PRODUCTS
Stator coil windings
Based on your order, we produce all kinds of coils for stator windings of AC motors and generators, traction electric motors, armature and wave coils, stator coils for the electric motors up to 18 kV. D.E.M FZE is a leading Kazakh manufacturer of stator coils for electric motors. We rightfully enjoy an impeccable reputation of reliable partners all over the world who are able to fulfill any order quickly. Our stator coils meet the most stringent requirements of reliability, durability, efficiency and are used in all industrial sectors. Call us or leave a request on the website, and we will promptly start working on your task.
Why our production of stator coils is the best?
- Perfect geometry – ease, speed and quality of installation
- Ultra-reliable insulation system and 100% quality control at all stages – ensuring trouble-free operation of your motor
- Copper wire of M0 and M00 grades in accordance with GOST (all-Union State Standard) 859-2014 (purity 99.9999) – reduced losses, increased efficiency of an electric motor
- Global delivery from 14 days: implementation of your projects of any urgency
- Our technical office support: confidence at all stages of cooperation
- Stator coil winding manufacturing of any heating class: for every task you need
- Transparent pricing: forming trusting relationships with our partners
- Fully-automated manufacturing of stator coils – a guarantee of your order fulfillment to produce high-quality stator coils within the specified time frame, 0.001% defect in 15 years
Technical capabilities
- The total length of a coil – 3500 mm
- The length of a straight part – 2000 mm
- The slot angle 180°
- The dimensions of a slot part cross-section - up to 35,0х70,0 mm
380V - 18000V
- Coils for high-voltage electric motors – F (155°C), H (180°C).
- Coils for low-voltage electric motors – F (155°C), H (180°C).
- Coils for traction motors– H (180°C), С (200°C).
- Resin Rich – the hot pressing technology.
- VPI – the vacuum pressure impregnation technology.
- The type of coil insulation can be adjusted according to customer requirements.
Electrical tests are carried out with specialized devices:
- AID-700Mb Schleich MTC2-40kV, Parma Tensor-2 and others.
- Measurement of coil insulation resistance to direct current.
- Coils insulation resistance measurement of a motor´s stator winding.
- Testing of groundwall insulation with AC voltage of industrial frequency in accordance with RD 34.45-51.300-97. The maximum test voltage – 50 kV.
- Testing of groundwall insulation with DC voltage. The maximum test voltage – 70 kV.
- Testing of interturn insulation by pulse voltage according to IEEE 522, RD 34.45-51.300-97. The maximum test voltage – 40 kV.
- Dielectric loss angle tangent measurement according to IEEE 286 and EN50209.
Materials used for stator coils manufacturing
- PMS, PPLS – rectangular cross-section copper wire with mica tape insulation. Breakdown voltage up to 7000 V. Used for the production of stator winding systems for high-voltage electric motors. Heating class – F (155°C).
- PSDK, PSDT – rectangular cross-section copper wire with insulation based on glass filaments impregnated with specialized varnishes. Breakdown voltage up to 500V. Used for the production of coils for low-voltage electric motors. Heating class – F (155°C), H (180°C).
- PEEIP – rectangular cross-section copper wire with insulation based on electrical insulating enamels. Breakdown voltage up to 2000V. Used for the production of stator coils for low-voltage electric motors. Heating class – F (155°C), H (180°C).
- PPIPK– rectangular cross-section copper wire with polyimide-fluoroplastic film insulation. Breakdown voltage up to 8000V. Used for the production of stator coils for generators in traction motors. Heating class – H (180°C).
- PPIPKS– rectangular cross-section copper wire with corona-resistant polyimide-fluoroplastic film insulation. Breakdown voltage up to 10000V. Used for the production of stator coils for traction motors. Heating class – H (180°C).
- Elmicatherm 524019 – mica tape consisting of PET film, mica paper, glass substrate. Mica content – not less than 40%. Applied for the production of stator coils for electric motors with a rated voltage not exceeding 10 kV. Heating class – F (155°C).
- Elmicatherm 52409 – mica tape consisting of mica paper and glass substrate. Mica content – not less than 50%. Applied for the production of stator coils for electric motors with a rated voltage over 10 kV. Heating class – F (155°C).
- Elmicatherm 529029 - mica tape consisting of polyimide film, mica paper and glass substrate. Mica content – not less than 35%. Applied for the stator coils production of an asynchronous motor for traction motors. Heating class – Н (180°C).
- Elmicatherm 525029 - mica tape consisting of polyimide film, mica paper and glass substrate. Mica content – not less than 35%. Applied for the stator coils production of a 3-phase asynchronous motor for traction motors. Heating class – С (200°C).
- Elmicapor 523119 - mica tape consisting of PET film, mica paper, glass substrate. Mica content – not less than 60%. Applied for the production of coils for electric motors with a rated voltage not exceeding 6 kV. Heating class – F (155°C).
- Elmicapor 523199 - mica tape consisting of mica paper and glass substrate. Mica content – not less than 50%. Applied for the production of coils for electric motors with a rated voltage not exceeding 6 kV. Heating class – F (155°C).
- Elmicapor 53319 - mica tape consisting of mica paper and glass substrate. Mica content – not less than 80%. Applied for the production of coils for electric motors with a rated voltage not exceeding 10 kV. Heating class – F (155°C).
- Elmicapor 525029 - mica tape consisting of polyimide film, mica paper and glass substrate. Mica content – not less than 35%. Applied for the production of coils for traction motors. Heating class – С (200°C).
- Fiberglass tape LES – is designed to protect the groundwall insulation against mechanical impact. Epoflex 219.61-10 – is designed to protect the groundwall insulation from negative environmental effects. It is applied to the frontal parts of coils.
- Epoflex 324.03 – is designed to protect the groundwall insulation from negative environmental effects. It is applied to the frontal parts of coils.
- LPP-400 – is designed to protect the groundwall insulation against the effects of external partial discharges in the slot parts.
- EGSB 2969/2709 – is designed to protect the groundwall insulation against the effects of external partial discharges in the frontal parts.
Stages of production
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