General questions about the E-solar!
Display # 
1 What is appropriate technology? 211
2 Inappropriate technology - Consequences 206
3 Appropriate technology - An economical solution 189
4 Planning & sizing a solar sytem 290
5 Powering your heating loads 168
6 How reliable are wind turbines? 195
7 Policy factors 186
8 Wind-generators 167
9 How does the sun power a pump? 183
10 Battery voltage and current 221
11 Battery cable inductance 205
12 System voltage selection-12 or 24 V? 211
13 AC or DC? 161
14 Importance of high efficiency 177
15 Ghost loads 161
16 Common appliances with ghost loads 221
17 What is an inverter? 192
18 What is PV? 179
19 Are PVs cost effective? 186
20 How do PVs work? 187
21 The basic idea is simple! 164
22 How much PV do I need for my house? 250
23 How long will a PV last? 164
24 What kinds of PV are available? 174
25 Where is PV used? 180
26 What`s the big deal about "full" spectrum lighting? 204
27 What are compact fluorescents or PLs? 164
28 Compact fluorescents are so expensive - are they worth it? 176
29 What is a ballast and what is the difference between electronic and magnetic ones? 177
30 Should I use DC lights or run everything through an inverter? 177
31 Solar Water Heaters 205
32 Do solar water heaters have boosters 200
33 Which water heater? 182
34 How can I install a solar hot water system? 249
35 What can I use during power failures? 191
36 What appliances can a Trace system run? 160
37 How long can the batteries run the system? 172
38 How is the system recharged? 175
39 What kind of batteries do the systems include? 158
40 Why a Trace system over a generator? 169
41 How fast is the system response to black-outs? 181
42 How do I install my Trace system? 165
43 Where will my system be installed? 162
44 How do I decide which system is right for me? 235
45 AC Systems 209