Analysis and Practice of Renewable Micro Grid with HOMER

Analysis and Practice for Renewable Energy Micro Grid Configuration

December 23 - 27, 2013

@ Korea Tech

Charles Kim, Ph.D.

Lecture Notes

1. Smart Grid Overview: Overview of SG and SG Technologies; Promises, Expectations, and Hypes; Smart Meter, Lawsuits, and Bubbles(?)

2. Renewable Energy Sources: Renewable Energy Sources in US and the World; Technology Barriers and Success Factors; Renewable Energy Development in Korea; Threat to Existing Systems; Higher Electricity Cost.

3. Wind Energy: Wind Speed and Scale; Wind Turbine and Capacity Factor; Impact of Height and Friction Coefficient; Betz's Law; Problem SOvling by MathCad; Capital Cost Analysis; Intermittency of Wind Power; Environmental Impact of Wind Turbines; Wind Turbine Noise Level.

4. Solar Energy; Solar Specturm; Solar Declination; Solar Radiation; Radiation of Collector; Daily Total Insolation; Peak Sun Hours; PV; PV Module Performance; Shading Effect and Bypass Diode; PV System Configuration; Battery I-V Curve; SWERA; Capacity Factor; NEC Article 690; Grid-Connected PV System Economics.

5. Solar Electricity: Design for a Stand-Alone PV System; Load Study and Electricty Demand; Batteries; Battery Storage Capacity; Battery Discharge Curves; Battery Sizing; Hybrid PV System; Solar Pump; Hydraulic System; Pumping Head Calculation; PV Pump System Design.

6. Micro Grid Overview: DOE Microgrid Perspective; Microgrid types, control, and optimization; Basic Microgrid Architecture; Island Microgrid; Micropower systems;

7. Simulation with HOMER - 1: HOMER capabilities and features; Net Present Value and Cost; Optimization and Sensitivity Analysis; Physical Modeling - Resources and Components; Emission Trading (Cap and Trade); Carbon Tax; System Dispatch; Emission Calculation in HOMER; Input report; System Report.

8. Simulation with HOMER - 2: Grid-Connected Micropower System Design; Battery Sizing; Co2 Emission Limit.

9. Team Projects and Summary

Projects (Project Description)

1. Zero-Energy System for Ieodo Science Center -- Hyung Sik Kang + Jong Sun Park (HOMER file) (HOMER Input data)

2. 20% Renewable Fraction/Penetration for Underground Parking Facilty Lighting Loads at the Convention and Exhibition (COEX) Complex --- Jehyun Lee + Navid Ullah

(HOMER File)