(LV Mag-freq Curve)
1.Test Results
Substation: q | Location: |
Trans. #: a | Trans. Mfr: |
Trans. Model: | Date of Mfg: |
Serial No.: | Rated Power: |
Rated Voltage: | Phases: Single Phase |
Frequency: 50Hz | Vector Group: |
Imp(%): | Cooling: Oil Cooling |
Air Temp.: 25dC | %RH: |
Oil Temp.: 25dC | Tap Pos.: |
Connection Pos.: Bushing | Test Type: Routine Test |
Tested by: | Company: |
Standard: DL/T911-2016 | |
Figure 1 Test Curves #1:HV_OA_00,Air Temp.:25dC,Oil Temp.:25dC,Routine Test,2021-08-31 144420 #2:HV_OB_00,Air Temp.:25dC,Oil Temp.:25dC,Routine Test,2021-08-31 144539 #3:HV_OC_00,Air Temp.:25dC,Oil Temp.:25dC,Routine Test,2021-08-31 144704 #4:MV_OA_00,Air Temp.:25dC,Oil Temp.:25dC,Routine Test,2021-08-31 153545 #5:MV_OB_00,Air Temp.:25dC,Oil Temp.:25dC,Routine Test,2021-08-31 153814 #6:MV_OC_00,Air Temp.:25dC,Oil Temp.:25dC,Routine Test,2021-08-31 154027 #7:LV1_OA_00,Air Temp.:25dC,Oil Temp.:25dC,Routine Test,2021-08-31 154218 #8:LV1_OB_00,Air Temp.:25dC,Oil Temp.:25dC,Routine Test,2021-08-31 154418 #9:LV1_OC_00,Air Temp.:25dC,Oil Temp.:25dC,Routine Test,2021-08-31 154608 | |
2.Data Analysis
R_lf 1-100kHz | R_mf 100-600kHz | R_hf 600-1000kHz | R_wf 10-1000kHz | Result (Reference) | |
R1-2 | 5.01 | 5.28 | 4.11 | 5.36 | Normal |
R2-3 | 4.73 | 5.11 | 4.24 | 5.21 | Normal |
R1-3 | 4.79 | 5.14 | 4.04 | 5.26 | Normal |
R4-5 | 4.59 | 5.33 | 4.11 | 5.31 | Normal |
R5-6 | 4.31 | 5.26 | 4.43 | 5.29 | Normal |
R6-4 | 4.39 | 5.04 | 4.12 | 5.17 | Normal |
R7-8 | 4.52 | 5.29 | 4.17 | 5.32 | Normal |
R8-9 | 4.43 | 5.19 | 4.02 | 5.17 | Normal |
R9-7 | 4.78 | 5.13 | 4.35 | 5.25 | Normal |
3.Conclusion & Approval
Test conclusion:
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Verifier: | Approver: | ||