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 intelligent... more

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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

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Device data
Article number	2502352
Product designation	IKI-50_1F R2
Number of feeders	1
Firmware	Version V54.0.0 or higher
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
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
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)
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.
Interfaces and communication
USB interface	Mini-USB
Modbus-RTU Slave	✓
Modbus transmission rates [kBd]	9600, 19200, 38400, 57600, 115200
Digital Inputs	6
Potential-free digital inputs	4
Digital Outputs	6
Digital outputs for 1.5 pole switching	2
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
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
Accuracy voltage measurement	Input UF1 (capacitive): 3 % of measurement value after on-site calibration Input UF2 (resistive): 0.5 % of measurement value
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	A total of 32 logic rules can be programmed.
Switching functions	Switching of up to two load switches 1.5-pole switching
Power supply
Auxiliary power supply	24...230 VAC/DC (jeweils 15 %)
Power consumption	2 W
Insulation voltage	2 kV, 1 min
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

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Monitoring - failure forecast - failure detection:
The IKI-50_1F R2 in a typical grid application

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Datasheet
Manual (Registered users)