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HOMER Online Training Course
Participant Quick Steps Lesson 1: Simulation
LESSON 1EXERCISE 1:SIMULATE A DIESEL-ONLY SYSTEM
ADD LOAD AND GENERATOR TO SCHEMATIC
1. Start HOMER and create a new file. Save it as lesson-1-exercise-1.hmr
2. Click Add/Remove
3. Check Primary Load 1 and Generator 1
4. Click OK
LOAD
1. Click Primary Load 1
2. For Label, type Small Load
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3. Show Load type options
4. Type first few values in table, then cut and paste from load profile.txt.
5. Show annual data table
6. Click Plot
7. Show hourly data
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8. Show Month and Day type lists
9. Close DView and Load Inputs window.
10. Save file
GENERATOR COMPONENT
1. Enter data for the generator component:
Costs: 14, 13000, 13000, 0.5Sizes: 14 kWDescription: Generator; Abbreviation: Gen, Lifetime: 20000
2. Show AC and DC options
3. Click Fuel tab
4. Click OK
FUEL COST
1. Click Diesel resource button
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2. Specify the diesel fuel cost: 0.60
3. Click OK
SPECIFYECONOMICS INPUTS
1. Show Other inputs
2. Click Economics
3. Change interest rate to 8
CALCULATE
1. Click Calculate
2. Review results
3. Click Small Load. Compare load profile to generator nominal power of 14 kW.
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LESSON 1EXERCISE 2:SIMULATE DIESEL SYSTEMS WITH AND WITHOUT
STORAGE1. Start HOMER and open the file lesson-1-exercise-1.hmr. Save the file as lesson-1-exercise-2.hmr.
2. Click Add/Remove
3. Add a battery to the schematic.
4. Click OK.
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5. Click Add/Remove
6. Check Converter
7. Choose Trojan L16P
9. Enter data for the battery component:Costs: 1, 220, 220, 4
Batteries per string: 8Sizes: 0, 1.
10. Click Converter
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11. Enter data for the converter component:
Costs: 1, 800, 800, 0
Sizes: 0, 12
CALCULATE AND REVIEW RESULTS
1. Click Calculate
2. Double-click generator-only system
3. Click Gen tab
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4. Double-click generator-battery system.
5. Click Gen tab
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HOMER Online Training Course
Participant Quick Steps Lesson 2: Optimization
LESSON 2EXERCISE 1:OPTIMIZE THE GENERATOR-BATTERY SYSTEM
1. Open lesson-1-exercise-2.hmr and save it as lesson-2-exercise-1.hmr
2. Expand the search space:Strings: add 2, 3Converters: add 4, 8
3. Run the optimization and display overall results.
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4. Show categorized results.
5. Note search space insufficient message
6. Show winning sizes
7. Adjust the search space: Add 4, 5, 6 strings
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8. Run the optimization and display overall results
LESSON 2EXERCISE 2:ADD SOLAR PANELS1. Add PV to the schematic
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2. Specify PV costs
7500, 7000,
3. Specify sizes to consider0, 4, 8, 12
4. Enter solar resource data36 N, 87 W, GMT -6
5. Categorized results
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6. Simulation results for diesel-battery
8. Simulation results for diesel-pv-battery
8. Refine search space to add more sizes of PV array:2, 3, 5 kW
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9. Calculate and note renewable fraction of optimal system
LESSON 2EXERCISE 3:ADD WIND TURBINES1. Add a wind turbine to the schematic
2. Choose Generic 3 kW
3. Costs: 1, 9000, 8000, 150
4. Sizes to consider 0, 1, 2, 3, 4
5. Hub height 20 m
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6. Note input warning
7. Enter wind resource data: 6 m/s annual averaage
8. Show hourly data
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9. Calculate
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HOMER Online Training CourseParticipant Quick Steps Lesson 3: Optimization
LESSON 3EXERCISE 1:ONE-DIMENSIONAL SENSITIVTY ANALYSIS ON WIND
SPEED
1. Open lesson-2-exercise-3.hmr and save it as lesson-3-exercise-1.hmr
2. Wind Resource Inputs
3. Scaled annual average: 4 m/s
4. Click Plot
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5. Wind Scaled Annual Average Sensitivity:4, 5, 6, 7
6. Calculate
7. Show Sensitivity results
8. Double-click 7 m/s system
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LESSON 3EXERCISE 2:TWO-DIMENSIONAL SENSITIVITY ANALYSIS ON WIND
SPEED AND FUEL PRICE1. Open lesson-2-exercise-3.hmr and save it as lesson-3-exercise-1.hmr
2. Add fuel price sensitivity:0.8, 1.0
3. Calculate4. Sensitivity table
5. OST Graph
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6. Superimpose Generik 3 kW
7. Click sensitivities button
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8. Calculate
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