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Universal fault indicator, directional
Item number: IKI-23
Item number: IKI-23
Properties The complete fault detection with all proven fault detection algorithms for all... more
Product information "IKI-23"
PropertiesThe complete fault detection with all proven fault detection algorithms for all network types and independent of auxiliary power makes the IKl-23 the universal fault and load monitor for standard ring cable switchgear. It combines all the functionalities of the IKl-2x series in one auxiliary power independent device.The IKI-23 can be used in distribution network stations with and without connection to the telecontrol level.
Directional and non-directional load flow and fault detectionFor directional fault and load flow measurement, connect a capacitive divider or a CAPDIS-Sx to the IKl-23.
- directional short-circuit detection
- directional ground short-circuit detection
- directional static ground fault detection (wattmetric method), directional transient ground fault detection (wiper method), earth fault detection via pulse locating
- suitable for all neutral point treatments
- no summing transformer required
Auxiliary power independentThe IKl-23 does not require auxiliary power for fault detection; an auxiliary power connection is only required for remote transmission via Modbus.
Integrated Diagnostic FunctionFor correct directional fault indication, verification of the correct rotating field or transformer installation is essential. The IKl-23 displays the rotating fields self-explanatory.
Basic setting with DIP switch or USBThe basic settings can be made via DIP switches behind the maintenance flap. With the software KriesConfig the complete parameterization can be done via USB interfaces.
Early fault detection
- Early fault detection by transient fault detection
- Partial discharge trend detection together with CAPDIS-S2_55 (R5). This function is available in the version with Modbus.
Event memoryThe device has an event memory with indication of the time duration, that has passed since the fault event. The event memory can be read out via Kries-Config and Modbus.
Step voltage warning The voltage difference between switchgear ground and a second (grounded) point is continuously monitored by the IKl-23. If a dangerous potential difference occurs between these points during, for example, an earth fault, a warning message is displayed and reported. Step voltage monitoring increases protection for personnel and animals and provides an indication of insufficient or disturbed station grounding.
Integrated LRM measuring point (optional)
The device has a three-phase LRM measuring point LRM module"" for retrofitting future expansion modules, phase comparison and rotating field direction measurement [e.g. using CAP phase)."
|Product designation||IKI-23 Universal fault indicator | directional|
|Number of feeders||1|
|Firmware||V13.0.2 or higher|
|Configuration||Via software Kries-Config (download at kries.com), Via DIP-switches behind front panel|
|Controls and display|
|Front display||LC-Display and LEDs|
|Red LED (1)||Error in direction of cable|
|Yellow LED (2)||Fehler in Richtung Sammelschiene|
|Dimensions and installation instructions|
|Case height x width x depth||50 x 98 x 97 mm|
|Cutout height x width||45 x 92 mm|
|Norm cutout dimensions||DIN IEC 61554:2002-08|
|Installation type||Panel mounting|
|Sheet thickness||1.5 ... 2.5 mm|
|Operating temperature||-25°C ... 55°C|
|Storage temperature||-25°C ... 70°C|
|Humidity||max. 95 % relative Feuchte bei 40° C|
|Protection class||IP54 (Front)|
|Fault detection and failure forecast|
|Fault detection||Individually selectable, any combinations possible|
|Star point types||Short-term low-ohmic terminated neutral, Low-ohmic terminated neutral, Inductive terminated neutral, Isolated neutral|
|Directional short-circuit detection I>>||✓|
|Threshold current short-circuit detection I>> [A]||100, 200, 300, 400, 600, 800, 1000, 2000|
|Threshold current short-circuit detection (I>>) adjustable via DIP [A].||400, 600, 800, 1000|
|Automatic response threshold Short circuit detection||✓|
|Threshold time short-circuit detection I>> [ms]||40, 60, 80, 150, 200|
|Threshold time short-circuit detection (I>>) adjustable via DIP [ms]||60|
|Waiting time after current switch-off (short-circuit detection) [ms]||0, 100, 400, 1200, 2000, 6000|
|Waiting time voltage switch-off (short-circuit detection) [ms]||0, 100, 400, 1200, 2000, 6000|
|Directional earth short-circuit detection Ie>>||✓|
|Threshold current earth short-circuit detection Ie>> [A]||40, 80, 100, 200|
|Threshold time earth short-circuit detection Ie>> [ms]||40, 60, 80, 150, 200|
|Directional static earth fault detection Ie>;||✓|
|Threshold current static earth fault detection Ie>||5 ... 30 A|
|Auxiliary power supply for directional static earth fault detection Ie>|
|Directional transient earth fault detection Ie>||✓|
|Threshold current transient earth fault detection 3I0 [A]||100, 200, 300, 500|
|Threshold voltage transient earth fault detection 3U0 [%]||20, 30, 50|
|Earth fault detection via pulse locating||✓|
|Pulse length of pulse locating||symmetrical / asymmetrical|
|Transient fault detection IIe>||✓|
|Step voltage monitoring||✓|
|TE trend monitoring||Execution with Modbus: |
|Fault reset||Auto, After 2h, 4h, Manually on the device, External potential-free normally open contact|
|Interfaces and communication|
|Remote signalling||4 potential-free contacts|
|Remote test||Function test including switching of the remote signalling contacts possible by connecting a potential-free normally open contact to the slave input.|
|Switching capacity relay||Umax 110 V AC/DC, Imax 100 mA|
|Connection of passive blinkers||Three passive blinkers with LEDs can be connected.|
|Measurement values and functions|
|Measuring range voltage||1..52 kV (depending on the LRM module used)|
|Measuring range current||5..2.000 A (short-term), max. continuous current 800 A|
|Rotary field detection||✓|
|Auxiliary power supply||24 … 230 V AC/DC (jeweils 15 %)|
|Power consumption||2 W|
|Insulation voltage||2 kV; 1 min|
|Notes on transformer supply|