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KONCAR-Institute-Rotating Machines Laboratory

KONCAR-Institute-Rotating Machines Laboratory

KONCAR-Institute-Rotating Machines Laboratory

Product catalog summary
Introduction
The KONČAR Electrical Engineering Institute's Department for Rotating Machines specializes in testing various insulation materials and magnetic properties of materials used in electrical machines. The laboratory offers comprehensive testing services to ensure product performance and longevity.

Insulation Material Testing
The laboratory conducts tests on various insulation materials, including mica-based insulation, thermoset epoxy, and Roebel bars. Key tests include:
  • Leakage current resistance (CTI)
  • Insulation tape thickness measurement
  • Porosity control using Gurley method
  • Electric arc resistance
  • Breakdown voltage testing
  • Insulation resistance of thin fabrics and boards
Testing complies with standards such as IEC 371, ISO 3687, and ASTM D495.

Rotating Machines Laboratory
This laboratory focuses on magnetic measurements and testing of electrical conductors. Services include:
  • Alternating magnetization measurement for magnetic steel sheets
  • Ferrite characteristics measurement up to 60 kHz
  • Dynamic hysteresis loop recording
  • Core loss separation into hysteresis and eddy current losses
Testing adheres to standards like IEC 60404-2 and IEC 60404-8-3.

Electrical Conductor Testing
The laboratory tests various conductors, both insulated and uninsulated, for:
  • Dielectric strength
  • Specific electrical conductivity
  • Geometric characteristics
  • Thermal shock resistance

DC Magnetic Measurement
DC magnetic testing includes:
  • Magnetization curve measurement for steel and magnets
  • Static hysteresis loop measurement
  • Magnetic permeability determination
Standards followed include IEC 60404-4 and IEC 60404-8-5.

Magnet Testing
The laboratory tests various magnet types, including alnico and NdFeB, for:
  • Magnetization curve and hysteresis loop
  • Characteristics determination up to Hc 1500 kA/m
  • Magnetic field strength measurement
Testing uses advanced equipment like pulse magnetizers and flux meters.
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Catalog excerpts

KONCAR-Institute-Rotating Machines Laboratory-1

Testing of insulation materials • Within the laboratory we test: isolation based on mica KONCAR Electrical Engineering INSTITUTE thermoset epoxy insulation tape-based Mica paper for basic insulation isolation of the Roebel bars retaining strap for rotating parts conductive and semi conductive tape-based glass for corona protection • Determination of the resistance to the formation of leakage currents on solid insulating materials (CTI) • Determining the thickness of the insulation tape • Control porosity by Gurley • Determination of the resistance to electric arc on solid insulating materials • Testing breakdown voltage • Determination of the insulation resistance of thin fabric and insulation boards • We provide testing in accordance with: IEC 371, ISO 3687, IEC 6262, IEC 243, IEC 216, ASTM D495, IEC 851-2 and other relevant standards Rotating Machines Laboratory KONCAR RML KONCAR - Electrical Engineering Institute Inc. Department for rotating machines SYSTEM CERTIFIED

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KONCAR-Institute-Rotating Machines Laboratory-2

ROTATING MACHINES LABORATORY Materials testing is often required to ensure that products and their component parts can perform for their intended use and endure for their expected life. Various material testing services also provide information that is useful when investigating the root cause of material failure during a failure analysis. Laboratory for Rotating Machines is the material testing lab that provides the information and answers you need to make business decisions about your products and processes. We offer a full scope of material testing services including AC magnetic measurement,...

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