EEN-037 V1 R1 kV Linearity test · EEN-037 kV Linearity test V1 R1 2011-07-08 DOCUMENTO FOGLIO...
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EEN-037 kV Linearity test V1 R1 2011-07-08 DOCUMENTO FOGLIO NOMEFILE CLASSE EEN‐037 V1 R1 kV Linearity test.doc 13 1 di Test has been conducted in Odel using Dynalizer High Voltage Divider, Dynalizer Digital Display and Endeavour’s Computer signal kV feedback. The test focuses the linearity of kV range. Test has been conducted every 5 kV in the interval 40kV..145kV using the 100mA, 80ms loads Dynalizer Digital Display Setup: - trigger @ 75% of peak kV - measure blind window set to 10ms Oscilloscope Setup: ‐ Channel 1 = High Voltage Divider output (A+C) 1V=20kV ‐ Channel 2 = MCU feedback test point (A+C) 100mV = 40V MEASUREs: TEK MAX for both CH1 and CH2 (equivalent to kV peak measurement) Measures has been recorded and analyzed using MS Excel in order to trace a scatter graph, compute the linearization on the curve and check the angular coefficient of the intercepta: theoretical value = 1 Than has been computer the mean quadratic root to have an idea how how the real curve is far from its intercepta. Bothe the curve and the R2 is directly displayed on the graphs.
Transcript of EEN-037 V1 R1 kV Linearity test · EEN-037 kV Linearity test V1 R1 2011-07-08 DOCUMENTO FOGLIO...
EEN-037 kV Linearity test
V1 R1
2011-07-08
DOCUMENTO FOGLIO
NOMEFILE CLASSE
EEN‐037 V1 R1 kV Linearity test.doc 13
1
di
Test has been conducted in Odel using Dynalizer High Voltage Divider, Dynalizer Digital Display and Endeavour’s Computer signal kV feedback.
The test focuses the linearity of kV range.
Test has been conducted every 5 kV in the interval 40kV..145kV using the 100mA, 80ms loads
Dynalizer Digital Display Setup:
- trigger @ 75% of peak kV
- measure blind window set to 10ms
Oscilloscope Setup:
‐ Channel 1 = High Voltage Divider output (A+C) 1V=20kV ‐ Channel 2 = MCU feedback test point (A+C) 100mV = 40V
MEASUREs: TEK MAX for both CH1 and CH2 (equivalent to kV peak measurement)
Measures has been recorded and analyzed using MS Excel in order to trace a scatter graph, compute the linearization on the curve and check the angular coefficient of the intercepta: theoretical value = 1
Than has been computer the mean quadratic root to have an idea how how the real curve is far from its intercepta. Bothe the curve and the R2 is directly displayed on the graphs.
EEN-037 kV Linearity test
V1 R1
2011-07-08
DOCUMENTO FOGLIO
NOMEFILE CLASSE
EEN‐037 V1 R1 kV Linearity test.doc 13
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Analysis between Control Console display and Dynalyzer Digital Display measurements
kV Console kV Dynalizer DD40 40,8145 45,3450 50,2155 55,9060 61,6865 65,5070 71,4675 76,3780 81,4685 86,0090 91,3795 94,81100 100,60105 104,70110 111,20115 115,80120 120,90125 125,80130 131,00135 135,90140 140,70145 144,90
EEN-037 kV Linearity test
V1 R1
2011-07-08
DOCUMENTO FOGLIO
NOMEFILE CLASSE
EEN‐037 V1 R1 kV Linearity test.doc 13
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Analysis between theoretical Dynalizer Voltage Divider (1V/20kV) and Tektronix MAX measurement on Dynalizer’s voltage divider signal
Expected kV signal kV Dynalizer2 2,00
2,25 2,282,5 2,522,75 2,80
3 3,083,25 3,323,5 3,563,75 3,80
4 4,084,25 4,324,5 4,564,75 4,84
5 5,045,25 5,285,5 5,605,75 5,84
6 6,086,25 6,366,5 6,606,75 6,88
7 7,087,25 7,28
EEN-037 kV Linearity test
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Analysis between theoretical Feedback signal and Tektronix MAX measurement on generator’s kV feedback signal
Expected Feedback Measured Feedback in MAX m100,00 108,00112,50 120,00125,00 140,00137,50 148,00150,00 160,00162,50 172,00175,00 188,00187,50 200,00200,00 208,00212,50 224,00225,00 236,00237,50 252,00250,00 260,00262,50 272,00275,00 288,00287,50 300,00300,00 313,00312,50 328,00325,00 340,00337,50 352,00350,00 364,00362,50 372,00
Follows test data
EEN-037 kV Linearity test
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40kV
45kV
50kV
EEN-037 kV Linearity test
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55kV
60kV
65kV
EEN-037 kV Linearity test
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70kV
75kV
80kV
EEN-037 kV Linearity test
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85kV
90kV
95kV
EEN-037 kV Linearity test
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100kV
105kV
110kV
EEN-037 kV Linearity test
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2011-07-08
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115kV
120kV
125kV
EEN-037 kV Linearity test
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2011-07-08
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130kV
135kV
140kV
EEN-037 kV Linearity test
V1 R1
2011-07-08
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EEN‐037 V1 R1 kV Linearity test.doc 13
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145kV
