AUTONOMOUS INVERTOR OF CURRENT

Invention relates to electrical engineering, and it can be used for the electrical drive. Its aim is to improve the current form factor. Invention contains two autonomous dc sources 1 and 9, each connected in a series with controlled switches 2 and 10. At least two controlled frequency generators 5, 6, and 11, 12 are attached to each of the switches, said generators being associated with programmable timers 7, 8 and 13, 14. Surge limiter 3 is connected in parallel to RL load 4. In a certain range of angle it forms unipolar pulses with current increase and decrease, providing a sinusoidal current character. Izgudrojums attiecas uz elektrotehniku un to var izmantot elektriskajās piedziņās. Izgudrojuma mērķis ir uzlabot strāvas formas koeficientu. Piedāvātā ierīce satur divus autonomus līdzsprieguma avotus 1 un 9, katram no kuriem virknē ir ieslēgti vadāmie slēdži 2 un 10. Katram no slēdžiem ir pievienoti vismaz divi vadāmie frekvenču ģeneratori 5, 6 un 11, 12, kuri ir saistīti ar programmējamiem taimeriem 7, 8 un 13, 14. Paralēli RL slodzei 4 ir pieslēgts pārsprieguma ierobežotājs 3. Noteiktā leņķu diapazonā formē unipolārus impulsus ar strāvas pieaugumu un samazinājumu, nodrošinot sinusoidālu strāvas raksturu.