Unified power system and isolated power systems. Relay protection and automation. Differential protection of power transmission lines with a voltage class of 330 kV and higher. Functional requirements
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Unified power system and isolated power systems. Relay protection and automation. Differential protection of power transmission lines with voltage class 110 - 220 kV. Functional requirements
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Unified power system and isolated power systems. Relay protection and automation. Differential-phase protection of power lines with voltage class 330 kV and higher. Functional requirements
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Unified power system and isolated power systems. Relay protection and automation. Differential-phase protection of power lines with voltage class 110–220 kV. Functional requirements
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Unified power system and isolated power systems. Relay protection and automation. Directional high-frequency protection of power lines with voltage class 110–220 kV. Functional requirements
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Laying asphalt concrete mix self-propelled asphalt paver D-150B (D-150A). The device of a two-layer asphalt concrete pavement on a two-layer crushed stone base
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Laying asphalt concrete mix self-propelled asphalt paver D-150B (D-150A). The device of the coating of black rubble with a surface treatment on a two-layer crushed stone base, the top layer of which is impregnated with organic materials
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Laying asphalt concrete mix self-propelled asphalt paver D-150B (D-150A). The device is a single-layer asphalt concrete pavement on a two-layer crushed stone base, the top layer of which is made of black rubble
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Asphalt pavement device. The device base is 6 cm thick of black crushed stone laid in a cold state
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Asphalt pavement device. Covering device 6 cm thick from black rubble, laid in cold, warm or hot condition
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Asphalt pavement device. The device of the top layer of a coating 3.5 cm thick of their warm fine-grained asphalt concrete
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Asphalt pavement device. The device of the bottom layer of coatings 5 cm thick of hot coarse-grained asphalt concrete
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