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CN-224216836-U - Wireless debugging device for generator excitation system

CN224216836UCN 224216836 UCN224216836 UCN 224216836UCN-224216836-U

Abstract

The utility model relates to the technical field of excitation systems, in particular to a wireless debugging device for an excitation system of a generator, which comprises a testing unit arranged in a debugging cabinet, an input testing module, an output testing module and a power supply testing module, wherein the interface circuit is connected with an external interface of the excitation system, the input testing module is sequentially connected with the interface circuit and provided with a plurality of dial switches, the output testing module is provided with a plurality of prompters, the power supply testing module is provided with a plurality of power supply jacks, the connecting unit comprises a plurality of D-SUB connectors matched with the testing unit, each D-SUB connector is provided with a plurality of pins, and the interaction unit comprises an ESP32 module which is connected with the interface circuit and integrates wireless communication and an RS232 serial port module connected with an upper computer. According to the utility model, the test unit is connected with the excitation system through the connection unit, and the remote wireless communication and the connection with the upper computer are realized through the interaction unit, so that the remote wireless debugging effect is realized.

Inventors

  • SHI YIFENG
  • QIN HAO
  • LI YUQIU
  • WANG ZHIHUI
  • ZANG GANG
  • LIN YASHAN
  • DING GUODONG
  • YI FENG

Assignees

  • 南京南瑞继保工程技术有限公司
  • 哈尔滨电机厂有限责任公司
  • 国投吉能(舟山)燃气发电有限公司

Dates

Publication Date
20260508
Application Date
20250403

Claims (10)

  1. 1. A wireless debugging device for a generator excitation system is characterized by comprising a wireless debugging device arranged in a debugging cabinet, The test unit (100) comprises an interface circuit (101) connected with an external interface of the excitation system, an input test module (102) which is sequentially connected with the interface circuit (101) and provided with a plurality of dial switches, an output test module (103) with a plurality of prompters and a power supply test module (104) with a plurality of power supply jacks; A connection unit (200) comprising a plurality of D-SUB connectors adapted to said test unit (100), each of said D-SUB connectors having a plurality of pins, and The interaction unit (300) comprises an ESP32 module (301) which is connected with the interface circuit (101) and integrates wireless communication and an RS232 serial port module (302) which is connected with the upper computer.
  2. 2. The wireless commissioning apparatus for a generator excitation system of claim 1, wherein each pin of said D-SUB connector is connected to a dial switch of said input test module (102), a prompter of said output test module (103), and one of said power jacks of said power test module (104), respectively.
  3. 3. The wireless commissioning apparatus for a generator excitation system of claim 2, wherein: the interface circuit (101) comprises a three-phase voltage regulator (101 a) connected with the excitation system and a rectifier bridge (101 b); The power test module (104) inputs a power signal to the input test module (102) through the D-SUB connector, The power supply signal output by the input test module (102) is output to the rectifier bridge (101 b) after being regulated by the three-phase voltage regulator (101 a), and is output to the output test module (103) after being rectified into a direct current power supply by the rectifier bridge (101 b), The direct current power supply output by the output test module (103) is used for inputting a generator to be excited.
  4. 4. The wireless debugging device for the generator excitation system of claim 3, wherein the plurality of dial switches, the plurality of prompters and the plurality of power supply jacks are all provided with unique numbers.
  5. 5. The wireless debugging device for a generator excitation system of claim 4, wherein the RS232 serial port module (302) comprises a driving chip and two DB9 serial ports, The driving chip is connected with the interface circuit (101) through the input test module (102), The two DB9 serial ports are respectively connected to the generator excitation systems to realize the simultaneous debugging of the two sets of generator excitation systems.
  6. 6. The wireless debugging device for the generator excitation system of claim 5, wherein the ESP32 module (301) integrates Bluetooth and WiFi, and realizes data interaction with two sets of excitation systems in a wireless mode.
  7. 7. The wireless commissioning apparatus for a generator excitation system of claim 3, 5, or 6, wherein said test unit (100) further comprises a sampling measurement module (105), said sampling measurement module (105) using a relay protection tester connected to said interface circuit (101) through a D-SUB connector.
  8. 8. The wireless commissioning apparatus for a generator excitation system of claim 7, wherein said sampling measurement module (105) comprises, A DC sampling test loop (105 a) for input DC debugging, and And the low-current test loop (105 b) is used for low-voltage low-current input debugging.
  9. 9. The wireless debugging device for a generator excitation system of claim 8, wherein the direct current sampling test loop (105 a) is composed of a voltage transmitter, a voltage divider and a current divider which are sequentially connected.
  10. 10. The wireless commissioning apparatus for a generator excitation system of claim 8 or 9, wherein said low-current test loop (105 b) is comprised of at least said three-phase voltage regulator (101 a), said rectifier bridge (101 b), and a pulse triggering device.

Description

Wireless debugging device for generator excitation system Technical Field The utility model relates to the technical field of excitation systems, in particular to a wireless debugging device for a generator excitation system. Background The excitation system is an important component of the generator and is used for providing adjustable excitation current for the generator so as to meet the requirements of normal power generation of the generator and safe operation of a power system. Therefore, the excitation of the generator is regulated and controlled, so that the running reliability, safety and stability of the generator and the power system can be ensured, and the technical and economic indexes of the generator and the power system can be improved. And part of the power grid puts higher requirements on the excitation system of the small-capacity unit in the system due to the requirement on the higher stability level of the power grid. Generally, the excitation system shown in fig. 1 is composed of an adjusting cabinet, a rectifying cabinet, a de-excitation cabinet and the like, and before the generator excitation system is assembled and put into formal use, debugging is generally needed to confirm the initialization setting of each circuit and parameter, so that the excitation system is ensured to be correctly wired, and the generator excitation system is used after the function is complete. The debugging device is arranged in the debugging cabinet, and the upper computer wave recording analysis software is required to be connected with the excitation regulator in the debugging process of the excitation system so as to acquire the electric acquisition quantity in real time, thereby facilitating the analysis of debugging technical indexes and exception handling. In the prior art, the safety distance between a debugging person and the generator excitation system is difficult to maintain in the debugging process, so that the safety of the debugging person in the debugging process can be possibly damaged by high-voltage electricity, and the safety of a debugging environment is difficult to ensure. Disclosure of utility model Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model. In order to solve the defects in the prior art, the utility model aims to provide a wireless debugging device for a generator excitation system. In order to achieve the above object, the utility model adopts the following technical proposal that the wireless debugging device for the generator excitation system comprises a wireless debugging device arranged in a debugging cabinet, The test unit comprises an interface circuit connected with an external interface of the excitation system, an input test module, an output test module and a power supply test module, wherein the input test module is sequentially connected with the interface circuit and provided with a plurality of dial switches, the output test module is provided with a plurality of prompters, and the power supply test module is provided with a plurality of power supply jacks; A connection unit including a plurality of D-SUB connectors adapted to the test unit, each of the D-SUB connectors having a plurality of pins, and The interaction unit comprises an ESP32 module which is connected with the interface circuit and integrates wireless communication and an RS232 serial port module which is connected with the upper computer. As a preferable scheme of the wireless debugging device for the generator excitation system, each pin in the D-SUB connector is respectively connected with one dial switch of the input test module, one prompter of the output test module and one power jack of the power test module. As an optimal scheme of the wireless debugging device for the generator excitation system, the interface circuit comprises a three-phase voltage regulator connected with the excitation system and a rectifier bridge; the power test module inputs a power signal to the input test module through the D-SUB connector, The power signal output by the input test module is regulated by a three-phase voltage regulator and then output to a rectifier bridge, and is rectified into a direct current power supply by the rectifier bridge and then output to the output test module, And the direct current power supply output by the output test module is used for inputting a generator to be excited. As an optimal scheme of the wireless debugging device for the generator excitation system, the plurality of dial switches, the plurality of prompters and the plurality of power supply jacks are all provided with unique numbers. As an optimal scheme of the wireless debugging device for the generator excitation system, the utility model comprises an RS232 serial port module, a wireless debugging device and a wireless debugging device, wherein the R