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HVA30 - 4 in 1 Universal High Voltage Test System
It is well known that DC “proof” (or hipot) testing of aged extruded cable such as XLPE and EPR is potentially damaging to the cable
insulation, causing premature failure of the cable under service conditions. Space charges that develop during DC testing present potential
safety hazards to operators and may damage the cable or attached equipment if not discharged correctly.
In addition, DC testing has been found to be ineffective in detecting all but the most serious defects in cables.
Acceptance or maintenance hipot/proof testing using VLF high voltage sinusoidal AC allows the operator to effi ciently detect serious cable
insulation defects, before they result in an in-service failure, without affecting those healthy sections of the cable that still have remaining
service life.
Sinusoidal VLF testing can support effective dielectric diagnostic measurements that are not possible with DC voltages.
30 kV • VLF • DC • Jacket/Sheath • Fault Conditioning•
SAFETY FEATURES
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Short circuit protected
50Hz 12kV feedback protection
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Status display of all important
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safety functions and messages
Safe, easy to use operation with
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emergency off and key switch lockout
Fully integrated discharged circuit to
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safely ground the DUT (Device Under
Test) after testing
Zero start interlock
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Zero voltage switching
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OPERATIONAL FEATURES
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The smallest, lightest, most advanced universal high voltage
test instrument available, ideally suited for a variety of applications.
VLF (0.1Hz), DC (±), Cable Fault Conditioning (Burning), and
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Sheath/Jacket Testing modes all included.
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VLF: the proven and accepted replacement for the traditional
DC Hipot or “proof” test for solid dielectric cables such as
XLPE and EPR.
•
Fully automatic or manual cable test sequences complying
with International Standards/Guides such as IEEE 400.2, VDE
0276, CENELEC, HD620 S1, NEN 3620, SANS 10198 and IEC
60060-3.
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Meets all your cable testing requirements.
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True symmetrical sinusoidal, load independent, output wave-
APPLICATIONS
Cables: XLPE, PE, EPR, PILC etc.
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Capacitors
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Switchgear
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Transformers
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form across the full load range.
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Real-time Display of actual output wave form.
Easy to use, ergonomic, menu guided, large backlit user
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interface.
Rugged, one piece portability.
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Large output load capability (up to 12μF)
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Automatic and integrated load capacitance measurement
with optimum frequency selection.
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Storage of test results for later retrieval or download to a
PC/Laptop.
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No oil or arcing contacts that require routine maintenance.
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Short circuit protected with active arc management regulation that avoids the tripping of conventional HV test equipment when a dielectric failure occurs.
Rotating Machines (IEEE 433)
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Insulators
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Bushings
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The HVA30 is the most advanced HV test
DESIGN
market. The HVA30 has the highest power to weight ratio of any
comparable unit available.
There is no need to carry two pieces of equipment around and
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then interconnect them!
Apart from the variable frequency VLF output, the operator can
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also select dual polarity DC and cable jacket or sheath testing
output modes.
The applied test voltage, current, capacitance, resistance and
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time are displayed and recorded.
The instrument is easily programmable allowing the operator
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to setup or select test sequences in either automatic or manual
mode.
The HVA30 is capable of testing 0.5μF (Approx. 1500m /
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5,000ft of cable) at 0.1Hz and 23kV rms. The frequency of the
output can also be reduced allowing even larger capacitance
&
system available, it is also the lightest,
most compact instrument of its type on the
loads to be tested. At 0.02Hz, approx. 7620m / 25,000ft of
cable can be tested.
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To assist the operator, the instrument will automatically
calculate the optimum frequency to be selected for larger
loads.
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The load independent, symmetrical output waveform avoids
the potentially destructive space charge effects caused by DC
polarization that occurs in aged extruded cables such as XLPE
/ PE / EPR, causing them to fail prematurely when exposed to
conventional high voltage DC or from a test instrument with
large non-symmetrical output waveforms.
Should a breakdown occur during testing, the actual voltage
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at which it occurred is displayed and recorded. If cable burning
(fault conditioning) mode is activated, the fault resistance can
be conditioned to allow easier and less stressful fault location
techniques to be applied.
The results are stored in the instrument’s onboard memory
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allowing easy retrieval and download to a PC or USB drive.
TECHNICAL DATA
Input Voltage 110-230 V 50 / 60 Hz (400 VA)
Output Voltage Sinusoidal: 0-33 kV peak, symmetrical, 23kV rms
DC: ± 0-30 kV
Squarewave: 30kV
Accuracy: ± 1%; resolution: 0,1kV
Output Current 0-15mA (resolution 1μA), accuracy: ± 1 %
Resistance Range 0.1 MΩ ….5 GΩ
Output Frequency 0.01….0.1 Hz in steps of 0.01 Hz (default 0.1Hz) – auto frequency selection
Output Load 0.5μF @ 0.1Hz @ 23kV RMS (Approx 1,500m / 5,000ft of cable)*
1.0μF @ 0.05Hz @ 23kV RMS (Approx 3,000m / 10,000ft of cable)*
2.5μF @ 0.02Hz @ 23kV RMS (Approx 8,000m / 25,000ft of cable)*
12.0μF maximum Capacitance
* Based on a typical cable: 100pF/ft or 300pF/m
Output Modes AC (VLF) symmetrical and load independent across full range
DC (positive or negative polarity)
Burn / Fault Condition or Fault Trip Mode
Jacket / Sheath Testing
Protection 50 and 60Hz and RMS Voltage 12kV feedback protection
Input surge arrestors (use only voltage regulated generators)
Memory 50 test records stored in non-volatile built in memory
Metering Voltage and Current (True RMS and/or peak), Capacitance, Resistance, Time, Flashover Voltage
Duty Continuous - no thermal limitation for operating time.
HV Cable 4.5m (15’) with Alligator clamps on end (other options available on request)
Computer Interface RS232 connection (Software Included), USB Flash Drive
Temperature Storage: -25ºC to +70ºC Operating: -5ºC to +45ºC
Dimensions (LxWxH) 430 x 250 x 360mm
Weight 19.5 kg
ORDER CODES
PRODUCT DESCRIPTION PART NO.
*Standard HVA30 SH 0201
OPTIONAL ADD-ONS
TD 30 Tan Delta measurement system SH 0207
PD 30 Partial Discharge system SH 0220
Transport case VKR 0002
Protective cover set GH 0505
Vacuum bottle test fi rmware upgrade
(DC)
Discharge stick 60kV 1440R 9kJ GH 0604
Special leads available in various
voltages, lengths, and connectors
GH 0601
GH 0501/2/3/4 and
GH 0506/20/21
*STANDARD DELIVERY INCLUDES:
HVA30 Test System
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4.5m HV cable
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Earth cable
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USB memory stick
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HVA Control Centre
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Software
Operating manual
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