DEVICE FOR SELECTIVE PROTECTION FROM ONE-PHASED AND MULTI-PHASED GROUND SHORT CIRCUITS OF ELECTRIC CABLE NETWORK WITH ISOLATED NEUTRAL

摘要

FIELD: devices for selective protection from one-phased and multi-phased short circuits of electric cable network with isolated neutral.;SUBSTANCE: device contains network generator, distribution device of cable line groups, a load, isolation state control organ made on basis of zero series voltage filter and capacitor, coupled into circuit between isolated neutral of generator and ground and grounded on short-term basis by executive organ in case of network damages.;EFFECT: simplification of device, improved metrological characteristics and reliability characteristics thereof.;3 cl, 1 dwg