Product Advantages
High energy storage density, high instantaneous power output
Capable of delivering greater energy within short durations, facilitating rapid equipment response.
Extended service life
Supports frequent charge-discharge cycles without performance degradation, featuring exceptionally long system cycle life with a design lifespan of 30 years.
Environmentally friendly
Presents no safety hazards such as chemical substance release or chemical explosions.
High energy conversion efficiency
Electrical-to-kinetic energy conversion efficiency exceeds 88%, with overall energy storage system efficiency surpassing 86%.
High reliability, maintenance-free
Operates stably; the adoption of electromagnetic bearings eliminates mechanical wear, enabling essentially maintenance-free operation.
Application Scope
Product Parameters
| Parameter | 1MW/15MJ Flywheel System | 1MW/40MJ Flywheel System | 300kW/100MJ Flywheel System |
| Energy Storage | 15MJ (4.2kWh) | 40MJ (11.1kWh) | 100MJ (27.8kWh) |
| Peak Power for Charge/Discharge | 1.0MW | 1.0MW | 300kW |
| Maximum Speed | 20000rpm | 13000rpm | 15000rpm |
| Linear Speed | 523.3m/s | 400m/s | 750m/s |
| Rated Voltage | 1500VDC | 1500VDC | 1000VDC |
| Application Scenarios | Rail Transit | Rail Transit | Wind Power/Power Grid Frequency Regulation/UPS |
| Motor | Permanent Magnet Synchronous | Permanent Magnet Synchronous | Permanent Magnet Synchronous |
| Flywheel Energy Density (Wh/kg) | 9.5 | 9.3 | 19.8 |
| Charge/Discharge Cycle | 27s | 30s | 336s |
| Response Time | ≤100ms | ≤100ms | ≤100ms |
| Discharge Depth | 75% (3.1kWh) | 75% (8.3kWh) | 75% (20.8kWh) |
| Energy Conversion Efficiency (%) | ≥88% | ≥88% | ≥88% |
| Product Self - Loss | <3% | <3% | <3% |
| Noise | ≤80dB at full load | ≤80dB at full load | ≤80dB at full load |
| Bearing Type | Permanent Magnet Bias - Type Hybrid Electromagnetic Bearing | Permanent Magnet Bias - Type Hybrid Electromagnetic Bearing | Permanent Magnet Bias - Type Hybrid Electromagnetic Bearing |
| Operating Temperature | -40°C~45°C (Rated Operation Above 45°C) | -40°C~45°C (Rated Operation Above 45°C) | -40°C~45°C (Rated Operation Above 45°C) |
| Applicable Environmental Humidity | ≤95% | ≤95% | ≤95% |
| Cooling Method | Water - Cooled | Water - Cooled | Water - Cooled |
| System Weight | 3700kg | 4550kg | 6500kg |
| System Overall Dimensions (Width × Depth × Height)/mm | 3410×1000×2200 | 3500×1200×2200 | 3410×1500×2200 |
| Cycle Times | 10000000 times | 10000000 times | 10000000 times |
Keywords:XEMC
Flywheel Energy Storage System
Classification：Products
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OUR PRODUCT
Distributed Phase-Shifting Machine
With the implementation of the new GB 38755-2019 Guidelines for Security and Stability of Power Systems, requirements for short-circuit capacity and inertial support at new-energy stations have risen sharply. Distributed synchronous condensers are thus set to become standard equipment at such stations. High-capacity synchronous condensers offer outstanding reactive-power compensation; their sub-transient characteristics keep the internal voltage practically constant during faults, allowing them to absorb or inject large amounts of reactive power instantaneously and thereby safeguard grid operation. In particular, as the country vigorously expands its new-energy power sector, the deployment of distributed synchronous condensers can effectively counteract current surges, frequency deviations, voltage fluctuations and flicker—mitigating the inherent volatility and intermittency of renewable-energy sources.
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Flywheel Energy Storage System
Flywheel energy storage constitutes a physical energy storage method, harnessing the kinetic energy inherent in a rotating body to store and release electrical energy. This conversion between kinetic and electrical energy is achieved via an electric motor/generator coaxially mounted with the flywheel assembly. When operating as a motor, the drive unit accelerates the flywheel rotor, converting input electrical energy into stored kinetic energy. When operating as a generator, the drive unit decelerates the flywheel rotor, converting stored kinetic energy back into electrical energy for output. The acceleration and deceleration of the drive unit are controlled by a dedicated control unit.
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·The QF and QFW series synchronous generators represent a range developed to high standards and specifications through the introduction, assimilation and adaptation of advanced motor manufacturing technologies from both domestic and international sources. This development draws upon our company's extensive design and manufacturing expertise accumulated over more than eighty years. ·This series of generators boasts significant advantages including rational design, compact structure, superior craftsmanship, reliable operation, ease of maintenance, and extended service life. They offer excellent compatibility with various prime movers such as steam turbines and gas turbines. They are widely applicable in energy-saving and environmentally friendly sectors including biomass power generation, waste heat and pressure power generation, natural gas or coal gas utilization power generation, and combined heat and power generation.
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WHY CHOOSE US
Technical research and innovation capability
XEMC is the enterprise in China that promotes the most efficient motor models and has the widest coverage. Since 2010, its promotion volume has consistently ranked first in the industry. The "Ultra green" series of motor products developed by XEMC achieves a motor efficiency of 96.91%, with key technical indicators at the internationally leading level.
ONLINE MESSAGE
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