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Single-phase load dynamic power distribution system controller

A power distribution system, single-phase load technology, applied in electrical components, circuit devices, AC network circuits, etc., can solve the problem of high cost and achieve the effect of saving engineering costs

Pending Publication Date: 2019-07-26
贾继莹
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As far as such a technical solution is concerned, each meter must have a set of switching circuits for continuous power supply, so the cost of the entire project is still relatively high

Method used

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  • Single-phase load dynamic power distribution system controller
  • Single-phase load dynamic power distribution system controller
  • Single-phase load dynamic power distribution system controller

Examples

Experimental program
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Embodiment Construction

[0010] Such as image 3 , in a centralized meter box for 4 users, the three-phase A, B, and C three-phase terminals in the figure are connected to the three-phase power supply correspondingly, and N is the neutral wire of the power supply. Such as figure 1 The controller is responsible for the low-voltage part of the algorithm and communication and the high-voltage part responsible for switching and gating. The switching circuit of the high-voltage part is composed of three groups of anti-parallel unidirectional thyristors. One end of the three groups of switching circuits is respectively connected to the three-phase In the power supply, the other ends are connected together. The gating circuit is composed of 4 relays whose one end is connected to the common end and the other end is respectively output to the user load phase line. The low-voltage control signal controls the thyristor and the strobe relay through the internal drive circuit, and controls the phase selection r...

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PUM

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Abstract

The invention provides a single-phase load dynamic power distribution system controller, and aims to solve the technical problem that a dynamic commutation system is relatively high in cost. Accordingto the key points, a commutation circuit is integrated into the controller, so that multiple users share the commutation circuit; and the controller has the positive effect that the cost of the dynamic commutation system is reduced.

Description

technical field [0001] The invention belongs to the field of electric equipment. Background technique [0002] In the low-voltage distribution network, most of the loads are single-phase loads. In the past, these single-phase loads were fixedly connected to the three-phase power supply. With the increase of single-phase load capacity and the access of new energy, the topological structure of the low-voltage distribution network needs to be able to change dynamically with the load and the access of new energy to ensure the efficiency and safety of the power grid. Such work has been attempted in the patent whose patent application number is 201420427504.7. As far as such a technical solution is concerned, there must be a set of uninterrupted switching circuits for each electric meter, so the cost of the whole project is still relatively high. Contents of the invention [0003] In order to solve the above problems, the present invention provides a single-phase load dynamic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00
CPCH02J3/005
Inventor 贾智雪
Owner 贾继莹