Vlf AC Cable Dielectric Withstand Voltage Generator 40kv

Min.Order: 1
Product origin: Wuhan, Hubei, China
Infringement complaint: complaintComplaint
US$ -1

Description
VLF (Very Low Frequency) Hipot Testers are suitable for testing power cables, transformers, switchgear, rotating machinery and other electrical apparatus.

The VLF series supply AC withstand voltage testing. 

For buyer's option: 1.DC withstand voltage testing; 2.Tan delta (tgδ) testing; 3.Partial discharge (PD) testing.

-Micro-controller
-Advanced digital frequency technology
-Built-in printer
-Discharge free
-Portable
-60mins Continous working
-CE mark
-Patent
-5th generation


VLF Advantage
1.AC Withstand voltage testing, Voltage & current curve display.
2.Tan delta (tgδ test), capacitance (μF) and IR (Ω) Test without external device (for buyer's option).
3.Partial discharge testing without external device (for buyer's option).
4.DC withstandi voltage test,DC leakage current measurement (for buyer's option).
5."IEE 400.2" Analysis of Tan delta test result (for buyer's option).
6.Safe Optical isolation technology.
7. Easiest to use Fully automatic microcontroller.
8. H/L voltage closed loop negative feedback control circuit, output no capacity rise effect.
9. Built-in printer.
10. Built-in protective resistors.                              
11. Colour Touch LCD (154*86mm)operation, True sine wave output.
12. Real-time display of actual output waveform.       
13. Ergonomic, menu guided, large colour touch screen
14. Storage of test results for later retrieval and print.                       
15. Over voltage and current protected.
16.Auto variable frequency 0.1Hz, 0.05Hz, 0.02 Hz, 0.01 Hz.
17. 60 mins continuous working;
18. Data of current, voltage and waveform directly sampled at HV side.
19. Rugged and reliable design less prone to failure from transients.
20. Invatation Patent                                                   
21. Portable: Control unit + Booster (Tank)
22. CE mark.
23. RS232 for option.


AC & DC withstand voltage testing interface:




Specification
1.Power: 220V ± 10% AC (110V can be customized), 50/60Hz, single phase;
2.Output-Voltage (Peak): 1 to rated value (KV), details see the below table;
3.Output frequency: 0.1Hz, 0.05Hz, 0.02 Hz, 0.01 Hz (auto variable frequency);
4.Load: 0.5μF (approx 6,000 ft of cable)  @ 0.1 Hz 
       1.0μF (approx 12,000 ft of cable) @ 0.05 Hz 
       2.5μF (approx 30,000 ft of cable) @ 0.02 Hz 
       5.0μF (approx 60,000 ft of cable) @ 0.01 Hz 
5. Stability of frequency: Fluctuation < 0.5%;
6. Measurement accuracy: ±3%;
7. Positive and negative voltage peak error: ≤3%;                             
8. Voltage waveform distortion: ≤5%;                                 
9. Construction: 1 Control unit + 1 Booster (60KV set);  1 Control unit + 2 Boosters(60KV set).
10. Ambient conditions of use: temperature Indoor and outdoor : -10ºC ~ + 50ºC.         
11. Humidity:≤85% 
12. Technical indexes of VLF tgδ test (for buyer's option):
  1) tgδ test voltage range: 1 to 40KV (Only one booster can be used for tan delta test if 2 boosters set)
  2) Measurement voltage accuracy: 3%
  3) Dielectric loss test frequency: 0.1Hz
  4) Measurement range: 0.01×10-3- 655.35×10-3
  5) Dielectric loss accuracy: 1x10-4
  6) Dielectric loss resolution: 1x10-5
  7) Capacitance measurement range: 0.001μF-10μF
  8) Celectric capacity resolution: 0.001μF                    
  9) Current measurement range: 0-59mA                         
  10) Current resolution: 0.1mA
  11) Insulation resistance: 0.01GΩ-65.53GΩ
  12) Insulation resistance resolution: 10

13.Main technical indexes of VLF PD test (for buyer's option):
  1) Partial discharge measurement range: 0.01pc-200pc
  2) Partial discharge detection sensitivity: 0.01pc
  3) Capacitance range: 0.001μF-10μF
  4) Sampling bits: 12 bits
  5) Sampling speed: 12M/S                                           
  6) Test voltage:  0 to rated value (KV)

14.DC leakage current measurement (for buyer's option):
  1) Output rated voltage: same as rated AC voltage output
  2) Voltage accuracy: 3%
  3) Leakage current range: 0-2000μA
  4) DC Current resolution: 1μA
  5) DC current accuracy: 3%
  6) It is necessary to parallel the capacitor we supplied if testing DC leakage current.
 

Model no
Output
Voltage/
Current
(Peak)
Load CapacityControl UnitBooster(Tank)Power 
Capacitance/
Freuency
Net Dim.
(cm)
Net Wt
 (kg)
Net Dim.
(cm)
Net Wt
(kg)
VLF-30 30KV/20mA0.1Hz-0.01Hz
Auto Variable
Capacity:≤10µF
40×31×20  629x15×35251000W
VLF-40 40KV/20mA0.1Hz-0.01Hz
Auto Variable
Capacity:≤10µF
40×31×20  629x15×35251200W
VLF-50 50KV/30mA0.1Hz-0.01Hz
Auto Variable
Capacity:≤10µF
40×31×20  645×19×36451500W
VLF-60 60KV/59mA0.1Hz-0.01Hz
Auto Variable
Capacity:5µF at 60KV;
40×31×20  6
45×19×36
 
452000W
VLF-80 80KV/59mA0.1Hz-0.01Hz
Auto Variable
Capacity:5µF at 80KV;
Capacity:10µF for single booster (40/40KV)

40×31×20
 
  629x15×35    253000W
36x19×45    45
VLF-90 90KV/59mA0.1Hz-0.01Hz
Auto Variable
Capacity:5µF at 90KV;
Capacity:10µF for single
booster (40/50KV)
40×31×20
 
  629x15×35    253500W
36x19×45    45

                                       
Function comparison of VLF series models
 
Output
(Peak)
StructureModel noAC Withstand Voltage TestTan Delta TestPD TestCapacity
(μF)
Insulation
Resistance
Test (IR)


30KV

1*Controller
1*30KV Booster
1*Capacitor
VLF-30XXXX
VLF-30TX
VLF-30PXX
VLF-30M


40KV

1*Controller
1*40KV Booster
1*Capacitor
VLF-40XXXX
VLF-40TX
VLF-40PXX
VLF-40M


50KV

1*Controller
1*50KV Booster
1*Capacitor
VLF-50XXXX
VLF-50TX
VLF-50PXX
VLF-50M

60KV
1*Controller
1*60KV Booster
1*Capacitor
VLF-60XXXX
VLF-60TX
VLF-60PXX
VLF-60M

70KV
1*Controller
1*30KV Booster
1*40KV Booster
1*Capacitor
VLF-70XXXX
VLF-70PXX


80KV
1*Controller
1*30KV Booster
1*50KV Booster
1*Capacitor, or

1*Controller
2*40KV Booster
1*Capacitor
VLF-80XXXX
VLF-80TX
VLF-80PXX
VLF-80M


90KV

1*Controller
1*40KV Booster
1*50KV Booster
1*Capacitor
VLF-90XXXX
VLF-90TX
VLF-90PXX
VLF-90M
Note:  DC leakage current measurement for buyer's option (any type can add this function if required).


Field connection diagram (Test object: cable)








True LCD screenshoot test results




Analysis of Tan delta test results (IEE400.2)





Partial discharge (PD) testing




Package for transport (70KV/80KV/90KV test set):
 
Sr no Name of Commodity  Qty N.W G.WTransport size
(LxWxH)

1
 
Controller 1 unit5 kg
55 kg

450x490x950mm
Capacitor 0.04µF1 unit5 kg
Booster I (30/40KV)1 unit25 kg
Aluminum alloy box1 unit5kg
2Booster II (30/40/50/60KV)1 unit45 kg65 kg500x450x730mm
Aluminum alloy box  1 unit6 kg
 
                    Total:1 set91 kg120 kg0.37 m3
                                             
Packed in 2 wooden cases.

           
Accessories
Sr no.     DescriptionQuantityRemarks
  1Control unit1unit 
  2Booster I (Tank I)1unit1 Booster if ≤60KV set
2 boosters for ≥70KV set.
Booster II (Tank II)1unit
  3Capacitor (0.04µF)1unitUsed as Capacity supplement, or test object for demo
  4Discharge rod1unit 
  5HV Test/Connection cables1set 
  6Earth cable1unit 
  7Power supply cable1unit 
  8Fuse2units 
  9Printer paper1unit 
 10Operating manual 1unit 
 11Aluminium alloy box1unit1 aluminium alloy box ≤60KV set;
2 aluminium alloy boxes ≥70KV set.
1unit
 12Calibration report1unit 


Package for transport :
 
1) 30KV/40KV test set:
Sr noName of Commodity QtyN.WG.WTransport size
(LxWxH)

1
 
Controller 1 unit5 kg
52 kg

450x380x800mm
Capacitor 0.04µF1 unit5 kg
Booster I (30/40KV)1 unit25 kg
Aluminum alloy box1 unit5kg
Total:1 set40 kg52 kg0.14 m3
Packed in 1 wooden case.

2) 50KV/60KV test set:
Sr noName of Commodity QtyN.WG.WTransport size
(LxWxH)

1
 
Controller 1 unit5 kg
80 kg

470x430x950mm
Capacitor 0.04µF1 unit5 kg
Booster I (50/60KV)1 unit45 kg
Aluminum alloy box1 unit5kg
Total:1 set60 kg80 kg0.19 m3
Packed in 1 wooden case.


 
2) 70KV/80KV test set:
Sr noName of Commodity QtyN.WG.WTransport size
(LxWxH)

1
 
Controller 1 unit5 kg
52 kg

450x380x800mm
Capacitor 0.04µF1 unit5 kg
Booster I (30/40KV)1 unit25 kg
Aluminum alloy box1 unit5kg
2Booster II (40/50KV)1 unit45 kg69 kg470x430x720mm
Aluminum alloy box 1 unit6 kg
 
Total:1 set91 kg121 kg0.29 m3
Packed in 2 wooden cases.



Accessories
Sr no.DescriptionQuantityRemarks
1Control unit1unit 
2Booster I (Tank I)1unit1 Booster if ≤60KV set;
2 boosters for ≥70KV set.
Booster II (Tank II)1unit
3Capacitor (0.04µF)1unitUsed as Capacity supplement, or test object for demo
4Discharge rod1unit 
5HV Test/Connection cables1set 
6Earth cable1unit 
7Power supply cable1unit 
8Fuse2units 
9Printer paper1unit 
10Operating manual 1unit 
11Aluminium alloy box1unit1 aluminium alloy box ≤60KV set;
2 aluminium alloy boxes ≥70KV set.
1unit
12Calibration report1unit 

















Product Tag:
Related categories:
Scroll to Top