Vlf High Voltage Tester Integrated Tangent Test

• Customization: Available
• After-sales Service: Life Time Maintenance
• Warranty: One Year
• Model NO.: VLF-40TD
• Max Diameter of Workpiece: <500mm
• Mass Scope of Workpiece: 0-40kv
• Type: Power Test Equipment
• Maxcapacity: 0-40kv
• Accuracy Grade: 0.5
• Load Way: 0-40kv
• Loading Method: 0-40kv
• Display: Colour Touch LCD
• Control: Computer Control
• Weight: 30kg
• Power Source: AC220V
• Oil Cylinder Position: 0-40kv
• Output Frequency: 0.1Hz-0.01Hz
• Transport Package: Wooden Case
• Specification: CE mark
• Trademark: GOLDSOL
• Origin: China
• HS Code: 9030390009
• Production Capacity: 100 Units
• Package Size: 40.00cm * 50.00cm * 60.00cm
• Package Gross Weight: 50.000kg

Product Description

VLF Advantage

1.AC Withstand voltage testing, Voltage & current curve display.

2.Tan delta (tgδ test for option), 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.

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 for option

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: 0.1pc-5000pc
  2) Partial discharge detection sensitivity: 0.1pc
  3) Capacitance range: 0.001μF-10μF
  4) Sampling bits: 12 bits
  5) Sampling speed: 200M/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 or 0-20mA
  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-40TD	40KV/30mA	0.1Hz-0.01Hz Auto Variable Capacity:≤10µF	46×31×50	35	--	--	1000W
VLF-80TD	80KV/59mA	0.1Hz-0.01Hz Auto Variable Capacity:≤5µF at 80KV	46×31×50	35	36x19×45	45	3000W

       
 







Analysis of Tan delta test results (IEE400.2)




Field connection diagram
          It gives 80KV output when external connecting 40KV tank.
              
Package for transport

1) 40KV test set:

Sr no	Name of Commodity	Qty	N.W	G.W	Transport size (LxWxH)
1	40KV test set Including 1 capacitor	1 unit	35 kg	50 kg	580x400x500mm
Total:		1 set	35 kg	50 kg	0.12 m^3
Packed in 1 wooden case.

 
 2) 80KV test set:

Sr no	Name of Commodity	Qty	N.W	G.W	Transport size (LxWxH)
1	Controll part	1 unit	35 kg	50 kg	550x400x500mm
2	Tank	1 unit	45 kg	69 kg	470x430x720mm
	Capacitor	1 unit	4 kg
	Aluminum alloy box	1 unit	6 kg
Total:		1 set	90 kg	119 kg	0.26 m^3
Packed in 2 wooden cases.

Accessories

Sr no.	Description	Quantity		Remarks
1	Control part	1	unit
2	Booster  (Tank)	1	unit	No tank for 40KV
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	No this item for 40KV
12	Calibration report	1	unit