0.1Hz Vlf High Voltage Hipot Hv Tester Integrated with Tan Delta Tangent Testing

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.
24. Remote control system
AC & DC withstand voltage display 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:
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 (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)
True LCD screenshoot test results
Analysis of Tan delta test results (IEE400.2)
Partial discharge (PD) testing
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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