Expertise where you need it
When you need it
D4Energy Solutions is a company dedicated to the power industry
D4 offers a wide range of Quality Assurance consulting services
For more Detailed information - click area of interest below
Focused Areas
Transformers
Power Transformers
- Core & Shell
Distribution Transformers
Quality Assurance
Design Review
Pre-Tanking Inspections
Factory FAT Witness
Specification Review
Factory Audits
Failure Analysis
Field Testing Review
Oil Sample Analysis
Condition Assessments
Training
Power System Consulting
Power System Analysis
Electrical System Optimization
Performance Utility & Commercial Distribution Systems
Power Systems Training for Non-Electrical Engineers
Training Programs
Transformers
- Factory Testing
- Field Testing
- Operation & Maintenance
- Specifications
Substation Equipment
About D4EnergySolutions
D4EnergySolutions was created to provide a platform for experts to provide their services to our customers on an as needed basis. This gives our customers the flexibility to manage their budget while still having access to some of the most knowledgeable and experienced experts in our industry.
D4 provides a variety of quality assurance services to help ensure that your project is a success. Whether you are an electrical utility, an industrial company, a power project developer, an EPC firm, or an owner’s engineer — we have you covered. Our people have decades of experience working with companies in your market sector.
At D4, we understand that each client has its own specific needs. Therefore, we are able and willing to adjust the depth and scope of our services to fit your needs and budget.
Our Team
Eric Doak, PE
Eric is the managing partner of D4EnergySolutions. He has been in the electrical power industry for over 25 years starting his career as a utility substation engineer. Over the years, Eric has worked with several global manufacturers of electrical equipment including ABB, Efacec, CG and WEG mainly focused on transformers and electrical systems.
Polo Rodriguez Berlanga
Transformer Engineer with testing experience on a variety of Power Transformers, both Core and Shell type as well as Distribution Transformers. Polo has managed Test Laboratories for various Manufacturers in US and Mexico during his 25 years of experience. As independent inspector/consultant, he has been witnessing Factory Acceptance Tests (FAT’s) and performing pre-tanking inspections for US clients in multiple factories in the US, Mexico, South America, Europe, and Asia. He has participated in FAT failures and the after-failure-analysis, is familiar with transformers construction, its various components, and the manufacturing process. Polo also worked in several Test Lab Expansion and upgrading projects.
Ray Catlett, PE
(PE Inactive)
Forty+ years in electrical power design (69kV-480V), maintenance technical support and system analysis for petrochemical plants, offshore platforms, power plants, data centers, power utilities, and pulp & paper mills. Prepared power system analyses, equipment specifications, standards development, medium voltage motor applications and technical support to operations and maintenance in utility powerplants, refineries and industrial facilities. Performed in the roles of design engineer, project manager, corporate technical consultant and maintenance supervisor.
Mark Perkins
Mark graduated from Brigham Young University in 1975 with a master’s degree in electrical engineering.
He holds of several patents and authored many technical papers on transformer testing.
He has over 30 years of membership and leadership in the IEEE Transformers Committee. This includes chair of working group on low frequency high-voltage testing and chair of working group on PCS revisions of the test code, C57.12.90. Accomplishments included the introduction of partial discharge testing in C57.12.90, and also revision and modernization of the test code in many areas.
Recognized as one of the leading experts in transformer factory (FAT) and field testing and awarded Outstanding Contributor Certificate by the IEEE Transformers Committee in 2015.
David Cain
40+ years of continuous career progression within the power transformer industry. Including all facets of Core Form design in new and repair manufacturing, inspection, field service, failure analysis and the development of employees. Worked as a transformer specialist in all aspects of transformer assembly. Served in management for over 30 years including from factory Floor Supervision to Operations and Quality Manager.
Juan Villa
Power Transformer Consultant with broad experience on IEEE standards tests at factory, as well as Power Transformers on site.
Quality Assurance Manager with broad experience in coordinating, developing and implementing ISO 9001 QS, as well as QS Auditor focused on evaluating the effectiveness of the QS Management Systems.
- Power Transformer Testing and Manufacturing
- Delivery, Installation, and Energization of Power Transformers
- ISO 9001 QS, Auditing, Evaluation and Surveillance.
- Corrective action procedure for Failure Analytical Detection.
Pravin Khanna
Pravin has 25+ years of experience in power, distribution, and specialty transformer industry. This includes all facets of Core Form design, shell and shunt reactors in new and repair manufacturing, inspection, field service, failure analysis, core and winding expertise in core and shell type transformers.
Joshua Garner
Experienced engineer, manager, and tester with a 10+ year proven track record in the transformer industry, including manufacturing, quality systems, testing, and service bringing technical knowledge, strong business sense, and collaborative leadership to drive excellence in large-scale industry applications.
Specialized in dissolved gas analysis (DGA) and fluid quality test results review and interpretation
Roger Fenton
Provide innovative technologies to implement state-of-the-art online monitoring of UG cables, pole top transformers, padmount transformers, substation transformers, and overhead distribution lines; mitigate equipment failure
Leverage patented MetaPipe® “transformer radiator docking system” with MoistureCloud™ technology and innovative suite of sensors to provide extended life for power transformers
Contact Us
(636) 279-4944
400 Chesterfield Center, Suite 400 Chesterfield, MO 63017
ericdoak@d4energysolutions.com
Transformers — HV & MV Switchgear — Substations — Bio-Degradable Fluids — Services — Other Technical Specialties