No Partial Discharge Free Test Equipment
Huazheng HZQW-10KVA/50kV PD-free test transformer uses a specialized structure and precision technology to maintain partial discharge levels within a narrow range. It is manufactured with high precision and is suitable for both field and laboratory applications, making it highly convenient to use.
No Partial Discharge Free Test Equipment Technical Specifications
1,Inflatable Type Testing Transformer：
Model：HZQW-10KVA/50kV 1set
The PD-free test transformer uses a specialized structure and precision technology to maintain partial discharge levels within a narrow range. It is manufactured with high precision and is suitable for both field and laboratory applications, making it highly convenient to use.
Technical Specifications:
Rated Capacity：10KVA Input Voltage：200V
Output Voltage：0-50KV PDAmount≤5PC
Output Current：200mA Accuracy：AC 1.5%
Power distortion: < 3% Insulation Dielectric：SF6 Gas
Dimension： O.D.：350mm,H. 0.8M Weight：55Kg
2.Main Technical Indicators
1. The equivalent capacitance ranges from 6pF to 250 μ F
2. Number of channels: single channel
3. Measurement range: 0.1pc-10000nc
4. Detection sensitivity and allowable current (see Table 1)
|
NO. |
Tuning Capacitance Range |
Sensitivity (PC) (Unbalanced Circuit) |
Effective Value Of Allowable Current |
|
|
Unbalanced Circuit |
Balance Circuit |
|||
|
1 |
0～25～100pF |
0.02 |
30mA |
0.25A |
|
2 |
25～100～400pF |
0.04 |
50mA |
0.5A |
|
3 |
100～400～1500pF |
0.06 |
120mA |
1A |
|
4 |
400～1500～6000pF |
0.1 |
0.25A |
2A |
|
5 |
1500～6000～25000pF |
0.2 |
0.5A |
4A |
|
6 |
0.006～0.025～0.1μF |
0.3 |
1A |
8A |
|
7 |
0.025～0.1～0.4μF |
0.5 |
2A |
15A |
|
8 |
0.1～0.4～1.5μF |
1 |
4A |
30A |
|
9 |
0.4～1.5～6.0μF |
1.5 |
8A |
60A |
|
10 |
1.5～6.0～25μF |
2.5 |
15A |
120A |
|
11 |
6.0～25～60μF |
5 |
25A |
200A |
|
12 |
25～60～250μF |
10 |
50A |
300A |
|
7R |
Resistance |
0.5 |
2A |
15A |
Table 1. Detection sensitivity and allowable current value of input unit
5. Elliptic scan time base
(1) Frequency 50/60, 100, 150, 200, 400Hz
(2) Rotation: 30 ° as the first gear, and can rotate 120 °
(3) Working method: ellipse sine wave straight line
6. Display unit
10.1 inch capacitive touch screen is used.
7. Amplifier
(1) 3dB low frequency fl:10, 20, 40KHz optional
(2) 3dB high frequency fh:80, 200, 300kHz optional
(3) Gain adjustment, rough adjustment 6, inter gear gain difference 20 ± 1dB, fine adjustment range >20db
(4) Asymmetry of positive and negative pulse response ＜ 1dB
8. Time window
(1) Window width: adjustable, 5 ° ~ 170 ° at 50Hz
(2) Window position: each window can rotate 0 ° ~ 170 °
(3) Two time windows can be opened separately or simultaneously.
9. Peak pulse display
The touch screen displays 1 decimal place (10pc or more), 2 decimal places (less than 10pc), error: ± 3% (in full scale)
10. Test voltage display
(1) Range 150kV
(2) Input impedance: >1m Ω
(3) Display: touch screen display, display 1 decimal place
(4) Error: ± 1%
11. Test frequency display
Error: less than ± 1%
12. Zero standard system
Zero sign is consistent with all ellipse scanning frequencies
13. Structure
(1) Dimensions: 370mm (width), 460mm (depth), 215mm (height)
(2) Weight: about 12.5kg
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