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Three-phase balancing transformer and three-phase power supply system

A technology of three-phase transformer and three-phase balance, which is applied in the direction of electrical components, circuit devices, AC network circuits, etc., can solve the problems of missing components, occupying the space of the whole machine, and design costs, so as to reduce the volume and quantity, reduce the Effects of occupied space and design cost

Pending Publication Date: 2021-06-22
HEFEI ECRIEE TAMURA ELECTRIC
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In the two operating modes, there is always a component that is not working in the auxiliary power transformer and three-phase filter reactor, and the non-working component occupies the space of the whole machine and the design cost

Method used

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  • Three-phase balancing transformer and three-phase power supply system
  • Three-phase balancing transformer and three-phase power supply system
  • Three-phase balancing transformer and three-phase power supply system

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Embodiment Construction

[0035] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0036] see figure 2 , this embodiment discloses a three-phase balanced transformer, the three-phase balanced transformer includes a switch unit and three identical single-phase transformers, each of the single-phase transformers includes a primary winding, a secondary winding and an iron core, A reactor air gap is arranged i...

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Abstract

The invention discloses a three-phase balancing transformer which comprises a three-phase transformer body and a switch unit, the three-phase transformer body is used for being matched with different power sources to supply power, the three-phase transformer body is formed by connecting three identical single-phase transformer bodies, and each single-phase transformer body comprises a primary winding, a secondary winding and an iron core, wherein an electric reactor air gap is formed in the iron core; the switch unit is used for changing the connection relation between secondary windings of the three-phase transformer and is used for changing the connection relation between the secondary windings and power supplies, so that the working states of the three-phase transformer are switched, switching among different power supplies is realized, and the working states of the three-phase transformer comprise a transformer state and a reactor state. According to the three-phase transformer, the reactor and the transformer are integrated, and the three-phase transformer can be independently used as the transformer or the reactor.

Description

technical field [0001] The invention belongs to the technical field of power distribution, and in particular relates to a three-phase balance transformer and a three-phase power supply system. Background technique [0002] With the development of society, people have higher and higher requirements for the reliability and safety of power supply. Under the current objective situation of sharp increase in urban electricity consumption and serious shortage of power resources, two-way power supplies are required to ensure reliable power supply in many occasions. One power supply is the common power supply (also known as the main power supply) for power supply, and the other is the backup power supply (also called the auxiliary power supply). Once the main power supply fails, the auxiliary power supply will work immediately, so that the load end will not be affected by the power failure of the main power supply. . In order to maintain the normal operation of electrical equipment,...

Claims

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Application Information

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IPC IPC(8): H02J3/00H02J3/01H02J3/26
CPCH02J3/01H02J3/26Y02E40/40Y02E40/50
Inventor 丁济民万静龙张德光刘国安
Owner HEFEI ECRIEE TAMURA ELECTRIC
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