DISTRIBUTECH International 2020

UU 204: Lessons Learned from Design, Construction, Commissioning and Operation of Electric Utility Microgrid (Room 217C)

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The main purpose of this course is to gain better understanding and share field experiences associated with different challenges that pertain to the design, commissioning, implementation, operation and maintenance of electric utility microgrid.

Attendees will learn:

  • Five different DERs (AC-coupled BESS, PV, DC-coupled BESS, generator and microturbine) that are used as the main generation sources within the microgrid
  • Operating modes of each DER and how each of these modes is implemented within the microgrid – CSI-PQ, VSI-PQ, VSI-V/f and VSI-ISO
  • DER transformer configuration effect on distribution system faults
  • Microgrid grounding – design and implementation of grounding transformer based on the existing standards
  • Microgrid islanding detection techniques – local measurements based vs. synchrophasor based
  • Microgrid seamless islanding procedure
  • Grounding transformer energization challenges with inverter-based DERs
  • Microgrid operating modes
  • Microgrid seamless grid synchronization procedure
  • Seamless islanding vs. black start operation
  • Microgrid protection and control

Knowledge, skills and/or capabilities that attendees should acquire through this course. 

Throughout this course, attendees will learn how to address some of the challenges associated with microgrid protection and control, seamless islanding and grid resynchronization algorithms, islanding detection techniques, how to design the grounding transformer parameters for microgrid with inverter-based DERs, operating modes of each of the DERs and understand the integration of DERs as a function of these different operating modes.  

Who should attend this course?
 

This course should be attended by utility personnel, consultants, vendors, and system integrators. Topics covered within the course will benefit mostly d
istribution planning engineers, distribution design and standards personnel, distribution operations and support engineers, system protection and control engineers and it will also provide enough overview of all microgrid design, commissioning, implementation, operation and maintenance challenges in real life for managers, directors and VPs.

 

Prerequisite skills, knowledge, certifications:

Attendees should have basic knowledge of distribution power system, medium voltage devices that are typically installed on the distribution feeders and willingness to learn the new material.