yrkk motor

YRKK Motor: High Voltage Wound Rotor Solution for Heavy Industrial Applications

Modern heavy industries face mounting challenges with motor reliability in harsh environments. Dust accumulation, moisture ingress, and thermal stress constantly threaten production continuity in cement plants, mining operations, and metallurgical facilities. The yrkk motor series addresses these critical concerns through its IP54-rated enclosed design and air-to-air cooling technology. This high voltage wound rotor system offers excellent starting torque as well as full environmental protection for 24-hour continuous operation in harsh situations. These motors give the rugged performance your operations need with power ratings of 200-4500 kW and voltage ranges of 3kV to 11kV.

YRKK Motor Manufacturer and Supplier

Shaanxi Qihe Xicheng Electromechanical Equipment Co., Ltd. brings over 20 years of expertise in power equipment solutions. We have strategic collaborations with over 30 prominent motor manufacturers throughout the world like ABB, Siemens, Wolong, XEMC. With a large supply chain, we can guarantee that you will get Genuine parts at Competitive prices for your projects.

Our plant is operated by SAP factory management systems and our quality control is constant throughout the manufacturing process. Every motor is tested thoroughly before dispatch. We are CCC, CE, ISO9001:2000 and industry certified, and many more certificates show our dedication to manufacturing quality.

Pain Points vs. Solutions

Your Challenge: Open-type motors fail prematurely in dusty environments, causing costly downtime.

Our Solution: IP54 protection blocks dust and moisture ingress, extending service life dramatically.

Your Challenge: Standard motors struggle with heavy-load startups, causing grid disturbances.

Our Solution: Wound rotor construction delivers high starting torque with minimal current draw.

Your Challenge: Cooling systems contaminate windings with external pollutants.

Our Solution: Sealed air-to-air circulation prevents external contaminants from reaching critical components.

Your Challenge: High ambient temperatures cause thermal overload in conventional motors.

Our Solution: Independent cooling channels maintain optimal operating temperatures regardless of workshop conditions.

Technical Advantages

The yrkk motor employs advanced wound rotor technology that outperforms standard squirrel cage designs in heavy-duty applications. Its three-phase asynchronous construction handles voltage fluctuations within ±5% tolerance across multiple voltage classes.

The integrated slip ring and brush assembly sits within a separately sealed chamber. This configuration prevents carbon dust from contaminating main windings while facilitating maintenance access. Premium SKF, NSK, or FAG bearings can be specified to match your operational requirements.

Our air-to-air cooling system creates positive internal pressure that blocks external contaminants. Heat exchangers dissipate thermal energy efficiently without exposing windings to harsh ambient conditions. This design maintains insulation integrity throughout extended service intervals.

Production Process

Our manufacturing follows strict quality protocols aligned with JB/T10314.2-2002 standards. Each production stage incorporates verification checkpoints:

Material Selection: Only certified electrical steel, copper conductors, and insulation materials enter production.

Winding and Assembly: Automated winding machines ensure precise coil formation. Vacuum pressure impregnation maximizes insulation performance.

Balance Testing: Dynamic balancing reduces vibration to minimal levels, protecting bearings and mounting structures.

Performance Verification: Full-load testing validates electrical characteristics, thermal performance, and protection grade compliance.

Quality Documentation: Complete test records accompany every motor for traceability and compliance verification.

Industry Applications

Mining Operations: Powers mine hoists and conveyor systems in underground and surface operations. Handles shock loads and frequent starts reliably.

Cement Production: Drives ball mills, vertical raw mills, and kiln equipment through continuous grinding cycles. Withstands extreme dust concentrations.

Metallurgy: Operates rolling mills, wire drawing machines, and material handling systems. Maintains precision control under variable load conditions.

Chemical Processing: Supports mixers, crushers, and processing equipment in corrosive atmospheres with appropriate protection options.

Customization Capabilities

We understand that standard specifications rarely match every application perfectly. Your unique requirements drive our customization approach:

· Dimensional Modifications: Adjust mounting configurations, shaft extensions, and terminal box positions.

· Voltage Adaptations: Configure windings for specific voltage and frequency combinations.

· Bearing Upgrades: Specify premium bearing brands for extended life in critical applications.

· Cooling Enhancements: Modify heat exchanger capacity for extreme ambient conditions.

· Protection Upgrades: Implement additional sensors, RTD monitoring, or vibration detection systems.

Our engineering team evaluates your operational parameters to recommend optimal configurations that balance performance, reliability, and cost.

Reliability Testing & Certifications

Every yrkk motor undergoes comprehensive validation before shipment. Our testing protocols exceed industry standards to ensure field reliability.

Temperature rise tests verify thermal performance under sustained full-load conditions. Insulation resistance measurements confirm winding integrity. Vibration analysis detects any mechanical irregularities requiring correction.

We have the certifications: CCC, CE mark, ISO9001:2000 quality management and environmental compliance with ZDHY certification in progress. These accreditations show our dedication to worldwide production standards and continual development.

Why Choose XCMOTOR

Original Components: We only use parts from reputable manufacturers so you don’t have to worry about counterfeit parts.

Quick Delivery: With our established supply network we are able to deliver in a short time both standard and special requests.

30 Day Returns: Easy return policies on qualifying orders. We stand by our goods.

Dedicated Support: We have technical support on hand 7 days a week, including weekends for those essential questions.

Competitive Pricing. No middlemen means no additional markups and you keep the savings.

Total Service – We are your partner for the whole ownership of the equipment from initial selection to installation support and lifetime maintenance.

FAQ

Q：What is YRKK IP54 air-air-cooled high voltage wound rotor motor?

A：YRKK IP54 series are enclosed box-type high voltage three-phase wound rotor aSynchronous Motors with rated voltage 6kV/10kV. They feature independent air-to-air cooling systems and IP54 protection grade with integrated slip ring and brush assemblies. This design combines high starting torque with complete dust and moisture protection for heavy-load continuous production.

Q：What core advantages does YRKK IP54 motor have compared with ordinary open-type high voltage wound rotor motors?

A：The IP54 protection blocks dust and splashing water effectively. Sealed air-air cooling prevents external contaminants from reaching stator windings, reducing insulation failures. The wound rotor structure provides excellent starting characteristics without grid impact. Independent cooling operates effectively even in high ambient temperatures. The separately sealed slip ring chamber prevents carbon powder from contaminating windings.

Q：Which industries and equipment is YRKK IP54 HV wound rotor motor suitable for?

A：These motors serve cement, mining, metallurgy, coal, and chemical industries. Common applications include mine hoists, large ball mills, vertical raw mills, heavy-duty conveyors, and rolling equipment. They excel in dusty environments with splashing water and continuous 24-hour operation requirements.

Q：What are common causes of serious sparking on slip rings and brushes?

A：Carbon powder accumulation causes uneven slip ring wear. Unbalanced brush pressure or worn brushes without replacement create problems. Loose connections in external resistance circuits affect performance. Moisture ingress through worn seals causes oxidation. Poor cooling duct airflow leads to local overheating and oxidation.

Q：What are key regular maintenance items for YRKK IP54 motors?

A：Remove slip ring covers regularly to clean carbon powder and polish rings. Clean air cooler fins to maintain heat exchange efficiency. Monitor external cooling fan operation and bearing temperatures. Test insulation resistance and rotor resistance during annual shutdowns. Inspect and replace aged IP54 sealing strips. Maintain starting resistance cabinets checking for overheating and damage.

Contact Us

Ready to enhance your yrkk motor operation with reliable high voltage motor solutions? Our technical specialists are prepared to discuss your specific requirements and recommend optimal configurations.

Email: XCMOTORs@163.com