FIELD: electricity.
SUBSTANCE: invention relates to high-voltage electrical systems for controlled power transmission lines. Result is provided due to the implementation of thyristor switches of the longitudinal control modules of each phase according to the bridge circuit, wherein diagonal of each bridge includes one control section of shunt transformer, which makes it possible to reduce number of thyristor switches and control sections of shunt transformer by two times. Also, when the three-phase thyristor switch is connected according to the “star” scheme, the third and multiple harmonic components are absent, since during subtraction of phase voltages the zero sequence components of different phases compensate each other.
EFFECT: reduction of design capacity of transformer equipment and stabilization of voltage in electric networks.
1 cl, 3 dwg
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