FIELD: controlling traction motors.
SUBSTANCE: proposed matrix converter designed for converting electrical energy between at least one voltage supply 1 such as supply mains and at least one current supply 2 such as load has matrix of switches 6 connecting mentioned voltage supplies 1 to mentioned current supplies 2; novelty is that each of mentioned switches 6 has two insulated contacts 5 interconnected through diamond photoconductive layer 4; each switch 6 is controlled by light source 7 that irradiates diamond layer 4 disposed between two contacts 5 of switch 6.
EFFECT: ability of operation at high voltages.
10 cl, 4 dwg
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