• HVHIPOT 270kVA 270kV AC Series Resonant Test System for 170kV GIS
  • HVHIPOT 270kVA 270kV AC Series Resonant Test System for 170kV GIS
  • HVHIPOT 270kVA 270kV AC Series Resonant Test System for 170kV GIS
  • HVHIPOT 270kVA 270kV AC Series Resonant Test System for 170kV GIS
  • HVHIPOT 270kVA 270kV AC Series Resonant Test System for 170kV GIS

HVHIPOT 270kVA 270kV AC Series Resonant Test System for 170kV GIS

After-sales Service: YES
Warranty: 1
Connectors: USB
Test Mode: Saved Test
Usage: Power Cable
Test Region: Unformed
Customization:

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Basic Info.

Model NO.
GDTF-270kVA/270kV
Cable Type
Shielded
Power
Electricity
Certification
ISO
Customized
Customized
Color
Red
Output Voltage
270kv
Testing Frequency
30-300Hz
Transport Package
Wooden Case
Specification
SGS, ISO
Trademark
HV Hipot
Origin
China
HS Code
9030899090
Production Capacity
1000PCS/Year

Product Description

HVHIPOT 270kVA 270kV AC Series Resonant Test System for 170kV GIS
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.
 
 
Reactors
 
Test object
Reactors 
45kVA/45kV 6pcs
Output voltage of exciting transformer TESTING VOLTAGE
170KV GIS 6 pcs reactors  in series 16kV ≤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. Name Module No. & Specs Quantity
1 Exciting Transformer GDJL-15kVA/8/16kV/0.4kV 1 set
2 Variable frequency power supply GDTF-15kW/220/380V 1 set
3 HV Reactor GDDK-45kVA/45kV  6 pcs
4 Capacitive Divider GDFR-270kV/500pF 1 set
5 Connecting Cable   1 set
6 Factory Test Report   1 pc
7 User's Guide   1 pc

HVHIPOT 270kVA 270kV AC Series Resonant Test System for 170kV GIS

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