Single-phase power transformers of small capacity OL-NTZ are designed for outdoor installation on the supports of overhead power lines and in open switchgear (ORU). The transformers are designed for supplying the power supply of autoblocking circuits from overhead signalling lines, as well as other consumers in electrical networks from 6 kV to 35 kV.
Transformers intended for use in systems of normal operation of nuclear power plants (hereinafter referred to as NP-001) belong to class 4 according to 2.6 NP-001. Transformers intended for use in the safety-critical system of normal operation of nuclear power plants belong to Class 3 and have the classification designation 3H according to 2.6 NP-001.
Transformers intended for use in the safety system of a nuclear power plant belong to class 2 and have the classification designation 2O according to 2.6 NP-001. For railway applications, the area of application of the transformers is mast transformer substations intended for supplying power to non-traction pot
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