IKI-50_1F R2

IKI-50_1F R2

Universal Feeder Control Units, single-field monitoring, pulsation method, wiper mode, resistive and capacitive voltage measurement

Item number: 2502352

The universal Feeder Control Unit IKI-50_1F R2 is the appropriate solution for... more
Product information "IKI-50_1F R2"

The universal Feeder Control Unit IKI-50_1F R2 is the appropriate solution for intelligent distribution network stations and offers distribution network operators a high level of transparency and cost-effectiveness. The IKI-50_1F R2 includes all algorithms for selective fault detection. It is suitable for all neutral point treatments. Switching commands for load switch control can be fed to the IKI-50_1F R2 via communication bus and executed field-related with 1.5-pole switching safety.

Fault detection

  • directional short-circuit detection
  • directional earth fault detection, directional static earth fault detection (wattmetric method), directional transient earth fault detection (wiper method), earth fault detection via pulse locating
  • suitable for all neutral point treatments
  • no summing transformer required

fault early detection

  • fault early detection by detection of transient disturbances
  • partial discharge trend detection together with CAPDIS-S2_55 (R5)

load flow measurement

  • voltages, Currents, powers, frequencies, cos-phi, . ..
  • Momentary and average values
  • Limit value monitoring

Remote control and network automation

  • selective control of up to two motors
  • extensive logic functions freely programmable with PC software KriesConfig

IKI- 50_F1 R2 is maintenance-free

  • no battery
  • unlimited data retention
  • error indication in case of power failure over 6 hours

precise voltage measurement with precision dividers

  • optional voltage measurement with precision dividers, z. E.g. resistive sensors
  • two voltage inputs: 1x capacitive, 1x resistive
  • patented method for voltage calibration via a reference measurement from another feeder

Information about vulnerabilities of this product can be reported and received on this website: te.com/productsecurity

Comparison of products

  IKI-50_1F R2
2502352
IKI-50_1F R2e
2502461
Level of digitalisation 2 1
Directional short-circuit detection I>>
Directional earth short-circuit detection Ie>>
Earth fault transient detection
Pulsation detection
Directional static earth fault detection Ie>;
Slave test
Relay outputs 6 4
Modbus-RTU
Modbus-RTU Slave
CT-supplied - -
Auxiliary power supply 24...230 VAC/DC (jeweils  15 %) 24...230 VAC/DC (jeweils  15 %)
Buffer of power supply Capacitor (6h) Capacitor (6h)
USB interface Mini-USB Mini-USB
Digital Inputs 6 4
Digital Outputs 4 4
Digital IOs configurable Yes Yes
Switching functions feeder control unit Switching of up to two load switches
1.5-pole switching
--
Digital outputs for 1.5 pole switching 2  
Voltage inputs 2 (1x LRM/CAPDIS, 1x precision 3.25V) 1 (LRM/CAPDIS)
Voltage measurement
Precision voltage measurement Yes  
Measuring range voltage Capacitive (Input F1), Precision divider with an output signal of 3.25 V/sqrt(3) in nominal operation (input UF2)  
Cross calibration -
Current measurement
Logic functions programmable A total of 32 logic rules can be programmed. A total of 32 logic rules can be programmed.
Balanced core CT optional - -
Stromwandlerliste für Vergleichstabelle IKI-LUM_d92 Split-Core Transducer with cable tie (set) | Ø 92mm (2512106_H001)
IKI-LUM_d92 Split-Core Transducer for C-Cone-Bushings (set) | Ø 92mm (2512106_H003)
IKI-LUM_d92 Split-Core Transducer for SIEMENS-Bushings (set) | Ø 92mm (2512106_H004)
IKI-LUM_d92 Split-Core Transducer with cable tie (set) | Ø 92mm (2512106_H001)
IKI-LUM_d92 Split-Core Transducer for C-Cone-Bushings (set) | Ø 92mm (2512106_H003)
IKI-LUM_d92 Split-Core Transducer for SIEMENS-Bushings (set) | Ø 92mm (2512106_H004)
TE trend monitoring
  • in conjunction with CAPDIS-S2_55 (R5)
  • Indication on the display, transmission via Modbus-RTU
  • Partial discharge trend via frequency distribution; integration over 24h, trend over 72h
  • in connection with CAPDIS-S2_55 (R5)
  • Indication on display, transmission via Modbus-RTU
  • Partial discharge trend via frequency distribution; integration over 24h, trend over 72h
Device data
Article number 2502352
Product designation IKI-50_1F R2
Number of feeders 1
Parameterization software KriesConfig
Configuration Via software Kries-Config (download at kries.com), Via HMI and display (limited)
Operating elements and display
Front display LC-Display and LEDs
Direction keys Operation via four direction keys
Red LED (1) Error event detected | internal energy storage empty
Yellow LED (2) Slave Test | Primary Test | Device Warnings
Dreen LED (3) Status message device state
Buffer of power supply Capacitor (6h)
Dimensions and installation instructions
Case height x width x depth 49 x 96 x 108 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 conditions
Operating temperature -25°C ... 55°C
Storage temperature -25°C ... 70°C
Humidity max. 95 % relative humidity at 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
Short circuit detection I>>
Directional short-circuit detection I>>
Threshold current short-circuit detection I>> 100 A ... 1,000 A (adjustable in steps)
Threshold time short-circuit detection I>> 40 ms ... 1,600 ms (adjustable in steps)
Earth short-circuit detection Ie>>
Directional earth short-circuit detection Ie>>
Threshold current earth short-circuit detection Ie>> 40 A ... 1,000 A (adjustable in steps)
Threshold time earth short-circuit detection Ie>> 40 ms ... 1,600 ms (adjustable in steps)
Directional static earth fault detection Ie>;
Threshold current static earth fault detection Ie> 2 A ... 30 A (adjustable in steps)
Directional transient earth fault detection Ie>
Threshold current transient earth fault detection 3I0 1 A ... 1,000 A (freely adjustable)
Threshold voltage transient earth fault detection 3U0 1 kV ... 300 kV (freely adjustable)
Earth fault detection via pulse locating
Pulse length of pulse locating symmetrical / asymmetrical
Transient fault detection IIe>
TE trend monitoring
  • in conjunction with CAPDIS-S2_55 (R5)
  • Indication on the display, transmission via Modbus-RTU
  • Partial discharge trend via frequency distribution; integration over 24h, trend over 72h
Fault reset Auto, Manually on the device, After time (1 h ... 8 h, configurable)
Event log The last 20 fault events are stored with event number, date, time, name of the triggering fault detection, fault direction, phase and fault current value.
Earth fault transient detection
Directional earth short-circuit detection
Interfaces and communication
USB interface Mini-USB
Modbus-RTU
Modbus-RTU Slave
Modbus transmission rates [kBd] 9600, 19200, 38400, 57600, 115200
Slave test
Digital Inputs 6
Potential-free digital inputs 4
Digital Outputs 4
Digital outputs for 1.5 pole switching 2
Digital IOs configurable Yes
Switching functions feeder control unit Switching of up to two load switches
1.5-pole switching
Connection cable cross section Max. 2,5 mm
Switching capacity relay AC: max. 62,5 VA max. 2A; max. 250 VAC
DC: max. 2A @ 40 VDC
Relay outputs 6
Voltage inputs 2 (1x LRM/CAPDIS, 1x precision 3.25V)
Current transformer 3
Measurement values and functions
Voltage measurement
Measuring range voltage Capacitive (Input F1), Precision divider with an output signal of 3.25 V/sqrt(3) in nominal operation (input UF2)
Phase-to-ground voltages
Phase to phase voltages
Measuring range voltage 0.02 kV ... 92 kV | Start of voltage measuring range: 2% of Un
Precision voltage measurement Yes
Accuracy voltage measurement Input UF1 (capacitive): 3 % of measurement value after on-site calibration
Input UF2 (resistive): 0.5 % of measurement value
Cross calibration
Current measurement
Measuring range current 0.5 A ... 1,158 A (with current transformer IKI-LUM)
Zero-sequence current
Accuracy current measurement 3 % of measurement value, optionally 1% of measurement value
Conductor currents
Active power
Reactive power
Apparent power
Rotary field detection
Frequency measurement
Mean value determination
Min-max value determination
Phase position
Phase shift cos-phi
Limit value monitoring Voltage, current, frequency, reactive power and voltage
Logic functions programmable A total of 32 logic rules can be programmed.
Power supply
Auxiliary power supply 24...230 VAC/DC (jeweils  15 %)
Power consumption 2 W
Insulation voltage 2 kV, 1 min
CT-supplied -
Display buffer for fault indication Unlimited data retention (independent of auxiliary power and buffer power);
Error display after power failure (depending on adjustable follow-up time):
  • with overrun time 12 seconds: 6 hours
  • with run-on time 60 seconds: 4.5 hours

Monitoring - failure forecast - failure detection:


The IKI-50_1F R2 in a typical grid application