Position: Advanced Energy Storage System Modeling Engineer

Overview of Position Description:

This full time position is for an engineer to perform modeling and simulation of energy storage power systems with an emphasis on the distribution grid. This position entails hands-on modeling and simulation of the impact of new, innovative, dynamic, distributed power electronics technologies on the electric grid using commercially available simulation tools.Modeling and simulation challenges when dealing with mid-to-large scale energy storage systems requires a knowledge of utility GTD (Generation. Transmission and Distribution) systems, interaction of large scale solar and wind on the utility system and, energy storage systems such as lithium-ion batteries and/or other advanced energy storage technologies.

This position entails planning, design, modeling, data collection and analysis of integrated power and energy storage systems and requires highly detailed and intensive system analysis

Responsibilities of this position include developing accurate models to assess, design and confirm the addition of energy storage for renewables integration in grid projects; analyzing hosting capacities in utility distribution grids and microgrids; evaluation of performance and interaction of energy storage in the form of batteries, supercapacitors and traditional thermal based generators in these circuits, and design and analyze power systems to incorporate and reasonably integrate advanced energy storage on existing and new grids and microgrids.

The primary duties will include sizing and simulation of various advanced battery chemistries, advanced energy storage technologies and supercapacitors and inverters in large systems in an environment of large solar and wind generation.

Direct Areas of expertise Required to Support Grid Projects:

Knowledge of different energy storage technologies used in the Grid i.e. batteries, supercapacitors
Perform modeling and simulation of complex distribution systems with different types of assets such as line voltage regulators, load-tap changers, capacitor banks, cables, etc.
Model dynamic sources of real and reactive power such as inverters, grid edge devices and integrated energy storage solutions. Provide support for the marketing and sales team (pre- and post-) to develop and simulate various use cases in response to customer site specific requirements
Integration and impact analysis of distributed generation on distribution systems, power system modelling, analysis and simulation of transmission and distribution systems
Renewable energy grid integration, to include: wind and solar plant studies
Distributed generation interconnection analysis
Assist in creating design solutions and preparing presentations for interfacing with customers
Renewable energy (specifically wind and solar projects from 1MW to over 200MW-ac) and distributed generation and integration. Impact analysis on distribution and transmission systems
Direct experience with enhanced voltage and frequency regulation, reactive power capability and control functions to utilize this capability
Perform analysis and modeling of distributed energy resource issues and remediation strategies as related to battery energy storage for reverse power and fault current flows; voltage fluctuation; distribution feeder section loading; power losses as related to PV loading; unintentional islanding; ground fault overvoltage; harmonics; effects of fast transients caused by cloud shading and dynamic wind conditions; unwanted control interaction between battery energy storage systems and large scale inverters already installed in the distribution circuits; feeder imbalance.
Experience with power system design, modeling and analysis (distribution system analysis)
Some communication and control knowledge of DNP-3 and IEC 61850 control and communication systems is a plus)
Strong fundamentals of electric power systems and electric circuit theory with ability to perform Power quality analysis, power system transient and harmonic analysis
Ability to structure and perform project level modeling, analysis and case studies. Modeling and model verification testing with appropriate modeling tools
Skills in steady state, quasi steady-state, dynamic and transient analysis in utility circuits

Candidate must be skilled in the use of state of the art simulation tools such as

PSCAD; MATLAB Simulink; RSCAD, Aspen; Design Base; Gridiant; PSLF, PSS/E; Open DSS; GridLAB-D; CymeDIST; DigSilent; PSS/Sincal; Nexant Grid360.

Professional Credentials and Experience

Required: MS or PhD in electrical engineering from an accredited university7+ years of commercial system modeling experience including grid integration of renewable energy storage projects in the 1MW to 100MW+ size
Advanced working knowledge of battery energy storage and storage technologies
Experienced distribution grid and microgrid design, modeling, analysis and report generation
Excellent communication and presentation skills with ability to present data analysis and simulation results internally and to customer
Ability to collaborate and interact with clients and other project team members

Maxwell Technologies Inc

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Advanced Energy Storage System Modeling Engineer