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PARAMETERS
PTTS | |
Test Item | System Implementation and Accuracy Assurance |
Transformer Winding DC Resistance | Automatic tap switching;10 A DC fast resistance measurement;accuracy ±0.2%. |
Transformer Turns Ratio &Vector Group | Fully automatic ratio tester;range 0.9–10000;accuracy ±0.1%. |
Short-Circuit Impedance &Load Loss | Power analyzer locks rated voltage data;waveform correction applied. |
No-Load Loss &Current | Automatic measurement at rated voltage;real-time line loss correction;high accuracy. |
Power Frequency Withstand Voltage | Program-controlled voltage rise and timing;meets IEC tolerance limits. |
Induced Withstand Voltage | 45–300 Hz variable-frequency source;automatic run;avoids core saturation. |
Temperature Rise Test | Fully automated temperature-rise process;data recording and calculation. |
PARAMETERS
PTTS | |
Test Item | System Implementation and Accuracy Assurance |
Transformer Winding DC Resistance | Automatic tap switching;10 A DC fast resistance measurement;accuracy ±0.2%. |
Transformer Turns Ratio &Vector Group | Fully automatic ratio tester;range 0.9–10000;accuracy ±0.1%. |
Short-Circuit Impedance &Load Loss | Power analyzer locks rated voltage data;waveform correction applied. |
No-Load Loss &Current | Automatic measurement at rated voltage;real-time line loss correction;high accuracy. |
Power Frequency Withstand Voltage | Program-controlled voltage rise and timing;meets IEC tolerance limits. |
Induced Withstand Voltage | 45–300 Hz variable-frequency source;automatic run;avoids core saturation. |
Temperature Rise Test | Fully automated temperature-rise process;data recording and calculation. |