Global and U.S. Homopolar Generators Market Report, Published by QY Research.

Homopolar Generators, also known as unipolar or Faraday disc generators, are direct-current (DC) electrical machines that produce a steady output voltage through the motion of a conductive disc or cylinder in a constant magnetic field. Unlike conventional AC generators, homopolar generators operate without commutation or field reversal, generating a continuous low-voltage, high-current output. These devices are used in pulsed power systems, research laboratories, railgun power supplies, and high-energy physics applications where rapid energy discharge and high current density are required. Their simple mechanical structure provides high efficiency, low electromagnetic interference, and long service life under heavy-duty conditions. Modern designs employ superconducting magnets, advanced brush materials, and composite rotors to enhance energy density and operational reliability.

https://www.qyresearch.com/reports/5184273/homopolar-generators

Core market data:

Global market size: USD 408 million
CAGR (2024-2030): 5.1%
Average price: USD 37,000 per unit
Annual production: 11,000 units
Gross margin: 34%
Production capacity: 14,000 units

List of Main players:

Caterpillar (USA)
Cummins (USA)
Generac (USA)
Mitsubishi (Japan)
Siemens (Germany)
ABB Group (Switzerland)
General Electric (USA)
Atlas Copco (Sweden)
Kohler (USA)
Doosan (South Korea)

1. By Design Type

Single-Disk Generator
Dual-Disk Generator
Multi-Rotor Configuration

2. By Magnetic Source

Permanent Magnet Field
Electromagnet Field
Superconducting Magnet Field

3. By Cooling Method

Air-Cooled
Oil-Cooled
Liquid Nitrogen Cooling

4. By Output Specification

Low Voltage (500 V)

5. By Application

Pulsed Power Systems
Research Laboratories
Defense Electromagnetic Launch Systems
Heavy Industrial Welding Power
Energy Storage and Discharge Systems

Case study for bidding

Time: May 2023

Supplier: General Atomics

Buyer: U.S. Department of Defense

Product: Cryogenically cooled superconducting homopolar generators

Quantity: 6 units

Contract Value: USD 58 million

Delivery Timeline: December 2025

Case study for end using

End user: National High Magnetic Field Laboratory

Purpose: High-current power supply for pulsed magnet experiments

Quantity: 3 units installed in 2023

Performance: Delivered current pulses exceeding 2 MA (mega-amperes) with

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This release was published on openPR.