3xZNOL.04P are designed for use in AC electrical circuits of 50 Hz frequency with rated voltages of 6 and 10 kV in order to transmit the signal of measuring information to measurement, protection, automation, signalling and control devices.
3xZNOL.04P are manufactured for the needs of the power industry, including nuclear power plants (NPP) and are designed for installation in complete switchgear (CS), closed switchgear (CS). The three-phase group is resistant to ferroresonance of the network and (or) the impact of intermittent arcing in the event of a ground fault of one of the phases due to the use of anti-resonance, damping device - reactor.
Three-phase group consists of three single-phase two- or three-winding transformers ZNOL.04P, isolated from each other by gaskets, and a reactor, included in the HV windings of transformers ZNOL.04P, and mounted on a common metal frame. Each transformer is equipped with an inbuilt SIBA safety device.
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