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HV Hipot Electric Co., Ltd.

Resonance Test Systems, Hv Cable AC Resonance Test Systems, Cable AC Resonance Test manufacturer / supplier in China, offering GDTF-270/270 AC Resonant Test System, Automatic AC Hipot Test Set, Ohmmeter — — Contact Resistance Test Set GDHL-100 and so on.

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Supplier Homepage Product HV Resonant Test System GDTF-270/270 AC Resonant Test System

GDTF-270/270 AC Resonant Test System

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shanghai, China
Production Capacity: 1000PCS/Year
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: GDTF-270kVA/270kV
  • Test Mode: Saved Test
  • Test Region: Unformed
  • Power: Electricity
  • Color: Red
  • Testing Frequency: 30-300Hz
  • Transport Package: Wooden Case
  • Origin: China
  • Connectors: USB
  • Usage: Power Cable
  • Cable Type: Shielded
  • Customized: Customized
  • Output Voltage: 270kv
  • Trademark: HV Hipot
  • Specification: SGS, ISO
  • HS Code: 9030899090
Product Description
I. Test Object and Requirement
GDTF-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 50ºC
Related humidity: ≤ 90% RH
Altitude: ≤1000m
III. Technical Data
Rated capacity: 270kVA
Input power supply: single phase 220V or three phase 380V; 50Hz
Rated voltage: 270kV
Rated current: 1.0 A
Working Frequency: 30-300Hz
Output waveform: sine wave
Waveform distortion rate: ≤1%
Working time: constant working of 15mins under rated load. Working of 1min, under 1.1 times of rated voltage
Temperature rise: ≤65K after constant working of 15mins under rated load
Quality factor: Q ≥30 (f=45Hz)
Protective function: Over-current, over-voltage and flashover protections for test object.
Accuracy: 1.5% (RMS)
IV. Applied standard
GB10229-88      Reactor
GB1094          Power transformers
GB50150-2006  Standard for hand-over test of electric equipment installation engineering
DL/T 596-1996    Preventive test regulation of electric equipment
GB1094.1-GB1094.6-96   Protection class of Shell
GB2900                 Electro-technical terminology
GB/T16927.1~2-1997     High voltage Testing Technique
V. Capacity Determination of the equipment
The 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.
Test object
45kVA/45kV 6pcs
Output voltage of exciting transformerTESTING VOLTAGE
170KV GIS6 pcs reactors  in series16kV≤270kV
VI. Parameters for Individual Parts
1. Exciting Transformer  GDJL-15kVA/16kV/0.4kV   (1 set)
Rated capacity: 15kVA
Input voltage: 0-400V, single phase
Output voltage: 16kV
Type: Dry type transformer
Weight: approx. 58kg
2. Variable frequency power supply  GDTF -15kW/220/380V  (1 set)
Rated output capacity: 15kW
Working power supply: 220/380±10%V(3-phase), power frequency
Output voltage: 0-400V, single phase
Rated input current: 37.5A
Rated output current: 37.5A
Voltage resolution: 0.01kV
Voltage measuring accuracy: 1.5%
Frequency adjusting range: 30-300Hz
Frequency adjusting resolution: ≤0.1Hz
Frequency stability: 0.1%
Working time: constant working of 15mins under rated capacity.
Temperature rise: ≤ 65K after constant working of 5mins under rated capacity.
Noise: ≤50dB
Weight: approx. 20kg.
It 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 selection
Starting 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 tips
HV 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 capacity: 45kVA
Rated voltage: 45kV
Rated current: 1.0A
Inductance: 110H (per piece)
Quality factor: Q ≥30 (f=45Hz)
Type: Dry type
Weight: approx. 45kg
4. Capacitive Divider  GDFR-270kV/500pF  (1 set)
Rated voltage:270kV
Capacitance: 500pF
Dielectric loss: tgσ ≤0.5%
Divider ratio: 3000:1
Measuring accuracy: 1.5%
Weight: approx. 26kg 
VII. Product included
No.NameModule No. & SpecsQuantity
1Exciting TransformerGDJL-15kVA/8/16kV/0.4kV1 set
2Variable frequency power supplyGDTF-15kW/220/380V1 set
3HV ReactorGDDK-45kVA/45kV 6 pcs
4Capacitive DividerGDFR-270kV/500pF1 set
5Connecting Cable 1 set
6Factory Test Report 1 pc
7User's Guide 1 pc

GDTF-270/270 AC Resonant Test System
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