Regular Services

High Voltage Substation Design (HV/MV and EHV/HV)

Our expert team specializes in designing high voltage (HV) and medium voltage (MV) substations to meet the specific needs of our clients. We offer comprehensive design services for HV/MV substations operating at 132/20 kV, ensuring efficient and reliable power transmission and distribution. Our designs take into consideration the latest industry standards and regulations, incorporating state-of-the-art equipment and technologies to optimize performance and minimize energy losses.

In addition, we have extensive experience in designing extra high voltage (EHV) and HV substations operating at 230/132/20 kV. These substations are critical components of power transmission networks and require careful planning and engineering. Our team leverages its technical expertise and in-depth knowledge of EHV/HV systems to deliver customized designs that ensure stable power supply, fault protection, and efficient operation.

Whether it’s a HV/MV substation or an EHV/HV substation, our design approach focuses on achieving optimal functionality, safety, and reliability. We employ advanced software tools and modeling techniques to perform load flow analysis, fault studies, and equipment sizing. Our designs incorporate appropriate protection systems, switchgear configurations, transformers, and control equipment to ensure seamless integration and operation within the existing power infrastructure.

With a commitment to quality and client satisfaction, our high voltage substation design services provide innovative solutions tailored to meet the unique requirements of each project. We collaborate closely with our clients, understanding their specific objectives and constraints to deliver designs that optimize performance, minimize costs, and adhere to industry standards and best practices.

Transmission line design

At ARIXET, we are committed to empowering the future by supplying essential electrical infrastructure solutions. As part of our comprehensive range of services, we specialize in transmission line design, providing reliable and efficient solutions for both high voltage (HV) and extra high voltage (EHV) transmission lines.

Our experienced team of engineers utilizes state-of-the-art software, such as PLS-CADD, to perform electrical and mechanical calculations and conduct precise spotting for transmission overhead line designs. We understand the critical role that transmission lines play in ensuring a robust and resilient power grid, and we work diligently to deliver designs that meet the highest industry standards.

Our expertise extends to HV and EHV transmission lines, both within Iran and across Africa. Whether it’s a new installation, an upgrade, or an expansion of an existing transmission network, we have the knowledge and experience to tackle complex projects of varying scales. Our designs are carefully tailored to the specific requirements of each project, considering factors such as terrain, environmental conditions, load demand, and regulatory compliance.

By incorporating advanced engineering principles, we optimize the performance and reliability of transmission lines, ensuring efficient power transfer over long distances. Our designs take into account factors such as conductor selection, tower configurations, sag and tension calculations, and line clearances. We also pay special attention to mitigating environmental impacts and enhancing the structural integrity of the transmission infrastructure.

At ARIXET, we prioritize safety, efficiency, and sustainability in our transmission line designs. Our dedicated team collaborates closely with clients to understand their unique needs and project objectives, delivering innovative and cost-effective solutions. With our commitment to empowering the future, we provide essential electrical infrastructure solutions that enable reliable and uninterrupted power transmission, contributing to the growth and development of communities and industries.

Distribution system

At ARIXET, we are dedicated to providing comprehensive planning and solutions for distribution systems. With our expertise and commitment to empowering the future, we collaborate with distribution system companies in Iran to ensure efficient and reliable power distribution. Our services encompass both short-term and long-term studies, enabling effective planning and optimization of distribution networks.

a- Comprehensive Planning of Distribution Systems

Our team conducts detailed studies for eight distribution system companies in Iran, contributing to the overall improvement of the power distribution infrastructure. Through our comprehensive planning approach, we address various aspects of distribution system design and optimization. Some of the key items we focus on include:

Load Peak Prediction

By utilizing advanced forecasting techniques, we accurately predict load peaks to optimize distribution system capacity and enhance grid stability. This enables our clients to effectively manage their resources, avoid overloads, and ensure uninterrupted power supply during peak demand periods.

Distribution Substation Placement and Transformer Sizing

We strategically determine the optimal locations for distribution substations and appropriately size transformers to meet the load demand and ensure efficient power distribution. Our experts consider factors such as load growth projections, voltage regulation, and system reliability to design distribution substations that support the changing needs of the network.

HV/MV Substation Placement

Our experts carefully analyze the distribution system requirements and determine the placement of high voltage (HV) and medium voltage (MV) substations, ensuring reliable power supply to the connected feeders. We consider factors such as load density, proximity to load centers, and future expansion plans to optimize substation placement and minimize power losses.

Medium Voltage Feeder Routing and Sizing

We design the routing and sizing of medium voltage feeders to ensure uniform distribution of power, considering factors such as load demand, voltage drop, and system reliability. Our team employs advanced algorithms and simulation tools to determine the most efficient feeder routing, minimizing power losses and optimizing voltage profiles.

Shunt Capacitor Placement and Sizing

Our team evaluates the need for shunt capacitors in the distribution system and determines their optimal placement and sizing. This helps improve power factor correction, voltage regulation, and overall system efficiency. We consider factors such as reactive power demand, load characteristics, and voltage stability to enhance the power quality and reduce energy losses.

Protection System and Settings

We develop robust protection systems and define appropriate settings to safeguard the distribution network from faults, ensuring the safety and reliability of the system. Our experts analyze fault scenarios, coordinate protective devices, and implement advanced protection schemes to minimize downtime, protect equipment, and improve system reliability.

Load Flow Calculation

Through advanced load flow analysis, we assess the power flow and voltage profiles within the distribution system, identifying potential bottlenecks and areas for optimization. Our team analyzes various operating conditions, contingency scenarios, and system configurations to optimize load distribution, mitigate voltage deviations, and ensure efficient power transfer.

Technical Loss Reduction

We focus on reducing technical losses within the distribution system by implementing measures such as network reconfiguration, load balancing, and voltage control. Our experts identify areas of high losses, analyze the underlying causes, and propose solutions such as equipment upgrades, system optimization, and loss reduction strategies. By minimizing technical losses, we help our clients enhance the efficiency and cost-effectiveness of their distribution networks.

Our comprehensive planning approach, coupled with our expertise in distribution system design, allows us to optimize the performance, efficiency, and reliability of distribution networks. By leveraging advanced tools and techniques, we empower distribution system companies to meet the increasing demands of power consumers and contribute to the development of sustainable electrical infrastructure.

ARIXET is committed to empowering the future by supplying essential electrical infrastructure solutions. Through our comprehensive planning services

 For distribution systems, we help ensure a reliable and efficient power supply, promoting economic growth and improving the quality of life for communities.

At ARIXET, we understand the importance of harnessing cutting-edge technologies to improve the operation and efficiency of distribution systems. By employing Geographic Information System (GIS)-based software, we provide comprehensive solutions to 15 distribution system companies in Iran, helping them optimize their system operation and deliver reliable power to consumers. Our expertise in GIS and its applications enables us to offer valuable consulting services and implement advanced software solutions tailored to meet the specific needs of distribution systems.

b- Employing GIS-Based Software to Improve System Operation

We leverage the power of GIS technology to enhance the operational performance of distribution system companies in Iran. Our services encompass various aspects of GIS implementation, software integration, and data management. Some of the key areas we focus on include:

1. Consulting about Implementing GIS in Distribution System

  • Data Gathering: We assist distribution system companies in collecting, organizing, and digitizing crucial data related to their distribution networks. By utilizing GIS data collection techniques, we ensure accurate and up-to-date information, which forms the foundation for effective system operation and planning.
  • Upgrading: Our team provides guidance and support in upgrading existing GIS systems, enabling distribution system companies to leverage the latest features and functionalities. We assess the current system’s capabilities, identify areas for improvement, and implement necessary upgrades to enhance performance and data management.

Communicating with Other Software Applications and Data Banks: We ensure seamless integration of GIS-based software with other applications and data banks used in distribution system operations. This facilitates efficient data exchange, information sharing, and collaboration among different departments, enabling comprehensive system management and decision-making.

2. Applications of GIS-Based Software in Distribution System

  • Daily Load Profile Prediction: Using historical data and advanced algorithms, our GIS-based software predicts daily load profiles, enabling distribution system companies to anticipate demand patterns accurately. This information is vital for load forecasting, capacity planning, and optimizing resource allocation, ultimately leading to improved system efficiency and reduced operational costs.
  • Technical and Non-Technical Loss Estimation: Our software solutions incorporate tools for estimating technical and non-technical losses within the distribution system. By analyzing consumption patterns, fault data, and system characteristics, we identify areas of high losses, enabling distribution system companies to implement targeted measures for loss reduction and revenue protection.
  • Optimum Loss Reduction: Through advanced optimization algorithms, we determine the most effective strategies for reducing distribution losses. Our software considers factors such as feeder configuration, load balancing, and voltage regulation to develop optimal loss reduction plans. By implementing these strategies, distribution system companies can enhance energy efficiency, improve revenue collection, and promote sustainable operation.
  • Enhancement of Voltage Profile along Medium Voltage Feeders: Our GIS-based software facilitates voltage profile analysis and optimization along medium voltage feeders. By considering factors such as load distribution, voltage drop, and reactive power management, we help distribution system companies maintain voltage stability and improve power quality for consumers.
  • Proper Selection of Protection Devices: We utilize GIS technology to assist in the proper selection of protection devices for the distribution system. By analyzing fault characteristics, coordination requirements, and system configuration, we ensure that the selected protection devices offer optimal performance and reliability, contributing to improved system protection and minimized downtime.
  • Protection Coordination and Relay Setting: Our software solutions enable precise coordination of protection devices and relay settings within the distribution system. Through comprehensive analysis of fault scenarios, load characteristics, and system components, we develop coordinated protection schemes that enhance system reliability, minimize equipment damage, and facilitate faster fault clearance.

By employing GIS-based software solutions, we empower distribution system companies in Iran to enhance their operational efficiency, improve system reliability, and deliver a more sustainable power supply to consumers. At ARIXET, we are committed to leveraging technology and expertise to drive the transformation of distribution systems, ultimately empowering the future of electrical infrastructure.

Empowering the Future
Supplying Essential Electrical Infrastructure Solutions

Empowering the Future
Supplying Essential Electrical Infrastructure Solutions