Senior Electrical Design Expert - EHV Power Transformers

Virginia Transformer; United States; On-site; USD 42,000 - 74,000; Full time

Job summary

Virginia Transformer India Private Limited is seeking a Senior Electrical Design Expert for EHV power transformers. The role focuses on core sizing, winding configurations, impedance, and loss optimization for large oil-immersed transformers up to 250 MVA and 230 kV.

You will review calculations, develop designs, and support North American projects with advanced FEA tools. The candidate should have 15+ years of transformer design experience, familiarity with IEEE/ANSI standards, and ability to

Qualifications

• BE/B.Tech in Electrical Engineering; ME/M.Tech in Power Engineering preferred.
• 15+ years hands-on electrical/electromagnetic power transformer design experience.
• Direct design or approval experience on transformers rated 100 MVA+; 115/138/230 kV classes advantageous.
• Strong independent skills in core sizing, windings, impedance, losses, stray losses and short-circuit force calculations.
• Good working knowledge of IEEE/ANSI transformer design standards and North American utility requirements.

Responsibilities

• Calculate and optimize core cross-section, flux density, magnetic circuit parameters and no-load losses.
• Develop HV, LV, tertiary and regulating winding configurations and clearances.
• Evaluate winding current density, eddy losses and manufacturing feasibility.
• Calculate leakage impedance, resistance/reactance and tolerance sensitivity; optimize winding geometry.
• Calculate load, no-load, stray and total losses; optimize material cost and efficiency.
• Analyze leakage flux and stray heating in tanks and components.
• Calculate short-circuit forces and thermal withstand; support mechanical designs.
• Use transformer design software and electromagnetic FEA to verify critical results.
• Review customer requirements, quotations, calculations, specs and BOMs for compliance.
• Support US testing teams on impedance, losses, temperature-rise and short-circuit issues; propose improvements.
• Develop standards, automation and reusable design practices while mentoring engineers.

Skills

Core sizing

Winding design

Impedance

Loss optimization

Short-circuit analysis

Education

BE/B.Tech Electrical

ME/M.Tech Power Engineering

Tools

ANSYS Maxwell

COMSOL

Job description

VIRGINIA TRANSFORMER INDIA PRIVATE LIMITED The Commitment Company JOB DESCRIPTION

Senior Electrical Design Expert EHV Power Transformers Core sizing, winding design, impedance, losses and short-circuit forces

Department Engineering Location Hyderabad / Delhi / Vadodara Working Hours 11:00 AM 8:30 PM Function Electrical / Electromagnetic Design

ABOUT VIRGINIA TRANSFORM

Virginia Transformer Corp. is a leading U.S.-owned power transformer manufacturer, serving Data Center, Utility, Industrial and Renewable markets across North America. Virginia Transformer India Private Limited supports global engineering activities for engineered-to-order transformer solutions.

Following a period of strong growth, our India engineering organization is expanding to support the next phase of business development, technical excellence, and reliable project delivery.

ROLE OVERVIEW

Serve as an independent senior technical specialist in the electromagnetic design of large oil-immersed power transformers, with deep expertise in core sizing, winding arrangements, impedance, load/no-load and stray losses, leakage flux and short-circuit forces. Provide design review and optimization support for North American transformer projects up to 250 MVA and 230 kV class.

KEY RESPONSIBILITIES

• Calculate and optimize core cross-section, flux density, magnetic circuit parameters, excitation current and no-load losses.
• Develop HV, LV, tertiary and regulating winding configurations, conductor selection, turns distribution and electrical clearances.
• Evaluate winding current density, eddy/circulating-current losses, conductor transposition and manufacturing feasibility.
• Calculate leakage impedance, resistance/reactance and tolerance sensitivity; optimize winding geometry to meet guaranteed values.
• Calculate load, no-load, stray and total losses; optimize material cost, electrical efficiency and loss guarantees.
• Analyze leakage flux and stray heating in tanks, clamps, structural members, leads and other metallic components.
• Calculate axial/radial electromagnetic short-circuit forces and thermal withstand; collaborate on mechanical support designs.
• Use transformer design software and electromagnetic FEA (ANSYS Maxwell/COMSOL or equivalent) to verify critical results where required.
• Review customer requirements, quotations, detailed calculations, specifications, drawings and BOMs for technical compliance.
• Support US testing teams on impedance, losses, temperature-rise and short-circuit issues; investigate deviations and recommend improvements.
• Develop calculation standards, automation and reusable design practices while mentoring electrical design engineers.

QUALIFICATION & EXPERIENCE

• B.E./B.Tech in Electrical Engineering; M.E./M.Tech in Power Engineering or similar specialization preferred.
• Extensive hands-on electrical/electromagnetic power transformer design experience; 15+ years preferred.
• Direct design or approval experience on transformers rated 100 MVA or above; 115/138/230 kV classes advantageous.
• Strong independent skills in core sizing, windings, impedance, losses, stray losses and short-circuit force calculations.
• Good working knowledge of IEEE/ANSI transformer design standards and North American utility requirements.
• Strong engineering judgment, analytical skills, design optimization and cross-functional problem-solving capability.

KEY COMPETENCIES

Core SizingWinding DesignImpedanceLoss OptimizationStray FluxShort-Circuit ForcesDesign VerificationIEEE / ANSI

WHY JOIN VIRGINIA TRANSFORMER?

• Contribute to engineered-to-order transformer solutions for North American markets.
• Work with cross-functional engineering, manufacturing, quality and testing teams in the USA.
• Solve challenging engineering problems through design ownership and technical collaboration.
• Grow in a culture focused on quality, innovation, accountability and continuous improvement.

OUR GROWTH MINDSET

We are building a high-performing engineering team and value professionals who combine technical depth, ownership, integrity and a continuous-improvement mindset. Virginia Transformer India offers opportunities to grow with the organization.

Website: www.vatransformer.com

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