Intelligent non-partial discharge test device Overview —— Summarize Consult now! Tel: 400-627-1108

      Partial discharge detection withstand voltage test system Partial discharge detection test device, consisting of partial discharge detector, no partial discharge voltage regulating operation box, no partial discharge test transformer, isolation transformer, and coupling capacitor bank
It is suitable for power supply and distribution systems, power transformer manufacturers, industrial and mining enterprises, scientific research departments, etc., to insulate various high-voltage electrical equipment, electrical components, and insulating materials under power frequency or DC high voltage
The strength test and the detection of the partial discharge capacity are an indispensable complete set of test equipment in the high-voltage insulation withstand voltage test. Adopting a new and improved design, cleverly integrated the no partial discharge test device (transformer control
It is integrated with the partial discharge detector, and the appearance is bright and light, which makes the test process more convenient and simple.

Intelligent non-partial discharge test device Parameters —— Parameters

Console
Power input AC220V/380V ±10%
Capacity 10KVA--500kVA
Input current 45--1350A
Output voltage 0--250--630V
Output current 0-40-850A
Voltage measurement accuracy 0.5%
Current measurement accuracy 0.5%
Partial discharge instrument
Capacitance range of testable products 6PF—250µF
Detection sensitivity (Table 1) Input unit number Tuning capacitance Unit Sensitivity (pico library) (asymmetric circuit)
1 6-25-100 Pico method 0.02
2 25-100-400 pico method 0.04
3 100-400-1500 pico method 0.06
4 100-1500-6000 pico method 0.1
5 1500-6000-25000 pico method 0.2
6 0.006-0.025-0.1 micro method 0.3
7 0.025-0.1-0.4 micro method 0.5
8 0.1-0.4-1.5 Micro method 1.0
9 0.4-1.5-6.0 Micro method 1.5
10 1.5-6.0-25 micro method 2.5
11 6.0-25-60 Micro method 5.0
12 25-60-250 micro method 10
7R resistance 0.5
Amplifier frequency band
 ① Low-end: 10KHZ, 20KHZ, 40KHZ optional
②High-end: 80KHZ, 200KHZ, 300KHZ optional
Amplifier gain adjustment Six gears coarse adjustment, gain between gears 20±1db; fine adjustment range ≥20db
Time Window
 ①Window width: adjustable range 15゜～150゜
②Window position: each window can be rotated from 0゜～170゜
③The two time windows can be opened separately or at the same time
Discharge scale
 ①Pointer head: logarithmic scale 1-10-100 error <±5% (in full scale)
Linear scale 0-100 error <±5% (in full scale)
②Digital meter head: 31/2LED digital display, error <±5% (in full scale)
Ellipse time base
 ①Frequency 50HZ, 100HZ, 150HZ, 200HZ, 400HZ
②Elliptical rotation: with 30゜ as the first gear, it can be rotated at 120゜.
③Display mode: ellipse——straight line
Test voltmeter
 ①Range: 0-100KV (expandable)
②Display: 31/2 digital voltmeter indication
③Accuracy: better than ±5% (in full scale)
Internal and external zero mark function
Power frequency test transformer without partial discharge
Rated capacity 10--500KVA
Rated voltage of primary side
Primary side rated current 200-600V
50-850A
Secondary output voltage
Secondary side rated current 100-500KV
100-1000mA
No-load current 5%
Waveform distortion rate ≤3%
Measure winding voltage
Measuring voltage ratio 100-500V
1:1000
Overvoltage capability Under 110%UH time 60S, overvoltage will not cause insulation damage to the test transformer, and the waveform distortion rate at this time is ≤5%
Insulation level Low voltage end power frequency withstand 5KV/min
Dielectric loss ≤0.5%
Partial discharge is less than 5PC under 100% UH, and less than 3PC under 80% UH
Coupling capacitor
Rated voltage 100-500KV
Electric capacity 500-1000PF
Partial pressure ratio 1000:1
Dielectric loss <0.2%
Measurement accuracy ≤±1%
Isolation filter transformer
Input voltage 200-600V±10%
Output voltage 200-600V±10%
Rated capacity 10-500KVA
No-load loss ≤5%
Impedance voltage ≤5%
Damping resistance power 20-10000W
Attenuation characteristics 10KHZ-100KHZ>20DB 100KHZ-30MHZ>60DB