Transformer Tester

XHBX1502 When a transformer’s design and build are complete, its coils and internal setup are set for good. For a multi-winding transformer, coils with the same voltage class and winding technique will have fixed Ci and Li parameters—meaning each coil’s frequency-domain response is also fixed, and the frequency patterns of the three-phase coils can be compared. Things like short circuits (between turns or phases) during testing, bumps in transit that move coils around, or

XHBX1501 Product Overview When a transformer is designed and built, its coils and internal layout are set in stone. For multi-winding transformers, coils that match in voltage class and winding method will have set Ci and Li parameters—so their frequency-domain responses are fixed, and the three-phase coil frequency patterns can be compared directly. Problems like short circuits (during testing), shipping damage (coil movement), or coil warping from electromagnetic stress

XHBX1501 Product Overview Once a transformer’s design and manufacturing are finalized, its coils and internal structure are fixed. For a multi-winding transformer, coils with the same voltage class and winding method will have definitive parameters (Ci, Li), leading to fixed frequency-domain characteristic responses. This means the frequency spectra of the three-phase coils are comparable. Interturn or phase-to-phase short circuits during testing, impacts during transportatio

XHZ1340A DC resistance testing is mandatory for transformers during manufacturing (semi-finished/finished products), installation, handover, and preventive maintenance, detecting production defects (e.g., coil material/welding issues, loose connections, missing strands, breaks) and operational hazards. To enable rapid DC resistance measurement, our company has developed the Transformer DC Resistance Tester with in-house technology. This new-generation tester integrates

XHZ1320AX Overview As key components of power systems, transformers’ long-term reliable operation is critical to overall system stability and reliability. Transformer DC resistance is a mandatory test for manufacturing (semi-finished/finished products), installation, handover, and preventive maintenance, enabling detection of manufacturing defects (e.g., coil material/welding problems, loose connections, missing strands, breaks) and operational hazards. To enable rapid DC

XHZ1320AX Overview Transformers act as the heart of power systems, and their sustained, dependable performance is fundamental to maintaining the overall stability and reliability of the entire grid. DC resistance testing is an essential procedure for transformers—required at every stage from semi-finished/finished product factory checks to installation, handover, and routine preventive maintenance by power authorities. This test pinpoints critical issues including substandard

XHZ1320A Overview For power systems, transformers are core equipment, so their long-term, reliable operation is critical to the stability and reliability of the entire system. The DC resistance of a transformer is a mandatory test item for semi-finished products, finished product factory tests, installation, handover tests, and preventive tests conducted by power departments during transformer manufacturing. It can effectively detect manufacturing defects such as improper

XHZ1010SC The XHZ1010SC Handheld DC Resistance Tester is an essential tool for transformer testing scenarios—including factory tests for semi-finished/finished products, installation, maintenance, tap changer changes, commissioning, and preventive checks by power sectors. It validates winding joint welds, detects inter-turn short circuits, ensures proper contact of voltage tap changers (and alignment of actual vs. indicated positions), checks for broken lead wires, and

XHZ1010SC The XHZ1010SC DC Resistance Tester is a mandatory testing device for semi-finished and finished transformer products during factory acceptance tests, installation, overhauls, tap changer adjustments, commissioning tests, and preventive maintenance conducted by power utilities. It can inspect the welding quality of winding joints and detect inter-turn short circuits in windings, verify the contact reliability of voltage tap changers at all positions and consistency

XHZ1010 The XHZ1010 DC Resistance Tester is essential for all critical stages of transformer lifecycle testing: from factory checks of semi-finished/finished products, to installation, overhaul, tap changer adjustments, handover, and preventive testing by power sectors. It performs vital diagnostic tasks: assessing winding joint weld quality, spotting inter-turn short circuits, ensuring voltage tap changers make secure contact at every position (and that actual vs. indicated

XHXC110: Advanced Demagnetizer for Power Transformers & Current Transformers Engineered to address residual magnetism risks in large power transformers and CTs after DC resistance testing, the XHXC110 is the ultimate solution for protecting critical equipment from inrush current impacts and ensuring seamless, safe commissioning. Ferromagnetic hysteresis leaves residual magnetism in transformer cores after turns ratio, DC resistance, or similar tests. When energized, this

XHXC110 Demagnetizer for Power Transformers & CTs The XHXC110 is a specialized tool for eliminating residual magnetism in large power transformers and current transformers post DC resistance testing. It is essential for shielding these assets from inrush current damage and enabling safe, reliable commissioning. Ferromagnetic materials exhibit hysteresis, so residual magnetism lingers in transformer iron cores after tests like turns ratio and DC resistance measurements. When

XHBX1502 After a transformer is designed and manufactured, its coils and internal structure are fixed. For multi-winding transformer coils, identical voltage ratings and winding methods translate to fixed parameters (Ci, Li), which lock in each coil’s frequency-domain characteristic response. As a result, the frequency spectra of the three-phase coils can be compared effectively. Transformer winding distributed parameters change when interturn/phase-to-phase short circuits

XHYZ1668A Product Description The on-load tap-changer is the only moving part that is connected to the transformer circuit, so the detection of the on-load tap-changer is getting more and more attention. In the "Procedures for Handling and Preventive Tests for Electrical Equipment", it is required to check the sequence of actions and the switching time of the on-load tap-changer. The XHYZ1668A on-load tap-changer tester is mainly used to measure the transition waveform,

XHBB128B transformer turns ratio tester Introduction Before a newly installed transformer is put into operation, the production process of semi-finished and finished power transformers requires testing the turns ratio or voltage ratio of the operating transformer, in accordance with the preventive test regulations of the Ministry of Electric Power. This includes checking the transformer turns ratio for correctness, the condition of the tap changer, whether the transformer is

XHYZ1668 On-Load Tap Switch Tester Output Current 0.2A Suitable for Various Applications Introduction The on-load tap-changer, the only moving part connected to the transformer circuit, has become a critical area for detection. This instrument is specifically designed to measure the transition waveform, transition time, transient resistance value of the on-load tap changer, and three-phase consistency. It is highly intelligent, with an all-English menu and easy-to-follow

XHBX1501S Transformer winding deformation testerSFRA Test kit transformer Product description Transformer winding deformation tester based can make accurate diagnosis on the transformer internal fault based on the measurement of the characteristic parameters of transformer windings inside, using the frequency response analysis (FRA) method developed and improved by the developed countries. It applies to the detection of internal structure fault in 63kV-500kV power transformer

Transformer oil gas tester/gas chromatograph analyzer Main technical datas • operating display: 5.7 inch periodic lattice Chinesize color liquid crystal (can be equipped with touch screen)• temperature control area: 6 ways • temperature: room temperature above 5 ºC ~ 400 ºC, incremental:1 ºC, accuracy :± 0.1 ºC• temperature-programmed order: 16 order• Temperature program rate: 0.1 ~ 39 ºC /min (common type); 0.1 ~ 80 ºC /min (high speed)• the gas control: optional pressure

XHXC205 Power transformer degaussing machine Description XHXC205 is a combination of power transformer degaussing instrument and power transformer DC resistance tester, which has conventional transformer DC resistance test function. Main features Degaussing part 1.Adopt patented technology - DC frequency conversion attenuation principle; 2.The three-phase transformer can only achieve degaussing by degaussing the B phase; 3.With automatic steady flow judgment, 16-bit AD data

XHWS180 Product Description The XHWS180 trace moisture analyzer is the most reliable method for the determination of trace moisture in different substances by Karl Fischer Coulometric titration. The XHWS180 Trace Moisture Tester successfully applied this method, using the most advanced automatic control circuit, 32-bit embedded microprocessor as the main control core, embedded in the mini operating system. Therefore, the instrument works more reliably and is more convenient