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A Mechanical Rotary Adjustable Reactor

A rotary and reactance adjustment technology, applied in variable inductors, inductors, variable transformers, etc., to achieve the effects of easy engineering, low noise and vibration, and simple equipment structure

Active Publication Date: 2018-02-23
NANJING NARI GROUP CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is: in order to overcome the defects of the mechanical adjustable reactor in the prior art, on the basis of the existing mechanical reactor adjustment technology, provide an easy-to-engineer mechanical rotary reactor for distribution network Adjustable reactors to meet the needs of key equipment such as adjustable reactors in the distribution network, to achieve flexible real-time adjustment of reactance values ​​in grid applications

Method used

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  • A Mechanical Rotary Adjustable Reactor
  • A Mechanical Rotary Adjustable Reactor
  • A Mechanical Rotary Adjustable Reactor

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Embodiment 1

[0036] Figure 1 to Figure 7 An embodiment of the invention is given, where Figure 1 to Figure 4 is the case of the reactor body of this embodiment at different rotation angles, Figure 4 to Figure 7 It is the overall situation of the mechanical rotary adjustable reactor of this embodiment.

[0037] Such as Figure 4 to Figure 7 As shown, the reactor body of the mechanical rotary adjustable reactor in this embodiment is composed of a transformer and a rotating iron core. The rotating iron core is laminated with anisotropic ferromagnetic materials and has a cylindrical structure, which can keep the main magnetic circuit uniform and easy to drive and control the rotating iron core. The transformer is a transformer made of anisotropic ferromagnetic material, and a hole is laterally opened in the middle of the upper part of the iron yoke of the iron core to place the rotating iron core. The two ends of the rotating iron core are fixed by flanges to keep the relative position ...

Embodiment 2

[0055] Figure 11 to Figure 14 A second embodiment of the present invention is given. The difference between this embodiment and the first embodiment is that the installation position of the rotating iron core is different, that is, in the second embodiment, the rotating iron core passes laterally at the upper corner of the iron yoke of the transformer core, while other features All are the same as the first embodiment. This structure can also realize the omnipotent function of the present invention, and is easy to process. Since the air gap can be controlled to be smaller and the control precision is higher, it is suitable for occasions where the reactance value is controlled with high precision.

Embodiment 3

[0057] Figure 15 to Figure 16 A third embodiment of the present invention is given. The difference between this embodiment and the first embodiment is that the installation position of the rotating iron core is different, that is, in the third embodiment, the rotating iron core passes through the upper part of the iron yoke of the transformer core in the up and down direction, while other features are Basically the same as the first embodiment. This structure can also realize the omnipotent function of the present invention, and it is easy to fix the rotating iron core and its driving motor, which is convenient for installation and debugging, and is suitable for environments with complicated environments and difficult installations.

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Abstract

A mechanical rotary adjustable reactor, comprising a reactor body, an overrunning clutch, an external drive motor and a controller thereof, wherein the reactor body comprises a transformer and a rotary iron core. Both the transformer and the rotary iron core are made of an anisotropic ferromagnetic material. The rotary iron core is in the shape of a cylinder and passes through a yoke of an iron core of the transformer, and the two ends thereof are fixed using flanges and connected to the external drive motor by the overrunning clutch. The external drive motor is used for driving the rotary iron core to rotate in the iron core of the transformer under the control of the controller thereof, and the air gap between the rotary iron core and the iron core of the transformer is kept unchanged during rotation. The device is simple in structure, and is easily engineered, thereby being able to take account of related mechanical indices of performance adjustment, timeliness, linearity, noise, vibration, etc.

Description

technical field [0001] The invention belongs to the technical field of electric engineering, and more precisely, the invention relates to a mechanical rotary adjustable reactor suitable for power systems. Background technique [0002] With the rapid advancement of power grid construction, a large number of non-linear loads and reactive loads are connected to the distribution network, and problems such as reactive power loss, voltage fluctuations, and ground faults frequently occur in the power grid, which seriously affect the safety and stability of the power system. The power equipment used to control the problems in the above-mentioned power grid is widely used in the power grid, such as the automatic arc suppressing coil for suppressing the sneak supply current when the line is single-phase grounded, the shunt reactor for providing reactive power compensation, and the line for suppressing Series reactors for harmonic and short-circuit currents, and starting reactors for s...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01F29/10H01F27/24H02P13/10
CPCH01F27/24H01F29/10
Inventor 吴维宁侯凯李惠宇吕宏水邹剑武迪杨锐
Owner NANJING NARI GROUP CORP
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