Tettex MIDAS 2881, Operating Instructions Manual

Page: 102 / 164

92 Accessories and Options
8.4.1 10kV Resonating Inductor 5288A
The capacitive load range covered by the MIDAS system
can be increased using the Resonating Inductor.
Option “Resonating Inductor 5288A”
The following items are supplied with this option:
1 Inductor 5288A
1 High voltage link cable to MIDAS, 3m
Specification
Rated Voltage 10 kV @ 50/60Hz
max. up to 12kV @ low tan δ values of DUT
Frequency 50/60Hz
Max. Output Current 3.30 A @ 50Hz
2.75 A @ 60Hz
Max. Output Power 33 kVA
Inductance Range 9.7H .. 250H typical
Load tuning range 50 nF .. 1 uF @ 50 Hz
35 nF .. 0.7 uF @ 60 Hz
Duty Cycle at full load 50% at rated output poer over a 16h periode. Max. ON time 15 min.
PD level @ max. output < 500 pC
Operating temperature +5°C .. +50°C
Storage temperature -20°C .. +70°C
Humidity 5 .. 95% r.h., non-condensing
Weight Approx. 135 kg (297 lbs)
Dimensions 58 x 48 x 84 cm (22.8” x 19” x 33”)
Connection
Switch all power off before starting the connection
 Connect the MIDAS “HIGH VOLTAGE OUTPUT” with the supplied short yellow HV cable to the
“High Voltage Input” of the Resonating Inductor.

Connect the test object to the “High Voltage Output” of the Resonating Inductor with the standard
yellow HV cable (20m) of the MIDAS.
Check all the wirings.
Be aware of the fact that there are high voltage and also high current (10 kV, 5 A)
See also chapter “Application Guide : Measuring high cap values using the Resonating Inductor” for a
connection example.