Integrated MEMS and Advanced Technologies for the Next Generation Power Distribution System Arizona State University Tempe, AZ Research Team Esma Gel, IE Gerald T. Heydt*, EE - Power Norma Hubele, IE George G. Karady, EE- Power Bruce Kim, EE - MEMS *PI PSERC Research Assistants Daniel James, EE- Power Neil Shah, EE- Power Two yet unrecruited RAs
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Integrated MEMS and Advanced Technologies for the Next Generation Power Distribution System Arizona State University Tempe, AZ Research Team Esma Gel,
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Integrated MEMS and Advanced Technologies for the Next Generation
Power Distribution SystemArizona State University
Tempe, AZ
Research Team
Esma Gel, IE
Gerald T. Heydt*, EE - Power
Norma Hubele, IE
George G. Karady, EE- Power
Bruce Kim, EE - MEMS
*PI
PSERC
Research Assistants
Daniel James, EE- Power
Neil Shah, EE- Power
Two yet unrecruited RAs
Project Objectives
PSERC
To investigate innovative power distribution switching components based on microelectro-mechanical systems technologies integrated with advanced optimization methods to improve the performance of power distribution systems
Optimization of the ratio of true cost (operation cost plus investment cost plus cost of service degradation to consumers) to benefit of distribution systems
Project Objectives
PSERC
Multi-objective optimization, accurate charact-erization of distribution system power quality and innovative concepts of applications of microelectromechanical devices for control and sensing in power distribution engineering
To use the size advantage and manufacturing advantage of MEMS
Cross-fertilization of industrial and electrical engineering, undergraduates and graduates, and practicing engineers and researchers as an environment for learning
Project Scope
The project scope relates to power distribution systems performance. The distribution systems considered include 1 to 15 kV class systems, 60 Hz AC and DC. The study of innovative distribution system sensors and controls (e.g., switches, relays) shall focus on microelectromechanical devices. The project has hardware and analysis components, and these shall be integrated.
Project ScopeThe project scope includes an educational component both in the undergraduate and graduate programs of EE and IE. Graduate researchers shall be involved in all phases of the project. Undergraduates shall be involved in a planned REU. Also, undergraduate course module development is included.
Engineering economics of distribution
investment
Undergraduate electrical engineering program
and in continuing education
Power infrastructure investment
Undergraduate industrial engineering program and in continuing education
Motivation for a MEMS Circuit Breaker
Reduced size - especially for indoor (or shipboard) applications
Reduced manufacturing cost in large numbers
Sensitive and rapid detection of anomalous operation
High speed switching at higher voltage and current
Application of zero current switching
PSERC
Motivation for a MEMS Circuit Breaker
Improved performance over conventional switches and circuit breakers
Low control power requirements
Possibility of distributed controls
Potential applications in DC distribution systems
Advanced switching capabilities
PSERC
MEMS Circuit Breaker Configuration
GRADING CAPACITORS
MEMSSWITCHES
GRADINGRESISTORS
GR
AD
ING
RE
SIS
TO
RS
System Considerations
• Zero current switching (ZCS)
• Parallel shunt paths switched with semiconductor switches
• Voltage grading
• Current grading
• Voltage switching transients are reduced
PSERC
(1) refers to MEMS switch A in an open position and (2) refers to switch B in a closed position
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PSERC
Costs of the Projected MEMS Circuit Breaker
Developmental Costs
Development of the MEMS circuit breaker
Initial testing the MEMS circuit breaker
Installation costs as a field test
Marketing costs
Operating and Recurring
• Maintenance
• Field testing
PSERC
Deployment of distribution components,multiple feeds, and over-capacity
Cos
t
INVESTMENT COST
COST OF SERVICEINTERRUPTIONS ANDLOSS OF PRODUCTIVITY
TOTAL COST
Project TasksLiterature searchMEMS switch configurationDistribution system conceptualizationIdentification of objective functions