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Cast Iron Shell 3 Phase AC Permanent Magnet Generator with 500W-5000kW Power Range

3 phase permanent magnet generator

cast iron shell AC generator

500W-5000kW permanent magnet generator

Brand Name:

Greef

Certification:

Model Number:

GDF

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Product Details

Classification Of Degrees:

IP54

Magnet Type:

NdFeB

Generatror Shell Material:

Cast Iron

Shaft Type:

Vertical/horizontal

Generator Type:

3 Phase AC Permanent-magnet

Warranty:

3 Years

Cooling Method:

Fan/water/self Cooling

Power Range:

500W-5000kw

Highlight:

3 phase permanent magnet generator

cast iron shell AC generator

500W-5000kW permanent magnet generator

Payment & Shipping Terms

Minimum Order Quantity

1 Set

Price

Negotiable

Packaging Details

Foam+plywooden Case

Delivery Time

25 Working Days

Payment Terms

T/T

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Product Description

Cast Iron Permanent Magnet Generator 3 Phase AC Permanent Magnet Generator

Product Overview

The fundamental concept behind a permanent magnet generator revolves around the use of permanent magnet materials in the rotor. These magnets create a steady and unchanging magnetic field as the rotor spins.

When an external prime mover—such as a wind turbine, water turbine, or engine—drives the rotor to turn, the magnetic field produced by the rotor moves relative to the stator. This movement causes the magnetic field to intersect with the conductors embedded within the stator windings.

Based on the law of electromagnetic induction, this interaction induces an electromotive force (EMF) within the stator windings. Consequently, if the stator circuit is connected to an external load, electrical power is generated and can be delivered to the connected system.

Key Features

High efficiency for optimal performance and energy savings
High power factor for improved electrical efficiency
Compact size for easy installation in various settings
High power density for substantial output in limited space
Large starting torque for reliable startup under heavy loads
Minimal noise levels for quieter operation
Low temperature rise for extended durability and lifespan
Reliable performance under various conditions
Smooth torque and speed control with high mechanical rigidity

Technical Specifications

Type	Electrical Generator
Generator Type	3 Phase AC Permanent-magnet
Winding Method	Y
Cooling Method	Fan / Water / Self Cooling
Generator Shell Material	Cast Iron
Insulating Resistance	100 Mohm Min (500Vdc)
Warranty	3 Years
Rated Voltage	12VAC - 1140VAC
Power Range	500W - 5000kW
Classification Of Degrees	IP54

Applications

Permanent Magnet Generators (PMGs) are renowned for their exceptional efficiency, reliability, and compact design. These attributes have made PMGs the preferred power generation solution across a diverse array of modern industrial sectors.

Wind Power Generation: Essential component in contemporary direct-drive and semi-direct-drive wind turbines, enhancing efficiency at variable speeds
Marine and Offshore: Ideal for ship shaft generators and main/auxiliary power systems due to robustness and minimal maintenance
Backup Power Systems: Incorporated in diesel and gas generator sets for responsive, stable emergency and standby power
High-Speed Applications: Well-suited for microturbines and flywheel energy storage systems
Industrial Special-Purpose: Employed for high power density and exceptional reliability in demanding operational standards

Customization Options

Greef offers customized brushless permanent magnet alternator solutions with the model number GDF, designed and manufactured in China. Our Permanent Magnet Generator products are CE certified, ensuring high quality and reliability.

Order Details: Minimum order quantity of 1 set with negotiable pricing

Packaging: Protective foam and plywood cases for safe delivery

Delivery Time: Approximately 25 working days

Payment Terms: T/T accepted

Technical Features: Y winding method, 100Mohm minimum insulating resistance at 500Vdc, durable cast iron shell

Shaft Options: Customizable vertical or horizontal orientation

Warranty: 3-year warranty on all Permanent Magnet Generator products

Packaging and Shipping

Each Permanent Magnet Generator is carefully packaged to ensure it arrives in perfect condition. The generator is first wrapped in protective foam and secured in a custom-fitted cardboard box to prevent movement during transit. The box is then placed inside a sturdy wooden crate for added protection against shocks and impacts.

All packaging materials are selected to be durable and environmentally friendly. Clear labeling is applied to indicate the contents and handling instructions, including "Fragile" and "This Side Up" markers to guide shipping personnel.

For shipping, we partner with reliable carriers experienced in handling heavy and delicate equipment. The product can be shipped via sea freight, air freight, or land transport depending on the destination and customer requirements. Tracking information is provided to ensure full visibility throughout the delivery process.

Before dispatch, each Permanent Magnet Generator undergoes a final quality inspection to verify it meets all specifications and is securely packaged. Customers can request customized packaging solutions or additional protective measures if needed.

Ratings& Review

Overall Rating

5.0

Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings

5 stars

100%

4 stars

3 stars

2 stars

1 stars

All Reviews

B*v

Uzbekistan Apr 15.2026

Helpful (6)

This canal flows day and night – I never thought it could make money. After Greef installed the system, it runs by itself. Every day I check my phone to see how much electricity was generated and how much I earned. I'll recover my investment in less than a year, and after that it's pure profit.

Tags：

Qingdao Greef New Energy Equipment Co., Ltd

Cast Iron Shell 3 Phase AC Permanent Magnet Generator with 500W-5000kW Power Range

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