FIELD: electric measuring devices. SUBSTANCE: device has three-phase measuring transformer, direct sequence symmetry constituent filter, three memory units, rectifier, controlled gate, control unit, compensating voltage source, voltage divider, low- pass filter, amplifier, weight filter, effective value detection unit, squarer, accumulating adder, scaling unit, square-root calculation unit, recorder, delay gate. EFFECT: increased functional capabilities. 3 cl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DIGITAL DEVICE FOR MEASURING VOLTAGE HARMONIC FACTOR | 1990 |
|
RU2030753C1 |
| 0 |
|
SU1781642A1 | |
| ANALYZER OF WAVEFORM ENVELOPE | 1989 |
|
RU2020487C1 |
| DEVICE FOR MEASURING SYMMETRICAL COMPONENTS OF THREE-PHASE MAINS VOLTAGE | 0 |
|
SU1725166A1 |
| DIGITAL METER OF ELECTRIC POWER QUALITY IN THREE-PHASE MAINS | 0 |
|
SU1633368A1 |
| STATISTICAL ANALYZER OF VOLTAGE SURGES AND DROPS | 0 |
|
SU1837325A1 |
| METER OF ASYMMETRIC VOLTAGE IN THREE-PHASE MAINS | 0 |
|
SU1599813A1 |
| DEVICE FOR MEASURING QUALITY PARAMETERS OF THREE-PHASE NETWORK POWER | 0 |
|
SU1765787A1 |
| DIGITAL METER OF VOLTAGE DISBALANCE IN INDUSTRIAL POWER LINES | 0 |
|
SU1645915A1 |
| DEVICE FOR SYMMETRIZATION CURRENT IN THREE-PHASE NETWORKS | 0 |
|
SU1686600A1 |
