“Addressing Electrical Issues and Improving Reliability at Pertamina Hulu Rokan”

This seminar is designed to provide practical, field-oriented insights into improving system reliability, protection coordination, and operational stability.

The Challenge: Maintaining Reliability in a Complex Network

PHR’s electrical infrastructure integrates a wide range of S&C equipment across different voltage levels:

• 115 kV High Voltage System
  • Circuit Switcher Series 2000 and Mark V
• 13.8 kV Distribution Network
  • Alduti-Rupter® and Omni-Rupter® Load Break Switches
• Voltage Regulation System
  • Regulator Bypass Switches for maintenance without interruption
• Protection System
  • Power Fuses for fast and reliable fault isolation

While these components are designed for high performance, the real challenge lies in ensuring they operate in a coordinated and selective manner.

The Risk: Protection Mis-Coordination

Without proper coordination, even the best equipment can lead to:

• Non-selective tripping
• Widespread outages from localized faults
• Unnecessary shutdowns (nuisance outages)
• Reduced system stability and production reliability

Seminar Focus: TCC Coordination for Better System Performance

A key highlight of the seminar is the discussion on Time-Current Characteristic (TCC) Coordination, a fundamental approach to ensuring all protection devices operate in harmony.

Key Topics Include:

• Coordination between:
  • Power Fuses
  • Circuit Switchers
  • Alduti-Rupter® and Omni-Rupter® switches
• Understanding and interpreting TCC curves
• Identifying and eliminating coordination overlap or gaps
• Case studies based on actual PHR system conditions

Expected Outcomes:

• Faster and more selective fault isolation
• Reduced outage impact and improved uptime
• Enhanced system stability and operational efficiency

S&C Technology: Enabling a More Reliable Grid

S&C Electric offers advanced solutions that go beyond conventional protection methods:

Advanced Switching & Protection

• Circuit Switchers with proven high-voltage fault interruption capability
• Power Fuses engineered for precise and dependable protection
• Regulator Bypass Switches enabling safe and continuous maintenance

Intelligent Distribution Solutions

• IntelliRupter® with PulseClosing® Technology
  • Fault detection using significantly lower energy than conventional reclosing
  • Reduced stress on equipment and improved system lifespan
• Foundation for distribution automation and self-healing networks

Why You Should Attend

This seminar is tailored specifically for PHR engineers and decision-makers, offering:

• Practical insights aligned with real field challenges
• Proven solutions to improve protection coordination
• Direct engagement with S&C experts
• Strategies to enhance reliability without major system overhaul

Event Details

Date: Wednesday, 24 June 2026
Time: 08:30 – 16:00 WIB
Venue: Grand Zuri Duri

Driving Reliability Forward

At PT Jashen Mitra Sinergi, we believe that true reliability is achieved not only through advanced equipment, but through proper coordination and system understanding.

This seminar is part of our commitment to support Pertamina Hulu Rokan in:

• Improving electrical system reliability
• Ensuring stable and continuous operations
• Delivering long-term value through innovative solutions

Be Part of the Solution

Join us at S&C Seminar 2026 and take the next step toward a more reliable, stable, and efficient electrical system at Pertamina Hulu Rokan.

For registration and further information, please contact PT Jashen Mitra Sinergi.

The post S&C Seminar 2026-Strengthening Electrical Reliability at Pertamina Hulu Rokan first appeared on Jashen Mitra Sinergi.

Bukan karena operator lambat—tetapi karena arsitektur kontrol lama memang tidak dirancang untuk merespons secara instan.

Akibatnya, fault kecil bisa berkembang menjadi outage besar, memengaruhi operasional dan layanan pelanggan.

Solusinya? Distributed Intelligence dari Vista Switchgear.

Teknologi terdesentralisasi yang memungkinkan setiap modul melakukan deteksi, analisis, dan isolasi secara otomatis—dalam hitungan milidetik, bukan menit.

Keunggulan utamanya:

• Deteksi gangguan super cepat (millisecond response)

• Isolasi otomatis tanpa intervensi manual

• Operasi tetap berjalan tanpa downtime

• Perlindungan area bermasalah tanpa ganggu area lain

• Stabilitas layanan lebih terjaga

Benefitnya, gangguan langsung tertahan di sumbernya.

Operasi tetap jalan. Pelanggan tetap aman.

Jika switchgear kamu masih mengandalkan sistem yang bereaksi lambat, Sudah waktunya menggunakan switchgear yang lebih reliable di facility kamu.

PT Jashen Mitra Sinergi

The post Distributed Intelligence, Vista Switchgear. first appeared on Jashen Mitra Sinergi.

Solusinya? Vista Compact Welded-Steel Tank.

Sistem 100% tertutup yang memberikan perlindungan menyeluruh untuk personel dan aset kritikal.

Keunggulan utamanya:

• Hermetically sealed (zero exposure)

• Eliminasi risiko ledakan

• Aman bagi operator

• Melindungi aset bernilai miliaran

• Sertifikasi IAC-AFLR untuk perlindungan front, lateral, dan rear

Benefitnya, Zero explosion risk. Operasi aman. Operator terlindungi.

Jika switchgear kamu masih terbuka, mungkin kamu perlu mempertimbangkan solusi perlindungan ini.

PT Jashen Mitra Sinergi

The post Vista Compact Welded-Steel Tank: Standar Baru Keamanan Switchgear Modern first appeared on Jashen Mitra Sinergi.

Indonesia’s oil and gas industry remains one of the country’s most critical economic drivers, contributing significantly to national revenue and energy security. As demand for energy continues to rise, the sector is undergoing a complex transformation—facing both traditional challenges and emerging opportunities in a rapidly changing global environment.

Industry Overview

Indonesia is the second-largest oil producer in Southeast Asia and has one of the region’s most developed natural gas infrastructures. With over 100 oil and gas basins, the country’s upstream and downstream activities support not only domestic energy needs but also fuel regional exports.

However, recent years have brought a range of hurdles, including fluctuating global oil prices, aging infrastructure, and increasing environmental regulations. Many operators are under pressure to modernize equipment, digitize operations, and improve safety standards—particularly in offshore and high-risk environments.

The Push for Modernization

To maintain competitiveness, many energy companies are now focusing on digital integration and safety innovation. Smart technologies such as remote monitoring systems, predictive maintenance tools, and intelligent safety equipment are becoming standard in exploration and production operations.

This evolution creates substantial demand for reliable suppliers and technical partners. Companies like PT Jashen Mitra Sinergi are playing a key role in this transformation by providing advanced industrial equipment, safety solutions, and technical support tailored to the specific needs of Oil & Gas operations.

Local Support, Global Standards

As a local partner with global connections, PT Jashen works closely with clients to ensure the timely delivery of certified equipment that meets international standards. From valves, instrumentation, and protective gear to high-tech innovations like 4G-enabled smart helmets, the company supports both upstream and downstream sectors.

“We see ourselves as an enabler,” said a spokesperson for PT Jashen. “Our goal is to empower Indonesia’s energy companies with the tools and technologies they need to operate safely, efficiently, and sustainably.”

Future Outlook

With the government pushing for increased investment in exploration and infrastructure—alongside a national strategy to reduce carbon emissions—the industry is at a critical crossroads. Opportunities abound for companies that can combine energy production with innovation and sustainability.

Suppliers and service providers are essential to this effort, ensuring that operational efficiency and worker safety remain top priorities. As Indonesia moves forward, collaboration between energy operators and industrial partners like PT Jashen Mitra Sinergi will be key to unlocking the next phase of growth.

The post Indonesia’s Oil and Gas Sector: Challenges, Opportunities, and the Role of Industrial Suppliers first appeared on Jashen Mitra Sinergi.

With more emphasis being placed on worker safety, real-time monitoring, and data-driven operations, industrial clients are seeking trusted partners to provide high-quality components, protective equipment, and digital solutions that meet international standards.

“We are seeing a clear shift toward smarter, more integrated industrial solutions in Indonesia,” said a representative from PT Jashen Mitra Sinergi. “Our role is to ensure these industries have access to reliable technology and equipment that improve performance while maintaining safety and compliance.”

PT Jashen Mitra Sinergi has continued to grow its portfolio by sourcing industrial products from reputable international manufacturers and offering tailored support to clients throughout the country. The company has been actively exploring new technologies that can be adapted for the Indonesian market, especially in safety, automation, and industrial communications.

As infrastructure projects ramp up and regulatory standards tighten, suppliers like Jashen are expected to be key enablers in the push toward safer, more efficient industrial environments.

The post Indonesia’s Industrial Sector Faces Rising Demand for Advanced Safety and Supply Chain Solutions first appeared on Jashen Mitra Sinergi.

The move aligns with the country’s long-term goal of ensuring energy equity, reducing carbon emissions, and accommodating the rapid growth in electricity demand. In response, PLN (Perusahaan Listrik Negara), Indonesia’s state-owned electricity provider, is accelerating the rollout of smart meters, distribution automation, and fault detection systems—laying the groundwork for smarter, more resilient power distribution networks.

Growing Demand for Advanced Switchgear and Protection Devices

With increased complexity in the power grid—especially with the integration of renewable energy sources—reliable overcurrent protection and switching solutions have become critical. Industry experts point out a growing interest in:

• Fault interrupters
• Load break switches
• Smart reclosers
• Surge protection and arc flash mitigation

“As utilities modernize, they are looking for devices that are not only robust but also intelligent. Solutions that can communicate, isolate faults quickly, and reduce downtime will be in high demand,” said a senior engineer at PT. Jashen Mitra Sinergi, a trusted electrical equipment supplier.

PT. Jashen Mitra Sinergi: Ready to Support the Transition

PT. Jashen Mitra Sinergi has positioned itself as a strategic partner in this transformation, offering distribution automation solutions, advanced switchgear, and reliable electrical connectors and terminals from globally recognized brands such as S&C Electric.

“With over a decade of experience supporting Indonesia’s energy infrastructure, we are ready to help utilities and contractors meet the technical demands of the smart grid era,” said a company spokesperson. “Whether it’s through load break switchgear, high-performance fault interrupters, or consultation, we are committed to helping Indonesia build a reliable, future-ready grid.”

Industry Outlook

Experts suggest that smart grid development in Indonesia will continue to grow through 2030, with increasing budget allocations and regional pilot projects. For suppliers and manufacturers of medium-voltage switchgear and grid protection technologies, the next few years will be pivotal.

Electrical professionals, consultants, and contractors are advised to stay informed and collaborate with solution providers who understand local conditions and international best practices.

The post Indonesia’s Push for Smarter Grids: Opportunities for Electrical Equipment Suppliers first appeared on Jashen Mitra Sinergi.

What Is Arc Flash?

An arc flash is a sudden release of electrical energy through the air when a high-voltage gap exists and breakdown occurs between conductors. This can result in explosions, intense heat, light, sound pressure, and potentially fatal injuries.

Arc flash incidents are among the most dangerous electrical hazards, especially for workers operating or servicing electrical equipment in substations, switchgear, and industrial environments.

Why Is Arc Flash Analysis Important?

Arc flash analysis calculates:

• Incident energy levels
• Flash protection boundaries
• Required PPE (Personal Protective Equipment)

This data helps utilities make informed decisions on system design, equipment maintenance, and worker protection protocols.

A Shift Toward Proactive Safety

Several key factors are driving the industry-wide adoption of arc flash analysis:

Regulatory Compliance

Standards such as NFPA 70E, IEEE 1584, and OSHA requirements mandate risk assessments and proper labeling of electrical equipment. Utilities must comply or risk legal and financial consequences.

Worker Safety

Utilities have a responsibility to protect their workforce. Arc flash studies help identify high-risk areas, ensuring technicians use appropriate PPE and follow lockout-tagout (LOTO) procedures.

Preventive Maintenance

With accurate arc flash data, utilities can isolate hazards, improve coordination, and adjust settings to reduce incident energy levels.

Downtime and Liability Reduction

By proactively addressing arc flash risks, utilities reduce the likelihood of unplanned outages, equipment failure, lawsuits, and compensation claims.

Real-World Implementation

Utilities such as PG&E, Duke Energy, and Tenaga Nasional Berhad have implemented comprehensive arc flash studies across their networks. Some companies have even integrated arc flash simulation software into their asset management systems for continuous monitoring and risk assessment.Real-World Implementation

What’s Next?

The trend points toward real-time arc flash risk assessment, powered by AI and IoT. Smart sensors can collect system data, allowing live updates of arc flash labels and dynamic PPE guidance based on load conditions.

A New Industry Norm

Arc flash analysis is no longer optional—it’s the new benchmark for electrical safety in utility operations. As the grid becomes more complex and demands on reliability increase, conducting and updating arc flash studies will remain a core responsibility for responsible utilities.

The post Why Arc Flash Analysis Is Becoming a Utility Standard first appeared on Jashen Mitra Sinergi.

With AI-powered systems and smart sensors, utilities are gaining deeper insights into the grid, making real-time decisions, and responding more efficiently to power disruptions.

What Is a Smart Grid?

A smart grid integrates digital communication, sensors, automation, and advanced analytics into traditional electrical systems. Unlike older grids that operate on manual controls and limited data, smart grids are interactive, responsive, and self-healing.

This allows for real-time monitoring, predictive maintenance, and more reliable service delivery.

The Role of AI in Power Grids

AI acts as the brain of the smart grid. It processes large volumes of data from across the grid—everything from voltage levels and load conditions to weather data and usage trends.

Some key applications include:

• Predictive maintenance: AI analyzes patterns to forecast equipment failure before it happens.
• Load forecasting: Algorithms help predict power demand to balance generation and supply.
• Fault detection and isolation: AI can instantly locate and isolate faults, reducing outage time.
• Energy theft detection: AI systems can flag irregularities that indicate tampering or theft.
• Optimization of renewable sources: AI helps integrate solar and wind into the grid more efficiently by predicting output variability.

Real-World Examples

• National Grid UK is using AI to manage real-time data from substations and customer usage to better handle peak loads.
• Singapore Power uses AI-driven demand forecasting to plan energy distribution across its smart city grid.
• S&C Electric Company’s IntelliRupter® uses predictive algorithms for smarter fault testing without damaging underground cables.

Why It Matters

AI and smart grids are not just about convenience—they’re about resilience. With climate change bringing more severe weather, electrical infrastructure must be more adaptive and reliable. Smart grids can re-route power automatically, notify operators of emerging problems, and reduce recovery time after outages.

Moreover, as electric vehicles and renewable energy sources continue to rise, AI will play a vital role in balancing decentralized and fluctuating power sources with consumer demand.

Challenges Ahead

Despite the advantages, implementing AI and smart grid systems comes with challenges:

• High upfront costs for infrastructure upgrades
• Data privacy and cybersecurity concerns
• Need for skilled professionals in AI and power systems

However, most experts agree that the long-term benefits—efficiency, reliability, and sustainability—far outweigh the initial hurdles.

The Future of Power Distribution

In the next decade, expect AI to become a central force in grid management, with real-time energy trading, fully automated substations, and AI-assisted emergency response. The future of power isn’t just smart—it’s intelligent.

Utilities that embrace these innovations today are setting themselves up for a more flexible, efficient, and customer-focused energy landscape tomorrow.

The post How AI and Smart Grids Are Changing Power Distribution first appeared on Jashen Mitra Sinergi.

But is the shift below ground truly worth the investment?

Climate Change & Grid Vulnerability

Increasingly severe weather events—hurricanes, snowstorms, wildfires—have placed overhead power lines under scrutiny. In 2023 alone, outages caused by wind and falling trees affected millions of homes globally. Underground systems, shielded from environmental exposure, offer a more reliable alternative in such scenarios.

In the United States, states like California and Florida have already announced multi-billion-dollar plans to bury thousands of miles of overhead lines to reduce wildfire risk and storm-related outages.

Urban Planning and Aesthetics

Aside from climate concerns, urban development trends are pushing toward underground infrastructure. City planners cite reduced visual clutter, safer public spaces, and increased property values as strong reasons to shift underground—especially in business districts, tourist areas, and smart cities.

“The visual difference is dramatic,” says Emily Hart, a city infrastructure consultant in Toronto. “We’re future-proofing the city while preserving its beauty.”

The Cost Challenge

Despite the appeal, cost remains a major barrier. Underground distribution systems can be five to ten times more expensive to install than overhead lines. Trenching, conduit installation, insulation, and careful planning all contribute to higher up-front investments.

However, some argue that lifetime cost savings and reduced outage-related expenses balance the equation. A study by the European Network of Transmission System Operators found that while underground lines cost more initially, they last longer and require less maintenance, especially in urban zones.

Reliability vs. Repair Time

Underground systems are less likely to experience faults, but when they do, locating and repairing those faults can be slower and more complicated.

“An overhead line fault can often be repaired within hours,” notes utility manager James Lopez from San Diego. “With underground, it may take a day or more due to excavation and detection.”

Who’s Leading the Shift?

Several countries are at the forefront:

• Singapore: Nearly all power lines are underground.
• Germany: Integrating underground lines as part of its Energiewende (energy transition).
• Japan: Tokyo is undergoing a major undergrounding project for earthquake resilience.
• Indonesia: Jakarta’s government is gradually burying cables in the capital’s central districts.

While undergrounding power lines is no silver bullet, it is becoming a strategic component of grid modernization. The decision often comes down to risk tolerance, budget availability, and regional priorities.

For cities and nations willing to make the investment, underground systems may offer more than just protection—they represent a step toward a smarter, safer, and more resilient energy future.

The post Global Push for Underground Power Lines: Is It Worth It? first appeared on Jashen Mitra Sinergi.

But with that improvement comes a new challenge: how do you design an overcurrent protection scheme that works effectively for both overhead and underground segments of your grid?

The Traditional Trade-Off

Historically, utilities have faced two main options for fault protection:

1. Conventional Reclosing

Using automatic reclosing devices means testing the line by applying full fault current multiple times. While this might work for overhead lines, it places unnecessary stress on underground cables, increasing the risk of insulation breakdown and long-term cable damage.

2. One-Shot-to-Lockout

This conservative approach limits the fault testing to one attempt before locking out the line. While it protects underground assets, it can cause prolonged outages for faults that were only temporary—something commonly seen on overhead segments.

The Limitation of Limited Reclosing

To minimize stress on underground circuits, some utilities are reducing the number of reclosing attempts. This approach acknowledges the damage potential of traditional methods but doesn’t fully solve the problem—it’s a compromise that still puts both performance and assets at risk.

Even with undergrounding investments in place, one avoidable cable fault can lead to lengthy outages and harm your system’s reliability score.

A Better Alternative: Low-Stress Fault Testing

To truly safeguard your underground cables while maintaining effective fault detection, you need a low-stress solution—one that tests for faults without applying full fault current.

Enter PulseClosing® Technology by S&C.

This method uses a brief, low-energy electrical pulse to determine if a fault is present. Because it uses just a fraction of the energy compared to traditional reclosing, it reduces the stress on the entire system—especially important for underground segments.

How It Works

Rather than subjecting cables to high energy bursts, PulseClosing technology delivers a precise electrical pulse that identifies whether the line is clear or still faulted.

• No repeated surges
• No damage to underground insulation
• No unnecessary lockouts

This means you can identify and isolate faults without risking your infrastructure investment.

System Comparison

Why IntelliRupter® Is the Right Choice

The IntelliRupter® PulseCloser® Fault Interrupter by S&C is the only system that uses true PulseClosing technology. It delivers:

• Up to 95% less energy than standard reclosers
• Superior protection for hybrid systems
• Advanced FLISR capabilities (Fault Location, Isolation, and Service Restoration)
• Compatibility with both overhead and pad-mounted installations

With IntelliRupter, you can preserve underground cables, improve system uptime, and protect your grid-hardening investments.

Conclusion

For modern hybrid power systems, the risks of conventional reclosing are too high. A low-stress fault testing approach like PulseClosing offers the balance utilities need—effective fault detection without damaging critical assets.

If your utility is committed to building a more resilient and future-ready grid, it’s time to adopt smarter protection strategies.

The post A Smarter Way to Test Faults on Hybrid Overhead-Underground Systems first appeared on Jashen Mitra Sinergi.