CN211930267U - Simulation commutation debugging system applied to three-phase imbalance - Google Patents

Abstract

The utility model provides a simulation commutation debugging system applied to three-phase unbalance, which comprises a controller and a switching communication board; the controller and the switching communication board are communicated through an LORA module; and the switching communication board is communicated with the commutation switch simulation debugging software through a 485-to-232 connecting line or an Ethernet line. The utility model discloses under the condition that does not have actual commutation switch, do holistic debugging with simulation debugging software cooperation controller according to the function of commutation switch, at the commutation, the wheel is copied, communication, the equitable aassessment is made through the test in the aspect of gathering in real time etc, be applicable to the functional test of various ammeter and commutation switch, convenient safe finding out the problem, reduce the error rate in later stage, the later stage is convenient for demonstrate to the power company customer directly perceived, the commutation switch of being convenient for combines together with simulation commutation debug system, more can audio-visual abundant functions and the defect of show controller, and the work efficiency is improved.

Description

Simulation commutation debugging system applied to three-phase imbalance

Technical Field

The utility model relates to a distribution technical field, especially a be applied to unbalanced simulation commutation debug system of three-phase.

Background

In the distribution field, because there is three-phase power consumption load inequality that a large amount of wiring is not normal or the power consumption distributes the inequality and leads to in daily life, processing production and the communal facility, cause the electric current unbalanced three phase, and then lead to the line loss increase of original circuit, nonlinear impact load becomes strong, causes huge destruction, the life-span of the harm platform district transformer of indirectness for distribution equipment and line equipment. The three-phase load unbalance of the distribution transformer area has adverse effects on the power supply safety, the power supply quality and the economic operation of the distribution network, is one of main embodiments of weak links of the distribution network, causes frequent intermittent power failure of users under the transformer area, and affects the life and labor safety of residents.

In order to meet the lean management work requirement of the power distribution network, the treatment work of the three-phase load imbalance problem in the power distribution station area is carried out. The unbalanced three-phase load problem of the power distribution area has the characteristics of dynamism and randomness, and the unbalanced three-phase load treatment device of the commutation switch type can solve the problem of unbalanced three-phase load of the power distribution area from the root. However, the function test and the demonstration by the client before the phase change switch leaves the factory are also difficult points for the three-phase imbalance management, the function test needs to be performed with the power-on of the controller, the multi-position power supply equipment supplies power to the phase change switch and the controller, a large amount of real live loads need to be provided for the phase change switch, the voltage and the current are large, and potential personal injury is easily caused. In the demonstration of the client, due to the limitation of geographical conditions, the demonstration equipment is too large and complex, so that the demonstration equipment is inconvenient to carry too many pieces of equipment for demonstration, and if only video and photo resources are carried, the demonstration equipment is monotonous and has no persuasion. Therefore, the simulation debugging system for developing the three-phase unbalanced treatment commutation switch is convenient for in-field function test and later-stage customer demonstration.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a be applied to unbalanced simulation commutation debug system of three-phase aims at solving the problem that lacks commutation debug analog system among the prior art, realizes simulating the commutation debugging under the condition that does not have actual commutation switch, improves work efficiency, and convenient safe problem of finding out reduces later stage error rate.

In order to achieve the technical purpose, the utility model provides a be applied to unbalanced three-phase simulation commutation debug system, the system includes:

a controller and a switching communication board;

the controller and the switching communication board are communicated through an LORA module;

the LORA module interface connection structure on the transit communication board is as follows:

the 1 st pin and the 2 nd pin of the J20 are connected with a 12V power supply, and the 2 nd pin is also connected with capacitors C1 and C2; pins 3 and 4 are grounded; the 6 th pin is connected with a resistor R42 and a resistor R9, and the other end of R42 is connected with a signal end of MCU _ RXD1 of the controller; the 7 th pin is connected with the HOST _ TXD1 signal end; the 8 th pin is connected with a PLC _ SET _1 signal end and a resistor R39; the 9 th pin is connected with a PLC _ STA _1 signal end and a resistor R36; the 10 th pin is connected with a PLC _ RST _1 and a resistor R41; the 12 th pin is connected with a PLC _ EVENT _1 signal end and a resistor R37; the resistors R9, R36, R39, R41 and R37 are all connected with 3.3V voltage;

and the switching communication board is communicated with the commutation switch simulation debugging software through a 485-to-232 connecting line or an Ethernet line.

Preferably, the controller is a programmable logic controller.

The effects provided in the contents of the present invention are only the effects of the embodiments, not all the effects of the present invention, and one of the above technical solutions has the following advantages or advantageous effects:

compared with the prior art, the utility model discloses under the condition that does not have actual commutation switch, do holistic debugging with simulation debugging software cooperation controller according to the function of commutation switch, at the commutation, the wheel is copied, communication, the reasonable aassessment is made through the test in the aspect of gathering in real time etc, be applicable to the functional test of various ammeter and commutation switch, especially do not have the physical or in order to guarantee the theoretical verification before the physical safety test, convenient safe finding out the problem, reduce the error rate in later stage, the later stage is convenient for demonstrate directly perceived to the power company customer, the commutation switch of being convenient for combines together with simulation commutation debugging system, abundant function and the defect that more can audio-visual show control ware, and the work efficiency is improved.

Drawings

Fig. 1 is a circuit diagram illustrating a connection between a controller and a switching communication board in an analog commutation debugging system for three-phase imbalance according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a simulation commutation debugging software interface provided in an embodiment of the present invention.

Detailed Description

In order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted so as to not unnecessarily limit the invention.

The following describes in detail a simulation commutation debugging system applied to three-phase imbalance according to an embodiment of the present invention with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model discloses a be applied to unbalanced simulation commutation debug system of three-phase, the system includes:

a controller and a switching communication board;

the controller and the switching communication board are communicated through an LORA module;

the LORA module interface connection structure on the transit communication board is as follows:

the 1 st pin and the 2 nd pin of the J20 are connected with a 12V power supply, and the 2 nd pin is also connected with capacitors C1 and C2; pins 3 and 4 are grounded; the 6 th pin is connected with a resistor R42 and a resistor R9, and the other end of R42 is connected with a signal end of MCU _ RXD1 of the controller; the 7 th pin is connected with the HOST _ TXD1 signal end; the 8 th pin is connected with a PLC _ SET _1 signal end and a resistor R39; the 9 th pin is connected with a PLC _ STA _1 signal end and a resistor R36; the 10 th pin is connected with a PLC _ RST _1 and a resistor R41; the 12 th pin is connected with a PLC _ EVENT _1 signal end and a resistor R37; the resistors R9, R36, R39, R41 and R37 are all connected with 3.3V voltage;

and the switching communication board is communicated with the commutation switch simulation debugging software through a 485-to-232 connecting line or an Ethernet line.

Unbalanced simulation commutation debugging system of three-phase is under the condition that does not have actual commutation switch, does holistic debugging with simulation debugging software cooperation controller according to commutation switch's function. Reasonable evaluation is made through testing in the aspects of phase change, round reading, communication, real-time acquisition and the like.

The controller used in the utility model is a conventional programmable logic controller.

The simulation commutation debugging system takes commutation switch simulation debugging software as a core, and is matched with a controller to perform ammeter data acquisition and commutation switch commutation and other functional tests, the controller adopts an LORA module to communicate with the LORA module on the switching communication board, and the switching communication board communicates with the commutation switch simulation debugging software through a 485-to-232 connecting line or an Ethernet line.

The embodiment of the invention adopts an LORA wireless communication mode, LORA local area network communication under the field environment is simulated between the controller and the transit communication board, a communication mode inside the simulation phase change switch is adopted between the simulation phase change software and the transit communication board, and the phase change switch can support serial port communication and Ethernet communication. Before simulating phase change, writing information such as parameters, real-time data and switch/epitope addresses required to be configured into a background database of software, carrying out alternate copying by a controller according to the set phase change switch address, wherein the number of the limited epitopes tested at present is 12, and after the alternate copying of the 12 epitopes is successful, executing a phase change algorithm by the controller and sending a phase change command to a switch on the required epitope. And finally, checking whether the relevant indexes after the phase change are successful or not through the controller, and checking whether the real-time data of the phase change switches with 12 epitopes change according to the sequence after the phase change or not.

The utility model discloses under the condition that does not have actual commutation switch, do holistic debugging with simulation debugging software cooperation controller according to the function of commutation switch, in the commutation, the wheel is copied, communication, the equitable aassessment is made through the test in the aspect of gathering in real time etc, be applicable to the functional test of various ammeter and commutation switch, especially do not have in kind or in order to guarantee the theoretical verification before the safety test in kind, convenient safe problem of finding out, reduce the error rate in later stage, the later stage is convenient for demonstrate to electric power company customer directly perceived, the commutation switch of being convenient for combines together with simulation commutation debug system, more can audio-visual abundant function and the defect of show control ware, and the work efficiency is improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (2)

1. A simulated commutation debugging system for three-phase imbalance applications, the system comprising:

a controller and a switching communication board;

the controller and the switching communication board are communicated through an LORA module;

the LORA module interface connection structure on the transit communication board is as follows:

the 1 st pin and the 2 nd pin of the J20 are connected with a 12V power supply, and the 2 nd pin is also connected with capacitors C1 and C2; pins 3 and 4 are grounded; the 6 th pin is connected with a resistor R42 and a resistor R9, and the other end of R42 is connected with a signal end of MCU _ RXD1 of the controller; the 7 th pin is connected with the HOST _ TXD1 signal end; the 8 th pin is connected with a PLC _ SET _1 signal end and a resistor R39; the 9 th pin is connected with a PLC _ STA _1 signal end and a resistor R36; the 10 th pin is connected with a PLC _ RST _1 and a resistor R41; the 12 th pin is connected with a PLC _ EVENT _1 signal end and a resistor R37; the resistors R9, R36, R39, R41 and R37 are all connected with 3.3V voltage;

and the switching communication board is communicated with the commutation switch simulation debugging software through a 485-to-232 connecting line or an Ethernet line.

2. The system according to claim 1, wherein the controller is a programmable logic controller.

Images