• 0.1Hz Vlf High Voltage Hipot Tester for Cable Tan Delta Diagnostics 60kv
  • 0.1Hz Vlf High Voltage Hipot Tester for Cable Tan Delta Diagnostics 60kv
  • 0.1Hz Vlf High Voltage Hipot Tester for Cable Tan Delta Diagnostics 60kv
  • 0.1Hz Vlf High Voltage Hipot Tester for Cable Tan Delta Diagnostics 60kv
  • 0.1Hz Vlf High Voltage Hipot Tester for Cable Tan Delta Diagnostics 60kv
  • 0.1Hz Vlf High Voltage Hipot Tester for Cable Tan Delta Diagnostics 60kv

0.1Hz Vlf High Voltage Hipot Tester for Cable Tan Delta Diagnostics 60kv

After-sales Service: Life Time Maintenance
Warranty: Life Time Maintenance
Transport Package: Aluminum Box Inside and Plywood Case Outside
Specification: CE Mark
Trademark: GOLDSOL
Origin: China
Customization:

Contact Supplier

Gold Member Since 2012

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Manufacturer/Factory, Trading Company

Basic Info.

Model NO.
VLF-60T
HS Code
90303900
Production Capacity
50 Sets/Month

Product Description

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

The "VLF-T" series supply AC withstand voltage testing + tgδ test + Capacity(μF) + IR(Ω).

For buyer's option:
1.Partial discharge (PD) testing.
2.DC withstand voltage testing (including leakage current measurement).

-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.
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.
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 display interface:
0.1Hz Vlf High Voltage Hipot Tester for Cable Tan Delta Diagnostics 60kv
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:
  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 Capacity Control Unit Booster(Tank) Power 
Capacitance/
Freuency
Net Dim.
(cm)
Net Wt
 (kg)
Net Dim.
(cm)
Net Wt
(kg)
VLF-40T  40KV/20mA 0.1Hz-0.01Hz
Auto Variable
Capacity:≤10µF
40×31×20   6 29x15×35 25 1200W
VLF-50T  50KV/20mA 0.1Hz-0.01Hz
Auto Variable
Capacity:≤10µF
40×31×20   6 29x15×35 25 1500W
VLF-60T  60KV/59mA 0.1Hz-0.01Hz
Auto Variable
Capacity:5µF at 60KV;
40×31×20   6 45×19×36 45 2000W
VLF-80T  80KV/59mA 0.1Hz-0.01Hz
Auto Variable
Capacity:5µF at 80KV;
Capacity:10µF for single booster (40/40KV)
40×31×20   6 29x15×35     25 3000W
36x19×45     45
VLF-90T  90KV/59mA 0.1Hz-0.01Hz
Auto Variable
Capacity:5µF at 90KV;
Capacity:10µF for single
booster (40/50KV)

40×31×20
 
  6 29x15×35     25 3500W
36x19×45     45
                                         

Function comparison of VLF series models
 
Output
(Peak)
Structure Model no AC Withstand Voltage Test Tan Delta Test PD Test Capacity
(μF)
Insulation
Resistance
Test (IR)


30KV

1*Controller
1*30KV Booster
1*Capacitor
VLF-30 X X X X
VLF-30T X
VLF-30P X X
VLF-30M


40KV

1*Controller
1*40KV Booster
1*Capacitor
VLF-40 X X X X
VLF-40T X
VLF-40P X X
VLF-40M


50KV

1*Controller
1*50KV Booster
1*Capacitor
VLF-50 X X X X
VLF-50T X
VLF-50P X X
VLF-50M

60KV
1*Controller
1*60KV Booster
1*Capacitor
VLF-60 X X X X
VLF-60T X
VLF-60P X X
VLF-60M

70KV
1*Controller
1*30KV Booster
1*40KV Booster
1*Capacitor
VLF-70 X X X X
VLF-70P X X


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

1*Controller
2*40KV Booster
1*Capacitor
VLF-80 X X X X
VLF-80T X
VLF-80P X X
VLF-80M


90KV

1*Controller
1*40KV Booster
1*50KV Booster
1*Capacitor
VLF-90 X X X X
VLF-90T X
VLF-90P X X
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)

0.1Hz Vlf High Voltage Hipot Tester for Cable Tan Delta Diagnostics 60kv

0.1Hz Vlf High Voltage Hipot Tester for Cable Tan Delta Diagnostics 60kv


True LCD screenshoot test results

0.1Hz Vlf High Voltage Hipot Tester for Cable Tan Delta Diagnostics 60kv 0.1Hz Vlf High Voltage Hipot Tester for Cable Tan Delta Diagnostics 60kv

Analysis of Tan delta test results (IEE400.2)

0.1Hz Vlf High Voltage Hipot Tester for Cable Tan Delta Diagnostics 60kv
0.1Hz Vlf High Voltage Hipot Tester for Cable Tan Delta Diagnostics 60kv
0.1Hz Vlf High Voltage Hipot Tester for Cable Tan Delta Diagnostics 60kv

Partial discharge (PD) testing

0.1Hz Vlf High Voltage Hipot Tester for Cable Tan Delta Diagnostics 60kv

0.1Hz Vlf High Voltage Hipot Tester for Cable Tan Delta Diagnostics 60kv

Package for transport :
 
1) 30KV/40KV test set:
Sr no Name of Commodity Qty N.W G.W Transport size
(LxWxH)

1
 
Controller 1 unit 5 kg
52 kg

450x380x800mm
Capacitor 0.04µF 1 unit 5 kg
Booster I (30/40KV) 1 unit 25 kg
Aluminum alloy box 1 unit 5kg
Total: 1 set 40 kg 52 kg 0.14 m3
Packed in 1 wooden case.

2) 50KV/60KV test set:
Sr no Name of Commodity Qty N.W G.W Transport size
(LxWxH)

1
 
Controller 1 unit 5 kg
80 kg

470x430x950mm
Capacitor 0.04µF 1 unit 5 kg
Booster I (50/60KV) 1 unit 45 kg
Aluminum alloy box 1 unit 5kg
Total: 1 set 60 kg 80 kg 0.19 m3
Packed in 1 wooden case.

0.1Hz Vlf High Voltage Hipot Tester for Cable Tan Delta Diagnostics 60kv
 
2) 70KV/80KV test set:
Sr no Name of Commodity Qty N.W G.W Transport size
(LxWxH)

1
 
Controller 1 unit 5 kg
52 kg

450x380x800mm
Capacitor 0.04µF 1 unit 5 kg
Booster I (30/40KV) 1 unit 25 kg
Aluminum alloy box 1 unit 5kg
2 Booster II (40/50KV) 1 unit 45 kg 69 kg 470x430x720mm
Aluminum alloy box 1 unit 6 kg
 
Total: 1 set 91 kg 121 kg 0.29 m3
Packed in 2 wooden cases.

0.1Hz Vlf High Voltage Hipot Tester for Cable Tan Delta Diagnostics 60kv

Accessories
Sr no. Description Quantity Remarks
1 Control unit 1 unit  
2 Booster I (Tank I) 1 unit 1 Booster if ≤60KV set;
2 boosters for ≥70KV set.
Booster II (Tank II) 1 unit
3 Capacitor (0.04µF) 1 unit Used as Capacity supplement, or test object for demo
4 Discharge rod 1 unit  
5 HV Test/Connection cables 1 set  
6 Earth cable 1 unit  
7 Power supply cable 1 unit  
8 Fuse 2 units  
9 Printer paper 1 unit  
10 Operating manual 1 unit  
11 Aluminium alloy box 1 unit 1 aluminium alloy box ≤60KV set;
2 aluminium alloy boxes ≥70KV set.
1 unit
12 Calibration report 1 unit  






 

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Gold Member Since 2012

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Manufacturer/Factory, Trading Company
Registered Capital
5000000 RMB
Plant Area
>2000 square meters