experienced electrical engineers that provide the best service through the use of highly innovative electrical test equipment, execute the measures using technologies, systems, and work processes that give optimal results to our clients. AC Dielectric Withstand Test up to 500kVAir and Structure Born Ultrasonic detection for(Motors, Air & Gas Leaks, Corona)AC VLF /DC High Potential Leakage Current TestBattery Capacity Discharge & Quality TestCable Partial Discharge TestContact Resistance TestCircuit Breaker Analysis (Timing and Motion Test)DIRANA (Dielectric Response Analysis)Earth/Ground Resistance/Soil Resistivity MeasurementInstrument Transformer (CT/PT/CCVT) TestInsulation Power Factor/Tan Delta TestInsulation Resistance TestGenerator/Motor Phase Resolved Partial Discharge TestLightning Arrester Leakage Current TestOil Dielectric Breakdown Voltage (DBV) TestPartial Discharge Analysis and Fault Location for Power TransformersPartial Discharge Test of GISPower Quality AnalysisProtective Relay Testing and CalibrationSweep Frequency Response Analysis (SFRA)SF6 Gas Analysis (Moisture, Purity, SO2)SF6 Gas RecoverySF6 Gas Leak DetectionSurge Comparison test (Motors & Generators)Tap Changer Analysis (Dynamic Resistance & AC Ripple Test)Transformer Turns Ratio (TTR) TestWinding Resistance Test