FIELD: electrical engineering;; variable-speed drives using induction drive motors. SUBSTANCE: variable-speed ac drive has parameter setting unit, integral regulator, proportional regulator, differentiating unit, multiplying unit, adders, off-line voltage inverter, induction motor, module separation unit, dividing unit, switch, comparison unit, and speed transducer. Speed control is effected independently of changes in dynamic properties of drive motor. EFFECT: enhanced speed and operating stability in wide speed control range. 1 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| SERVO DRIVE WITH ASYNCHRONOUS MOTOR | 2006 |
|
RU2358382C2 |
| METHOD OF OPERATION OF WELL WITH SUBMERSIBLE CENTRIFUGAL PUMP AND DEVICE FOR REALIZATION OF THIS METHOD | 1998 |
|
RU2165037C2 |
| VEHICLE STEERING GEAR | 1999 |
|
RU2157327C1 |
| VIBROPLATFORM WITH A CHANGEABLE FREQUENCY OF VIBRATIONS | 2002 |
|
RU2233738C2 |
| TABLE VIBRATOR FOR COMPACTION OF CONCRETE MIXES IN MOLD | 1998 |
|
RU2157756C2 |
| SYSTEM FOR VECTOR CONTROL OF SPEED OF ASYNCHRONOUS ELECTRIC MOTOR | 2006 |
|
RU2317632C1 |
| VEHICLE STEERING DEVICE | 2001 |
|
RU2187437C1 |
| VIBRATION FRAME | 2003 |
|
RU2236937C1 |
| AC CONVERTER-FED INDUCTOR-MOTOR DRIVE | 2002 |
|
RU2225067C1 |
| ALTERNATING CURRENT DRIVE | 2008 |
|
RU2396696C2 |
