Power distribution equipment control logic intelligent test system
By designing an intelligent testing system for control logic of distribution equipment, using a variety of signal detection modules and gear adjustment units, comprehensive monitoring and automatic adjustment of the distribution circuit system is achieved, which solves the problem that existing systems cannot effectively verify complex control logic, improves the degree of intelligence and avoids equipment damage.
Patent Information
- Application Number
- CN202411717758.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-27
- Publication Date
- 2025-03-11
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing power distribution equipment control system cannot effectively verify complex control logic such as automatic voltage regulation, overlimit protection, fault tripping, power outage protection and automatic bypass, resulting in low intelligence.
An intelligent testing system for control logic of power distribution equipment is designed, including a testing system and a control system. Data acquisition and monitoring is carried out through the current detection module, voltage detection module, light gas signal detection module, heavy gas signal detection module, pressure signal detection module and temperature signal detection module, and automatic adjustment and control logic verification is realized through the gear adjustment unit and the control unit.
The comprehensive monitoring and automatic adjustment of the transmission and distribution circuit system has been realized, and the functions of automatic voltage regulation, overlimit protection, fault tripping, power outage protection and automatic bypass have been verified, which has improved the intelligence of the test system and avoided equipment damage caused by logic errors.
Smart Images
Figure CN119596902A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of testing systems, and in particular to an intelligent testing system for control logic of power distribution equipment. Background Art
[0002] Distribution equipment Distribution equipment (Electrical Equipment) is a general term for high-voltage distribution cabinets, generators, transformers, power lines, circuit breakers, low-voltage switch cabinets, distribution boards, switch boxes, control boxes and other equipment in the power system. The operating status of the distribution equipment will directly affect the normal operation of the power supply equipment. Therefore, it is very important to monitor the working conditions of the distribution equipment and quickly handle its faulty equipment in a timely manner. Once the power equipment fails, if the circuit is not cut off in time, the consequences will be very serious. Therefore, when the distribution equipment control system is put into use, it is necessary to use a smart test system to test the distribution equipment.
[0003] The intelligent test bench is compatible with medium and low voltage intelligent power distribution equipment, such as the test and experiment of voltage quality management control devices; it adopts centralized control to realize intelligent and automated testing; it adopts a highly integrated integrated design to meet the testing and verification of different power quality management equipment; the intelligent test bench is movable to meet the needs of indoor and outdoor testing. Taking the medium voltage series voltage regulator with the most complex control logic as an example, it has complex working conditions such as adaptive feeder distribution automation logic, load reverse supply under interconnection line conditions, and load reversal fluctuation of new energy feeder. Considering that the voltage regulator set consists of the voltage regulator body and the control part, in order to verify the control logic of the voltage regulator, a control logic intelligent test bench is added. The test bench supports the testing of high and low voltage line series voltage regulators, but the existing equipment cannot complete the verification of automatic voltage regulation, over-limit protection, fault tripping, power-off protection, automatic bypass and other operations, and the degree of intelligence is not high. Summary of the invention
[0004] In view of the deficiencies in the prior art, the present invention provides an intelligent test system for control logic of power distribution equipment, which realizes intelligent testing through data acquisition, voltage regulation and opening and closing of the transmission and distribution circuit system.
[0005] In order to achieve the above-mentioned purpose of intelligent testing, the present invention provides the following technical solutions: an intelligent testing system for control logic of power distribution equipment, comprising a testing system and a control system, wherein the control system is electrically connected to the testing system; The test system includes a detection unit, an alarm detection module and a central processing unit, wherein the detection unit is used to detect the voltage and current of the control system, and the alarm detection module is used to collect data from the control system; The control system includes an electrical device and a gear adjustment unit and a control unit. The gear adjustment unit is used to adjust the voltage of the electrical device, and the control unit is used to control the opening and closing of the electrical switch of the electrical device.
[0006] Preferably, the detection unit includes a current detection module and a voltage detection module, the current detection module is connected to the transmission and distribution circuit system for detecting the current of the transmission and distribution circuit system, and the voltage detection module is connected to the transmission and distribution circuit system for detecting the voltage of the transmission and distribution circuit system.
[0007] Preferably, the alarm detection module includes a light gas signal detection module, a heavy gas signal detection module, a pressure signal detection module and a temperature signal detection module, and the light gas signal detection module, heavy gas signal detection module, pressure signal detection module and temperature signal detection module are respectively used to detect the light gas signal, heavy gas signal, pressure release signal and temperature signal of the voltage regulator.
[0008] Preferably, the gear adjustment unit includes a step-up transformer and a step-down transformer. The step-up transformer is used to control the voltage regulator on-load switch to perform up-shift adjustment when the voltage quality is low, and the step-down transformer is used to control the voltage regulator on-load switch to perform down-shift adjustment when the voltage quality is high.
[0009] Preferably, the control unit comprises a front circuit breaker and a bypass circuit breaker, and the front circuit breaker and the bypass circuit breaker are used for opening or closing the transmission and distribution circuit system.
[0010] Preferably, the central processing unit is connected to a display, the display is an LED display screen, and the display is used to display the operating status of the test system.
[0011] Preferably, the test system further comprises a communication module and a remote control terminal, and the remote control terminal is communicatively connected to the central processing unit via the communication module for realizing remote control.
[0012] Preferably, the communication module includes a wireless communication module and a wired communication module, and the wireless communication module supports WIFI / 5G / 4G / 3G / Bluetooth communication.
[0013] Compared with the prior art, the present invention provides a control logic intelligent test system for power distribution equipment, which has the following beneficial effects: This kind of distribution equipment control logic intelligent test system, through the setting of the test system and the control system, the current detection module and the voltage detection module can detect the current and voltage of the transmission and distribution circuit system, and at the same time the light gas signal detection module, the heavy gas signal detection module, the pressure signal detection module and the temperature signal detection module are respectively used to detect the light gas signal, heavy gas signal, pressure release signal and temperature signal of the voltage regulator, so as to realize the monitoring of the entire transmission and distribution circuit system. When testing, the voltage regulator on-load switch can be controlled by the step-up transformer to perform up-shift adjustment and the voltage regulator on-load switch can be controlled by the step-down transformer to perform down-shift adjustment, so as to realize automatic adjustment to a 1:1 gear. In summary, the present invention adopts a low-voltage mode to match the strain ratio PT and CT to verify the functions of automatic voltage regulation, over-limit protection, fault tripping, power-off protection, automatic bypass and the like, so as to avoid the burning of equipment due to logic errors in the test. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a principle block diagram of the system of the present invention; Figure 2 It is a system schematic diagram of the alarm detection module of the present invention; Figure 3 Schematic diagram of the testing method of the present invention.
[0015] In the figure: 10, test system; 11, detection unit; 111, current detection module; 112, voltage detection module; 12, alarm detection module; 121, light gas signal detection module; 122, heavy gas signal detection module; 123, pressure signal detection module; 124, temperature signal detection module; 13, central processing unit; 14, display; 20. Control system; 21. Gear adjustment unit; 211. Step-up transformer; 212. Step-down transformer; 22. Control unit; 221. Pre-circuit breaker; 222. Bypass circuit breaker. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example
[0017] See also Figure 1-3 , the present invention provides a technical solution: an intelligent test system for control logic of power distribution equipment, including a test system 10 and a control system 20, the control system 20 and the test system 10 are electrically connected; The test system 10 includes a detection unit 11, an alarm detection module 12 and a central processor 13. The detection unit 11 is used to detect the voltage and current of the control system 20, the alarm detection module 12 is used to collect data of the control system 20, and the central processor 13 can realize overall regulation; The control system 20 includes the electrical equipment and also includes a gear adjustment unit 21 and a control unit 22. The gear adjustment unit 21 is used to adjust the voltage of the electrical equipment, and the control unit 22 is used to control the opening and closing of the switch of the electrical equipment.
[0018] By adopting the present invention, through the setting of the test system 10 and the control system 20, the current detection module 111 and the voltage detection module 112 can detect the current and voltage of the transmission and distribution circuit system. At the same time, the light gas signal detection module 121, the heavy gas signal detection module 122, the pressure signal detection module 123 and the temperature signal detection module 123 are respectively used to detect the light gas signal, heavy gas signal, pressure release signal and temperature signal of the voltage regulator, so as to realize the monitoring of the entire transmission and distribution circuit system. When testing, the voltage regulator on-load switch can be controlled by the step-up transformer 211 to perform up-shift adjustment and the voltage regulator on-load switch can be controlled by the step-down transformer 212 to perform down-shift adjustment, so as to realize automatic adjustment to a 1:1 gear position.
[0019] The detection unit 11 includes a current detection module 111 and a voltage detection module 112. The current detection module 111 is connected to the transmission and distribution circuit system for detecting the current of the transmission and distribution circuit system, and the voltage detection module 112 is connected to the transmission and distribution circuit system for detecting the voltage of the transmission and distribution circuit system.
[0020] Example 2
[0021] See also Figure 1-3 , the present invention provides a technical solution: an intelligent test system for control logic of power distribution equipment, including a test system 10 and a control system 20, the control system 20 and the test system 10 are electrically connected; The test system 10 includes a detection unit 11, an alarm detection module 12 and a central processor 13. The detection unit 11 is used to detect the voltage and current of the control system 20, the alarm detection module 12 is used to collect data of the control system 20, and the central processor 13 can realize overall regulation; The control system 20 includes the electrical equipment and also includes a gear adjustment unit 21 and a control unit 22. The gear adjustment unit 21 is used to adjust the voltage of the electrical equipment, and the control unit 22 is used to control the opening and closing of the switch of the electrical equipment.
[0022] By adopting the present invention, through the setting of the test system 10 and the control system 20, the current detection module 111 and the voltage detection module 112 can detect the current and voltage of the transmission and distribution circuit system. At the same time, the light gas signal detection module 121, the heavy gas signal detection module 122, the pressure signal detection module 123 and the temperature signal detection module 123 are respectively used to detect the light gas signal, heavy gas signal, pressure release signal and temperature signal of the voltage regulator, so as to realize the monitoring of the entire transmission and distribution circuit system. When testing, the voltage regulator on-load switch can be controlled by the step-up transformer 211 to perform up-shift adjustment and the voltage regulator on-load switch can be controlled by the step-down transformer 212 to perform down-shift adjustment, so as to realize automatic adjustment to a 1:1 gear position.
[0023] The detection unit 11 includes a current detection module 111 and a voltage detection module 112. The current detection module 111 is connected to the transmission and distribution circuit system for detecting the current of the transmission and distribution circuit system, and the voltage detection module 112 is connected to the transmission and distribution circuit system for detecting the voltage of the transmission and distribution circuit system.
[0024] Compared with Example 1, on the basis of Example 1, in Example 2: The alarm detection module 12 includes a light gas signal detection module 121, a heavy gas signal detection module 122, a pressure signal detection module 123 and a temperature signal detection module 124. The light gas signal detection module 121, the heavy gas signal detection module 122, the pressure signal detection module 123 and the temperature signal detection module 124 are respectively used to detect the light gas signal, heavy gas signal, pressure release signal and temperature signal of the voltage regulator.
[0025] In summary, this kind of intelligent test system for the control logic of power distribution equipment can collect data through the detection unit 11 and the alarm detection module 12 when in use, collect relevant data such as current and voltage, and control the gear adjustment of the voltage regulator through the gear adjustment unit 21 to perform forward and reverse voltage regulation. The forward regulation logic is that the power transmission direction is forward. When the voltage quality is verified to be low, the voltage regulator on-load switch is controlled to perform up-shift regulation, and the voltage is adjusted to the specification GB / T12325-2003 "Allowable Deviation of Power Quality Power Supply Voltage": The allowable deviation of the three-phase power supply voltage of 10kV and below is within the range of ±7% of the rated voltage. When the voltage rises, downshift regulation is performed. The reverse regulation logic is that the power transmission direction is reverse. When the voltage quality is low, the voltage regulator is controlled to perform downshift regulation to increase the voltage to the range specified in the regulations. The alarm detection module 12 test is mainly based on the light gas signal, heavy gas signal, pressure release signal, and temperature signal of the voltage regulator to output alarms. The test bench focuses on testing and verifying the power-off protection to protect the safe operation of the power grid. When the input power is cut off, the front circuit breaker 221 should trip. Failure to trip or the protection does not work indicates that the test has failed. When the input power is cut off, the bypass circuit breaker 222 should be closed, and the voltage regulator automatically adjusts to the 1:1 gear to prevent the electrical equipment from being burned due to excessive voltage. At this time, the front circuit breaker 221 is re-closed and energized, and the bypass circuit breaker 222 is opened. In summary, the present invention adopts a low-voltage mode to match the strain ratio PT and CT to verify functions such as automatic voltage regulation, over-limit protection, fault tripping, power-off protection, and automatic bypass, which can avoid logical errors in the test from burning equipment.
[0026] Example 3
[0027] See also Figure 1-3 , the present invention provides a technical solution: an intelligent test system for control logic of power distribution equipment, including a test system 10 and a control system 20, the control system 20 and the test system 10 are electrically connected; The test system 10 includes a detection unit 11, an alarm detection module 12 and a central processor 13. The detection unit 11 is used to detect the voltage and current of the control system 20, the alarm detection module 12 is used to collect data of the control system 20, and the central processor 13 can realize overall regulation; The control system 20 includes the electrical equipment and also includes a gear adjustment unit 21 and a control unit 22. The gear adjustment unit 21 is used to adjust the voltage of the electrical equipment, and the control unit 22 is used to control the opening and closing of the switch of the electrical equipment.
[0028] By adopting the present invention, through the setting of the test system 10 and the control system 20, the current detection module 111 and the voltage detection module 112 can detect the current and voltage of the transmission and distribution circuit system. At the same time, the light gas signal detection module 121, the heavy gas signal detection module 122, the pressure signal detection module 123 and the temperature signal detection module 123 are respectively used to detect the light gas signal, heavy gas signal, pressure release signal and temperature signal of the voltage regulator, so as to realize the monitoring of the entire transmission and distribution circuit system. When testing, the voltage regulator on-load switch can be controlled by the step-up transformer 211 to perform up-shift adjustment and the voltage regulator on-load switch can be controlled by the step-down transformer 212 to perform down-shift adjustment, so as to realize automatic adjustment to a 1:1 gear position.
[0029] The detection unit 11 includes a current detection module 111 and a voltage detection module 112. The current detection module 111 is connected to the transmission and distribution circuit system for detecting the current of the transmission and distribution circuit system, and the voltage detection module 112 is connected to the transmission and distribution circuit system for detecting the voltage of the transmission and distribution circuit system.
[0030] The alarm detection module 12 includes a light gas signal detection module 121, a heavy gas signal detection module 122, a pressure signal detection module 123 and a temperature signal detection module 124. The light gas signal detection module 121, the heavy gas signal detection module 122, the pressure signal detection module 123 and the temperature signal detection module 124 are respectively used to detect the light gas signal, heavy gas signal, pressure release signal and temperature signal of the voltage regulator.
[0031] In summary, this kind of intelligent test system for the control logic of power distribution equipment can collect data through the detection unit 11 and the alarm detection module 12 when in use, collect relevant data such as current and voltage, and control the gear adjustment of the voltage regulator through the gear adjustment unit 21 to perform forward and reverse voltage regulation. The forward regulation logic is that the power transmission direction is forward. When the voltage quality is verified to be low, the voltage regulator on-load switch is controlled to perform up-shift regulation, and the voltage is adjusted to the specification GB / T12325-2003 "Allowable Deviation of Power Quality Power Supply Voltage": The allowable deviation of the three-phase power supply voltage of 10kV and below is within the range of ±7% of the rated voltage. When the voltage rises, downshift regulation is performed. The reverse regulation logic is that the power transmission direction is reverse. When the voltage quality is low, the voltage regulator is controlled to perform downshift regulation to increase the voltage to the range specified in the regulations. The alarm detection module 12 test is mainly based on the light gas signal, heavy gas signal, pressure release signal, and temperature signal of the voltage regulator to output alarms. The test bench focuses on testing and verifying the power-off protection to protect the safe operation of the power grid. When the input power is cut off, the front circuit breaker 221 should trip. Failure to trip or the protection does not work indicates that the test has failed. When the input power is cut off, the bypass circuit breaker 222 should be closed, and the voltage regulator automatically adjusts to the 1:1 gear to prevent the electrical equipment from being burned due to excessive voltage. At this time, the front circuit breaker 221 is re-closed and energized, and the bypass circuit breaker 222 is opened. In summary, the present invention adopts a low-voltage mode to match the strain ratio PT and CT to verify functions such as automatic voltage regulation, over-limit protection, fault tripping, power-off protection, and automatic bypass, which can avoid logical errors in the test from burning equipment.
[0032] The gear adjustment unit 21 includes a step-up transformer 211 and a step-down transformer 212. The step-up transformer 211 is used to control the voltage regulator on-load switch to perform up-shift adjustment when the voltage quality is low, and the step-down transformer 212 is used to control the voltage regulator on-load switch to perform down-shift adjustment when the voltage quality is high.
[0033] Compared with Example 2, on the basis of Example 2, in Example 3, The gear adjustment unit 21 includes a step-up transformer 211 and a step-down transformer 212. The step-up transformer 211 is used to control the voltage regulator on-load switch to perform up-shift adjustment when the voltage quality is low, and the step-down transformer 212 is used to control the voltage regulator on-load switch to perform down-shift adjustment when the voltage quality is high.
[0034] Example 4
[0035] See also Figure 1-3 , the present invention provides a technical solution: an intelligent test system for control logic of power distribution equipment, including a test system 10 and a control system 20, the control system 20 and the test system 10 are electrically connected; The test system 10 includes a detection unit 11, an alarm detection module 12 and a central processor 13. The detection unit 11 is used to detect the voltage and current of the control system 20, the alarm detection module 12 is used to collect data of the control system 20, and the central processor 13 can realize overall regulation; The control system 20 includes the electrical equipment and also includes a gear adjustment unit 21 and a control unit 22. The gear adjustment unit 21 is used to adjust the voltage of the electrical equipment, and the control unit 22 is used to control the opening and closing of the switch of the electrical equipment.
[0036] By adopting the present invention, through the setting of the test system 10 and the control system 20, the current detection module 111 and the voltage detection module 112 can detect the current and voltage of the transmission and distribution circuit system. At the same time, the light gas signal detection module 121, the heavy gas signal detection module 122, the pressure signal detection module 123 and the temperature signal detection module 123 are respectively used to detect the light gas signal, heavy gas signal, pressure release signal and temperature signal of the voltage regulator, so as to realize the monitoring of the entire transmission and distribution circuit system. When testing, the voltage regulator on-load switch can be controlled by the step-up transformer 211 to perform up-shift adjustment and the voltage regulator on-load switch can be controlled by the step-down transformer 212 to perform down-shift adjustment, so as to realize automatic adjustment to a 1:1 gear position.
[0037] The detection unit 11 includes a current detection module 111 and a voltage detection module 112. The current detection module 111 is connected to the transmission and distribution circuit system for detecting the current of the transmission and distribution circuit system, and the voltage detection module 112 is connected to the transmission and distribution circuit system for detecting the voltage of the transmission and distribution circuit system.
[0038] The alarm detection module 12 includes a light gas signal detection module 121, a heavy gas signal detection module 122, a pressure signal detection module 123 and a temperature signal detection module 124. The light gas signal detection module 121, the heavy gas signal detection module 122, the pressure signal detection module 123 and the temperature signal detection module 124 are respectively used to detect the light gas signal, heavy gas signal, pressure release signal and temperature signal of the voltage regulator.
[0039] The gear adjustment unit 21 includes a step-up transformer 211 and a step-down transformer 212. The step-up transformer 211 is used to control the voltage regulator on-load switch to perform up-shift adjustment when the voltage quality is low, and the step-down transformer 212 is used to control the voltage regulator on-load switch to perform down-shift adjustment when the voltage quality is high.
[0040] Compared with Example 3, on the basis of Example 3, in Example 4, The gear adjustment unit 21 includes a step-up transformer 211 and a step-down transformer 212. The step-up transformer 211 is used to control the voltage regulator on-load switch to perform up-shift adjustment when the voltage quality is low, and the step-down transformer 212 is used to control the voltage regulator on-load switch to perform down-shift adjustment when the voltage quality is high.
[0041] The control unit 22 includes a front circuit breaker 221 and a bypass circuit breaker 222. The front circuit breaker 221 and the bypass circuit breaker 222 are used for opening or closing the transmission and distribution circuit system. The front circuit breaker 221 and the bypass circuit breaker 222 can be respectively connected to the transmission and distribution circuit system to perform staggered control of opening and closing the transmission and distribution circuit system.
[0042] Example 5
[0043] See also Figure 1-3 , the present invention provides a technical solution: an intelligent test system for control logic of power distribution equipment, including a test system 10 and a control system 20, the control system 20 and the test system 10 are electrically connected; The test system 10 includes a detection unit 11, an alarm detection module 12 and a central processor 13. The detection unit 11 is used to detect the voltage and current of the control system 20, the alarm detection module 12 is used to collect data of the control system 20, and the central processor 13 can realize overall regulation; The control system 20 includes the electrical equipment and also includes a gear adjustment unit 21 and a control unit 22. The gear adjustment unit 21 is used to adjust the voltage of the electrical equipment, and the control unit 22 is used to control the opening and closing of the switch of the electrical equipment.
[0044] By adopting the present invention, through the setting of the test system 10 and the control system 20, the current detection module 111 and the voltage detection module 112 can detect the current and voltage of the transmission and distribution circuit system. At the same time, the light gas signal detection module 121, the heavy gas signal detection module 122, the pressure signal detection module 123 and the temperature signal detection module 123 are respectively used to detect the light gas signal, heavy gas signal, pressure release signal and temperature signal of the voltage regulator, so as to realize the monitoring of the entire transmission and distribution circuit system. When testing, the voltage regulator on-load switch can be controlled by the step-up transformer 211 to perform up-shift adjustment and the voltage regulator on-load switch can be controlled by the step-down transformer 212 to perform down-shift adjustment, so as to realize automatic adjustment to a 1:1 gear position.
[0045] The detection unit 11 includes a current detection module 111 and a voltage detection module 112. The current detection module 111 is connected to the transmission and distribution circuit system for detecting the current of the transmission and distribution circuit system, and the voltage detection module 112 is connected to the transmission and distribution circuit system for detecting the voltage of the transmission and distribution circuit system.
[0046] The alarm detection module 12 includes a light gas signal detection module 121, a heavy gas signal detection module 122, a pressure signal detection module 123 and a temperature signal detection module 124. The light gas signal detection module 121, the heavy gas signal detection module 122, the pressure signal detection module 123 and the temperature signal detection module 124 are respectively used to detect the light gas signal, heavy gas signal, pressure release signal and temperature signal of the voltage regulator.
[0047] The gear adjustment unit 21 includes a step-up transformer 211 and a step-down transformer 212. The step-up transformer 211 is used to control the voltage regulator on-load switch to perform up-shift adjustment when the voltage quality is low, and the step-down transformer 212 is used to control the voltage regulator on-load switch to perform down-shift adjustment when the voltage quality is high.
[0048] The gear adjustment unit 21 includes a step-up transformer 211 and a step-down transformer 212. The step-up transformer 211 is used to control the voltage regulator on-load switch to perform up-shift adjustment when the voltage quality is low, and the step-down transformer 212 is used to control the voltage regulator on-load switch to perform down-shift adjustment when the voltage quality is high.
[0049] The control unit 22 includes a front circuit breaker 221 and a bypass circuit breaker 222. The front circuit breaker 221 and the bypass circuit breaker 222 are used for opening or closing the transmission and distribution circuit system. The front circuit breaker 221 and the bypass circuit breaker 222 can be respectively connected to the transmission and distribution circuit system to perform staggered control of opening and closing the transmission and distribution circuit system.
[0050] Compared with Example 4, on the basis of Example 4, in Example 5, The central processing unit 13 is connected to a display 14, which is an LED display screen, and is used to display the operating status of the test system 10. The test system 10 also includes a communication module and a remote control terminal. The remote control terminal is connected to the central processing unit 13 through the communication module for remote control. The communication module includes a wireless communication module and a wired communication module. The wireless communication module supports WIFI / 5G / 4G / 3G / Bluetooth communication. Remote control can be achieved through the wireless communication module and the wired communication module, which is convenient for operation. The display 14 can display data, which is convenient for personnel to observe and operate.
[0051] In summary, this kind of intelligent test system for the control logic of power distribution equipment can collect data through the detection unit 11 and the alarm detection module 12 when in use, collect relevant data such as current and voltage, and control the gear adjustment of the voltage regulator through the gear adjustment unit 21 to perform forward and reverse voltage regulation. The forward regulation logic is that the power transmission direction is forward. When the voltage quality is verified to be low, the voltage regulator on-load switch is controlled to perform up-shift regulation, and the voltage is adjusted to the specification GB / T12325-2003 "Allowable Deviation of Power Quality Power Supply Voltage": The allowable deviation of the three-phase power supply voltage of 10kV and below is within the range of ±7% of the rated voltage. When the voltage rises, downshift regulation is performed. The reverse regulation logic is that the power transmission direction is reverse. When the voltage quality is low, the voltage regulator is controlled to perform downshift regulation to increase the voltage to the range specified in the regulations. The alarm detection module 12 test is mainly based on the light gas signal, heavy gas signal, pressure release signal, and temperature signal of the voltage regulator to output alarms. The test bench focuses on testing and verifying the power-off protection to protect the safe operation of the power grid. When the input power is cut off, the front circuit breaker 221 should trip. Failure to trip or the protection does not work indicates that the test has failed. When the input power is cut off, the bypass circuit breaker 222 should be closed, and the voltage regulator automatically adjusts to the 1:1 gear to prevent the electrical equipment from being burned due to excessive voltage. At this time, the front circuit breaker 221 is re-closed and energized, and the bypass circuit breaker 222 is opened. In summary, the present invention adopts a low-voltage mode to match the strain ratio PT and CT to verify functions such as automatic voltage regulation, over-limit protection, fault tripping, power-off protection, and automatic bypass, which can avoid logical errors in the test from burning equipment.
[0052] The relevant modules involved in this system are all hardware system modules or functional modules that combine computer software programs or protocols with hardware in the prior art. The computer software programs or protocols involved in the functional modules are themselves technologies that are well known to those skilled in the art and are not improvements of this system. The improvements of this system are the interaction or connection relationships between the modules, that is, improvements to the overall structure of the system to solve the corresponding technical problems to be solved by this system.
[0053] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An intelligent test system for control logic of power distribution equipment, characterized in that: The invention comprises a test system (10) and a control system (20), wherein the control system (20) is electrically connected to the test system (10); the test system (10) comprises a detection unit (11), an alarm detection module (12) and a central processing unit (13); the detection unit (11) is used to detect the voltage and current of the control system (20); the alarm detection module (12) is used to collect data from the control system (20); the alarm detection module (12) comprises a light gas signal detection module (121), a heavy gas signal detection module (122), a pressure signal detection module (123) and a temperature signal detection module (124); the light gas signal detection module (121), the heavy gas signal detection module (122), the pressure signal detection module (123) and the temperature signal detection module (124) are used to detect the light gas signal, the heavy gas signal, the pressure release signal and the temperature signal of the voltage regulator, respectively.
2. The intelligent test system for control logic of power distribution equipment according to claim 1, characterized in that: The control system (20) includes an electrical device and a gear adjustment unit (21) and a control unit (22), wherein the gear adjustment unit (21) is used to adjust the voltage of the electrical device, and the control unit (22) is used to control the opening and closing of a switch of the electrical device.
3. The intelligent test system for control logic of power distribution equipment according to claim 2, characterized in that: The detection unit (11) comprises a current detection module (111) and a voltage detection module (112); the current detection module (111) is connected to the transmission and distribution circuit system for detecting the current of the transmission and distribution circuit system; the voltage detection module (112) is connected to the transmission and distribution circuit system for detecting the voltage of the transmission and distribution circuit system.
4. The intelligent test system for control logic of power distribution equipment according to claim 2, characterized in that: The gear adjustment unit (21) comprises a step-up transformer (211) and a step-down transformer (212); the step-up transformer (211) is used to control the on-load switch of the voltage regulator to perform step-up adjustment when the voltage quality is low, and the step-down transformer (212) is used to control the on-load switch of the voltage regulator to perform step-down adjustment when the voltage quality is high.
5. The intelligent test system for control logic of power distribution equipment according to claim 4, characterized in that: The control unit (22) comprises a front circuit breaker (221) and a bypass circuit breaker (222), wherein the front circuit breaker (221) and the bypass circuit breaker (222) are used for opening or closing the transmission and distribution circuit system.
6. The intelligent test system for control logic of power distribution equipment according to claim 1, characterized in that: The central processing unit (13) is connected to a display (14).
7. The intelligent test system for control logic of power distribution equipment according to claim 1, characterized in that: The display (14) is an LED display screen, and the display (14) is used to display the operating status of the test system (10).
8. The intelligent test system for control logic of power distribution equipment according to claim 1, characterized in that: The test system (10) further comprises a communication module and a remote control terminal, wherein the remote control terminal is connected to the central processing unit (13) via the communication module for remote control.
9. The intelligent test system for control logic of power distribution equipment according to claim 8, characterized in that: The communication module includes a wireless communication module and a wired communication module.
10. The intelligent test system for control logic of power distribution equipment according to claim 9, characterized in that: The wireless communication module supports WIFI / 5G / 4G / 3G / Bluetooth communication.