Vlf High Voltage Tester with Partial Discharge Pd Test

Vlf High Voltage Tester with Partial Discharge Pd Test

US$5,000.00-25,000.00 1 Piece (MOQ)

Basic Info.

Model NO.
VLF-80P
Output Frequency
0.1Hz-0.01Hz
Transport Package
Aluminum Box Inside and Plywood Case Outside
Specification
CE Mark
Trademark
GOLDSOL
Origin
China
HS Code
9030390009
Production Capacity
50 Sets/Month

Packaging & Delivery

Package Size
40.00cm * 50.00cm * 60.00cm
Package Gross Weight
60.000kg

Product Description

VLF (Very Low Frequency) Hipot Testers are suitable for testing power cables, transformers, switchgear, rotating machinery and other electrical apparatus.
The "VLF-P" series supply AC withstand voltage testing + PD(pc) + Capacity(μF).
For buyer's option:
1.Tan delta (tgδ test).
2."IEE 400.2" Analysis of Tan delta test result (for buyer's option) .
3.DC withstand voltage testing.
-Micro-controller
-Advanced digital frequency technology
-Built-in printer
-Discharge free
-Portable
-60mins Continous working
-CE mark
-Patent
-5th generation
AC & DC withstand voltage testing interface:
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 . 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.
24. Remote control system
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 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: 10MΩ
13.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: 0.001μF-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 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-30P 30KV/20mA 0.1Hz-0.01Hz
Auto Variable
Capacity:≤10µF
40×31×20 6 29x15×35 25 1000W
VLF-40P 40KV/20mA 0.1Hz-0.01Hz
Auto Variable
Capacity:≤10µF
40×31×20 6 29x15×35 25 1200W
VLF-50P 50KV/30mA 0.1Hz-0.01Hz
Auto Variable
Capacity:≤10µF
40×31×20 6 45×19×36 45 1500W
VLF-60P 60KV/59mA 0.1Hz-0.01Hz
Auto Variable
Capacity:≤5µF at 60KV;
40×31×20 6 45×19×36
45 2000W
VLF-80P 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-90P 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

Field connection diagram (Test object: cable)
True LCD screenshoot test results
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).

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.

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.

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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