Main parameters of tgδ measuring instrument
1. Ratio of bridge capacitor Cx/Cs (at rated ratio of 1:1):-1.11110; Step:0.000001; The range of multipication(K):1000, 500, 200, 100, 50, 10, 5, 2, 1; The measuring range depends on the Cs value of the standard capacitor Cx=Cs*K*(Cx/Cs).
2. Measuring precision of the capacitance ratio:
≤±0.00005 the first dial is full and tgδ＜3*10-3
≤±0.005 tgδ＜3*10-3
3. Measuring range of tgδx:-0.111110 to +0.111110, step:0.000001.
4. Measuring precision of tgδx is ±0.5%* tgδx ±5*10-5
5. Display of the tested capacitance: Cx=(0.1~1111.1110) Cn
6. The display is the first 6 digits of the tested capacitance.
7. Dissipation display of the tested capacitance:-1.11×10-1 to 1.11×10-5
8. Precision: Capacitance:±0.5%*tgδx ±5*10-5
Tgδ:±0.5%tgδx ±5*10-5
9. Dimension:560(w)×410(d)×390(h)mm
10.Weight:~35kg
2. Measuring precision of the capacitance ratio:
≤±0.00005 the first dial is full and tgδ＜3*10-3
≤±0.005 tgδ＜3*10-3
3. Measuring range of tgδx:-0.111110 to +0.111110, step:0.000001.
4. Measuring precision of tgδx is ±0.5%* tgδx ±5*10-5
5. Display of the tested capacitance: Cx=(0.1~1111.1110) Cn
6. The display is the first 6 digits of the tested capacitance.
7. Dissipation display of the tested capacitance:-1.11×10-1 to 1.11×10-5
8. Precision: Capacitance:±0.5%*tgδx ±5*10-5
Tgδ:±0.5%tgδx ±5*10-5
9. Dimension:560(w)×410(d)×390(h)mm
10.Weight:~35kg
Main parameters of the STD capacitors
1. Rated voltage 10-400kV
2. Rated capacitance 50,100pf
3. Frequency 50Hz
4. Precision ≤±0.5%
5. Drift of capacitance ≤3%
6. Drift of voltage ＜2×10-5
7. Dissipation ≤2×10-5
8. PD level ＜5pc, Un
9. Temperature coefficiency ＜3×10-5/℃
10.Pressure coefficiency ＜2×10-3/Mpa
1. Rated voltage 10-400kV
2. Rated capacitance 50,100pf
3. Frequency 50Hz
4. Precision ≤±0.5%
5. Drift of capacitance ≤3%
6. Drift of voltage ＜2×10-5
7. Dissipation ≤2×10-5
8. PD level ＜5pc, Un
9. Temperature coefficiency ＜3×10-5/℃
10.Pressure coefficiency ＜2×10-3/Mpa
Technical parameters of STD capacitors
|
Type
|
Test voltage[kV]
|
Capacitance±3%[pF]
|
Dimensions(L×W×H mm)
|
Structure
|
|
YL-10/50(100)
|
10
|
50(100)
|
150×150×260 170×170×340
|
Coaxial electrode
|
|
YL-20/50(100)
|
20
|
50(100)
|
250×250×650
|
ibid
|
|
YL-30/50(100)
|
30
|
50(100)
|
250×250×650
|
ibid
|
|
YL-50/50(100)
|
50
|
50(100)
|
260×260×650
|
ibid
|
|
YL-100/50(100)
|
100
|
50(100)
|
260×260×800 420×420×1300
|
ibid
|
|
YL-150/50(100)
|
150
|
50(100)
|
420×420×1300
|
ibid
|
|
YL-200/50(100)
|
200
|
50(100)
|
1100×1100×1850
|
ibid
|
|
YL-250/50
|
250
|
50
|
1100×1100×1850
|
ibid
|
|
YL-300/50
|
300
|
50
|
1500×1500×2500
|
ibid
|
|
YL-500/50
|
500
|
50
|
1800×1800×3200
|
ibid
|
|
YL-600/50
|
600
|
50
|
1800×1800×3900
|
ibid
|