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China, Chinese HVHIPOT 270kVA 270kV AC Series Resonant Test System for 170kV GIS1 Industrial Products Supplier Manufacturer Details, price list catalog:
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Test InstrumentCable TesterResonance Test SystemAC Resonant Test
HV Hipot Electric Co., Ltd.
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Product Description I. Test Object and RequirementGDTF-270/270 is applied for: AC hipot test on 170kV GIS, the testing frequency is 30~300Hz, testing voltage is less than 270KV, the testing time is 1min. II. Working Environment Environmental temperature-10oC to 50oCRelated humidity≤ 90% RHAltitude≤1000m III. Technical Data Rated capacity270kVAInput power supplysingle phase 220V or three phase 380V; 50HzRated voltage270kVRated current1.0 AWorking Frequency30-300HzOutput waveformsine waveWaveform distortion rate≤1%Working timeconstant working of 15mins under rated load. Working of 1min, under 1.1 times of rated voltageTemperature rise≤65K after constant working of 15mins under rated loadQuality factorQ ≥30 (f=45Hz)Protective functionOver-current, over-voltage and flashover protections for test object.Accuracy1.5% (RMS) IV. Applied standard GB10229-88 ReactorGB1094 Power transformersGB50150-2006 Standard for hand-over test of electric equipment installation engineeringDL/T 596-1996 Preventive test regulation of electric equipmentGB1094.1-GB1094.6-96 Protection class of ShellGB2900 Electro-technical terminologyGB/T16927.1~2-1997 High voltage Testing TechniqueV. Capacity Determination of the equipmentThe capacity is calculated as 270kVA/270kV, 10pcs reactors, each reactor is 45kVA/45kV/1A/110H. The reactors used in parallel or series meets the testing requirements. Reactors Test objectReactors 45kVA/45kV 6pcsOutput voltage of exciting transformerTESTING VOLTAGE170KV GIS6 pcs reactors in series16kV≤270kV VI. Parameters for Individual Parts 1. Exciting Transformer GDJL-15kVA/16kV/0.4kV (1 set) Rated capacity15kVAInput voltage0-400V, single phaseOutput voltage16kVTypeDry type transformerWeightApprox. 58kg2. Variable frequency power supply GDTF -15kW/220/380V (1 set) Rated output capacity15kWWorking power supply220/380±10%V(3-phase), power frequencyOutput voltage0-400V, single phaseRated input current37.5ARated output current37.5AVoltage resolution0.01kVVoltage measuring accuracy1.5%Frequency adjusting range30-300HzFrequency adjusting resolution≤0.1HzFrequency stability0.1%Working timeConstant working of 15mins under rated capacityTemperature rise≤ 65K after constant working of 5mins under rated capacityNoise≤50dBWeightApprox. 20kgIt can realize below functions:a. The Variable frequency power supply can be placed in lengthways and in horizontal, suitable for on-site operation. b. High stability and reliability. With robust aluminum case and damping rubber support leg, easy for transportation. c. Touch screen LCD display, or external mouse can be connected.It shows below parameters,Resonance voltage(target voltage), test frequency, measurement frequency, LV voltage, LV current, Withstand voltage time, over-voltage and over-current protection, flashover protection, voltage boosting and timing, operation mode switching, capacitance/inductance/frequency calculation, parameter query, frequency curve and voltage curve. d. Parameters setting and selectionStarting frequency, end frequency, starting voltage, voltage boosting and timing, voltage divider ratio measurement, exciting transformer ratio, over-voltage and over-current protection, flashover protection, test mode, capacitance/inductance/frequency calculation, prompt and help. e. Test mode: touch screen/external mouse operation, Auto/Semi-auto/Manual and other modes selection. f. Protection function and information tipsHV over-voltage protection, LV over-current, over-current protection and Non-resonance protection, zero and flashover protection, emergency stop, low voltage protection. g. Data storage function: Test result save(manual save), print, upload and return.1) The test result can show the detail parameters during the testing. When the testing is interrupted, the status can be prompted. 50pcs test results can be saved.2) The saved data can be showed on the screen. With USB port, data can be output to print or printed directly by the equipment.(Printer is for option, please specify it before place the order.) h. Auto stabilivolt function. Voltage stability up to 1.0%.i. Frequency adjusting range and resolution can be set. Frequency adjusting range can be set at 30-300Hz, 45-100Hz, 200-300Hz as requirements.Frequency resolution can be set at 0.1Hz, 0.2Hz, 0.5Hz, or 1.0Hz. Obtain optimized balance between efficiency and accuracy of harmonic adjusting.j. Coarse tuning and fine tuning for frequency. Search resonance point automatically. 3. HV Reactor GDDK-45kVA/45kV (6 pcs) Rated capacity45kVARated voltage45kVRated current1.0AInductance110H (per piece)Quality factorQ ≥30 (f=45Hz)TypeDry typeWeightApprox. 45kg4. Capacitive Divider GDFR-270kV/500pF (1 set) Rated voltage270kVCapacitance500pFDielectric losstgσ ≤0.5%Divider ratio3000:1Measuring accuracy1.5%WeightApprox. 26kg VII. Product included No.NameModule No. & SpecsQuantity1Exciting TransformerGDJL-15kVA/8/16kV/0.4kV1 set2Variable frequency power supplyGDTF-15kW/220/380V1 set3HV ReactorGDDK-45kVA/45kV 6 pcs4Capacitive DividerGDFR-270kV/500pF1 set5Connecting Cable 1 set6Factory Test Report 1 pc7User's Guide 1 pc
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