| 323 / | HD | ELECTRICITY: POWER SUPPLY OR REGULATION SYSTEMS |
| 212 | ![]() | FOR PHASE SHIFT OR CONTROL {5} |
| 213 | DF | .~> By splitting and combining |
| 214 | DF | .~> Using saturable inductor |
| 215 | DF | .~> Using transformer {1} |
| 217 | DF | .~> Using a three or more terminal semiconductive device |
| 218 | DF | .~> Using impedance {1} |