Low Noise 30kW 250rpm Permanent Magnet Generator for Hydro Turbine 400V 50Hz
Price:
USD 3,600-5,200 / Set
MOQ:
1 Set
Delivery Time:
15-25 working days after deposit
Brand:
ECER
Product Description
Low Noise 30kW Permanent Magnet Generator 250rpm 400V Quiet PMG Hydro Turbine
Low Noise 30kW Permanent Magnet Generator
This low noise 30kW permanent magnet generator is specially optimized for run-of-river and pico hydro turbine stations where quiet operation is required. At 250rpm the generator produces 400V 50Hz three phase power with noise level controlled below 65 dB(A), suitable for residential and ecological sensitive areas.
As a permanent magnetic generator without excitation windings or slip rings, it offers high efficiency at partial load, which is a typical working condition of small hydro units. The compact structure simplifies installation between turbine and controller.
Key Features
- Noise level below 65 dB(A) measured at 1 meter
- High partial load efficiency for variable water flow
- No excitation system, no carbon brushes, maintenance free
- Class H insulation with 36 pole low speed design
- Natural cooled body, suitable for continuous operation
- Smooth sine wave output for inverter or grid connection
Structure Diagram
Technical Specifications
| Rated Power | 30kW |
|---|---|
| Rated Speed | 250rpm |
| Rated Voltage | 400V AC |
| Frequency | 50Hz |
| Phase | 3 Phase |
| Number of Poles | 36 |
| Efficiency | 94% |
| Noise Level | Below 65 dB(A) at 1m |
| Insulation Class | Class H (180°C) |
| Protection Class | IP54 |
| Cooling Method | Natural Cooled |
| Application | Hydro Turbine |
Application Scene
Typical Applications
- Small hydro turbine stations
- Micro hydro power plants
- Water supply pipeline energy recovery
- Low speed wind power
Custom shaft and flange options are available for turbine matching. Contact us for the performance curve and installation manual.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
QINGDAO ENNENG MOTOR CO.,LTD.
Location
Haichuang New Energy & New Materials Industrial Park, No. 1 Guiding Road, Licang District, Qingdao, Shandong, China
Contact Person
Cindy

