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GOB+ Oil Impregnated Paper (OIP) Bushings

Continuing the Legacy, Advancing Performance



GOB+ represents the next chapter of excellence in OIP transformer bushing technology. Meticulously designed and engineered by Hitachi Energy to meet the industry's evolving needs, it builds upon the rich heritage of the renowned GOB brand and sets a new standard for performance and reliability in transformer bushings.

Watch the film to explore the potential of GOB+.


Product Development:

GOB+ is the culmination of Hitachi Energy's decades-long commitment to excellence in transformer bushing technology. Transformer bushings developed by Hitachi Energy through continuous research, development, and engineering refinement have proven their reliability and robustness over decades.

The GOB+ range significantly improves the existing GOB series, which is a global best-seller with over 250,000 units delivered successfully over the past 50 years. GOB+ is the next generation of GOB with a broader range, upgraded ratings, and superior features that comprehensively accommodate global standards and market requirements.

GOB+ has been designed and optimized to deliver unparalleled performance and reliability in a wide range of operating conditions. Every aspect of GOB+ has been carefully crafted to exceed industry standards and customer expectations, ensuring maximum efficiency and durability.

GOB+ OIP bushings

Key Features

Enhanced Reliability

GOB+ offers unmatched reliability, ensuring uninterrupted operation and minimal downtime. With its advanced insulation technology and robust construction, GOB+ is designed to withstand even the harshest environmental conditions, providing peace of mind to operators.

Superior Thermal Performance

GOB+ boasts superior thermal performance capacity, allowing it to effectively dissipate heat and maintain optimal operating temperatures. This ensures consistent and reliable performance, even under high load conditions, while minimizing the risk of overheating and premature failure.

Optimized Electrical Field Distribution

With finely graded capacitive insulation, GOB+ ensures optimized electrical field distribution, reducing the risk of partial discharge and ensuring long-term stable performance. This advanced insulation design enhances the bushing's overall reliability and longevity, contributing to extended service life and reduced maintenance costs.

Mechanical Strength and Durability

Designed to exceed cantilever load level II requirements of IEC 60137, GOB+ offers superior mechanical strength and durability, capable of withstanding mechanical stresses and environmental factors. This ensures reliable performance and longevity in demanding applications, providing operators with confidence in their equipment's performance.

Safety Features

GOB+ incorporates various safety features, including a safety feature in the flange to prevent radial slip during transportation, ensuring the integrity of the bushing during handling and installation. Additionally, the inclusion of an oil expansion vessel and large oil-sight prism glass facilitates easy visualization of oil levels, enhancing safety and maintenance efficiency.
GOB+ OIP bushings


Enhanced Performance

Experience superior performance and efficiency with GOB+, thanks to its advanced design and innovative features. From optimized electrical field distribution to superior thermal performance, GOB+ delivers unrivaled performance in transformer bushing technology.

Reliability and Durability

Built to last, GOB+ offers exceptional reliability and durability, ensuring uninterrupted operation and minimal maintenance requirements. With its robust construction and advanced insulation technology, GOB+ is engineered to withstand the rigors of the most demanding applications, providing operators long-term reliability and peace of mind.

Designed for current and future needs

Designed to meet current industry standards and anticipate future requirements, GOB+ is equipped to handle the industry's evolving needs. With its modular design and customizable configurations, GOB+ offers versatility and adaptability to changing operating conditions, ensuring continued performance and value for years to come.

Three reasons to choose GOB+ OIP bushings

GOB+ represents a new era in transformer bushing technology, embodying Hitachi Energy's commitment to excellence, innovation, and customer satisfaction. With its unmatched performance, reliability, and durability, GOB+ sets a new standard for transformer bushings, delivering superior value and peace of mind to operators worldwide.

Learn more about GOB+ with this leaflet and how it can benefit your operations. Contact us today to speak with a representative or schedule a demonstration.

GOB+ OIP bushings
GOB+ OIP bushings

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