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Integrated photovoltaic prefabricated substation

A prefabricated substation and photovoltaic technology, which is applied in photovoltaic power stations, photovoltaic power generation, power distribution substations, etc., can solve the problems of prolonging the construction period of photovoltaic substations, increasing the cost of photovoltaic substations, and many redundant parts of equipment, so as to achieve anti-phase deviation The effects of improved unbalance ability, strong heat dissipation performance, and improved short-circuit resistance ability

Pending Publication Date: 2022-06-21
HEFEI YUANZHEN ELECTRIC POWER TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Photovoltaic substation converts solar photovoltaic modules into electrical energy, connects to photovoltaic substation after summarization, and connects to power grid after DC to AC, low voltage and high voltage, and is uniformly deployed by the power grid to supply power to users, gradually replacing fossil energy, but currently photovoltaic substations have The disadvantages of scattered units, many redundant parts of equipment, and large space occupation increase the cost of photovoltaic substation construction, increase the difficulty of construction, and prolong the construction period of photovoltaic substations. This invention effectively solves this problem

Method used

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  • Integrated photovoltaic prefabricated substation
  • Integrated photovoltaic prefabricated substation
  • Integrated photovoltaic prefabricated substation

Examples

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Embodiment 1

[0030] like Figure 1-4 As shown, the integrated photovoltaic prefabricated substation includes a box, a current transformer, a voltage transformer, a maintenance transformer, a fuel tank 2 and functional accessories. The current transformer, voltage transformer and maintenance transformer are installed in the fuel tank 2, and the fuel tank 2 Loaded with mineral oil, current transformers, voltage transformers, and maintenance transformers are immersed in mineral oil to facilitate insulation and heat dissipation of current transformers, voltage transformers, and maintenance transformers.

[0031] The box body includes a medium-voltage room, a low-voltage room, a transformer room and a functional accessories room. There are several functional accessories rooms for installing various functional accessories. The functional accessories are respectively installed on the oil tank 2 and in the box body (not shown in the figure). 2 is installed in the box body, the box body can adopt t...

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Abstract

The invention discloses an integrated photovoltaic prefabricated substation which comprises a box body, a current transformer, a voltage transformer, a maintenance transformer and an oil tank, the current transformer, the voltage transformer and the maintenance transformer are installed in the oil tank, mineral oil is loaded in the oil tank, and the current transformer, the voltage transformer and the maintenance transformer are immersed in the mineral oil. The maintenance transformer and the main transformer are arranged into an integral structure, iron core modules of the maintenance transformer and the voltage transformer are omitted, and magnetoelectric conversion of the maintenance transformer and the voltage transformer module is achieved through magnetic field sharing of the main transformer (not shown in the figure). After the iron core modules of the maintenance transformer and the voltage transformer are canceled respectively, the power consumption of the maintenance transformer and the voltage transformer is greatly reduced.

Description

technical field [0001] The invention belongs to the field of prefabricated substations, and relates to an integrated photovoltaic prefabricated substation. Background technique [0002] Photovoltaic substations convert solar photovoltaic modules into electrical energy, which are connected to photovoltaic substations after aggregation, and then connected to the grid after DC to AC, low voltage and high voltage, and are uniformly deployed by the grid to supply power to users, gradually replacing fossil energy. However, at present, photovoltaic substations have The shortcomings of scattered units, redundant equipment, and large footprint increase the cost of photovoltaic substation construction, increase the difficulty of construction, and prolong the construction period of photovoltaic substations. The present invention effectively solves this problem. SUMMARY OF THE INVENTION [0003] In order to overcome the deficiencies of the prior art, the present invention provides an ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02B7/06H02S10/00H01F27/14H01F27/22
CPCH02B7/06H02S10/00H01F27/14H01F27/22Y02E10/50
Inventor 贺志友
Owner HEFEI YUANZHEN ELECTRIC POWER TECH
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