FIELD: measuring equipment.
SUBSTANCE: invention relates to measurement equipment and can be used for calibration of the meters. Device comprises the bridge circuit storage capacitors, the bridge circuit power diodes, charge thyristors of the bridge circuit storage capacitors, power discharge thyristor, adjustable resistor of the time-setting control circuit of power thyristor, constant resistor of the time-setting control circuit of power thyristor, metering discharge energy capacitor of the time-setting circuit, high-voltage dinistor, pulse step-down transformer of power thyristor control, diode, suppressing extra currents in the primary winding of the pulse transformer, resistor, limiting current of the power thyristor control electrode, network transformer with two pairs of separate step-down windings, storage capacitor charge second diode of the control circuit of the bridge circuit charge thyristor, storage capacitor of the control circuit of the bridge circuit charge thyristor, limiting resistor in the circuit of charge thyristor control electrode of the appropriate storage capacitor of the bridge circuit, thyristor optically coupled isolator, first diode of optically coupled isolator actuation at the beginning of odd half-cycles of electric line voltage, the first resistor, limiting current of light-emitting diode of thyristor optically coupled isolator, low-voltage protection stabilizer of light-emitting diode of thyristor optically coupled isolator, against breakdown during discharge of bridge circuit storage capacitors in-series connected by power thyristor, back to the circuit with its double amplitude voltage, second resistor, limiting current of thyristor optically coupled isolator light-emitting diode.
EFFECT: technical result consists in simplifying the design of control circuit of charge and discharge of the bridge circuit storage capacitors at its operation in half-wave mode.
1 cl, 1 dwg
