ELANTAS Electrical Insulation

Technical Services

ELANTAS Beck has unique strength is its technological prowess. It capitalizes it’s ability to consistently provide customized solutions to its quality conscious clients. ELANTAS Beck strongly belives that the customer service begins well before the order is initiated. The company’s competence to offer Technical Service has created a strong Brand through Customer  satisfaction  and loyalty. A team of well-trained technical service engineers is available to the customers to provide guidance and take care of any technical aspect. The company contributes to the industry by presenting technical papers in National/ International seminars & by representation on standardization activities such as, BIS & IEC. This helps us to maintain competitive  cutting edge and technical leadership. Customer training programmes covering several topics such as, selection and application of ELANTAS Beck products, troubleshooting etc., is a regular feature in the customer  relation strategy.

Testing & Evaluation

ELANTAS Beck’s  laboratories are well equipped with various  state of the art test equipment & trained personnel to carry out testing according to National / International Standards. These facilities are  made available to our customers.

Wire enamels:

  • Physical properties - Solids content (Non-volatile content), Viscosity measurement (DIN/ IS/ISO/Ford cups, Brookfield viscometer),

  • IR spectra

Enamelled wires:

  • 1. Mechanical properties:

    • Elongation
    • Springiness
    • Mandrel winding
    • Jerk test
    • Peel test
    • Resistance to abrasion
    • Heat bonding

  • 2. Chemical Properties:

    • Solvent test (Pencil hardness),
    • Refrigerant resistance
    • Transformer oil resistance
    • Solderability

  • 3. Electrical properties:

    • Electrical resistance
    • Breakdown voltage
    • Dielectric dissipation factor (Tan delta)
    • Continuity of covering

  • 4. Thermal properties:

    • Heat shock
    • Cut - through
    • Temperature Index (Thermal endurance)
    • High temperature failure test

Secondary Insulations (Solvent borne varnishes)

Testing as per IEC 60464 - 2 / IS 10026 - 2

•    1. Density
•    2. Viscosity
•    3. Non-volatile matter
•    4. Drying time in thin films
•    5. Flash point
•    6. Dilution ability
•    7. Ability to cure in considerable thickness
•    8. Reaction of varnish with copper
•    9. Stability of varnish in an enclosed vessel
•    10. Stability of varnish in an open vessel
•    11. Effect of varnish on enamelled wires (pencil hardness)
•    12. Flexibility
•    12.1 Mandrel test
•    13. Bond strength
•    14. Resistance to insulating liquids
•    15. Effect of water immersion on volume resistivity
•    16. Effect of water immersion on electric strength
•    17. Comparative Tracking Index (CTI)
•    18. Dissipation factor and permitivity
•    19. Thermal endurance

Secondary Insulations (Solvent less resin system)

Testing as per IEC 60455 - 2

-    1.1 Flash point 
-    1.2 Density
-    1.3 Viscosity
-    1.4 Shelf life
-    1.5 Softening temperature
-    1.6 Ash content
-    1.7 Filler content
-    1.8 Chlorine content
•   1.8.1 Total chlorine content of unsaturated polyester and epoxide resins 
•   1.8.2 Inorganic chlorine content of epoxide resins and glycidyl esters 
•   1.8.3 Easily saponiliable chlorine content of epoxide resins and related materials
-    1.9 Epoxide equivalent of epoxide resins
-    1.10 Water content (Karl Fischer method
-    1.11 Hydroxyl value
•   1.11.1 Polyester resins
•   1.11.2 Resins other than polyester
-    1.12 Acid value of polyester resins
-    1.13 Amount of double bonds of unsaturated polyester and acrylate resins
-    1.14 Acid and acid anhydride content of acid-anhydride hardeners
-    1.15 Amine value
-    1.16 Pot life
-    1.17 Gel time
•   1.17.1 Unsaturated polyester based compounds
•   1.17.3 Other compounds
-    1.18 Exothermic temperature rise
•   1.18.1 Unsaturated polyester based compounds
•   1.18.2 Compounds other than unsaturated polyester based
-    1.19 Total volume shrinkage of epoxide and unsaturated polyester based compounds
•    Methods of test for cured reactive compounds
-    2. Mechanical properties
-    2.1 Bond Strength
-    2.2 Adhesive strength
-    2.4 Thermal properties
•   2.4.1 Bond strength  & dielectric strength at elevated temperature
•   2.4.7 Temperature Index
-    2.5 Chemical properties
•   2.5.1 Water absorption
•   2.5.2 Effect of liquid chemicals
-    2.6 Electrical properties
•   2.6.1 Effect of water immersion on volume resistivity
•   2.6.2 Dielectric dissipation factor (tan-delta) and relative permittivity
•   2.6.3 Breakdown voltage and electric strength

Other Tests
1.     Completeness of cure by Differential scanning calorimeter (DSC)
2.    Moisture content in the Secondary Insulation by Carl Fischer
3.    Validation of electrical machine for quality of impregnation
4.    Humidity test for the electrical machines
5.    Pilot plant trials for Dip impregnation/ Vacuum Pressure Impregnation / Trickle impregnation
6.    Audits of impregnation process followed at the customers
7.    Calibration of customer flow cups
8.    Compatibility between the insulating materials as per IS 14353
9.    Thixotropic index measurement

E & EM (EL Products)

Test as per IEC 60455 - 2

•    1. Physical Properties of  Reactive Compounds:
-    1.1 Viscosity (1, 2 and 3)
-    1.2 Specific gravity / Density (1, 2 and 3)
-    1.3 Flash point (1, 2 and 3)
-    1.4 Ash content (1 and 2)
-    1.5 Filler content (1 and 2)
-    1.6 Chlorine content (1)
-    1.7 Epoxide equivalent (1)
-    1.8 Moisture content (1 and 2)
-    1.9 Hydroxyl value (1)
-    1.10 Acid and acid anhydride content (2)
-    1.11 Amine value (2)
-    1.12 Pot life (3)
-    1.13 Gel time (3)
-    1.14 Exothermic temperature rise (3)
•    2. Cured Material Properties :
-    2.1 Test specimens
•    2.1.1 Preparation of test specimens
-    2.2 Density
-    2.3 Mechanical Properties
•    2.3.1 Tensile strength
•    2.3.2 Elongation
•    2.3.3 Compressive strength
•    2.3.4 Flexural strength
•    2.3.5 Impact strength
•    2.3.6 Hardness - Shore
•    2.3.7 Impact strength
-    2.4 Thermal Properties:
•     2.4.1 Heat distortion temperature (Martens)
•     2.4.2 Glass transition
•     2.4.3 Flammability
•    2.4.4 Thermal shock
-    2.5 Chemical Properties:
•     2.5.1 Water absorption
•     2.5.2 Effect of liquid chemicals
-    2.6 Electrical Properties:
•    2.6.1 Insulation resistance & Volume resistivity
•    2.6.2 Breakdown voltage & Dielectric strength
•    2.6.3 Dielectric dissipation factor (tan-delta) and relative permittivity
•    2.6.4 Comparative tracking index (CTI)