10KV Submersible pump winding wire with HL+XLPE+PA 100% copper

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10KV Submersible pump winding wire with HL+XLPE+PA with 100% copper builds a multi-dimensional protection system centered on full high-purity copper conductors, completely eliminating common failure points of traditional high-voltage submersible windings:

1. ‌100% High-purity Copper Conductor‌
   Adopting 99.99% oxygen-free high conductivity copper (OFHC) as the core conductor, it features extremely low resistivity, stable high-current carrying capacity under 10kV high voltage, and excellent thermal conductivity. It avoids the hidden dangers of overheating, voltage drop and power loss caused by impure copper or copper-clad aluminum conductors, ensuring the submersible pump maintains high energy efficiency even under continuous full-load operation for years. The conductor is available in both solid and stranded configurations, with cross-sectional specifications fully covering the current demand of 10kV large-power submersible motors from dozens of kilowatts to several megawatts.
2. ‌Inner HL Semi-conductive Layer‌
   The uniform and seamless extruded semi-conductive layer eliminates all tiny air gaps between the high-voltage copper conductor and the main insulation layer, effectively homogenizing the electric field distribution around the conductor. It fundamentally suppresses partial discharge erosion that easily occurs under 10kV high voltage, and blocks the penetration path of water molecules along the conductor surface, preventing water tree aging which is the leading cause of high-voltage insulation breakdown in submerged environments.
3. ‌Mid-layer XLPE (Cross-linked Polyethylene) Main Insulation‌
   The thickened XLPE insulation formulated for 10kV voltage level has a dense three-dimensional cross-linked molecular structure, with a long-term allowable operating temperature of 90°C, and a rated AC withstand voltage up to 12kV to reserve sufficient safety margin. It maintains stable insulation performance under hundreds of meters of deep water pressure, and is far superior to ordinary PE insulation in terms of mechanical strength, heat resistance and anti-aging life.
4. ‌Outer PA (Polyamide/Polyimide) Protective Sheath‌
   The high-performance PA outer layer provides secondary protection for the XLPE main insulation. It has outstanding abrasion resistance, tear resistance and chemical corrosion resistance, which can withstand the mechanical stress of high-voltage motor winding, embedding and assembly, and resist the long-term erosion of mineral-containing mine water, saline seawater and industrial corrosive wastewater. It effectively prevents insulation scratches and water ingress during the whole life cycle of the submersible pump.

Key Performance Highlights

This 10kV 100% copper HL+XLPE+PA submersible winding wire integrates multiple industry-leading performance advantages tailored for heavy-duty high-voltage submerged scenarios:

• ‌Class-leading High Voltage Resistance‌: The standardized 10kV voltage rating fully meets the power supply requirements of large-capacity submersible motors, and can withstand instantaneous overvoltage shocks during variable frequency start-up and grid fluctuation.
• ‌Zero Partial Discharge Design‌: The HL semi-conductive layer eliminates electric field concentration, ensuring no partial discharge occurs under rated operating voltage, which greatly extends the service life of the winding.
• ‌Ultra-high Waterproof Reliability‌: The three-layer integrated co-extrusion process eliminates all gaps between layers, achieving IPX8 full waterproof performance, and can operate stably under full submergence for more than 10 years.
• ‌Excellent Mechanical Durability‌: The 100% copper conductor has high tensile strength, and the composite insulation structure can withstand the tension of lowering the submersible pump into hundreds of meters deep wells, avoiding conductor breakage or insulation damage.
• ‌Strong Environmental Adaptability‌: It can resist the erosion of various acidic, alkaline, saline and oily components in complex water quality, and is suitable for long-term operation in harsh industrial water environments.
• ‌High Temperature Resistance‌: The XLPE insulation can continuously withstand the heat generated by high-power operation, avoiding insulation performance degradation and melting failure under high load.
• ‌Low Energy Consumption‌: The 100% high-purity copper conductor minimizes Joule heat loss, effectively improves the overall operation efficiency of the 10kV submersible pump system, and reduces long-term operating electricity costs.
• ‌Strict Standard Compliance‌: The product is manufactured in accordance with IEC 60502 and relevant high-voltage submersible equipment industry standards, and all electrical and mechanical parameters have passed strict type tests.

Main Industrial Application Scenarios

This 10kV grade professional winding wire is widely used in heavy-duty submersible pump systems that require high power, high reliability and long continuous operation life:

1. ‌Large-scale Mine Dewatering Submersible Pumps‌: It is the core winding material for high-power submersible drainage pumps in large underground coal mines, metal mines and non-metal mines, which can operate stably for a long time in mine water containing sediment, mineral ions and corrosive components, and ensure the safety of underground mining operations.
2. ‌Deep Well Large-capacity Water Supply Submersible Pumps‌: Suitable for 10kV high-voltage submersible pump units in hundreds of meters deep large-scale water source wells for municipal water supply, industrial park centralized water intake and large farmland irrigation, supporting long-term unattended stable operation.
3. ‌Hydropower Station Submersible Drainage & Circulation Pumps‌: Applied to submersible pumps for bottom sump drainage, cooling water circulation and flood control emergency drainage in large and medium-sized hydropower stations, adapting to the high-humidity and high-pressure underwater environment of hydropower facilities.
4. ‌Offshore & Coastal Engineering Submersible Equipment‌: The PA sheath with excellent salt corrosion resistance is suitable for 10kV high-power submersible pumps used in seawater desalination water intake, offshore platform drainage, port and waterway engineering construction, and tidal flat reclamation projects.
5. ‌Urban Flood Control & Emergency Drainage Submersible Pump Units‌: It is used in large-flow high-power 10kV submersible drainage pump trucks and fixed flood control pump stations in megacities, which can quickly drain waterlogging in urban low-lying areas during extreme rainstorms.
6. ‌Large Industrial Wastewater Treatment Submersible Pumps‌: Suitable for high-power submersible sewage pumps in large sewage treatment plants, chemical industrial parks and steel mills, adapting to the complex corrosive water quality environment of industrial wastewater.
7. ‌Tunnel & Deep Foundation Pit Dewatering Submersible Pumps‌: It provides reliable power support for 10kV high-power dewatering submersible pumps in long-distance tunnel construction, super high-rise building deep foundation pit engineering and underground comprehensive pipe gallery construction.