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Vlf High Voltage Hipot Hv Tan Delta Tangent Partial Discharge Pd Diagnostics1
Test InstrumentVery Low Frequency High Voltage TesterVlf High Voltage Generator
GOLDSOL(WUHAN)HIPOT TEST EQUIPMENT FACTORY
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Product Description VLF (Very Low Frequency) Hipot Testers are suitable for testing power cables, transformers, switchgear, rotating machinery and other electrical apparatus.The "VLF-M" series supply AC & DC withstand voltage testing + tgδ test + Capacity(μF) + IR(Ω) + PD(pc).-Micro-controller-Advanced digital frequency technology-Built-in printer-Discharge free-Portable-60mins Continous working-CE mark-Patent-5th generationAC & DC withstand voltage testing interface:VLF Advantage1.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.4.DC withstandi voltage test,DC leakage current measurement.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 screen14. 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 optionSpecification1.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: 10MΩ13.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: 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 noOutputVoltage/Current(Peak)Load CapacityControl UnitBooster(Tank)Power Capacitance/FreuencyNet Dim.(cm)Net Wt (kg)Net Dim.(cm)Net Wt(kg)VLF-40M 40KV/20mA0.1Hz-0.01HzAuto VariableCapacity:≤10μF40×31×20 629x15×35251200WVLF-50M 50KV/20mA0.1Hz-0.01HzAuto VariableCapacity:≤10μF40×31×20 629x15×35251500WVLF-60M 60KV/59mA0.1Hz-0.01HzAuto VariableCapacity:≤5μF at 60KV;40×31×20 645×19×36452000WVLF-80M 80KV/59mA0.1Hz-0.01HzAuto VariableCapacity:≤5μF at 80KV;Capacity:≤10μF for single booster (40/40KV)40×31×20 629x15×35 253000W36x19×45 45VLF-90M 90KV/59mA0.1Hz-0.01HzAuto VariableCapacity:≤5μF at 90KV;Capacity:≤10μF for singlebooster (40/50KV)40×31×20 629x15×35 253500W36x19×45 45 Function comparison of VLF series models Output(Peak)StructureModel noAC Withstand Voltage TestTan Delta TestPD TestCapacity(μF)InsulationResistanceTest (IR)30KV1*Controller1*30KV Booster 1*CapacitorVLF-30√XXXXVLF-30T√√X√√VLF-30P√X√√XVLF-30M√√√√√40KV1*Controller1*40KV Booster 1*CapacitorVLF-40√XXXXVLF-40T√√X√√VLF-40P√X√√XVLF-40M√√√√√50KV1*Controller1*50KV Booster 1*CapacitorVLF-50√XXXXVLF-50T√√X√√VLF-50P√X√√XVLF-50M√√√√√60KV1*Controller1*60KV Booster 1*CapacitorVLF-60√XXXXVLF-60T√√X√√VLF-60P√X√√XVLF-60M√√√√√70KV1*Controller1*30KV Booster1*40KV Booster 1*CapacitorVLF-70√XXXXVLF-70P√X√√X80KV1*Controller1*30KV Booster 1*50KV Booster1*Capacitor, or1*Controller2*40KV Booster 1*CapacitorVLF-80√XXXXVLF-80T√√X√√VLF-80P√X√√XVLF-80M√√√√√90KV1*Controller1*40KV Booster1*50KV Booster 1*CapacitorVLF-90√XXXXVLF-90T√√X√√VLF-90P√X√√XVLF-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 resultsAnalysis of Tan delta test results (IEE400.2)Partial discharge (PD) testingPackage for transport : 1) 30KV/40KV test set:Sr noName of Commodity QtyN.WG.WTransport size(LxWxH)1 Controller 1 unit5 kg52 kg450x380x800mmCapacitor 0.04μF1 unit5 kgBooster I (30/40KV)1 unit25 kgAluminum alloy box1 unit5kgTotal:1 set40 kg52 kg0.14 m3Packed in 1 wooden case.2) 50KV/60KV test set:Sr noName of Commodity QtyN.WG.WTransport size(LxWxH)1 Controller 1 unit5 kg80 kg470x430x950mmCapacitor 0.04μF1 unit5 kgBooster I (50/60KV)1 unit45 kgAluminum alloy box1 unit5kgTotal:1 set60 kg80 kg0.19 m3Packed in 1 wooden case. 2) 70KV/80KV test set:Sr noName of Commodity QtyN.WG.WTransport size(LxWxH)1 Controller 1 unit5 kg52 kg450x380x800mmCapacitor 0.04μF1 unit5 kgBooster I (30/40KV)1 unit25 kgAluminum alloy box1 unit5kg2Booster II (40/50KV)1 unit45 kg69 kg470x430x720mmAluminum alloy box 1 unit6 kg Total:1 set91 kg121 kg0.29 m3Packed in 2 wooden cases.AccessoriesSr no.DescriptionQuantityRemarks1Control unit1unit 2Booster I (Tank I)1unit1 Booster if ≤60KV set;2 boosters for ≥70KV set.Booster II (Tank II)1unit3Capacitor (0.04μF)1unitUsed as Capacity supplement, or test object for demo4Discharge rod1unit 5HV Test/Connection cables1set 6Earth cable1unit 7Power supply cable1unit 8Fuse2units 9Printer paper1unit 10Operating manual 1unit 11Aluminium alloy box1unit1 aluminium alloy box ≤60KV set;2 aluminium alloy boxes ≥70KV set.1unit12Calibration report1unit
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