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A substation device, energy-saving technology, applied in the direction of substation/switchgear board/panel/desk, panel/switch station circuit device, substation/switch layout details, etc., can solve the problem of low transformer utilization and power outage maintenance Wide area, occupation of land resources and other issues, to achieve the effect of improving power supply quality, saving user investment, and small size
Inactive Publication Date: 2009-12-16
BORUI ELECTRIC
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However, users in urban residential quarters and public lighting only need 220V single-phase electricity. Therefore, each user has to share the cost of line loss and variable loss. Stability, many fault points, wide-ranging impact of power outage maintenance, high facility costs, and power supply and transformation facilities occupy valuable land resources
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[0016] The present invention and its embodiments will be described in further detail below in conjunction with the accompanying drawings.
[0017] figure 1 , 2 , 3, the energy-saving single-phase built-in substation is mainly composed of a single-phase transformer 1 and a low-voltage distribution box 2, and the single-phase transformer 1 and the low-voltage distribution box 2 are integrated and embedded in the vertical inside the wall.
[0018] Figure 4 As shown, single-phase transformer 1 is composed of load switch F, backup protection fuses FA1, FB1, plug-in fuses FA2, FB2, tap changer N1, primary coils b1, b2, secondary coils N2, N3, incoming line terminals a, b, outgoing line terminals a1, a2, X, the incoming line terminals a, b of the transformer are connected to the elbow cable plug, the incoming line terminals a, b pass through the load switch F, backup protection fuses FA1, FB1, plug-in fuses FA2 and FB2 are then connected to the primary coils b1 and b2; the secon...
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Abstract
The invention relates to an energy-saving single-phase embedded substation, wherein a single-phase transformer (1) and a low-voltage power distribution box (2) are assembled into a single-phase plug-in and embedded in a vertical wall of a building; Transformer (1) consists of load switch (F), backup protection fuse (FA1, FB1), plug-in fuse (FA2, FB2), tap changer (N1), primary coil (b1, b2), secondary coil ( N2, N3), incoming terminals (a, b) and outgoing terminals (a1, a2, X); low-voltage distribution box (2) consists of ammeter (A), voltmeter (V), main switch (QF), It consists of metering meter (KWh), each user shunt switch (K1~K10) and thyristor non-contact dynamic capacitance compensator (Q). The invention is small in size, low in cost, light and beautiful, safe and reliable, does not occupy land, is easy to install and maintain, and is suitable for use in residential quarters and commercial outlets.
Description
technical field [0001] The invention relates to a power supply and transformation device, in particular to an energy-saving single-phase built-in power transformation device. Background technique [0002] At present, the power supply mode of urban residential quarters in my country is that the grid power transforms the 10KV high-voltage power to 380V through the switching station or box-type substation, and then delivers the power to each user through the cable branch box. However, users in urban residential quarters and public lighting only need 220V single-phase electricity. Therefore, each user has to share the cost of line loss and variable loss. Stability, many fault points, wide-ranging impact of power outage maintenance, high facility costs, and power supply and transformation facilities occupy valuable land resources. Contents of the invention [0003] The object of the present invention is to provide an energy-saving single-phase built-in substation device which ...
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