Wuhan Goldsol Co. Ltd.
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Name: Mr.Luo
Tel: 86-27-82423362
Fax: 86-27-82949301
E-mail: goldsol@foxmail.com
Add: No.128 Sanyang Road Wuhan CN
MSN: goldsol@outlook.com
Skype: Gogoluo; (WeChat: lzping8)
QQ: 1121620921 (WeChat: lzping8)
MSN: goldsol@outlook.com SKYPE: Gogoluo;     (WeChat: lzping8) QQ: 1121620921 (WeChat: lzping8)

Products

VLF Hipot Tester with Tan dleta & PD testing

VLF Hipot Tester with Tan dleta & PD testing VLF Hipot Tester with Tan dleta & PD testing VLF Hipot Tester with Tan dleta & PD testing
Product name:VLF Hipot Tester with Tan dleta & PD testing
Item:VLF-50M
Details:
VLF Advantage
1. AC/DC Withstand voltage testing.
2. Tan delta (tgδ test), capacitance (μF) and IR () Test without external device .
3. Partial discharge testing without external device.
4. Safe Optical isolation technology.
5. Easiest to use Fully automatic microcontroller.
6. H/L voltage closed loop negative feedback control circuit, output no capacity rise effect.
7. Built-in printer.
8. Built-in protective resistors.                               
9. Colour Touch LCD operation, True sine wave output.
10. Real-time display of actual output waveform.        
11. Ergonomic, menu guided, large colour touch screen
12. Storage of test results for later retrieval and print.                        
13. Over voltage and current protected.
14. Variable frequency 0.1Hz, 0.05Hz, 0.02 Hz, 0.01 Hz (auto variable frequency).
15. 60 mins continuous working;
16. Data of current, voltage and waveform directly sampled at HV side.
17. AC voltage & current curve display; DC voltage curve display.
18. Harmful space charges are not injected into the cable insulation.
19. No traveling waves are generated during testing.
20. Rugged and reliable design less prone to failure from transients.
21. Invatation Patent                                                    
22. Portable: Control unit + Booster (Tank)
23. CE mark.
24. IEE 400.2 Analysis software of Tan delta test result (for buyers option).
 
Specification

1.Power: 220V ± 10% AC (110V can be customized), 50/60Hz, single phase;

2.Output-Voltage (Peak): 0 to rated value (50KV);

3.Output frequency: 0.1Hz, 0.05Hz, 0.02 Hz, 0.01 Hz (auto variable frequency);

4. Stability of frequency: Fluctuation < 0.5%;

5. Measurement accuracy: ±3%;

6. Positive and negative voltage peak error: ≤3%;                              

7. Voltage waveform distortion: ≤5%;                                  

8. Construction: 1 Control unit + 1 Booster (50KV set);

9. Ambient conditions of use: temperature Indoor and outdoor : -10ºC  + 50ºC.          

10. Humidity:≤85%  

11. Technical indexes of VLF dielectric loss (tgδ test):

1) Test voltage range: 0 to rated value (50KV)

2) Dielectric loss test frequency: 0.1Hz

3) Measurement range: 0.01×10-3- 5000.00×10-3

4) Dielectric loss resolution: 1x10-4

5) Dielectric loss resolution: 1x10-5

6) Capacitance measurement range: 0.01μF-10μF

7) Celectric capacity resolution: 0.01μF

8) Current measurement range: 0–59mA

9) Insulation resistance: 1MΩ-25122MΩ (25.122GΩ)

10) Insulation resistance resolution: 1MΩ

 
12.Main technical indexes of VLF PD test
1) Partial discharge measurement range: 0.01pc-200pc
2) Partial discharge detection sensitivity: 0.01pc
3) Capacitance range: 0.01μF-10μF
4) Sampling bits: 12 bits
5) Sampling speed: 12M/S


 
Table: The VLF-M series supply AC/DC withstand voltage testing + tgδ test + Capacity(μF) + IR() + PD(pc):

 
Model no
Output
Voltage/
Current
(Peak)
Load Capacity
Control Unit
Booster
Power 
Capacitance/
Freuency
Net Dim.
(cm)
Net Wt
 (kg)
Net Dim.
(cm)
Net Wt
(kg)
VLF-30M
 30KV/20mA

0.1Hz-0.01Hz
Capacity:≤10µF
Auto Variable

40×24×31
  6
34×16×30
25
1000W
VLF-40M
 40KV/20mA

0.1Hz-0.01Hz
Capacity:≤10µF
Auto Variable

40×24×31
  6
44×18×37
40
1200W
VLF-50M
 50KV/30mA

0.1Hz-0.01Hz
Capacity:≤10µF
Auto Variable

40×24×31
  6
 
44×19×37
 
45
1500W
VLF-60M
 60KV/59mA

0.1Hz-0.01Hz
Capacity:5µF
Auto Variable

40×24×31
  6
45×20×38
34×16×30
45+25
2000W
VLF-70M
 70KV/59mA

0.1Hz-0.01Hz
Capacity:5µF
Auto Variable

 40×24×31
  6
45×20×38
34×16×30
45+25
2500W
VLF-80M
 80KV/59mA

0.1Hz-0.01Hz
Capacity:5µF
Auto Variable

40×24×31
  6
45×20×38
34×16×30
45+25
3000W
VLF-90M
 90KV/59mA

0.1Hz-0.01Hz
Capacity:5µF
Auto Variable

40×24×31
  6
46×22×38
45×20×38
45+30 
3500W
VLF-100M 
100KV/59mA

0.1Hz-0.01Hz
Capacity:5µF
Auto Variable

40×24×31
  6
50×25×40
45×20×38
45+45
4000W
                
 
Function comparison of VLF series models
Output
(Peak)
Model no
AC/DC Withstand Voltage Test
Tan Delta (tgδ)Test
PD Test
Capacity
(μF)
Insulation
Resistance
Test (IR)
 
 

30KV

VLF-30

X
X
X
X

VLF-30T

X

VLF-30P

X
X

VLF-30M

 
 

40KV

VLF-40

X
X
X
X

VLF-40T

X

VLF-40P

X
X

VLF-40M

 
 

50KV

VLF-50

X
X
X
X

VLF-50T

X

VLF-50P

X
X

VLF-50M

 
 

60KV

VLF-60

X
X
X
X

VLF-60T

X

VLF-60P

X
X

VLF-60M

 
 

70KV

VLF-70

X
X
X
X

VLF-70T

X

VLF-70P

X
X

VLF-70M

 
 

80KV

VLF-80

X
X
X
X

VLF-80T

X

VLF-80P

X
X

VLF-80M

 
 

90KV

VLF-90

X
X
X
X

VLF-90T

X

VLF-90P

X
X

VLF-90M

 
 

100KV

VLF-100

X
X
X
X

VLF-100T

X

VLF-100P

X
X
 

VLF-100M

 
 
Analysis software of Tan delta test results (IEE400.2)
 



Field connection diagram (Test object: cable)
                                  

  Package for transport (50KV test set):

Sr no
 Name of Commodity
 Qty
 N.W
 G.W
Transport size
(LxWxH)
 
1
 
Controller
1 unit
5 kg
 
82 kg
 
450x490x950mm
Capacitor 0.04µF
1 unit
5 kg
Booster I (50KV tank)
1 unit
45 kg
Aluminum alloy box
1 unit
5kg
                     Total:
1 set
60 kg
82 kg
0.21 m3
                                               
Packed in 1 wooden case.


Accessories
Sr no.
     Description
Quantity
Remarks
  1
Control unit
1
unit
 
  2
Booster I (Tank I)
1
unit
1 Booster if 50KV set;
2 boosters for 60KV 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 50KV set;
2 aluminium alloy boxes 60KV set.
1
unit
 
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