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Sean BARKER

Information
Details
Email Address
Country
UK
Consultants Corner
Consultant type
Independent Consultant
Phone number
+4407742433111
Experience
Over 30 years in the Transformer Industry
Education
Newham college London - HNC Electrical Engineering 1988
Certifications
C.ENG Electrical Engineering / MIET / IEEE member
Segments of industry expertise
Transformer design, manufacture, test, installation, commissioning, maintenance & diagnostics
Description of skills and services
Core type transformer design, manufacture, test, installation & commissioning up to 800KV AC & DC
Technical Support:
- Specifications for equipment
- Third party design validation
- Design Review

Calculations for uprating of existing transformers:
- Cooling equipment performance
- Interchangeability of ancillary devices (Bushings, coolers, etc)

High Voltage test witness:
- Validation of measured results
- Verification of test report data
- Technical support in the event of a critical test incident
- Diagnostic testing support

Forensic analysis:
- Failure investigation for Dry Type & Fluid filled transformers
- Internal inspection
- Low Voltage tests
- Root Cause Analyses
- Solution proposals

Diagnostic support:
- Analysis of DGA, SFRA test data

Site installation supervision:
- Installation technical support
- Repair analysis and rectification procedures
- Recommendations for monitoring

Manufacturing facility GAP analyses
- Review of existing equipment capability
- Validation and potential improvement of procedures, processes and equipment
- Upgrades & new product introduction support
- Technical support with sub-supplier audits

Tailored technical training
- Transformer Engineers
- Operators
- Maintenance teams
References
1986-1992 Hawker Siddeley Power Transformers
High Voltage Test Engineer
- Power Transformers Factory Laboratory and site commissioning Test up to 400kV AC
- Design, Manufacture and test of control equipment

1992-2000 Hawker Siddeley Power Transformers
Electrical Design Engineer
- Power Transformers and reactors up to 1100MVA 400KVAC
- Commissioning Engineer - Global projects across the entire product range.

2000 - 2003 Alstom UK
Chief Design Engineer High Voltage Group
Responsible for tendering and contract design of HV Power Transformers up to 2750MVA 400kV Phase shifting Transformers, UHVAC & UHVDC Power transformers to 800kV system voltage class.

2003 -2005 Alstom UK
Electrical Development Manager
Responsible for a global team of R&D Engineers
- Creation of Electrical Design Rules and related software tools for global implementation.
- Lead Research & Development activities for Power Transformer division.

2005 - 2008
Technical Manager Engineering Alstom UK
Responsible for a large Engineering team (30+ Engineers) and the daily operational running of the UHV Electrical Test laboratory.
- Design bespoke solutions to customer specifications and international standards
- Interface with global R&D function
- Manage the UHV Test facility
- Analyse results / data and compile Technical reports for customers

Alstom / Areva UK
2008 - 2013
Technology Transfer Manager
Responsible for the development of UHV AC & DC Transformer technology.
- Creation of design rules for UHV Transformers
- Standardization of Industrial procedures
- Finite Element Analysis support
- Training and certification of Engineers & manufacturing operators
- Failure Investigation & Root Cause Analysis
- Six Sigma Green Belt trained
- Factory GAP analysis for numerous global facilities
- Internal Technical audit & design review
- Concept design & delivery of prototypes for 600 & 800KVDC converter Transformers

Alstom UK
2013 - 2016
Head of Engineering Power Transformers
Responsible for all Engineering activities.
- Electrical & Mechanical design solutions for large power, High Voltage Transformer products.
- Tendering and contract design.
- Design Review.

General Electric Company
2016 - 2019
Technical Director Power Transformers
UK based Centre of Competence leader responsible for the Engineering resources associated with specific HV Transformer products in numerous global factory units.
- Technical leader for HVDC Power Transformer global activities.
- Research & Development of Converter Transformer Technology.
- Technology Transfer to Brazil, Canada, China, India, South Korea
- Senior Technical Expert Engineer responsible for common design concept and technical rules.

Transformer Technical committee activity:
- PEL 14 Power Transformers
- T&D Europe WG3b Transformers & Large Power Transformer Task Force
- CIGRE A2 Power Transformers
- Joint IEC / CIGRE Global Task Force
- SG2 Standardization of global UHV Technologies
- IEC Maintenance Teams for dielectric and Short Circuit testing

Transformer Technology
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