RHM International is proud to be recognized for its continued innovation in high-voltage power grid equipment. Corporate Vision Magazine named RHM International the Most Innovative Power Grid Technology Firm in North America as part of its 2023 Corporate Excellence Awards, reflecting the company’s long-standing commitment to re-engineering critical grid interface equipment for safer, more reliable, […]
RHM INTERNATIONAL RE-ENGINEERING HIGH-VOLTAGE INTERFACES AT SCALE
High Voltage Power Grid Equipment Manufacturer Company of the Year 2026 RHM International eliminates failure points at the high-voltage grid interface, enabling utilities to modernize aging infrastructure without increasing operational exposure. That capability has become increasingly critical as transmission networks are pushed to deliver greater capacity and reliability under tighter environmental, safety and regulatory constraints. […]
RIF® TRANSFORMER BUSHINGS THE BEST LEAD TIMES IN THE INDUSTRY FOR DRY TYPE RESIN IMPREGNATED INSULATION BUSHINGS
Today the power transformer industry is facing a new challenge with bushing deliveries now a critical path item for power transformer manufacturers. Rising demand due to increasing electrification worldwide coupled with supply chain challenges has led to a transformer shortage and significantly higher prices. A recent key challenge for transformer manufacturers now includes long deliveries […]
Trade Show 2026
Doble exhibition Boston: Booth 306 IEEE T&D Chicago: booth 3056 CWIEME Berlin: booth 27F80 CIGRE Paris: booth A117 CIGRE Canada: booth 211
RHM INTERNATIONAL ATTENDS THE CIGRE 2025 INTERNATIONAL SYMPOSIUM IN MONTREAL
The symposium took place from September 29 to October 3, 2025 at the Montreal Palais des Congres in Canada and offered networking opportunities through many events including an exhibition and paper sessions. RHM International showcased its technologies and products at the symposium which was attended by over 1900 delegates from across the world. The symposium […]
Do You Need A Like-For-Like Transformer Bushing Replacement?
Most utilities still maintain a large inventory of legacy (40+ years) transformers that are still in-service with their original supplied OIP bushings. Because of the standards and generous margins used in the design and construction of these older transformers, these transformers continue to provide reliable service. However, it is well known that over time dielectric […]
Successful Type Test of HV_DryShield® Capacitor Voltage Transformer (CVT)
RHM International announces the successful type test of a major innovation: HV_DryShield® Capacitor Voltage Transformer (CVT). The first ever HV dry type CVT WITH NO OIL, NO GAS. Leaning on the expertise of our established patented HV_DryShield® dry insulation technology, RHM International has completed the development of the first dry type, paperless high voltage Capacitor […]
Dissection Analysis of a 110 kV Dry Type HV DryShield® Current Transformer After 20 Years of Maintenance-Free Operation on the Chinese Southern Power Grid
In the 1990’s a new type of dry insulation technology made of synthetic materials was introduced in China for high-voltage current transformers. This technology used no oil or gas and no paper, instead using PTFE (PolyTetraFluoroEthylene) film as the main insulation for the primary condenser core. PTFE is an excellent electrical insulation material with an […]
Choosing the Right Bushing Technology to Mitigate the Consequences of a Bushing Turret Rupture
In a recent CIGRE publication the loss of a single phase GSU transformer due to an HV bushing turret rupture was discussed. In this case an OIL/SF6 RIP bushing failed catastrophically inside its turret which led to the rupture of the turret and the loss of a multi-million-dollar transformer from the resultant fire. Transformer manufacturers […]
RHM International Paper Selected Second Best Overall Paper at Cigre Canada 2023
RHM International recently attended the CIGRE Canada 2023 conference in Vancouver, British Columbia which was held from September 25th to 27th, participating as an exhibitor while also presenting a technical paper titled “New Dry Type Insulated Products for Your IEC 61850 Digital Substation.” We are proud to announce that our paper was selected second best […]
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