Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Александр Николаевич Андриенко, Никита Владимирович ВишневскийfiledCriticalАлександр Николаевич Андриенко
Priority to UAU200809385UpriorityCriticalpatent/UA39306U/en
Publication of UA39306UpublicationCriticalpatent/UA39306U/en
A device for one-phase short-circuit current limitation in neutral of high-voltage autotransformer windings comprises in series connected high and medium voltage windings of an autotransformer, linear switch devices of supply network, an individual protection element in the neutral, low-voltage autotransformer winding and active resistance between taps of the said winding. Moreover, the device comprises protective elements, a shunt discharger, an individual earthing disconnector, a circuit with in series connected: a disconnector, a reactor, active resistance and a primary winding of the current transformer; disconnector with a high-voltage winding of the voltage transformer , capacitance, a shunt switching device and parallel control circuits of the shunt switching device. Also the device comprises a low-voltage winding of the voltage transformer with a voltage relay connected between its taps and in series connected a time relay and an auxiliary relay.
UAU200809385U2008-07-172008-07-17Device for one-phase shunt current limitation in neutral of high-voltage autotransformer winding
UA39306U
(en)
Challenges in field implementation of controlled energization for various equipment loads with circuit breakers considering diversified dielectric and mechanical characteristics
Device for compensating single-phase capacitive currents and protecting electrical equipment against excess voltages in a high-voltage electrical network