CN115241867A - Power quality detection and optimization equipment for smart power grid - Google Patents

Abstract

The invention discloses power quality detection and optimization equipment of a smart power grid, which comprises a main circuit, wherein a power supply is fixedly installed at the initial end of the main circuit, a main switch is arranged on one side of the power supply on the main circuit, the main circuit is connected with a power quality detection device, the power quality detection device is electrically connected with a control circuit and a standby circuit, the standby circuit is connected with the main circuit, the control circuit is connected with a circuit compensator, the circuit compensator is connected with the main circuit, the tail end of the main circuit is connected with a load, a transmitter is connected on the main circuit, and the transmitter is connected with a data backup device. The invention ensures the stability of the circuit, avoids insufficient load supply or damaged bearing, greatly reduces the cost, reduces the energy consumption, improves the transmission reliability, improves the overall stability and safety, avoids causing unnecessary accidents or economic losses, and is convenient for later circuit maintenance and adjustment.

Description

A smart grid power quality detection and optimization equipment

technical field

The invention relates to the technical field of smart grids, in particular to a power quality detection and optimization device for smart grids.

Background technique

Smart grid is the intelligence of the power grid, also known as "Grid 2.0", is based on an integrated, high-speed two-way communication network, through advanced sensing and measurement technology, advanced equipment technology, advanced control methods and The application of advanced decision support system technology to achieve the goals of reliability, safety, economy, high efficiency, environmental friendliness and safe use of the power grid, its main features include self-healing, motivating and protecting users, resisting attacks, and providing power quality that meets user needs , Allows access to various forms of power generation, activation of electricity markets, and optimized and efficient operation of assets. The development of smart grid is still in its infancy in the world, and there is no common precise definition. Its technology can be roughly divided into four fields: advanced measurement system, advanced distribution operation, advanced transmission operation and advanced asset management. The main function of the advanced measurement system is to authorize users to establish a connection between the system and the load, so that users can support the operation of the power grid; the core of advanced power distribution operation is online real-time decision-making and command, and the goal is to prevent disasters and prevent large-scale cascading failures. The main role of advanced transmission operation is to emphasize congestion management and reduce the risk of large-scale outages; advanced asset management is to install a large number of advanced sensors in the system that can provide system parameters and equipment (asset) "health" status, and collect the collected data. Integrate real-time information with resource management, simulation and simulation processes, etc., to improve the operation and efficiency of the power grid.

As the interconnection and complexity of power grids become larger and larger, more and more factors are considered in their control in the distribution network. On the premise of maintaining system stability and safety, it is necessary to meet the increasing Many power quality control devices are designed based on the existing network structure, rather than through additional networks to meet the requirements, which may lead to reduced stability and security on some transmission lines.

Based on this, the present invention designs a power quality detection and optimization device for a smart grid to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a power quality detection and optimization device for a smart grid, so as to solve the problem that many power quality control devices proposed in the above background technology are designed based on the existing network structure, rather than achieved by adding additional networks. requirements, which in turn may lead to issues of reduced stability and security on some transmission lines.

To achieve the above object, the present invention provides the following technical solutions:

A power quality detection and optimization device for a smart grid, including a main circuit, a power supply is fixedly installed at the initial end of the main circuit, a main switch is provided on the main circuit on one side of the power supply, and the main circuit is connected to the power quality A detection device, the power quality detection device is electrically connected to a control circuit and a backup circuit, the backup circuit is wired to the main circuit, the control circuit is connected to a circuit compensator, the circuit compensator is connected to the main circuit, and the The end of the main circuit is connected to the load, the main circuit is connected to the transmitter, and the transmitter is connected to the data backup device.

As a further solution of the present invention, the power quality detection device and the control circuit and the backup circuit are respectively connected through a double switch.

As a further solution of the present invention, a circuit protector is also included, and the circuit protector is electrically connected with the main circuit.

As a further solution of the present invention, the data backup device is connected through a wireless signal, and the wireless signal includes:

As a further solution of the present invention, a circuit breaker is installed between the circuit compensator and the main line.

As a further solution of the present invention, a transformer is installed at the beginning of the main circuit behind the main switch.

Compared with the prior art, the beneficial effects of the present invention are:

1. A smart grid power quality detection and optimization device proposed by the present invention uses a power quality detection device to detect the power quality, and compensates the power through a circuit compensator to ensure the stability of the circuit and avoid insufficient load supply Or the pressure is damaged, the cost is greatly reduced, and the reliability of the transmission is improved while reducing the energy consumption, so that the overall stability and safety are improved.

2. The present invention is provided with a transformer, a circuit protector and a circuit breaker, so that the circuit transmission is stable, and a certain safety guarantee can be provided to avoid unnecessary accidents or economic losses.

3. The present invention is designed with a transmitter and a data backup device, which can transmit the working status of the circuit and back it up as a work log, which is convenient for circuit maintenance and adjustment in the later period.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

FIG. 1 is a schematic diagram of the overall structure of a power quality detection and optimization device for a smart grid according to the invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "rear", "middle", "inside", " The orientation or positional relationship indicated by "top", "bottom end", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have specific orientation, construction and operation in a specific orientation, and therefore should not be construed as a limitation of the present invention; the terms "first", "second", "third" are used for descriptive purposes only and should not be construed as indicating or implying relative Importance; in addition, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integral connection; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in FIG. 1 , the present invention provides a power quality detection and optimization device for a smart grid, wherein,

1 is a schematic diagram of the overall structure of a power quality detection and optimization device for a smart grid according to the invention;

It can be seen from FIG. 1 that, in practical application, a power quality detection and optimization device for a smart grid includes a main circuit 1, and a power supply 2 is fixedly installed at the initial end of the main circuit 1, and the main circuit 1 is located on the main circuit 1. One side of the power supply 2 is provided with a main switch 3, the main circuit 1 is connected to a power quality detection device 6, and the power quality detection device 6 is electrically connected to a control circuit 8 and a backup circuit 11, and the backup circuit 11 is connected to the main power quality detection device 6. The circuit 1 is wired, the control circuit 8 is connected to the circuit compensator 9, the circuit compensator 9 is connected to the main line 1, the end of the main circuit 1 is connected to the load 12, the main circuit 1 is connected to the transmitter 13, The transmitter 13 is connected to the data backup device 14 .

The power quality detection device 6 and the control circuit 8 and the backup circuit 11 are respectively connected through a double switch 7 . A circuit protector 5 is also included, and the circuit protector 5 is electrically connected with the main circuit 1 . The data backup device 14 is connected by a wireless signal, and the wireless signal includes: A circuit breaker 10 is installed between the circuit compensator 9 and the main line 1 . The starting end of the main circuit 1 is located behind the main switch 3 and a transformer 4 is installed.

The power quality detection and optimization equipment of the smart grid proposed by the present invention uses a power quality detection device to detect the power quality, and compensates the power through a circuit compensator, so as to ensure the stability of the circuit and avoid insufficient load supply or overloading. The pressure is damaged, the cost is greatly reduced, and the reliability of the transmission is improved while reducing the energy consumption, so that the overall stability and safety are improved. The invention is provided with a transformer, a circuit protector and a circuit breaker, so that the circuit transmission is stable, and a certain safety guarantee can be provided to avoid unnecessary accidents or economic losses. The invention is designed with a transmitter and a data backup device, which can transmit the working status of the circuit and back it up as a working log, which is convenient for circuit maintenance, maintenance and adjustment in the later stage.

The above-disclosed preferred embodiments of the present invention are provided only to help illustrate the present invention. The preferred embodiments do not exhaust all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this specification. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is to be limited only by the claims and their full scope and equivalents.

Claims (6)

1. A power quality detection and optimization device for a smart grid, characterized in that: it comprises a main circuit (1), a power supply (2) is fixedly installed at the initial end of the main circuit (1), and a power supply (2) is fixedly installed on the main circuit (1) A main switch (3) is provided on one side of the power supply (2), the main circuit (1) is connected to a power quality detection device (6), and the power quality detection device (6) is electrically connected to the control circuit (8) and A backup circuit (11), the backup circuit (11) is connected to the main circuit (1), the control circuit (8) is connected to a circuit compensator (9), and the circuit compensator (9) is connected to the The main circuit (1) is connected to a load (12) at the end of the main circuit (1), a transmitter (13) is connected to the main circuit (1), and the transmitter (13) is connected to a data backup device (14). 2. A power quality detection and optimization device for a smart grid according to claim 1, characterized in that: between the power quality detection device (6), the control circuit (8) and the backup circuit (11) They are respectively switched on by means of the double switch (7). 3. A power quality detection and optimization device for a smart grid according to claim 1, characterized in that: further comprising a circuit protector (5), the circuit protector (5) and the main circuit (1) Wiring and electrical connection between them. 4 . The power quality detection and optimization device for a smart grid according to claim 1 , wherein the data backup device ( 14 ) is connected through a wireless signal, and the wireless signal includes . 5 . 5. A power quality detection and optimization device for a smart grid according to claim 1, wherein a circuit breaker (10) is installed between the circuit compensator (9) and the main line (1). ). 6. A power quality detection and optimization device for a smart grid according to claim 1, wherein a transformer (4) is installed at the beginning of the main circuit (1) behind the main switch (3).

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