Wuhan Goldsol Co., Ltd.  

Product Name: 0.1Hz Vlf AC & DC High Voltage Hipot Tester for Power Cable Testing Model NO.: VLF-30/40/50/60/80/90/100 Vlf Hipot Test Set: Vlf AC Hipot 50kv Trademark: GOLDSOL Transport Package: Aluminum Box Inside and Plywood Case Outside Specification: CE Mark Origin: China HS Code: 90303900 Product Description VLF (Very Low Frequency) Hipot Testers are suitable for testing power cables, transformers, switchgear, rotating machinery and other electrical apparatus.-Micro-controller-Advanced digital frequency technology-Built-in printer-Discharge free-Portable-60mins Continous working-CE mark-Patent-5thgenerationVLF Advantages:1. Safe Optical isolation technology,2. Easiest to use Fully automatic microcontroller3. H/L voltage closed loop negative feedback control4. Built-in printer5. Built-in protective resistors 6. True sine wave output7. Real-time display of actual output waveform 8. Ergonomic, menu guided, large backlit LCD9. Storage of test results for later retrieval and print. 10. Over voltage and current protected11. Variable frequency 0.1Hz, 0.05Hz, 0.02 Hz, 0.01Hz (0.01Hz for optional)12. Data of current, voltage and waveform directly sampled at HV side.13. AC testing does not degrade good cable insulation14. Harmful space charges are not injected into the cable insulation15. No traveling waves are generated during testing16. Rugged and reliable design less prone to failure from transients17. Invatation Patent 18. Portable, 1 control unit and 1 booster or 2 boosters (≥60KV set)19. CE mark.Safety Features1. Short circuit protected.2. Status display of all important safety functions and messages.3. Safe, easy to use operation with emergency off and key switch lock-out.4. Fully integrated discharge circuit to safely ground the DUT after testing.5. Zero start interlock.6. Zero voltage switching.Specifications1.Power: 220V± 10% AC, 50/60Hz, single phase; 2. AC Output-Voltage:30/40/50/60/70/80/90/100KVpeak (DC output for optional);3.Output frequency: 0.1Hz, 0.05Hz, 0.02 Hz, 0.01Hz (0.01Hz for option);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:Controlunitand Booster(there are 2 boosters for ≥60KV set) 9. Ambient conditions of use: temperature Indoor and outdoor : -10ºC ~+50ºC. 10. Humidity:≤85% 12.Test set includes: 1 controller + 1 or 2 boosters + 1 capacitor (Device under testing for demo).Model noOutputVoltage/Current(Peak)Load CapacityControl UnitBoosterPowerCapacitance/FreuencyNet Dim.(cm)Net Wt(kg)Net Dim.(cm)Net Wt(kg)VLF-3030KV/20mA0.1 Hz, ≤1.1µF0.05Hz, ≤2.2µF0.02Hz, ≤5.5µF40×24×31 634×16×30251000WVLF-4040KV/20mA0.1 Hz, ≤1.1µF0.05Hz, ≤2.2µF0.02Hz, ≤5.5µF40×24×31 644×18×37401200WVLF-5050KV/30mA0.1 Hz, ≤1.1µF0.05Hz, ≤2.2µF0.02Hz, ≤5.5µF40×24×31 644×19×37451500WVLF-6060KV/59mA0.1Hz ≤ 0.5uF0.05Hz ≤ 1.0uF0.02Hz ≤ 2.5uF40×24×31 645×20×3834×16×3045+252000WVLF-7070KV/59mA0.1Hz ≤ 0.5uF0.05Hz ≤ 1.0uF0.02Hz ≤ 2.5uF40×24×31 645×20×3834×16×3045+252500WVLF-8080KV/59mA0.1Hz ≤ 0.5uF0.05Hz ≤ 1.0uF0.02Hz ≤ 2.5uF40×24×31 645×20×3834×16×3045+253000WVLF-90 90KV/59mA0.1Hz ≤ 0.5uF0.05Hz ≤ 1.0uF0.02Hz ≤ 2.5uF40×24×31 646×22×3845×20×3845+453500WVLF-100 100KV/59mA0.1Hz ≤ 0.5uF0.05Hz ≤ 1.0uF0.02Hz ≤ 2.5uF40×24×31 650×25×4045×20×3845+554000WAccessariesSr no. DescriptionQuantity 1Control unit1unit 2Booster ≤50KV set1unit≥60KV set2unit 3Capacitor (0.04µF)1unit 4Discharge rod1unit 5HV Test/Connection cables1set 6Earth cable1unit 7Power supply cable1unit 8Fuse2units 9Printer paper1unit10Operating manual 1unit11Factory's Calibration report1unit