Compared with single-phase test transformers, this three-phase product can complete three-phase simultaneous testing, improving test efficiency by over 200% for three-phase electrical equipment. The forced oil circulation cooling system can reduce the oil temperature by 25% during continuous testing, extending the service life of insulating oil and internal components. The insulation class reaches Class H, allowing a maximum operating temperature of 180℃, meeting the test requirements of high-power high-voltage equipment. It is equipped with a built-in voltage regulation device that can smoothly adjust the output voltage from 0 to 100kV, avoiding voltage surge during testing. The protection grade of IP23 can resist rain splashing in outdoor temporary test sites, and the built-in fault self-diagnosis function can quickly locate test abnormalities and send prompts to operators.
This transformer has a rated output voltage of 100kV and a rated capacity of 10kVA, suitable for high-voltage equipment testing in substations. It adopts forced oil circulation cooling mode, which is equipped with a dedicated oil pump and radiator, ensuring stable heat dissipation during 8-hour continuous testing. The insulation class reaches Class H, which is higher than the standard Class F, meeting the test requirements of high-power high-voltage equipment. The net weight is 180kg, and it can be fixed with a standard forklift or lifting sling for transportation. The overall dimensions are 1200mm × 750mm × 900mm, which can be loaded into a standard 20-foot container. The three-phase star-connected winding structure ensures balanced output voltage for three-phase equipment testing. The protection grade of IP23 can resist rain splashing in outdoor test sites, and the test accuracy reaches ±1.0% of full scale, meeting the national standard for high-voltage test equipment. The power input is compatible with standard 380V 50Hz three-phase power supplies, and it can be connected to a dedicated control cabinet for automated testing.
This product is mainly applicable to power transmission and transformation substations, large thermal power plants, hydropower stations and heavy industrial electrical equipment manufacturing bases. Typical application scenarios include dielectric strength testing of 110kV switchgear, large oil-immersed transformers, GIS combined electrical equipment and high-voltage cables. It can also be used for type testing of newly produced high-voltage electrical equipment and regular preventive tests of operating power equipment. It helps users complete large-scale high-voltage testing work efficiently, ensuring the safety and reliability of power transmission and transformation systems. It can also be matched with a dedicated three-phase partial discharge detector to conduct comprehensive performance testing of high-voltage equipment.
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