| 摘要 |
A supply unit of a plant for sintering powder materials by electric current comprises following devices connected to a power supply: a rectifier, a pulse transformer of high power, chokes and electrodes. It is additionally equipped with a filter connected in parallel to a rectifier, a unit of filter charging containing in parallel connected switch and current limiting resistor and connected in series to the rectifier, a transistor half-bridge inverter of voltage connected in parallel to the filter, a current doubler comprising field-effect transistors and chokes. |
