| 摘要 |
An energy-saving network comprises A, B and C phase wires, 10/0, 22 kV single-phase transformers or 10/0, 38 kV three-phase transformers of 38 kV low power. The transformer is connected by the high-voltage winding to 10 kV line, by the low-voltage winding – to energy consumers. The network comprises a photoresistor, a receive/transmission control unit, a signal receive/transmission unit, a switching unit, a street lighting lamp, a galvanic insulation in the form of a single-phase transformer, and a galvanic insulation in the form of a transformer which secondary windings are triangle-connected and connected to the A, B and C phase wires. The photoresistor is connected to the input of receive/transmission control unit. The receive/transmission control unit through the galvanic insulation in the form of transformer which secondary winding are triangle connected to the A, B and C phases. The receive/transmission signal unit is connected to terminals of low-voltage side of transformer winding 10/0, 22 kV. The switching unit is connected to the street lighting lamp, and connected to the terminal of low voltage side of transformer winding 10/0, 22 kB, the output of switching unit is connected to the signal receive/transmission unit output. |
