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Services

Protection, Automation,
and Communications

Relay protection, process automation, and telecommunication infrastructure for power facilities at all voltage levels.

What we do in the field of protection,
automation, and communications

In the "Protection, Automation, and Communications" business sector, TELENERG-INŽENJERING provides comprehensive services ranging from the design of relay protection and telecommunication systems, equipment manufacturing and parameterization, integration, installation, and testing, to the analysis of operational events and user training.

01
Protection and Automation Projects

Preparation of conceptual, main, and detailed designs, as well as other technical documentation for relay protection, signaling, measurement, monitoring, control, and local automation systems in MV and HV power facilities.

02
Telecommunication Projects

Preparation of conceptual and detailed designs and technical documentation for telecommunication systems: power line communication (PLC) over HV lines, fiber-optic and radio communications, and video surveillance for power facilities.

03
Assembly and Parameterization of Cabinets

Manufacturing and parameterization of control, protection, measurement, and telecommunication cabinets for power facilities of all voltage levels.

04
System Integration

Integracija računarskih sustava i programiranje IED uređaja s funkcijama automatizacije za nadzor i upravljanje EE postrojenja u proizvodnji, prijenosu i distribuciji.

05
Testing, Commissioning, and Training

Functional testing and commissioning of relay protection, monitoring, control, and telecommunication systems. User training for the operation and maintenance of systems and equipment.

06
Fault Analysis and Measurements

Recording and analysis of operational events during faults and disturbances in power facilities. Preparation of relay protection setting studies. Measurement of communication channel quality and technical parameters of telecommunication systems.

Relay systems and platforms
we work with

Experience with leading global manufacturers of relay protection and numerical IED devices, with full support for modern communication standards.

SIPROTEC

  • Numerical Relays
  • SIPROTEC 4 and SIPROTEC 5 numerical protection relays for the protection of lines, transformers, busbars, and generators in MV and HV facilities.

REF · RED · RET · REB

  • Numerical Relays
  • ABB/Hitachi series of protection IEDs: REF (feeder protection), RED (differential), RET (transformer), and REB (busbar protection).

Sepam · MiCOM

  • Numerical Relays
  • Schneider Sepam and Alstom/GE MiCOM series of protection relays for applications in MV and HV power facilities.

KZR · KZD

  • Numerical Relays
  • Končar protection relays for distribution and transmission networks — domestic technology with long-standing application in the HEP Group and industry.
IEC 61850

Digital Substation

  • Standard
  • Design and implementation of digital substations according to the IEC 61850 standard — GOOSE, Sampled Values, MMS communication, and SCL configuration.

Multilin · UR · MiCOM

  • Numerical Relays
  • General Electric serija zaštitnih IED uređaja — Multilin i Universal Relay (UR) platforme te MiCOM releji za zaštitu vodova, transformatora i sabirnica u SN i VN postrojenjima.

Navedeni proizvođači predstavljaju samo dio našeg iskustva — u praksi radimo sa svim relevantnim platformama relejne zaštite i numeričkih IED uređaja prisutnima na tržištu.