FIELD: electricity.
SUBSTANCE: device includes the following: insulating transformer; two high-frequency voltage generators; two fictitious power sources each of which includes voltage generator of sine shape of low frequency and current generator of sine shape of low frequency; two voltmetres; two ammetres; two wattmetres. Input circuit of calibrated device is made in the form of current transformer with the main and additional primary windings with known number of turns.
EFFECT: improving measurement accuracy.
2 cl, 1 dwg
Title | Year | Author | Number |
---|---|---|---|
METHOD OF MEASURING POWER LOSSES DUE TO HIGHER HARMONICS | 0 |
|
SU1161888A1 |
RMS VOLTMETER VERIFICATION METHOD | 0 |
|
SU1774297A2 |
DEVICE FOR CALIBRATION OF MEASURING CONVERTER | 2008 |
|
RU2364881C1 |
TEST METHOD FOR RMS VOLTMETERS | 1989 |
|
RU2018154C1 |
0 |
|
SU479063A1 | |
INDICATOR OF PRESENCE OF NONLINEAR DISTORTIONS IN RADIO ELECTRONIC SYSTEMS | 2019 |
|
RU2727390C1 |
0 |
|
SU99033A1 | |
METHOD OF CHECKING ELECTROMECHANICAL WATTMETERS | 0 |
|
SU1157490A1 |
0 |
|
SU105873A1 | |
0 |
|
SU441535A1 |
Authors
Dates
2011-06-10—Published
2010-02-16—Filed