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Overview
Retrofit your installation into a smart grid and improve grid reliability with cost-effective solutions

The TE Connectivity (TE) Kries IKI-50 substation control unit is tailored for switchgears and underground distribution and transmission lines from 1 to 52 kV. The IKI-50 is an intelligent solution designed to address the increasing challenges of decentralized energy supply as well as rising demands for power availability and quality in distribution networks. Designed for utility and industrial customers, it provides unparalleled transparency over network parameters such as voltage, current and power - onsite or remotely, through a SCADA integration system.​

 

Our IKI-50 not only monitors grid parameters from a distance, but also allows the network owner to interact with a switchgear from a control center. It also allows precise voltage measurement and automatic cross-calibration along the entire secondary substation.​

 

Engineered for durability, the IKI-50 is compliant with IEC and IEEE standards, and its design ensures consistent performance in harsh conditions from -25 °C to +75 °C - enhancing grid transparency and reliability, and also reducing costs.

 

Customers benefit from increased network transparency and proactive maintenance capabilities, leading to swift fault resolution and reduced operational costs. The IKI-50 helps network owners to ensure a continuous, reliable power supply through detailed, real-time data and robust fault management - elevating the efficiency and reliability of energy distribution networks.

  1. Directional Fault Detection in 3-Phase Underground Power Grids (IEEE) (English)

Locating a fault in underground networks involves time-consuming trial and error. Discover how directional fault detection delivers precise fault location and direction, reducing intervention time and accelerating service restoration.

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Key Features

  • Power load monitoring

  • Enables fault detection, reducing downtime (SAIDI)
  • Remote control and precise voltage measurement
  • Maintenance-free
  • Partial discharge detection with CAPDIS-S2_55
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FAQ

Frequently Asked Questions

Question: What is a substation or feeder control unit?​

Answer: This is a device which is used in electrical power distribution networks to monitor, control, and protect feeder lines. It ensures efficient and reliable power delivery by managing the flow of electricity and responding to fault conditions. However, it should be noted that IKI-50 and IKI-55 in particular are not protection relays, so if this is a requirement, then we also offer IKI-30 or IKI-35 as proper solutions to protect distribution transformer substations.​

 

Question: ​Where should a feeder control unit be installed?
Answer: This type of units should be installed at key points in the distribution network, typically at substations or on feeder lines, to effectively monitor and control the flow of electricity.

 

Question: Can the IKI-50 detect the direction of a fault?

Answer: If the voltage signal is available, then IKI-50 can detect the direction of a fault. This is a helpful function when searching for faults in loop systems or in the case of missing information about the location of the transformer substations.

 

Question:  What types of communication protocols are supported by IKI-50 and IKI-55?

Answer: IKI-50 supports Modbus-RTU protocols, whereas IKI-55 is able to support Modbus-RTU, MQTT, REST, and IEC 60870-5-104 - allowing seamless integration with various systems​.

 

Question: Can IKI-50 and IKI-55 perform load management?​

Answer: Yes, they can both manage and balance loads across the network which prevents overloading and ensures efficient power distribution.​

 

Question: Can IKI-50 and IKI-55 integrate with SCADA systems?​

Answer: These devices are designed to integrate with SCADA systems, providing real-time data and control capabilities to central operators. 

Features

Please review product documents or contact us for the latest agency approval information.  

Product Type Features

  • Monitoring Options  PD Trend Monitoring | Power Flow Monitoring

Configuration Features

  • Switching Function Type  1.5 Pole Switching

  • Configuration Method  Kries Configuration Software

  • Number of Feeders  1

  • Number of Digital Outputs for 1.5 Pole Switching  6

  • Number of Events Logged  20

  • Control Unit Function  Active Power | Apparent Power | Reactive Power

  • Number of Digital Inputs  6

  • Number of Digital Outputs  6

Electrical Characteristics

  • Input Voltage Selection  Low-Power Voltage Transformer | Voltage Detecting and Indicating System

  • Current Input Type  Current Sensor

  • Current Input Measuring Accuracy (%) 3

  • Power Supply  Capacitor | External Auxiliary Supply

  • Current Input Measuring Range (A) .5 – 1158

  • Supply Voltage (V) 24 – 230

Signal Characteristics

  • Frequency Selection (Hz) 50 – 60

Usage Conditions

  • Operating Temperature Range  -25 – 55 °C [ -13 – 131 °F ]

  • Storage Temperature Range  -25 – 70 °C [ -13 – 158 °F ]

Operation/Application

  • Communication Interface  Mini-USB | Modbus RTU (Slave)

  • Measurement Parameters  Current | Frequency | Power Factor | Voltage

Industry Standards

  • IP Rating  IP54

  • Calibration Type  Sensor | Sensor Cross-Calibration

Other

  • Fault Recording Type  Event Recording

  • Network Neutral Earthing  Inductive Terminated Neutral | Isolated Neutral | Low Ohmic Terminated Neutral | Short Term Low Ohmic Terminated Neutral

  • Fault Recorder  No

  • Fault Detection  Directional Earth Short Circuit | Directional Short Circuit | Directional Static Earth | Directional Transient Earth | Eart Fault Via Pulse Locating

  • Fault Reset Option  Auto | External Potential-Free Normally Open Contact | Local | Manual | Remote (Modbus) | Time-Controlled

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