Achieving Energy Independence - One Step at a Time

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Product Details

  • ISBN-13: 9780966933604
  • Publisher: Dunimis Technology, Incorporated
  • Publication date: 10/1/1999
  • Pages: 184
  • Product dimensions: 7.00 (w) x 9.20 (h) x 0.55 (d)

Table of Contents

Introduction i
Chapter I What is the Grid? 1
Chapter II Identifying Your Power Needs 7
Appliance Inventory 9
Effects of Time on Energy Usage 10
Air Conditioning Loads 11
Lighting Loads 13
Heating Appliance Loads 18
Clothes Washing and Drying 19
Chapter III Parasitic Electric Loads 21
Example of Parasitic Loads 22
Chapter IV Refrigeration 25
Chapter V Water, Water, Everywhere 29
Well Pumps 29
Expansion Tanks 30
Expansion Tank Sizing 31
Water Filters 32
Bacteria Filters 34
Chapter VI Understanding the Basics 37
Utility kWh Meters 39
Demand Charges 39
Appliance Efficiency Effects 41
Electric Motors 42
Ac Motor Operation 42
Dc Motor Operation 42
Chapter VII Backup Power System Types 45
Flashlights 45
Portable Generators 45
Battery Power 45
Inverter Power 47
Solar Power 48
Wind Power 48
Chapter VIII Batteries and Battery Charging 51
Battery Types 52
Battery Sizes 52
Battery Charging 54
Battery Equalization 56
Periodic Battery Maintenance 57
Battery Location 59
Chapter IX Inverters 63
What Inverters will Not do 65
Inverter Sizes 67
Inverter Input Current and Voltage 68
Packaged Inverters 72
Larger Voltage Loads 74
Chapter X Solar Insolation and PV Arrays 77
Solar Modules and Solar Arrays 79
Higher Voltage Modules 80
Photovoetaic Cell Types 81
Solar Modules as Roofs 83
How Does it Work? 85
Chapter XI Solar Battery Charging 87
Solar Charging VS. Generator Charging 88
Array Wiring 88
Charge Controller 89
Array Ground Fault 89
Bypass Diode 90
Blocking Diode 90
Arrays for Outbuilding Lighting 91
Arrays for Battery Charging 92
Sizing a PV Array 93
Array Mounting 94
Chapter XII Lifestyle Changes 95
Chapter XIII Where do I Start? 101
Step 1 Your First Assignment - Lighting 101
Step 2 Your Second Assignment - Appliances 103
Step 3 Reduce Standby Loads 103
Step 4 Buy Your Backup Power Equipment! 104
Chapter XIV Basic Wiring System Layouts 111
Weekend Cabin - DC Only 112
Weekend Cabin - AC Option 114
Temporary Emergency Backup 117
Backup Power System - 4,000 Watts 120
Off-Grid Solar System - 4,000 Watts 123
Off-Grid Solar System - 8,000 Watts 126
Wind Charging Option 133
Solar Powered Farm Well Pump 136
Chapter XV Wire Sizing 143
Wire Color Codes 144
Wire Size Verses Resistance Loss 144
Wire Size Verses Temperature 145
Wire Size Verses Conduit 145
Wire Size Verses Safety 146
Wire Size Verses Circuit Breaker and Fuse Size 147
Fuses Verses Circuit Breakers 147
Switching Electric Power 148
Preliminary Wire Sizing Guide 149
Chapter XVI Closing Thoughts 151
Appendix 157
Helpful Conversion Factors 1
"Rule of Thumb" Guidelines 2
Table: #1 Electrical Loads by Time Periods 4
Table: #2 Watt - Hours by Time Period 5
Table: #3 Appliance Electrical Loads 6
Table: #4 Friction Loss Per 100 Feet of PVC 11
Table: #5 Battery State of Charge 13
Table: #6 Maximum Wire Amperage 15
Table: #7 2% Wire Loss Table 16
Table: #8 Battery Bank Sizes and Wiring 18
Table: #9 Dimensions of Solar PV Panels 19
Table: #10 Simplified Method 20
Table: #10 Example 23
Other Information Sources 26
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