Excerpt:

Xi'an TaiFu Xima YRKK Series (H355-1000) High-Voltage Wound-Rotor Three-Phase Asynchronous Motors deliver substantial starting torque with relatively low starting currents. They are suitable for applications where: - Feeder capacity is insufficient to start squirrel-cage rotor motors; - Longer starting times and frequent starts are required; - Small-range speed regulation is needed.

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Professional Guide to Xi'an TaiFu Xima YRKK Series High-Voltage Wound-Rotor Three-Phase Asynchronous Motors

Professional Guide to Xi'an TaiFu Xima YRKK Series High-Voltage Wound-Rotor Three-Phase Asynchronous Motors

Advanced winding technology combined with air-to-air cooling delivers reliable power solutions for heavy-duty industrial applications.

Xi'an TaiFu Xima YRKK Series (H355-1000) High-Voltage Wound-Rotor Three-Phase Asynchronous Motors are specifically designed forHarsh industrial environmentsHigh-performance power equipment designed. This series of motors integratesInnovative Wound Rotor Technology与High-efficiency air-to-air cooling systemWhile ensuring outstanding performance, it providesExcellent starting characteristics和Reliable operational stabilityIt has become the preferred solution for driving heavy-duty equipment across various industries.

Product Model Analysis: Accurately Identify Motor Specifications

1763941738 0546 — 西玛YRKK系列高压绕线转子三相异步电机 2

Xi'an TaiFu Xima YRKK Series High-Voltage Wound-Rotor Three-Phase Asynchronous Motor Model Names follow standardized naming conventions. The model YRKK3551-4 serves as an illustrative example:

"YRKK LogoWound-rotor asynchronous motor with closed-type air-to-air cooler
"3551" codeThe first three digits "355" indicate that the center height of the base is 355mm, and the last digit "1" represents the length of the No.1 core.
"4" poles: Indicates that the number of poles of the motor is 4 poles

The naming system strictly followsInternational Electrotechnical Commission (IEC) standardsEnsure users can quickly and accurately identify key product parameters, providing a reliable basis for equipment selection.

Product Technology Overview: Professionally designed to meet diverse industrial needs.

Core technical characteristics

YRKK Series 6kV and 10kV Wound-Rotor Three-Phase Asynchronous Motors AdoptAdvanced Wound Rotor TechnologyThe motors achieve an IP44 or IP54 protection rating and utilize an IC611 air-to-air cooling system. This series integratesEnergy efficient, low noise operation, slight vibration, compact structureCombining these advantages, it ensures easy maintenance and reliable operation while maintaining outstanding performance.

Unique Performance Advantages

YRKK Series High-Voltage Wound-Rotor Three-Phase Asynchronous Motors featureOutstanding starting performanceIt can deliver high starting torque with low starting current, making it particularly suitable for the following applications:

In situations where grid capacity is limited and insufficient to start squirrel-cage rotor motors.
Heavy-duty equipment requiring frequent starts or extended start-up times
Industrial applications requiring speed regulation within a specified range
Driving of special equipment such as heavy-duty winches, rolling mills, and wire drawing machines

Wide range of applications

YRKK series motors, with theirOutstanding performance characteristicsplays a vital role in multiple industrial sectors:

Heavy machinery and equipment: rolling mills, crushers, grinding mills, etc.
Material Handling Equipment: Winches, Hoists, Conveyor Systems
Processing and manufacturing equipment: wire drawing machines, extrusion presses, large machine tools
Mining and Metallurgical Equipment: Mine hoists, smelting equipment, etc.

Standard technical parameters

protection classIP44 or IP54 (compliant with GB4942.1 standard)
Cooling methodIC611 (Compliant with GB/T1993 standard)
Installation TypeIMB3 (Compliant with GB997 Standard)
work systemContinuous Quota Based on Continuous Duty Cycle (S1)
Rated frequency: 50Hz
rated voltage6kV, 10kV (customizable for other voltage levels)
Insulation classF-Class Insulation Structure
Bearing SystemThe bearing structure is designed to IP54 standards, utilizing grease lubrication and supporting non-stop oil replenishment and drainage.

Core Technology Advantages: A Solid Foundation for Exceptional Quality

Innovative Wound Rotor Design

YRKK series motors adoptAdvanced Wound Rotor TechnologyBy connecting an external resistor or frequency-sensitive rheostat to the rotor circuit,Smooth startup process和Effective speed controlCompared to traditional squirrel-cage motors, this design significantlyreduced the impact on the power gridIt is particularly suitable for situations where grid capacity is limited.

High-efficiency air-to-air cooling system

The motor employs IC611 cooling and is equipped withHigh-Efficiency Air-to-Air Heat ExchangerEnsures the motor maintains an appropriate operating temperature under continuous high-load conditions. This cooling design not only enhances motor reliability but also extends the service life of the insulation system, making it particularly suitable for harsh industrial environments.

Optimized structural design

Seats and end caps are made ofHigh-strength materials and precision structural designAfter rigorous dynamic balancing tests, the motor ensures smooth operation with minimal vibration. Its optimized mechanical structure enables the motor to withstand greater load impacts and harsher working environments, guaranteeing long-term stable performance.

Reliable insulation systems

The stator winding is made ofClass F Insulation MaterialThe insulation system undergoes special anti-glare treatment and vacuum pressure impregnation (VPI) processes, delivering outstanding moisture resistance and corrosion protection. This ensures the motor maintains reliable insulation performance even in harsh environments characterized by high temperatures and humidity.

Xi'an Simo MotorPerfect Quality Assurance System

Enterprise strength display

Simo motors(Group) Co., Ltd. asA leading enterprise in China's electric motor manufacturing industryThe company specializes in large and medium-sized, high and low voltage, crossDC motorThe research and development and manufacture. The company has built a complete industrial chain system, integrating motor design and manufacturing, electrical control, machining, mold manufacturing, casting process and transportation service, providing customers withComprehensive powertrain solutions。

Authoritative certifications and honors

Quality Management SystemISO 9001 Quality Management System Certification
Environmental and Safety ManagementISO 14000 Environmental Management System and OHSAS 18000 Occupational Health and Safety Management System Certification
International product certificationMandatory certifications: European "CE", American "UL", and Chinese "CCC"
Industry standingChina's Top 500 Machinery Enterprises, Top 100 Electrical Equipment Manufacturers
Product quality honorQuality and Credit AAA Grade Enterprise, "Ministry, Province and Municipality Famous Brand Product", "Xi'an Inspection-free Product", "China Light Famous Brand Product" and other honorary titles.

Rigorous commitment to quality

Strict quality standardsStrictly adhere to national and international standards, manufacture and inspect products in accordance with contractual technical requirements, and ensure that non-conforming products never leave the factory.
Comprehensive performance testingAfter final assembly, the product must undergo a 72-hour continuous operation test, passing rigorous core performance tests and reliability tests to ensure stable and dependable product performance.
On-time delivery guaranteeUnder normal sales conditions, products shall be delivered strictly in accordance with the contractually agreed timeframe. In special circumstances, early delivery may be arranged through mutual agreement.
Timely after-sales serviceRespond to customer inquiries within 24 hours, initiate on-site service within 48 hours, and ensure technicians remain on-site until the issue is resolved.
Perfect three packages policyProducts with quality issues are covered by the warranty policy. Products that still fail to meet factory specifications after repair will be replaced or refunded.
Lifetime warranty supportProducts come with a lifetime cost-based warranty after purchase, providing customers with long-term technical support.

Ordering guide and technical parameters

Standard configuration parameters

parameter category	norm
Motor Model	YRKK3551-4
Installation	IMB3
rating	185 kW
protection class	IP44 or IP54
rated voltage	6kV
Cooling method	IC611
Rated frequency	50Hz
Insulation class	F
synchronous speed	1500r/min
environmental conditions	Altitude 1000m, ambient temperature 40°C

Important Notes

Technical Standard Specification：
- The product's power rating and mounting dimensions comply with International Electrotechnical Commission (IEC) standards.
- The protection rating complies with the GB4942.1 standard.
- The cooling method complies with the GB/T 1993 standard.
- The installation type complies with the GB997 standard.
Standard ordering process：
- Check product samples to determine the model number and specifications of the required product.
- Prioritize standard specification products to reduce costs and shorten delivery cycles.
- Clearly specify the motor model, power rating, voltage, frequency, and other key parameters in the purchase contract.
- If the noise level is not specified, the default supply is class 2.
Customized for special needs：
- Special requirements need to be clearly marked in the contract
- Supports custom requirements such as dual shaft extensions, special cable outlet box positions, and reverse rotation.
- Customized models for special environments such as hot and humid tape type and outdoor corrosion-resistant type are available.
- All special requirements must be communicated with the factory's technical department in advance to confirm feasibility.

Professional Selection Advice

When selecting the appropriate YRKK series high-voltage wound rotor motor, it is recommended to focus on the following factors:

Load Characteristic AnalysisIncluding load type, starting frequency, load inertia, and whether speed regulation capability is required.
Grid Condition AssessmentVoltage level, grid capacity constraints, and voltage fluctuation range
Work Environment ConsiderationsEnvironmental factors such as ambient temperature, humidity, altitude, and dust concentration
Installation space limitationsInstallation Site Dimensions and Ventilation/Heat Dissipation Requirements
Maintenance RequirementsExpected maintenance cycle and maintenance convenience requirements

For applications requiring high starting torque, limited grid capacity, or a specific speed range, the YRKK series wound rotor motors offer advantages over traditional squirrel-cage motors.A superior choice。

concluding remarks

Xi'an TaiFu Xima YRKK Series (H355-1000) High-Voltage Wound-Rotor Three-Phase Asynchronous Motors, with theirInnovative technical design、Excellent performance和Reliable product qualityXima Motors has become the ideal power solution for heavy-duty equipment across numerous industrial sectors. Leveraging robust technical expertise and a comprehensive service system, Xima Motors delivers tailored solutions to each customer.Professional technical support和Timely after-sales serviceGuarantee.

For detailed information on the technical specifications of the YRKK series high-voltage wound rotor three-phase asynchronous motors or to receive personalized selection recommendations, please contact the professional technical team at Xima Motors. We are committed to providing you with comprehensive service support.

Simo motorsAfter-sales service policy: quality-oriented, the user first!

Sincere, intimate, and devoted, Simo will always be attentive.

preamble

Thank you for choosing Simo Motor products. As an enterprise with many years of experience in motor manufacturing, Simo Motor always insists on “Quality oriented, customer first”For the purpose, through the perfect service system, to ensure that every customer can enjoy efficient and professional after-sales service.

Our products have been awarded the honorary titles of “High Quality Products”, “China Famous Brand Products”, “National Inspection-free Products” and “China Well-known Trademark” for many times by provinces, cities and ministries. Famous Trademark" honorary title. In order to further enhance customer experience, we have formulated this after-sales service policy, aiming to provide customers with comprehensive, fast and satisfactory service guarantee.

I. Quality Assurance Commitments

Simo Motor implements comprehensive quality control in strict accordance with international standards, national standards, machinery industry standards and enterprise standards:

All products are listed in the “GB/T 19001-2008/ISO 9001:2008 quality management system”Production is carried out under effective operation to ensure that raw materials are strictly and perfectly inspected from the time they enter the factory to the time the products leave the factory.
Commitment that all products offered areNew and unusedand meets the quality requirements specified in the user's contract.
Adhere to the quality management system in accordance with “GB/T 19001-2000 idt ISO 9001:2000 standard”, and keep the quality management system running effectively.

Second, pre-sale service content

To help customers make the best choice, Simo Motors offers comprehensive pre-sales support:

Specialized technical consulting: Receive inquiries from customers about the business and technical aspects of motors, and answer all kinds of questions from customers.
Personalized Solutions: Objectively introduce the performance and characteristics of Simo's motor products and provide customized power solutions according to customer needs.
Comprehensive product information: Provide detailed quotations, drawings and motor samples and other information to help customers fully understand the characteristics of the product.

III. Ordering instructions

To ensure that the motor meets your needs, please specify the following parameters when ordering:

Basic parameters: Motor model, rated power, rated voltage, number of poles, rated frequency
installation environment: Protection class, cooling method, mounting method, rotation direction, environmental conditions, outlet location
Conditions of use: Altitude and working temperature of the installation site, type of load of the motor

if anyspecial requirementIf you have any questions about our products, please feel free to contact us, we need to sign another technical agreement before signing the order contract. You can also directly call our customer service hotline:15902923228 Access to professional guidance.

IV. Warranty Policy Details

1. Warranty period

Simo Motors offersNot more than two years from date of shipmentThe warranty service. Within this specified time period, if the motor is damaged or fails to function properly due to poor manufacturing quality, Simo Motors willRepairing or replacing parts or motors at no cost to the user。

2. Warranty coverage

Warranty covers product quality problems caused by our company, the company will replace the relevant parts or provide free repair.
Warranty services need to be based onProper use and normal maintenanceThe machine should be used correctly in accordance with the original operating manual and maintained, lubricated and cleaned in accordance with the original manufacturer's recommendations.

3. Non-warranty coverage

The following are not covered by the warranty:

由Non-designated maintenance staffDamage caused
Unauthorized modifications or self-disassembly
utilizationUnofficial spare parts or software
Failure to comply with operating manualsPrescribed guidelines for use, handling and maintenance
因natural disaster（Damage to products caused by wind, fire, flood, earthquake, etc.
Natural wear and tear under normal use

V. Post-warranty services

After the expiration of the warranty period, Simo motors provide continuous service support:

Reimbursable services for life: After the expiration of the warranty period, if the product malfunctions, our company implements lifelong paid service, the required wearing parts and spare parts toCost price supply。
(pay a) regular return visit: After-sales service staffFrom time to time, we will make return visits to the usersUnderstand the status of product usage and resolve potential issues in a timely manner.
Professional Repair ServiceThe company undertakes the repair of all kinds of motors, regardless of whether they are under warranty or not, and can provide professional overhaul and maintenance services.

VI. Service commitments and standards

Simo Motors is committed to “Sincerity, thoughtfulness, devotion, Simo will always be attentive.”The “Three Hearts” service concept ensures customer experience through standardized service processes:

Professional Services Team: The company has set up a specialized service team to provide installation guidance, troubleshooting and maintenance services to ensure the efficient operation of the products in the process of use.
Rapid Response Mechanism: The after-sales service team will respond promptly to customer feedback and quickly develop solutions.
Full track record: Detailed records are kept for all service sessions to ensure traceability of the service process and continuous improvement of service quality.

VII. User complaint channels

If you are not satisfied with the services provided by Simo Motors, you are welcome to provide feedback through the following channels:

direct marketingComplaints from Service Department and Headquarters
Call the customer service line:15902923228

We will take every piece of feedback seriously and continue to improve the quality of our services.

concluding remarks

Simo Motors will continue to provide customers withHigh quality products and professional after-sales serviceWe will solve your worries through a perfect service system. We firmly believe that only the success of the customer, the development of Simo. Choosing Simo motor is choosingQuality and Trust。

Simo motors--Service with heart, create the future together!

Simo motorsBrand advantage: excellent quality, leading the motor industry innovation and development

More than sixty years of professional precipitation, to create a benchmark brand in the motor industry

Brand heritage and strength

Simo Motors (former)Xi'an Electric Machinery Factory) was founded in 1955, as China's motor industryleading enterprisesThe company is one of the leading manufacturers of electric motors in the world, with more than sixty years of experience and expertise in the manufacturing of electric motors. The company has now developed intoIntegration of R&D, manufacturing and sales of motor productsOur products are widely used in many important fields such as electric power, coal, petroleum, mining, metallurgy, railroad, transportation, chemical industry, agriculture, water conservancy, aviation and so on.

Simo motors are recognized for theirDeep technical heritage和Continuous spirit of innovationThe company has established an excellent brand image in the motor industry, and its products are exported to more than 40 countries and regions such as North America, Europe, the Middle East, Southeast Asia, Africa, Australia, etc., which are trusted and highly praised by users all over the world.

Core Technology Advantage

1. Leading research and development innovation capabilities

Simo Electric always takes technological innovation as the core driving force of enterprise development:

Professional R&D Team: Has a team ofSenior engineers and technologistsThe R&D team, which is composed of a team of researchers, focuses on the cutting-edge research and application development of motor technology.
Continuous technical investment: invest an annual percentage of sales5%-7% As R&D funding to ensure continuous technological innovation and product upgrades
Patented Technology Achievements: Cumulative access toMore than a hundred national patentsA number of products have won national and provincial awards for scientific and technological progress.
Industry-University-Research Cooperation: Establishing strategic cooperative relationships with many well-known universities and scientific research institutions to jointly promote the development of motor technology.

2. Excellent product quality system

Simo Motors has established a comprehensive quality assurance system to ensure that every motor meets the highest quality standards:

International Standard Certification: Fully adoptedISO9001 Quality Management System Certification、ISO14001 Environmental Management System Certification和OHSAS18001 Occupational Health and Safety Management System Certification
Strict quality control: Implementation from raw material procurement to finished product shipment68 strict quality control proceduresEnsure zero defects in products
Advanced testing equipment: Equipped with international advancedMotor Performance Test System、Vibration Analyzer、Noise test equipmentetc., comprehensive testing of various performance indicators of the motor
Continuous Quality Improvement: Establish a perfect quality feedback mechanism, continuously optimize the production process, and improve product quality and stability.

Product Advantage Characteristics

1. Energy efficient technologies

Simo Motors actively responds to the national energy-saving and emission reduction policy and launches a series of energy-efficient products:

High Efficiency Motor Series: To meet the nationalGB18613-2020 standardEnergy efficiency rating, some products reachIE4, IE5 ultra-high efficiency level
Application of energy-saving technologies: AdoptionHigh Quality Silicon Steel Sheet、Low loss bearings、High efficiency cooling systemetc., significantly reducing operational energy consumption
Intelligent control technology: Supporting the advancedFrequency control systemThe optimal control of the motor operating state is realized, and the energy-saving effect is improved 15%-30%

2. Excellent performance

Simo Motor products are characterized byHigh reliability, long service life, low maintenance costsAnd famous:

Powerful power output: Optimized electromagnetic design solutions to ensure that the motorHigh starting torque and high overload capacity
Low vibration and low noise: AdoptionDynamic balancing process和noise reduction technologyThe vibration and noise values are better than the national standards.
Highly adaptable to the environmentProduct design takes into account all kinds of severe working conditions, withResistant to high temperature, humidity and corrosionand other properties
Long life design: The key components are made of special treatment and high quality materials, and are designed to last up to100,000 hoursthat amount or more

3. Complete product range

Simo Motors offers a comprehensive range of products to meet the needs of different customers:

High voltage motorsrange: Voltage level coverage6kV, 10kVMultiple ratings, power range200-10000kW
Low Voltage Motor Series:: IncludesYX3, YE3, YE4and other series, power range0.55-1000kW
Explosion-proof motorsrange: ByNational explosion-proof certificationFor use in flammable and explosive hazardous areas
Specialized motor series: Developed for specific industry needsSpecialized for coal mine, metallurgy, and shipsSpecialty motors
Non-standard customization capability: Strong customization and development capability, according to the customer's needsPersonalized Solutions

Service System Advantage

Simo Motor has established a comprehensive customer service system:

pre-sales technical support: Provide professional selection guidance, program design and product demonstration
Intimate service during the sale: Strict contractual performance, ensuring on-time delivery and providing installation guidance
Comprehensive after-sales protection：24 months warranty，7×24 hours technical support，48-hour on-site servicepromise
Lifetime maintenance support: Establish customer equipment files and provide full life-cycle service support

Industry Application Advantages

Simo motors have accumulated a wealth of application experience in a number of key industries:

Power industry: Provide supporting motors for thermal power, hydropower and nuclear power, with stable and reliable operation.
coal industry: Explosion-proof motor products passed the coal mine safety certification, safety recognized by the industry
petrochemicalsCorrosion-resistant, explosion-proof special motors to adapt to the harsh working conditions and ensure safe production.
Metallurgical industry: High overload capacity, high temperature resistant motors to meet the special needs of metallurgical equipment
Transportation: Specialized motor solutions for railroads, rail transit, ports, etc.

Brand Honors and Certifications

Simo motors have won many honors for their excellent product quality and good market performance:

China Famous Brand Products、National Inspection-free Products、China Famous Trademarks
High-tech enterprises、Provincial Enterprise Technology Center
A number of products won the provincial and ministerial-level scientific and technological progress awards
Contract and Trustworthy Enterprise、Quality and reputation AAA grade enterprise

concluding remarks

Choosing Simo motors is choosingReliable quality assurance、Leading Technical Strength和Complete service supportSimo Motors is a leading manufacturer of electric motors in China. With more than sixty years of professional accumulation, Simo motors have a profound technical background and rich industry experience, and are able to provide customers in various industries with the best quality motor products and perfect power solutions.

In the future, Simo Motor will continue to uphold the "Quality-oriented, innovation-driven, customer first"business philosophy, and constantly improve the level of product technology and quality level, to create greater value for customers, and make greater contributions to the development of China's motor industry.

Simo motors - strong power, excellent energy efficiency and perfect service!