FIELD: measuring technique. SUBSTANCE: apparatus has input resistors 1,2,3, the voltage transformer 4, the current transformer 9, switches 11, 12, the connecting resistor 13, limiting resistors 14,15, operational amplifiers 8, 16, 20, the low frequency filter 17, registering units 18, 23, the pulse width modulator 10, the integrating capacitor 19, single-shot multivibrator 21, the comparator 22. The apparatus provides monitoring of an active power, being consumed by it, or a registration of electric energy, being consumed by it. EFFECT: enhanced accuracy of operation of the apparatus, enlarged using range of the apparatus. 1 cl, 1 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| PULSE-WIDTH MODULATOR | 0 |
|
SU1003330A1 |
| PULSE-WIDTH A.C.MODULATOR | 0 |
|
SU1123102A1 |
| PULSE-WIDTH MODULATOR | 0 |
|
SU1003329A1 |
| TIME-PULSE MULTIPLICATION DEVICE (ITS VERSIONS) | 0 |
|
SU1013977A1 |
| MULTI-FUNCTION PULSE-WIDTH MODULATOR | 0 |
|
SU866729A1 |
| 0 |
|
SU447824A1 | |
| WIDE-GATE AC MODULATOR | 0 |
|
SU1575299A1 |
| TIME-PULSE DEVICE AND ITS VERSIONS | 0 |
|
SU879601A1 |
| SQUARE-WAVE GENERATOR | 0 |
|
SU936391A1 |
| PULSE-TIME MULTIPLYING DEVICE | 0 |
|
SU746574A1 |
