Transformer station optimum capacity and transformer quantity determination method
A determination method and substation technology, applied in electrical components, circuit devices, AC network circuits, etc., can solve problems such as troublesome staff, unreasonable substation capacity and number of transformers, power grid reliability, economic impact, etc., to improve power supply. capacity, the effect of improving the quality of power supply
Inactive Publication Date: 2015-12-23
DONGYING POWER SUPPLY COMPANY STATE GRID SHANDONG ELECTRIC POWER +2
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Problems solved by technology
[0002] At present, the capacity and the number of transformers in the substation are unreasonable, which has a great impact on the reliability and economy of the power grid. The problem of how to determine the capacity of the substation and the number of transformers has long troubled the staff
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Embodiment Construction
[0005] The medium capacity of the substation and the number of transformers are an important indicator of the structure, reliability and economy of the power grid. If the medium capacity of the substation and the number of transformers are different, the total number of substations in the network, the main wiring type, and the grounding method of the system will also be different, which will inevitably affect the power grid. Reliability and economy have different effects, so the present invention adopts high-load density areas to build large-capacity substations, the greater the load density, the more significant the effect, and the use of large-capacity transformers can improve economic benefits more than small-capacity transformers.
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The invention provides a transformer station optimum capacity and transformer quantity determination method. In the technical scheme, transformer station capacity and transformer quantity are important indexes to the reliability and economy of an electric network; different transformer station capacities and transformer quantities correspond to different transformer station quantities, main wiring types and system grounding modes in the electric network, which definitely has different influence on the reliability and economy of the electric network. Accordingly, in the invention, a large capacity transformer station is built in a high load density region; the higher the load intensity is, the more obvious the effect is; compared with a small capacity transformer, a large capacity transformer can better increase economic benefits. The method determines transformer station optimum capacities and transformer quantities, improves power supply quality, and enhances a line power supply capability.
Description
technical field [0001] The invention relates to the technical field of power supply, in particular to a method for determining the optimal capacity of a substation and the number of transformers. Background technique [0002] At present, the capacity and the number of transformers in the substation are unreasonable, which has a great impact on the reliability and economy of the power grid. The problem of how to determine the capacity of the substation and the number of transformers has long troubled the staff. Contents of the invention [0003] The purpose of the present invention is to provide a method for determining the optimal capacity of a substation and the number of transformers aiming at the defects in the prior art. The technical solution is: the medium capacity of the substation and the number of transformers are an important indicator of the grid structure, reliability, and economy. If the medium capacity of the substation and the number of transformers are diff...
Claims
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IPC IPC(8): H02J3/00
Inventor 孙士武姜在庆张清海李学海汪西彬刘亚宁王春富
Owner DONGYING POWER SUPPLY COMPANY STATE GRID SHANDONG ELECTRIC POWER