Serviceleistungen bei Himmel Elektrotechnik

Commissioning of high and medium voltage switchgears (ABB, AREVA Schneider, Siemens, SEG Woodward, Ormazabal, Natus) and protection testing (UMZ, differential protection, distance protection, QU protection)

Our experienced and fully trained staff checks the wiring and proper functions of electrical and mechanical parts, interlocks and automatic operations according to elaborate test protocols and compliance with the documentation.

In addition, we are able to parameterize and programming of control and protection devices, protection relays and communication equipment and facilities according to your specifications and requirements.

Our Services:

  • Functional tests of all switchgear components
  • Interlocking and switching sequence tests
  • Programming and parameterization of control and protection devices
  • Verification and parameterization of communications equipment
    (IEC 61850, Modbus, LON bus, SPA bus, Profibus, IEC-103...)
  • Testing of control connections and interfaces to SCDA systems
  • Protection tests (primary and secondary)
  • SF6 volume measurement, dew point, decomposition products
  • Insulation tests
  • Voltage drop measurement
  • High voltage tests
  • Measurement of circuit breaker switching times

Your benefits:

  • Qualified and competent contact
  • Smooth start-up
  • Detailed documentation of the standardized tests
  • Support up to the start-up

Test Equipment

For testing of protection devices of all manufacturers, we are using certified test equipment by leading manufacturers.

Computer controlled test systems provide us manualy or in automatic way a review of the relay parameters and the proper functioning of your relay.

Primary Tests

We perform primary tests on following equipment:

  • High voltage and High current equipment
  • VTs voltage transformer
  • CTs current transformer
  • Circuit breakers
  • Busbars
  • IS limiters
  • Motors
  • Transformers
  • Generators

For documentation, we create detailed inspection and commissioning protocols.

Certified Quality

Quality always has the highest priority. This was con­firmed by certification to DIN ISO 9001-2000. We are also certified according to the international environmental management standard ISO 14001 and to SCC Safety Certificate for Contractors.