IKI-55

Networkable Feeder Control Units for Distribution Substations

Item number: 2502400_H003

The IKI-55 Feeder Control Unit can be used in load switchgear for directional fault detection,... more

Product information "IKI-55"

The IKI-55 Feeder Control Unit can be used in load switchgear for directional fault detection, load flow measurement, and control of load and ground switches. Likewise, a number of automation and monitoring functions are available with the IKI-55.

The IKI-55 is network-capable in its basic version and can communicate with the control station and other remote stations via various communication protocols. It can also be used as a Modbus master. The IKI-55 M is a Modbus-only variant.

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The IKI-55 is designed for the connection of small-signal current transformers according to IEC 61869-10 as well as small-signal voltage transformers according to IEC 61869-11. In conjunction with a sensor adapter, conventional conversion transformers for current measurement as well as capacitive and precision dividers can be connected.

Fault detection

directional short-circuit detection
directional ground short-circuit detection
directional ground fault detection with static and transient fault detection
ground fault detection via pulse locating
suitable for all neutral point treatments
no summing transformer required
fault recording

early fault detection

detection of transient faults
in conjunction with a CAPDIS- S2_55 (R5): Detection of partial discharges and their frequency and trend

Load flow measurement

Voltages, currents, powers, frequencies, cos phi
Momentary and average values

Comprehensive control and monitoring functions

Control of motor controllers for switching load and ground switches
Free programmable logic functions
Limit value monitoring

Simple operation of the unit

additional LEDs to indicate the fault direction
self-explanatory operation via direction keys

Communication protocols

IEC 60870-5-104 for communication with control center
MQTT, REST for communication with databases or management systems
Modbus RTU master

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Device data
Article number	2502400_H003
Quantity unit	Piece
Product designation	Grid Controller IKI-55 \| Networkable Feeder Control Unit
Number of feeders	1
Firmware	1.0.0
Parameterization software	KriesConfig
Configuration	Via HMI and display (limited), Via software Kries-Config (download at kries.com)
Firmware update	Remote via network interface
Operating elements and display
Front display	LC-Display and LEDs
Direction keys	1 - 4 for navigation in menu
Red LED (1)	Error event detected
Yellow LED (2)	Device warnings
Dreen LED (3)	Status message device state
Yellow LED (4)	Fault detected in the direction of the busbar
Red LED (5)	Error event detected in the direction of the cable
Dimensions and installation instructions
Case height x width x depth	48 x 96 x 110 mm
Cutout height x width	45 x 92 mm
Norm cutout dimensions	DIN IEC 61554:2002-08
Installation type	Panel mounting
Operating conditions
Operating temperature	-40°C ... 70°C
Storage temperature	-40°C ... 80°C
Protection class front side	IP54
Protection class	IP40
System frequency	50 Hz / 60 Hz (selectable)
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>>	50 A – 1,000 A
Threshold time short-circuit detection I>>	40 ms – 5 s
Directional earth short-circuit detection Ie>>	✓
Threshold current earth short-circuit detection Ie>>	10 A – 1,000 A
Threshold time earth short-circuit detection Ie>>	40 ms – 5 s
Directional static earth fault detection Ie>;	✓
Threshold current static earth fault detection Ie>	1 A – 200 A
Threshold time static earth fault detection Ie>	200 ms – 5 s
Directional transient earth fault detection Ie>	✓
Threshold current transient earth fault detection 3I0	10 A – 1,000 A
Threshold voltage transient earth fault detection 3U0	0.1 kV – 100 kV
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 24 h, trend over 72 h
Fault reset	Auto, Manually on the device, After time (1 h ... 8 h, configurable)
Fault recorder	✓
Fault record - formats	Comtrade
Fault record - number	20
Fault record - recording duration	2,5 s at 50 Hz \| 2,09 s at 60 Hz
Fault record - Frequency	6,4 kHz at 50 Hz \| 7,68kHz at 60 Hz
Fault record - Pretrigger	0,31 s at 50 Hz \| 0,258 s at 60 Hz
Interfaces and transmission protocols
USB interface	Mini-USB
Modbus RTU Master	✓
Modbus-RTU Slave	✓
Modbus transmission rates [kBd]	9600, 19200, 38400, 57600, 115200
MQTT	✓
REST API	✓
IEC 60870-5-104 Slave	✓
LAN connection	✓
Slave test	✓
Digital Inputs	6
Digital inputs - connections	Connection of solid and stranded conductors: 0.08 to 0.5 mm² \| Connection of stranded conductors with ferrule: 0.25 to 0.34 mm²
Digital inputs - switching thresholds	ON > 19 VDC / OFF < 10 VDC
Digital inputs - voltage ranges	24 DC to 60 VDC
Digital inputs - current consumption	Max. 6 mA
Digital Outputs	6
Digital outputs - connections	Connection of solid and stranded conductors: 0.08 to 0.5 mm² \| Connection of stranded conductors with ferrule: 0.25 to 0.34 mm²
Digital outputs - variants	Floating
Digital outputs - switching capacity	1 A at 30 VDC
Digital outputs - dielectric strength	Max. 80V
Voltage input Input impedance	2 MOhm, 50 pF
Voltage input Input range	0,4 V – 4,1 V
Voltage input measurement accuracy	1%
Voltage input transformation ratio	10000:1
Voltage input standard	IEC 61869-11
Current input Version	Rogowski current sensor
Current input Input impedance	10 MOhm, 50 pF
Current input Measuring range	0,1 A up to 2000 A
Current input Measuring accuracy	1%
Current input Ratio	50 A / 22,5 mV (50Hz)
Current input standard	IEC 61869-10
Measurement values and functions
Phase-to-ground voltages	✓
Phase to phase voltages	✓
Active power	✓
Reactive power	✓
Apparent power	✓
Rotary field detection	✓
Frequency measurement	✓
Limit value monitoring	Parameterizable
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
Power supply input IKI-55	24 VDC +/-20%
Power input - power consumption	0.5 A
Power supply input - connections	Connection of solid and stranded conductors: 0.2 to 2.5 mm² / Connection of stranded conductors with ferrule: 0.25 to 1.5 mm² / Connection of stranded conductors with ferrule without plastic collar: up to 2.5 mm²

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Variants

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Datasheet
Manual (Registered users)