| 摘要 |
The inverter includes a lamp ballast (10) which includes a primary ballast coil (12) and a secondary ballast coil (14) from which secondary coil the power is supplied to the remainder of the inverter and then to the lamp (not shown). The secondary coil (14) has a plurality of take-off points along its length and the inductance of the inverter circuit is varied by selecting the appropriate take-off point in order to match as nearly as possible the inductance of the inverter with the impedance value of a lamp with which the inverter is to be used. |
