High-voltage three-phase synchronous motor-generator

High-Voltage Three-Phase Synchronous Motor-Generator 

If your facility needs both motor and generator functions in one rugged device, our high-voltage three-phase synchronous motor-generator offers unequaled adaptability. These units with power outputs from 30,000 kW to 150,000 kW are manufactured by Tellhow Shenyang Electric Machine Co., Ltd., a modern facility with registered capital of 500 million RMB and total production capacity of 8 million kW. You’ll enjoy the benefits of our sophisticated VPI insulation technology, speeds from 1,500 to 3,600 rpm and voltage flexibility from 6,000V to 15,750V. Our solutions provide protection ratings from IP21 to IP56 with IC81W cooling, ensuring dependable operation in power production, energy storage and industrial recovery applications.

What Makes Our Motor-Generators Stand Out

Dual-Mode Excellence

Two machines in one small design

Seamlessly switch between motor and generator operation, with no down-time. This flexibility is a great asset for energy storage systems, peak shaving applications and regenerative industrial processes. Your facility gets operational adaptability with a smaller equipment footprint and lower capital investment.

Superior Efficiency Engineering

The devices utilize proprietary magnetic circuit designs that minimize energy usage by 15–20%.

Better heat dissipation capabilities guarantee uniform performance even under full load operation all the time. You will have reduced operating temperatures and longer component life. The alloy forged steel rotor structure gives excellent mechanical strength and thermal stability.

Quiet and Smooth Operation

Vibration levels are minimized via sophisticated balancing processes.

Experience the noise reduction that makes for safer, more pleasant working conditions. This makes our motor-Generators excellent for use near inhabited buildings or in noise sensitive locations. Your maintenance crew will like the lower wear from smooth running.

Built for Demanding Environments

The IC81W is cooled by closed-circuit water circulation.

It protects internal parts from dust, moisture and corrosive atmospheres. Whether you work in coastal areas, mining operations or chemical factories, your equipment will be safeguarded. The pressurized bearing seals avoid contamination that often causes early failures.

Technical Specifications

Applications That Benefit Most

Energy Storage Systems

Your compressed air energy storage (CAES) or pumped hydro sites require equipment that can effectively manage bidirectional power flow.

Our high-voltage three-phase synchronous motor-generator excels in charge-discharge cycles. quick torque response enables quick mode change in the grid stabilization operation.

Industrial Energy Recovery

Trapping waste energy from industrial operations and recycling it back into useable electricity.

Pressure letdown stations, blast furnace gas expansion, and process exhaust systems become income producers instead of energy losers. You will get tangible ROI via lower utility expenditures.

Power Generation

Whether you’re developing new generating capacity or improving existing infrastructure, our units work seamlessly with gas turbines, steam turbines or diesel engines.

It has smart adaptive load control to keep the output steady when demand circumstances change. Your grid synchronization is more stable and more efficient.

Mining and Metallurgy

These industries need equipment that can endure extreme circumstances and yet operate efficiently.

Our motor generators are designed to manage the intense cyclic loads characteristic of grinding mills, crushers and material handling systems. Rugged construction for many years of dependable performance in abrasive, high temperature conditions.

Why Partner With Us

Proven Manufacturing Excellence

Since we began in 2011, we have generated over 2,100 specifications in 49 product lines.

We have a 190,000 square-meter plant that blends traditional craftsmanship with sophisticated production techniques. You are supported by quality control procedures in line with international standards including CE, IEC and CCC certifications.

Comprehensive Customization

We recognize that no two facilities are the same.

With our ODM/OEM skills, we can modify the power output, optimize the insulation class and change the structure. We can accommodate your needs from small-batch prototypes to large-scale production runs. Your particular voltage, speed, and atmosphere become our design parameters.

Global Support Infrastructure

Quick response when you need help with our specialized technical support.

Professional engineering assistance throughout planning and commissioning stages. Minimized downtime risks with our dependable spare parts supply network. Lifecycle maintenance services keep your investment performing at its best for years to come.

Economic Value Proposition

Initial investment is important, but total cost of ownership shows the actual picture.

We use higher-quality components in our motor-generators, which means maintenance is needed less often. Improved energy efficiency results in ongoing savings. System integration efficiency translates to decreased installation costs and reduced project time.

Industries We Serve

Our motor-generators provide reliable solutions across diverse sectors:

• Power Generation: Grid-connected facilities and independent power producers
• Mining Operations: Material handling and ore processing systems
• Metallurgical Plants: Rolling mills and continuous casting equipment
• Petrochemical Facilities: Compressor drives and process equipment
• Water Treatment: Pumping stations and desalination plants
• Construction Materials: Cement production and aggregate processing
• Environmental Protection: Waste-to-energy and emissions control systems

Each application benefits from our commitment to technological innovation and sustainable manufacturing practices.

Innovation Meets Reliability

Your operational success depends on equipment that performs consistently under demanding conditions.

Our high-voltage three-phase synchronous motor-generator represents decades of engineering refinement. Advanced control algorithms optimize performance across varying load conditions. High-precision manufacturing ensures components fit perfectly and wear evenly. Multi-dimensional condition monitoring capabilities enable predictive maintenance strategies.

You're not just purchasing a motor-generator—you're gaining a strategic partner committed to your long-term success. Our "National Tellhow, International Tellhow" philosophy drives continuous improvement in product quality and customer service.

Frequently Asked Questions

Q: What advantages do synchronous motor-generators offer over induction types?

A: You'll achieve superior efficiency—typically 2-4% higher than comparable induction units.

The ability to operate at unity or leading power factor improves your facility's overall electrical system. This often eliminates the need for separate power factor correction equipment. You also get precise speed control without frequency variation.

Q: How complex is the maintenance schedule?

A: These units are designed for minimal maintenance intervention.

Bearing inspections occur every 6-12 months depending on operating hours. The pressurized sealing system prevents contamination that typically necessitates frequent cleaning. VPI insulation withstands thermal cycling without degradation. Most customers find annual preventive maintenance sufficient.

Q: Can your units operate in extreme temperature environments?

A: Yes, we offer specialized versions rated from -50°C to +50°C ambient conditions.

Space heaters maintain minimum temperatures during shutdown periods. Low-temperature synthetic lubricants ensure bearing protection in cold climates. Tropical configurations include enhanced ventilation and moisture-resistant treatments for high-humidity regions.

Q: What's the typical delivery timeline for custom specifications?

A: Standard configurations ship within 12-16 weeks from order confirmation.

Custom voltage ratings or special mounting requirements may extend lead time to 18-24 weeks. We provide detailed project timelines during the quotation phase. Your production scheduling can integrate with our manufacturing calendar for optimal coordination.

Q: How do you ensure protection grade requirements are met?

A: Each unit undergoes rigorous testing before shipment.

IP grade verification includes water spray tests and dust ingress simulations. We provide test certificates documenting compliance with specified protection standards. Installation guidance ensures field assembly maintains factory integrity.

Q: What warranty coverage do you provide?

A: Standard warranty covers 18 months from commissioning or 24 months from shipment, whichever comes first.

This includes materials, workmanship, and design defects. Extended warranty options are available for critical applications. We also offer preventive maintenance contracts that extend component lifespan well beyond warranty periods.

Ready to Enhance Your Power Systems?

Contact our engineering team to discuss your specific requirements for high-voltage three-phase synchronous motor-generator.

Email us at: sxmotor@yeah.net