FIELD: instrumentation engineering. SUBSTANCE: electrical machine phase winding tester has power supply, switch, measuring unit, phase windings of electrical machine under test frequency-setting circuit incorporating a. c. voltage generator, isolating capacitor, current setting element, current supply, differential transformer with secondary winding, resistor, and capacitor. EFFECT: improved measurement accuracy, enlarged functional capabilities. 3 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| ELECTRIC MOTOR AND DRIVEN EQUIPMENT PROTECTIVE DEVICE | 2003 |
|
RU2263383C1 |
| METHOD TO PROTECT INFORMATION ON STORAGE OF HARD MAGNETIC DRIVES AND DEVICE FOR ITS REALISATION | 2010 |
|
RU2427933C1 |
| APPARATUS FOR PROTECTING INFORMATION STORED ON DIGITAL USB FLASH DRIVE FROM UNAUTHORISED ACCESS | 2010 |
|
RU2459237C2 |
| IMPACT ELECTROMECHANICAL CONVERTER OF COMBINED TYPE | 2013 |
|
RU2538094C1 |
| ELECTROMECHANICAL DEVICE FOR PROTECTION OF INFORMATION PLACED ON DIGITAL USB FLASH STORAGE AGAINST UNAUTHORISED ACCESS | 2012 |
|
RU2486583C1 |
| DEVICE FOR PROTECTING INFORMATION ON DIGITAL RECORDING MEDIUM FROM UNAUTHORISED ACCESS AND IMPLEMENTATION METHOD THEREOF | 2010 |
|
RU2446890C2 |
| INDUCTION-DYNAMIC MOTOR OF CYCLIC ACTION | 2011 |
|
RU2467455C2 |
| LINEAR ELECTROMECHANICAL CONVERTER OF IMPACT ACTION | 2013 |
|
RU2531701C1 |
| ELECTROMECHANICAL DEVICE FOR PROTECTION OF INFORMATION PLACED ON DIGITAL MEDIA AGAINST UNAUTHORISED ACCESS | 2010 |
|
RU2448360C1 |
| INFORMATION PROTECTION METHOD AND DEVICE FOR REALIZATION OF SAID METHOD | 2005 |
|
RU2305329C2 |
