DOC. SIE10110 Rev. 6 Page 30 of33
Additional options: heavy duty plastic transport case.
The code PII55102 applies to options codes PII50102 and PII57102 (2000 A);
The codes PII55102 and PII56102 apply to options codes PII51102, PII52102, PII58102 and
PII59102 (higher currents).
3.12.8 High I DC module PII13102
The high DC current module allows the measurement of the low contact resistance of high voltage
breakers or of joints. The option is connected to the high AC current output of T2000; the current
measurement is connected to the low DC current measurement input; the drop voltage is connected
to the low voltage measurement input. DC current output is: 100 A steady; 200 A for 4 minutes;
400 A for 15 s.
NOTE: the option can be used only with the 230 V supply.
The selection of this function is performed via menu; the screen displays: test current; joint voltage;
contact resistance. Resistance measurement ranges: 100.0 uOhm, 1.000, 10.00, 100.0 mOhm; 1.000
Ohm, auto-ranging. The option includes two connection cables, with the following characteristics.
Measurement accuracy is summarized in the following table.
N. 2 High current connection cables, 100 sq. mm, 1 m long, for the connection to T2000.
Terminated on both sides with an high current connectors, M+F.
Dimensions: 285 mm (D) x 325 mm (W) x 295 mm (H) ; weight 20 kg.
3.12.9 SU3000 Safety device for the line impedance measurement, code ZII26102
With T2000 it is possible to measure the zero sequence coefficient of an overhead line, and the
coupling coefficient of parallel lines. Usually this parameter is computed, and an error can cause
false interventions of the distance relay.
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