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For HSP, each day is an investment in the future. Discover our Research & Development division and see how we shape tomorrow’s solutions – today.

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For decades, we have been driving innovation in the high-voltage sector. By promoting new perspectives, we remain at the cutting edge.

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Cooling Gas Resistant Solutions

Generator bushings

HSP bushings for generators or electric machines are suitable for internal spaces and are resistant to generator cooling gases. The EMH and EMI/EKMI types are designed for rated voltages of 12 to 36 kV and rated currents of up to 36 kA and operate with a solid active component made of resin-impregnated paper.

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Business benefits that set you apart

Proven Resin Technology

HSP's generator bushings utilize decades-proven cast resin insulation technology that has been field-tested in demanding generator environments worldwide. This reliable design eliminates the need for oil-filled systems, providing maintenance-free operation and consistent performance throughout the bushing's operational life.

Flame Resistant Design

All HSP generator bushings incorporate flame-resistant materials and construction methods that meet stringent fire safety standards for electrical machinery applications. This inherent flame resistance provides critical protection in generator environments, reducing fire hazards and enhancing overall system safety.

Partnership Engineering

HSP generator bushings are developed in close coordination with leading generator manufacturers, ensuring optimal compatibility and seamless integration. This collaborative approach guarantees that each bushing is precisely engineered to meet the specific requirements and operating conditions of modern electrical machines.

Generator Bushings – Proven technology for reliable operation

Featuring proven cast resin insulation technology and flame-resistant design, these oil-free bushings are specifically developed in coordination with generator manufacturers to ensure optimal compatibility. Whether you need controlled air cooling (EMH) or guided gas cooling (EKMI), HSP's generator bushings provide maintenance-free operation and reliable performance in demanding internal generator environments.

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EMH Generator Bushings: Air-Cooled Reliability

HSP's EMH generator bushings combine proven cast resin insulation with controlled air cooling from the machine side, delivering maintenance-free performance for voltages up to 36 kV and currents up to 36 kA. Developed in close coordination with generator manufacturers and featuring flame-resistant properties, these oil-free bushings with resin-impregnated paper cores provide reliable, safe operation that meets IEC 60137-1995 and DIN 48124 standards for demanding generator applications.

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Proven Generator Solutions for Modern Power

As the global energy landscape evolves toward renewable sources and distributed generation, HSP's oil-free generator bushings provide the reliable, maintenance-minimal solutions that modern power plants demand. These flame-resistant bushings directly support the industry's push for more sustainable and efficient power generation while future-proofing generator systems through proven cast resin technology and collaborative manufacturer development.

Our aim ist to offer our customers future-proof solutions – for sustainable benefits.

hans_gronau Hans Julius Gronau Managing Director
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