ROCKWILL – Case Studies

Rockwill Strengthens Partnership in Indonesia with Bulk Delivery of RLS SF6 Load Break Switches

Project Summary In July 2022, Rockwill successfully completed a significant bulk shipment of RLS SF6 Load Break Switches to the Indonesian market. This large-scale delivery underscores the growing demand for Rockwill's high-performance electrical components in Southeast Asia and marks another milest

By Rockwill 10/08, 2025

Case Studies

84 Units 33kV Outdoor SF6 Load Break Switches for Tanzania White City Power Project

Rockwill has successfully delivered 84 units of 33kV outdoor SF6 load break disconnectors. The equipment has been officially commissioned and connected to the grid for operation in the White City Power Project of Tanzania REA Phase II, empowering the upgrading and improvement of rural power grids in

By Rockwill 05/14, 2026

Case Studies

22kV Industrial Park LBS Smart Upgrade in Bac Ninh, Vietnam: Triple Protection + Online Monitoring, Zero-Arcing to Guard Precision Manufacturing Power Lines

Project Overview The 22kV industrial park in Bac Ninh Province, Vietnam, hosts numerous electronics and precision machining enterprises. The original vacuum load break switches (LBS) accelerated in aging due to high temperature, high humidity, and coastal salt spray, lacking online monitoring and re

By Rockwill 03/05, 2026

Case Studies

Full-Lifecycle Lean Management for Vacuum load break switch: Achieving a 90% Drop in Failures and Significant O&M Cost Reductions

Industrial power distribution demands robust full‑lifecycle management for key switchgear. Traditional maintenance modes struggle against pollution‑induced equipment risks on‑site. Project Overview A 18kV distribution network in an industrial park previously operated over 30 vacuum load break switch

By Rockwill 03/05, 2026

Case Studies

Arc-Extinguishing System Renewal for 24kV Industrial Park Vacuum LBS: 30 Units Remedied of Arcing Hazards, Annual Loss Avoidance Exceeding 1 Million RMB

Vacuum load‑break switches are critical for reliable power supply within industrial facilities. Inferior arc‑extinguishing components may trigger arcing faults and substantial economic losses under actual operating conditions. Project Overview In a 24kV industrial park distribution network, over 30

By Rockwill 03/05, 2026

Case Studies

Salt Spray Protection Upgrade for Coastal 15kV Distribution Vacuum LBS: 15 Units Operating with Zero Flashovers, Annual Loss Avoidance Exceeding 100,000 RMB

Coastal grids face severe salt‑spray corrosion threats to outdoor distribution equipment. Standard switchgear often suffers insulation flashover under harsh marine atmospheric conditions. Project Overview Fifteen vacuum load break switches (LBS) in a coastal town’s 15kV distribution network experien

By Rockwill 03/05, 2026

Case Studies

Three-Scenario Customization: Environmental Adaptability Upgrade for High-Altitude, Coastal, and Industrial Vacuum Load Break Switches

Distribution switchgear encounters distinct operational risks under high‑altitude, coastal and industrial conditions.Off‑the‑shelf general‑purpose equipment hardly meets the complex environmental requirements of diverse power‑supply scenarios. Project Overview A regional distribution network simulta

By Rockwill 03/05, 2026

Case Studies

10kV Vacuum LBS Arc Upgrade: 30 Units Remedied, Zero-Arcing, and 1M+ RMB Annual Loss Avoidance.

Vacuum interrupter performance directly determines the operational safety of industrial distribution networks.Degraded arc‑extinguishing components may induce arcing faults and heavy economic losses in production scenarios. Project Overview After two years of operation, over 30 low-cost vacuum load

By Rockwill 03/05, 2026

Case Studies

Rockwill 69 kV Dead Tank Circuit Breakers have been integral to smart substation upgrades, achieving near-perfect power supply reliability.

Dead‑tank circuit breakers serve as key equipment guaranteeing safe operation of smart substations.Coastal high‑salt‑humidity environments raise stringent requirements for equipment reliability and environmental adaptability. Project Overview Deployed in a 110kV smart substation upgrade at a coastal

By Rockwill 03/03, 2026

Case Studies

Rockwill Dead Tank Circuit Breakers have been successfully put into operation under extreme cold and strong sandstorm conditions.

High‑voltage dead‑tank circuit breakers serve as core assets for large‑scale power grid interconnection.Extreme cold and heavy sandstorms impose severe tests on equipment mechanical and insulating performance. Project Overview Deployed in the 330kV Geermu substation upgrade (Qinghai, China), the RMR

By Rockwill 03/03, 2026

Case Studies

Rockwill Dead Tank Circuit Breakers Empower Intelligent Retrofit of 72.5kV Substations in Extremely Cold Regions

High‑voltage circuit breakers are vital cornerstones for stable power supply in frigid alpine regions.Extremely low temperatures easily trigger SF₆ liquefaction and mechanism failure for conventional substation equipment. Project Overview In the intelligent transformation project of a 72.5kV substat

By Rockwill 03/03, 2026

Case Studies

Rockwill Supplies Critical Substation Equipment to Support Zambia's Grid Modernization

Project Overview In May 2022, Rockwill successfully prepared and shipped a comprehensive suite of substation equipment to Zambia. This shipment was part of ongoing efforts to enhance the reliability and operational efficiency of the region's power infrastructure, supporting Zambia's growing industri

By Rockwill 10/08, 2025

ROCKWILL Case Studies

Rockwill Strengthens Partnership in Indonesia with Bulk Delivery of RLS SF6 Load Break Switches

84 Units 33kV Outdoor SF6 Load Break Switches for Tanzania White City Power Project

22kV Industrial Park LBS Smart Upgrade in Bac Ninh, Vietnam: Triple Protection + Online Monitoring, Zero-Arcing to Guard Precision Manufacturing Power Lines

Full-Lifecycle Lean Management for Vacuum load break switch: Achieving a 90% Drop in Failures and Significant O&M Cost Reductions

Arc-Extinguishing System Renewal for 24kV Industrial Park Vacuum LBS: 30 Units Remedied of Arcing Hazards, Annual Loss Avoidance Exceeding 1 Million RMB

Salt Spray Protection Upgrade for Coastal 15kV Distribution Vacuum LBS: 15 Units Operating with Zero Flashovers, Annual Loss Avoidance Exceeding 100,000 RMB

Three-Scenario Customization: Environmental Adaptability Upgrade for High-Altitude, Coastal, and Industrial Vacuum Load Break Switches

10kV Vacuum LBS Arc Upgrade: 30 Units Remedied, Zero-Arcing, and 1M+ RMB Annual Loss Avoidance.

Rockwill 69 kV Dead Tank Circuit Breakers have been integral to smart substation upgrades, achieving near-perfect power supply reliability.

Rockwill Dead Tank Circuit Breakers have been successfully put into operation under extreme cold and strong sandstorm conditions.

Rockwill Dead Tank Circuit Breakers Empower Intelligent Retrofit of 72.5kV Substations in Extremely Cold Regions

Rockwill Supplies Critical Substation Equipment to Support Zambia's Grid Modernization