FIELD: electricity.
SUBSTANCE: device includes switches for feeding and outgoing lines, differentiating induction current converters and four-phase bridge rectifier. Differentiating induction current converters include current leads and coils enveloping them and located on toroids made from flexible pins. Ends of those pins are adjoined to each other at the erection of coils of differentiating induction converters. Coils are made in the form of several similar sections equally located along the above toroids. Each section has two layers (internal and external). Each of coils of differentiating induction current converters is divided into two parts, to the first one of which there introduced are all sectional windings of inner layer, and to the second one - all sectional windings of outer layer.
EFFECT: improving the properties of device for differential current protection of buses.
6 dwg
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