Coil manufacturing
Products
COILS FOR AC ELECTRIC MOTORS AND GENERATORS
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.
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 (purity 99.99) – 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.
PERFECT GEOMETRY
simplicity, speed and quality of coils installation
ULTRA-RELIABLE INSULATION SYSTEM AND 100% QUALITY CONTROL AT ALL STAGES
ensuring the smooth operation of your engine
COPPER WIRE OF BRAND M0 AND M00
(purity 99.9999) – reducing losses, increasing the efficiency of the electric machine
FULL AUTOMATION OF THE COIL MANUFACTURING PROCESS
is a guarantee of the fulfillment of your order qualitatively and within the specified time, 0.001% of defects in 15 years.
PRODUCTION OF COILS OF ANY CLASS OF HEAT RESISTANCE:
to solve any of your tasks
DELIVERY FROM 14 DAYS WORLDWIDE
implementation of your projects of any urgency
COILS FOR AC ELECTRIC MOTORS AND GENERATORS
PARAMETERS OF AC SECTIONS
INSULATION F, H, C CLASSES HEAT RESISTANCE AND ABOVE
VOLTAGE UP TO 18 000 V
- Length of coils: 350–3500 mm.
- Slot angle: 0–180.
- Straight length: 230–2000 mm.
- Cross-section part: 5×12–30×60 mm.
INSULATION F, H, C CLASSES HEAT RESISTANCE AND ABOVE
- From soaked belts (hot pressing technology).
- From dry tapes based on mica paper or polyimide films (vacuum-
- injection soaking technology).
- Hybrid VPI/Resin Rich technologies.
VOLTAGE UP TO 18 000 V
Stages of production
Technical capabilities
- The maximum length of a formed coil – 3500 mm
- The maximum length of a coil straight part – 2000 mm
- The maximum slot angle 180°
- The minimum size of the slot part cross-section 5,0х12,0 mm
- The maximum size of the slot part cross-section 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.
The range of electrical tests and test voltages can be adjusted according to the requirements of the customer's design documentation.
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.
The range of electrical tests and test voltages can be adjusted according to the requirements of the customer's design documentation.
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).
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).
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).
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.
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.
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