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Saudi Arabia Distribution Network Automation Upgrade Project Solution: Recloser Application and Technical Synergy

Rockwill delivers automated recloser solutions for Saudi's 33,000 RMU distribution network, cutting O&M costs by 30% and aligning with Vision 2030 renewable targets.

Rockwill
Wenzhou Rockwill Electric Co., Ltd.
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1.Project Background and Demand Analysis

1.1 Saudi Distribution Network Upgrade Requirements

Saudi Arabia is advancing its "Vision 2030" energy transition plan, aiming to achieve 40% distribution network automation by 2025. Key initiatives include deploying 33,000 intelligent ring main units (RMUs) and reclosers in 11 cities like Riyadh and Dammam to enhance grid reliability and renewable energy integration. Current challenges include:

  • Aging Infrastructure: Existing RMUs and pole-mounted circuit breakers lack remote monitoring, leading to prolonged fault restoration.

  • High-Temperature Adaptation: Traditional equipment struggles in extreme temperatures exceeding 45°C.

  • Renewable Integration Pressure: Rapid deployment of solar and energy storage projects demands faster grid response.

1.2 Rockwill’s Technological Advantages

Rockwill specializes in medium-voltage switchgear, offering:

  • Intelligent Vacuum Switches: Enable rapid fault isolation and remote interaction.

  • Digital Substation Systems: Compatible with smart grid architectures.

  • High-Temperature Design: Weather-resistant epoxy resin enclosures and self-cooling mechanisms, validated via KEMA certification.

2.Technical Solution Design

2.1 Core Functions of Reclosers

  • High-Temperature Resilience: Self-cooling designs and heat-resistant materials ensure stable operation at 45°C.

  • Fast Fault Handling: DSP chips and permanent magnet actuators reduce response time to ≤20 ms, supporting directional overcurrent protection.

  • Digital Integration: GPRS communication links to SCADA systems for real-time fault location and predictive maintenance.

2.2 Integration with Distribution Automation Systems

  • Compatibility: Reclosers align with Saudi Electricity Company (SEC)’s IEC 101/DNP3.0 protocols.

  • Synergy with RMUs: Collaborate with 33,000 RMUs deployed by China Electric Equipment Group (CEEG) to build a self-healing network, reducing outage time to ≤3 minutes.

  • Renewable Adaptation: Synchronized switching technology minimizes overvoltage during solar integration, supporting projects like Red Sea Energy Storage.

2.3 Localized Service Support

  • Remote Diagnostics: Reduces manual inspections in extreme heat.

  • Training Programs: Partner with SEC to establish local maintenance teams.

3.Implementation and Collaboration

3.1 Pilot Phase (2025–2026)

  • Priority Deployment: Replace aging equipment in Riyadh and Dammam, targeting 5,000 reclosers alongside CEEG’s RMUs.

  • Performance Testing: Validate reliability during summer peaks.

3.2 Scale-Up Phase (2027–2028)

  • Local Manufacturing: Partner with ACWA Power or Chinese EPC firms (e.g., Tgood) to establish production in Jeddah Free Zone.

  • Regional Expansion: Export to GCC countries via Saudi’s logistics hubs.

3.3 Full Coverage (2029–2030)

  • Renewable Projects: Support NEOM City and Red Sea Storage (1,300 MWh) with recloser solutions.

  • Smart Grid Expansion: Align with Saudi’s 58.7 GW renewable target through digital substations.

4.Economic and Social Value

4.1 Cost and Efficiency Gains

  • 30% Lower O&M Costs: Remote monitoring and predictive maintenance reduce manual efforts.

  • 60% Fewer Outages: Enhanced reliability improves customer satisfaction.

4.2 Market and Brand Impact

  • Niche Market Leadership: Tap into Saudi’s $20 billion power equipment market (8% annual growth).

  • Strategic Benchmarking: Establish Rockwill as a “Smart China” brand via flagship projects.

Rockwill’s recloser-centric solution aligns with Saudi’s Vision 2030, combining localized collaboration and technical innovation to optimize costs and accelerate energy transition. Future opportunities include replicating this model across the Middle East and Africa, leveraging Saudi’s logistics and renewable leadership

Deployed Equipment

Case Studies

  • Rockwill Ukraine 186 Units 12kV Outdoor Vacuum Recloser Project Success Case
    In response to the operational characteristics of Ukraine’s local power grid and targeting harsh high-latitude outdoor working conditions, we rely on core technologies of intelligent reclosing and self-healing to precisely adapt to the complex grid environment with frequent thunderstorms and drastic diurnal temperature variations, steadily promoting the automatic and intelligent upgrade of regional rural power grids and suburban distribution networks.01 Project Overview1.1 Project BackgroundIn 2
  • Successful Case of 170 Sets of 11kV Automatic Recloser Project in Kenya
    Against the backdrop of quality upgrading for Kenya’s urban and rural power grids, 11kV auto-reclosers deliver reliable performance to suit local climates and grid conditions. It enables rapid fault isolation and efficient operation and maintenance, forming a core safeguard for the upgrading of Kenya’s urban and rural distribution networks.01 Project Overview1.1 Project BackgroundIn May 2023, 170 sets of 11kV Automatic Reclosers (Model: RCW12M) were officially supplied and applied to the medium-
  • DTEK Grid Upgrade: Operation of Rockwill 10kV Smart Recloser in -40°C Extreme Cold Environment Ukraine Case Study
    As a benchmark for Chinese‑manufactured medium‑voltage distribution equipment going global, Rockwill established in‑depth cooperation with DTEK Kyiv Power Grid, Ukraine. Tailored outdoor vacuum recloser solutions were mass‑deployed to address existing weaknesses in local 10 kV distribution networks, comprehensively improving regional power supply reliability and automation to build a flagship distribution grid modernization project in Kyiv.01 Project Background: Core Pain Points of DTEK Kyiv Dis
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