FIELD: electrical engineering; conversion of ac, 220 V supply voltage into fractional-power supply for feeding low-power loads. SUBSTANCE: thyristor changer has diode bridge rectifier connected to ac voltage supply through capacitor; connected to diode bridge output are series-interconnected transformer primary winding and gate-control thyristor. Output voltage can be steplessly regulated from no voltage to rated value by varying thyristor turn-on angle. EFFECT: simplified design. 1 cl, 3 dwg
| Title | Year | Author | Number | 
|---|---|---|---|
| DEVICE FOR PROTECTING LOADS AGAINST ABNORMAL AC SUPPLY VOLTAGE | 1996 | 
 | RU2113046C1 | 
| SURGE VOLTAGE PROTECTION DEVICE FOR AC MAINS LOADS | 1996 | 
 | RU2095906C1 | 
| 0 |  | SU426292A1 | |
| THYRISTOR REGULATOR OF TEMPERATURE OF ELECTRIC HEATER | 1995 | 
 | RU2089935C1 | 
| SINUSOIDAL-TO-REGULATED-DC VOLTAGE CONVERTER | 2002 | 
 | RU2229740C1 | 
| 0 |  | SU438087A1 | |
| WELDING AGGREGATE | 2002 | 
 | RU2220828C2 | 
| 0 | 
 | SU387860A1 | |
| GATE CONVERTER DRIVEN BY NETWORK | 0 | 
 | SU1534702A1 | 
| A.C.VOLTAGE STABILIZER | 0 | 
 | SU1334118A1 | 
Authors
Dates
1997-07-20—Published
1994-02-10—Filed