Engineering consultancy delivering global renewable energy design, optimization & advisory services.
Protection Systems: Design comprehensive protection schemes, including differential, distance, overcurrent, and earth fault protection, ensuring fast and reliable fault detection and isolation.
Redundancy & Reliability: Incorporate redundancy, protection, and fail-safe mechanisms in the design to enhance system reliability and minimize the risk of outages.
Interconnection Schemes: Develop interconnection schemes for integrating multiple substations or tie-lines into the existing power grid. Design interfaces with existing infrastructure while ensuring minimal disruption.
Design Validation: Perform detailed design validations, including reviewing engineering drawings, schematics, and technical data sheets. Ensure that the equipment is appropriately designed for the specific operating conditions and load requirements of the project.
Single Line Diagrams (SLDs): Develop comprehensive single line diagrams that clearly define the electrical connections and arrangements of all major equipment in the substation.
Equipment Specification: Define the specifications for all major electrical equipment, including transformers, switchgear, reactors, and capacitors, ensuring compliance with project requirements and standards.
Material and Component Verification: Verify the materials and components specified by the vendor, ensuring they meet the required durability, reliability, and performance standards. Assess the suitability of materials for the specific environmental and operational conditions of the project site.
System Studies: Conduct detailed system studies, including load flow, short circuit analysis, voltage drop calculations, reactive power compensation, and harmonic analysis to ensure the stability and reliability of the power system.
Specification Compliance: Review and validate equipment designs provided by vendors/OEMs to ensure they comply with the project’s technical specifications, industry standards, and regulatory requirements.
Configuration Layout: Design the overall configuration of the EHV substation, including the arrangement of transformers, busbars, circuit breakers, isolators, and other critical high-voltage components.
Metering & Instrumentation: Specify and design the metering and instrumentation systems required for accurate monitoring and billing. Include current and voltage transformers, energy meters, and transducers.
Inverter & Converter Coordination: Ensure proper coordination between EHV equipment and inverters or converters used in renewable energy systems. Address issues such as power factor correction, harmonics filtering, and synchronization.
Technical Evaluation: Conduct a thorough technical evaluation of vendor proposals, including equipment specifications, performance data, and compliance with project requirements. Ensure that the selected vendors have a proven track record of delivering high-quality EHV equipment.
Busbar Design: Design busbar systems with considerations for thermal performance, electrical stress, and mechanical stability. Ensure appropriate spacing, support, and insulation to prevent flashovers or mechanical failure.
High-Voltage Equipment Design: Design the layout and connections for high-voltage equipment such as power transformers, circuit breakers, disconnect switches, current and voltage transformers, and surge arresters.
Earthing & Bonding: Design an effective earthing and bonding system for the substation, ensuring personnel safety, equipment protection, and compliance with local regulations.
Cable Sizing & Routing: Calculate and select appropriate cable sizes based on current-carrying capacity, voltage drop, and thermal constraints. Design efficient cable routing plans that minimize interference and optimize installation.
Switchgear Sizing: Determine the correct ratings for circuit breakers, switchgear, and other protective devices, ensuring they can safely interrupt fault currents without compromising system integrity.
Transformer Sizing: Calculate and select appropriate transformer ratings, considering factors such as load growth, fault levels, efficiency, and cooling requirements.
Control Systems: Design control logic and schemes for automation, including the operation of circuit breakers, isolators, and other switchgear. Ensure seamless integration with remote operation systems and SCADA.
Design Validation: Review and approve design documents, drawings, and calculations provided by contractors or third-party consultants to ensure compliance with project specifications, industry standards, and best practices.
Capacitor Bank & Reactor Design: Design and size capacitor banks for reactive power compensation and reactors for controlling over-voltages or for current limiting in the substation.
Technical Advisor: Act as the technical advisor to the project owner, providing expert guidance on all aspects of EHV substation and transmission line design, construction, and commissioning.
Grid-Tie Design: Design interfaces for the connection of utility-scale renewable energy systems (e.g., solar, wind) to the transmission grid, considering voltage levels, harmonics, and stability.