ac 3 phase squirrel cage induction motor

AC 3 Phase Squirrel Cage Induction Motor - TEAAC Series 

When your operations demand reliable power transmission, our ac 3 phase squirrel cage induction motor delivers proven performance. Manufactured by Tellhow Shenyang Electric Machine with 500 million RMB registered capital and 8 million kW annual production capacity, these TEAAC series motors feature efficiency ratings up to IE4+, ultra-low vibration (≤1.2 mm/s), and power outputs spanning 160-20000 kW. You'll benefit from Class F/H insulation systems, robust bearing assemblies, and extended lubrication cycles designed for metallurgy, mining, petrochemical, and power generation sectors requiring 24/7 uptime.

What Makes Our Three-Phase Induction Motors Different

Proven Engineering Foundation

You're investing in motors built on solid technical principles. Our squirrel cage design eliminates brushes and slip rings entirely. This means fewer wear points and drastically reduced maintenance windows.

The rotor construction uses high-conductivity materials—either cast aluminum or copper bars. These materials deliver excellent electrical properties while maintaining mechanical strength under continuous operation.

Superior Thermal Management

Heat is the enemy of motor longevity. That's why we've integrated advanced cooling methods into every unit.

You can choose from IC611, IC616, or IC666 cooling configurations. Each system is precisely matched to your operating environment and duty cycle requirements.

Our high-grade silicon steel laminations minimize eddy current losses. This design choice directly translates to cooler operation and longer service life for your equipment.

Global Standards Compliance

Your projects often span multiple countries and regulatory frameworks. We've engineered our motors to meet them all.

Every unit complies with GB, IEC, NEMA, BS, API, and EN standards. You'll find certifications including IEC Ex, ATEX, CCC, CSA, and UL already in place.

This comprehensive compliance portfolio eliminates delays in equipment approval processes. Your procurement teams can specify with confidence.

Technical Specifications at a Glance

Key Performance Advantages

Energy Efficiency That Impacts Your Bottom Line

You're facing rising energy costs across every facility. Our motors address this directly with IE4+ efficiency ratings.

The ac 3 phase squirrel cage induction motor reduces energy consumption by 15-20% compared to standard efficiency models. Over a motor's 15-20 year lifespan, this translates to substantial cost savings.

High power factor during full-load operation means you're drawing less reactive power from the grid. Many facilities see reduced utility penalties and improved electrical system capacity.

Mechanical Reliability in Harsh Environments

Your operations don't stop for weather or dust. Neither do our motors.

Protection ratings up to IP66 shield internal components from water jets and airborne particulates. Whether you're running pumps in a chemical plant or crushers in a mining operation, the motor keeps working.

Robust bearing assemblies handle both radial and axial loads effectively. We've selected bearing types specifically for long service intervals and resistance to contamination.

Flexible Customization for Unique Requirements

No two industrial processes are identical. That's why we offer comprehensive ODM/OEM customization.

Need specific speed configurations? We'll engineer the rotor design to match your exact RPM requirements.

Operating in extreme temperatures? We'll optimize insulation class selection and cooling methods accordingly.

Tight space constraints? Our engineering team can adapt mounting configurations and frame dimensions while maintaining performance specifications.

Applications Across Critical Industries

Power Generation & Utilities

You're keeping the lights on for entire regions. Our motors drive cooling water pumps, fuel handling systems, and auxiliary equipment with unwavering reliability.

The high torque-to-weight ratio delivers exceptional starting performance for heavy loads. Self-starting capability eliminates the need for auxiliary starting equipment.

Metallurgy & Heavy Manufacturing

Continuous casting lines, rolling mills, and material handling systems demand motors that withstand constant high-torque operation.

Our Class F or H insulation systems tolerate thermal stress from ambient heat and frequent start-stop cycles. You'll experience fewer unplanned shutdowns.

Mining & Mineral Processing

Crushers, ball mills, and conveyor systems operate in some of the most punishing environments.

The compact frame design with high power density gives you maximum output in constrained spaces. Low vibration characteristics (≤1.2 mm/s) reduce structural fatigue on mounting points.

Petrochemical Processing

When you're handling flammable materials, safety isn't optional. Our explosion-proof variants (Ex ec, Ex pxb, Ex pzc, Ex tb) meet the strictest zone requirements.

Chemical resistance and sealed construction protect against corrosive atmospheres that would degrade standard motors within months.

Installation and Integration Considerations

Dimensional Interchangeability

You need replacement motors that fit existing foundations without costly modifications. Our adherence to NEMA MG1 and IEC 60034 standards ensures consistent frame sizes.

Mounting dimensions match industry standards precisely. Your maintenance teams can execute motor swaps during planned outages without structural changes.

Electrical Compatibility

The ac 3 phase squirrel cage induction motor integrates seamlessly with both direct-on-line (DOL) starters and soft-start systems. Rated slip typically ranges from 1% to 5%, providing stable speed regulation under varying loads.

Connection flexibility accommodates star-delta starting, auto-transformer starting, or direct connection depending on your electrical infrastructure and process requirements.

Lifecycle Service and Support

We've established a global service network specifically to support your operations. You'll have access to localized technical support regardless of where your facilities operate.

Our spare parts supply chain maintains critical components in regional distribution centers. This strategic inventory positioning minimizes your downtime exposure.

Professional engineering consultation is available throughout the motor lifecycle—from initial specification through commissioning, operation, and eventual refurbishment or replacement planning.

Why Partner With Tellhow Shenyang Electric Machine

You're not just purchasing a motor—you're establishing a relationship with a manufacturer committed to your long-term operational success.

Our 190,000 square meter production facility in Shenyang Science and Technology Industry Park houses advanced manufacturing cells and quality control laboratories. This integrated approach ensures consistency across all 49 series and 2,100+ specifications we produce.

With technological innovation as our core philosophy, we continuously invest in research and development. You benefit from these advancements through improved efficiency ratings, enhanced materials, and smarter monitoring capabilities in each product generation.

The "National Tellhow, International Tellhow" vision drives our commitment to becoming a globally recognized manufacturing base. Your international projects receive the same engineering excellence and support quality regardless of geographic location.

Frequently Asked Questions

Q: What maintenance intervals should I expect with these motors?

A: Our extended lubrication cycles significantly reduce routine maintenance requirements. Depending on operating conditions, bearing relubrication intervals typically extend to 8,000-10,000 operating hours. We recommend inspection schedules based on your specific duty cycle, but many customers operate 12-18 months between planned maintenance windows.

Q: Can these motors operate with variable frequency drives?

A: Yes, our variable frequency models feature reinforced insulation systems designed specifically for VFD applications. The motors handle voltage spikes associated with PWM waveforms without insulation degradation. For low-speed VFD operation, independent cooling fans (IC416 configuration available) maintain adequate airflow even at reduced RPMs.

Q: How do you prevent bearing damage from VFD-induced shaft currents?

A: We offer insulated non-drive-end (NDE) bearings as standard on VFD-rated models above 200 kW. Shaft grounding rings provide an additional protection layer by diverting capacitive discharge currents. For installations with cable runs exceeding 50 meters between VFD and motor, we recommend dv/dt filters to mitigate reflected wave phenomena.

Q: What differentiates your explosion-proof motors from standard industrial motors?

A: Our Ex-rated units incorporate enhanced construction beyond standard motors. This includes specialized winding bracing to prevent vibration-induced conductor movement, increased creepage and clearance distances in terminal boxes, and additional temperature monitoring points. The 'tE time'—time to reach limiting temperature under fault conditions—is carefully engineered to ensure safe operation in classified hazardous locations.

Q: Do you provide power factor correction recommendations?

A: Absolutely. While the motor's inherent power factor varies with load (typically 0.85-0.92 at rated load), we can specify your electrical requirements during the consultation phase. For facilities with multiple motors, we often recommend centralized automatic power factor correction (APFC) systems at the motor control center rather than individual capacitor banks, especially when VFDs are present in the system.

Q: What documentation do you provide for regulatory compliance?

A: Every motor ships with a complete technical file including dimensional drawings, electrical schematics, characteristic curves (torque-speed, current-speed, efficiency-load), test reports, and applicable certification documents. This documentation package satisfies most project engineering requirements and regulatory submissions without additional information requests.

Ready to Specify the Right Motor for Your Application?

Contact our engineering team today to discuss your specific requirements for ac 3 phase squirrel cage induction motor.

Email us at: sxmotor@yeah.net