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GIS
MATERIALS
PORTABLE
TRANSFORMER
CIRCUIT
BREAKER
Liquid Dielectric Test Sets
TESTING APPLICATIONS
Measure the breakdown voltage of
insulation fluids used in transformers,
capacitors, bushings and related high
voltage equipment. With the appropriate
oil vessel test cell, these test sets are
designed to perform tests in accordance
with standards ASTM D1816, ASTM
D877, IEC 60156, BS 148, VDE 0370, plus
other applicable standards.
DESCRIPTION
Three standard models rated at 60, 75,
and 100 kV are available. The operating
controls are conveniently grouped on
the front panel and include a large,
easy-to-read digital voltmeter, on/off
switch with indicator light, rate of rise
selector switch, plus a start/reset switch.
The test compartment is provided with
a transparent cover interlocked to the
test circuit with a limit switch to ensure
full operating safety.
The test set is semi-automatic. The liquid
to be tested is placed in the test cell and
then placed in the test compartment
on the cradle contacts, the rate of rise
is selected, the test chamber lid closed,
and the switch moved to start position.
The test set will automatically raise the
voltage. When a breakdown of the liquid
occurs, the test sample failure lamp
will illuminate, and the meter will hold
the breakdown voltage level.
ENVIRONMENTAL
CONDITIONS
• 10-40°C, indoor/outdoor in fair
weather
• Humidity <95% non-condensing
• Altitude <3000 ft (1000 meters)
➤ Lightweight and ruggedly constructed for
yearsofeldorlabuse
➤ Economical liquid dielectric testing solution
➤ Simple set-up
➤ Semi-automatic operation
Model LD60
Model LD75
SAFETY and DESIGN FEATURES
• Center tapped high voltage transformer.
• Safety interlock engaged when lid is open.
• Fast acting relay ensures immediate cutout at ashover.
• Lamp indicating AC power on.
• Lamp indicating test sample breakdown.
• Fuses are located on the input to the test set and on the primary of
the high voltage transformer.
• Zero start interlock
• Memory voltmeter retains breakdown voltage.
• The test compartment is provided with outlet for convenient plug-in
of motor driven stirrer when testing to ASTM D1816 and VDE standards.
CABLE
SWITCHGEAR
Specications are subject to change without notice.
Brochure No. 10104
MOTOR
GENERATOR
G
INSULATION
RECLOSER
PROTECTIVE
EQUIPMENT
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MODEL LD60 LD75 LD100
120 V, 5 A 120 V, 5 A 120 V, 5 A
230 V, 2.5 A 230 V, 2.5 A 230 V, 2.5 A
INPUT
50 or 60 Hz
(Voltage and frequency required must be specied)
Voltage
OUTPUT
500/2000/3000 2000 Volts per Second, 2000 Volts per Second,
Volts per Second Variable Variable
RATE
continuous breakdown testing
DUTY
Range ~ 0-60 kV ~0-75 kV ~ 0-100 kV
Accuracy +/-1% of Full Scale +/-1% of Full Scale +/-1% of Full Scale
DIGITAL
Length 21.25” (540 mm) 30” (762 mm) 36” (914 mm)
Width 16.75” (426 mm) 18” (457 mm) 20” (508 mm)
Height 13.75” (350 mm) 13” (330 mm) 16” (406 mm)
Weight 51 lbs (23 kgs) 120 lbs (54 kgs) 135 lbs (61 kgs)
DIMENSIONS
Length 24” (610 mm) 40” (1016 mm) 40” (1016 mm)
Width 21” (533 mm) 30” (762 mm) 30” (762 mm)
Height 18” (457 mm) 32” (813 mm) 32” (813 mm)
SHIPPING
Weight 63 lbs (29 kgs) 220 lbs (100 kgs) 230 lbs (104 kgs)
Voltage / Current
Frequency
Maximum Voltage to Earth
selectable
OF RISE
CYCLE
MEMORY
VOLTMETER
& WEIGHTS
SIZE
0-60 kV at 500 VA
30,000 V 37,500 V 50,000 V
0-75 kV at 500 VA 0-100 kV at 500 VA
OPTIONS
TEST CELLS
TYPE TEST STANDARD TEST ELECTRODES GAP SETTING RATE OF RISE
TC/DE Polished brass disc .1”
(at electrodes) 1” (25 mm) diameter +/-0.0005”
TC/VDE Spherical dome .04” or .08”
(motorized with stirrer) 1.4” (36 mm) diameter +/-0.001”
Spherical dome 2.5 mm
36 mm (1.4”) diameter +/-0.1 mm
Spherical cap 2.5 mm
12.5 mm (.5”) diameter +/-0.1 mm
TC/IEC
TC/BS
Type TC/DE
Type
TC/VDE
ASTM D877
ASTM D1816
IEC 60156
BS 148
Type TC/BS
Type TC/IEC
High Voltage • High Current • High Power Test Systems and Components
R
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© Copyright – Phenix Technologies, Inc. 1/2013
3000 Volts per Second
500 Volts per Second
2000 Volts per Second
2000 Volts per Second
Liquid Dielectric
Comparison Unit
The LDCU is an AC voltmeter
which is used to make periodic
performance checks of the
system. See LDCU data sheet
for more details.
ISO 9001
C
E
R
TIFIED
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