Features and Advantages
Main Test Items and Functions
1. Sweep frequency method winding deformation test based on different standards;
2. It can measure the phase frequency curve and amplitude frequency curve of each winding of the transformer;
3. The phase and amplitude of the transformer winding can be tested cyclically at a fixed frequency;
4. Analyze the amplitude frequency curve of transformers based on DLT911-2016;
5. Built in non power-off memory, capable of storing 40 sets of winding deformations;
- Sweep frequency method for measuring winding deformation
- Working conditions
| Sweep frequency method for measuring winding deformation | |
| Scanning frequency range | 10HZ-1MHZ (DLT911-2016 linear scanning |
| 20HZ-2MHZ (GB/T1094.18 IEC60076-18:2012 segmented scanning) | |
| 10HZ-10MHZ (GB/T1094.18 IEC60076-18:2012 segmented scanning) | |
| Amplitude measurement range | (-100dB) – (+20dB) |
| Amplitude measurement accuracy | (-40dB) – (+20dB) 0.2dB (-60dB) – (-40dB)0.5dB (-80dB) – (-60dB)1.0dB |
| Angle measurement range | (-180 °) – (+180 °) (10HZ-2MHZ) |
| Scanning frequency accuracy | less than 0.01% |
| Signal input impedance | greater than 1M Ω (DLT911-2016) 50 Ω(GB/T-1094.18 IEC60076-18:2012) |
| Signal output impedance | 50 Ω |
| In phase test repetition rate | 99.5% |
| Working conditions | |
| Working voltage | AC220V±10% |
| Frequency | 50Hz±10% |
| Power consumption | ≤ 60w |
| Operating environment temperature | 0-40℃ |
| Operating environment humidity | ≤ 90RH |
| Host volume | 520x290x220 mm |
| Weight | 10kg |












