A monitoring system for high and low voltage ride-through testing

Abstract

This utility model discloses a monitoring system for high and low voltage ride-through testing, including a test container, capacitors, reactors, and units for capacitor monitoring, reactor monitoring, live monitoring, trip protection, locking protection, monitoring, and data receiving. The capacitor and reactor test container is located inside the test container. The capacitor monitoring unit and reactor monitoring unit are respectively located on the capacitor and reactor. The trip protection unit controls whether the capacitor and reactor are energized. The live monitoring unit is connected to the capacitor and reactor. The locking protection unit is located on the door of the test container and receives signals from the live monitoring unit. The monitoring unit is located inside the test container, and the data receiving unit is located outside the test container. The monitoring unit is connected to the data receiving unit. This monitoring system for high and low voltage ride-through testing, through the cooperation of several protection units, greatly improves the safety of the testing process.

Description

Technical Field

[0001] This utility model belongs to the field of high and low voltage ride-through testing, and specifically relates to a monitoring system for high and low voltage ride-through testing. Background Technology

[0002] There are many problems that urgently need to be solved in the operation and management of high and low voltage ride-through testing equipment. Traditional solutions cannot monitor the operating status of the equipment in real time, making it difficult to detect potential faults in a timely manner, which can easily lead to equipment damage or even serious safety accidents. At the same time, when the equipment is energized, it usually relies solely on simple warning signs and physical isolation to prevent human error, lacking real-time energization monitoring and automatic protection measures.

[0003] In addition, traditional solutions often only issue alarms after obvious equipment failures occur, lacking real-time analysis and early warning functions for equipment operation status. This makes the prevention and handling of equipment failures insufficient and increases the risk of equipment damage and maintenance costs.

[0004] Therefore, the above problems urgently need to be solved. Utility Model Content

[0005] Purpose of the utility model: In order to overcome the above shortcomings, the purpose of this utility model is to provide a monitoring system for high and low voltage ride-through testing. The system detects capacitors and reactors through capacitor monitoring units and reactor monitoring units, and works in conjunction with trip protection units to ensure the normal operation of the equipment during the testing process and avoid production losses caused by unexpected situations. At the same time, the system uses a live monitoring unit in conjunction with a locking protection unit to ensure that the equipment cannot be opened when it is energized, thereby improving the safety of the testing process.

[0006] Technical Solution: To achieve the above objectives, this utility model provides a monitoring system for high and low voltage ride-through testing, including a test container, capacitors, reactors, a capacitor monitoring unit, a reactor monitoring unit, a live monitoring unit, a trip protection unit, a locking protection unit, a monitoring unit, and a data receiving unit. The capacitor and reactor test container is located inside the test container. The capacitor monitoring unit and reactor monitoring unit are respectively located on the capacitor and reactor, and both transmit signals to the trip protection unit. The trip protection unit controls whether the capacitor and reactor are energized based on the signals from the capacitor monitoring unit and reactor monitoring unit. The live monitoring unit is connected to the capacitor and reactor and is used to determine whether the capacitor and reactor are energized. The locking protection unit is located on the door of the test container. The locking protection unit receives signals from the live monitoring unit and controls whether the door of the test container is locked. The monitoring unit is located inside the test container. The data receiving unit is located outside the test container. The monitoring unit is connected to the data receiving unit and transmits information to the data receiving unit.

[0007] Furthermore, the trip protection unit automatically controls the energizing status of the capacitors and reactors based on signals from the capacitor monitoring unit and reactor monitoring unit, ensuring that the power supply is immediately cut off in case of abnormal conditions. The live monitoring unit monitors the energizing status of the capacitors and reactors in real time and transmits the signal to the locking protection unit, ensuring that the locking status of the container door is always consistent with the actual operating status of the equipment. The locking protection unit automatically controls the locking status of the test container door based on the signal from the live monitoring unit, ensuring that the equipment cannot be opened during operation. These units work together to provide reliable real-time monitoring and feedback, greatly improving management efficiency, reducing maintenance costs, and ensuring the long-term stable operation of the equipment.

[0008] Furthermore, the locking protection unit includes several electromagnetic locks; these electromagnetic locks are installed on the doors of the test container; the electromagnetic locks can only be opened when the energization monitoring unit detects that neither the capacitors nor the reactors are energized. By monitoring the energization status of the capacitors and reactors in real time through the energization monitoring unit, the electromagnetic locks will only unlock when the equipment is completely de-energized, thus avoiding electric shock accidents and equipment damage caused by misoperation.

[0009] Furthermore, the capacitor monitoring unit includes a controller; the controller is used to monitor the capacitor's voltage, current, capacitance value, current fluctuations, active current, and reactive current. The controller can monitor the capacitor's voltage, current, and other key electrical parameters in real time. Once an abnormality is detected, it can immediately transmit a signal to the trip protection unit, which will then cut off the power to prevent capacitor overload, overheating, or short circuit faults.

[0010] Furthermore, the data receiving unit includes an industrial control computer; the industrial control computer is used to receive signals from the monitoring unit and temperature signals from the reactor. The industrial control computer can process multiple different types of data simultaneously, providing one-stop data receiving and processing functions, simplifying the system architecture and reducing system complexity.

[0011] Furthermore, the reactor monitoring unit includes a temperature sensor; the temperature sensor is connected to the trip protection unit and the industrial control computer, and transmits the reactor's temperature signal. The temperature sensor can collect the reactor's temperature data in real time, and store and analyze it through the industrial control computer, helping to identify potential fault modes and enhancing system reliability.

[0012] Furthermore, the monitoring unit includes temperature and humidity sensors, smoke sensors, and monitoring probes to collect temperature and humidity conditions, smoke conditions, and video information inside the testing container. The monitoring unit integrates multiple sensors and monitoring devices, enabling simultaneous collection of temperature and humidity data, smoke concentration data, and video information. This allows for comprehensive environmental monitoring, allowing operators to simultaneously monitor various conditions inside the container, thus improving the convenience of monitoring.

[0013] Furthermore, the temperature and humidity conditions, smoke levels, and video information are transmitted to the industrial control computer via a communication network. By transmitting sensor data and video information to the industrial control computer in real time via the communication network, operators can view the temperature, humidity, smoke concentration, and video footage inside the container at any time, enabling them to promptly detect abnormalities and ensure the safety of the testing process.

[0014] As can be seen from the above technical solution, this utility model has the following beneficial effects:

[0015] 1. This utility model provides a monitoring system for high and low voltage ride-through testing. It detects capacitors and reactors through capacitor monitoring units and reactor monitoring units, and works in conjunction with a trip protection unit to ensure the normal operation of the equipment during the testing process and avoid production losses caused by unexpected situations.

[0016] 2. This utility model provides a monitoring system for high and low voltage ride-through testing. By using a live monitoring unit in conjunction with a locking protection unit, it ensures that the equipment cannot be opened when it is energized, thus preventing accidental touches or other misoperations from affecting the testing process.

[0017] 3. This utility model provides a monitoring system for high and low voltage ride-through testing, in which several protection units work together to greatly ensure the safety of the testing process. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of a monitoring system for high and low voltage ride-through testing according to the present invention. Detailed Implementation

[0019] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model. Example

[0020] In this embodiment, as Figure 1This utility model discloses a monitoring system for high and low voltage ride-through testing, including a test container, a capacitor, a reactor, a capacitor monitoring unit, a reactor monitoring unit, a live monitoring unit, a trip protection unit, a locking protection unit, a monitoring unit, and a data receiving unit. The capacitor and reactor test container is located inside the test container. The capacitor monitoring unit and reactor monitoring unit are respectively located on the capacitor and reactor, and both transmit signals to the trip protection unit. The trip protection unit controls whether the capacitor and reactor are energized based on the signals from the capacitor and reactor monitoring units. The live monitoring unit is connected to the capacitor and reactor and is used to determine whether the capacitor and reactor are energized. The locking protection unit is located on the door of the test container. The locking protection unit receives signals from the live monitoring unit and controls whether the door of the test container is locked. The monitoring unit is located inside the test container. The data receiving unit is located outside the test container. The monitoring unit is connected to the data receiving unit and transmits information to the data receiving unit.

[0021] Specifically, applying an electromagnetic shielding coating to the inside and outside of the test container is a preferred option to prevent external interference.

[0022] Specifically, single-phase air-core reactors are preferred for capacitors to effectively avoid the hazards of magnetic flux imbalance and electrodynamic shock caused by three-phase asymmetry. At the same time, the casting process is used to make the reactor a whole, which improves the insulation performance and mechanical and electrical strength of the reactor, making it suitable for mobile container environments.

[0023] Specifically, the capacitors are provided in several units, with 30 capacitors being preferred, 10 per phase; the capacitors are equipped with single-pole switches, and power adjustment is achieved through parallel connection; the capacitors have built-in discharge resistors and fuses, and are equipped with damping resistors to reduce the impact when the capacitors are connected.

[0024] In particular, warning lights and sounds can be used to alert the operator when capacitors and reactors are being tested; and external cameras can be added to monitor the surrounding environment to improve safety.

[0025] In this embodiment, as Figure 1 The locking protection unit includes several electromagnetic locks; the electromagnetic locks are installed on the door of the test container; the electromagnetic locks can only be opened when the energized monitoring unit detects that the capacitor and reactor are not energized.

[0026] In particular, if the test container door is forcibly opened while the capacitors and reactors are energized, a trip protection unit can be set up as an option to stop the power supply to the capacitors and reactors, cut off the external power supply, and further ensure test safety.

[0027] In this embodiment, as Figure 1 The capacitor monitoring unit includes a controller; the controller is used to monitor the capacitor's voltage, current, capacitance value, current fluctuations, active current, and reactive current.

[0028] Specifically, when the capacitor voltage or current exceeds or falls below a threshold, the controller will issue a trip or alarm signal; the controller calculates the capacitor's capacitance value in real time, and when the difference between the calculated capacitance value and the capacitance value set on the panel exceeds a certain range, the controller issues a trip or alarm signal; to quickly determine capacitor faults, the controller uses a current mutation criterion, and when the current mutation rate exceeds a threshold, the controller issues an alarm signal; the controller compares and judges active current and reactive current in real time, and when the ratio and rate of change of the two meet the criterion requirements, the controller issues an alarm signal.

[0029] In this embodiment, as Figure 1 The data receiving unit includes an industrial control computer; the industrial control computer is used to receive signals from the monitoring unit and temperature signals from the reactor.

[0030] Specifically, industrial Ethernet switches can be used to connect the monitoring unit and the industrial control computer to ensure the stability and high speed of the communication network.

[0031] In this embodiment, as Figure 1 The reactor monitoring unit includes a temperature sensor; the temperature sensor is connected to the trip protection unit and the industrial control computer, and transmits the temperature signal of the reactor.

[0032] Specifically, during reactor operation and testing, the reactor's temperature changes with variations in current and ambient temperature. When a reactor malfunctions or experiences an abnormality, the temperature in the fault area rises. When the temperature is abnormal, the reactor monitoring unit alarms and stops the reactor from operating via the trip protection unit until the fault is cleared.

[0033] In this embodiment, as Figure 1 The monitoring unit includes a temperature and humidity sensor, a smoke sensor, and a monitoring probe, used to collect temperature and humidity conditions, smoke conditions, and video information inside the test container.

[0034] In particular, temperature and humidity sensors, smoke sensors, and monitoring probes monitor the equipment's operating status in real time, and can be linked with the trip protection unit as an option to trip in time in case of problems, ensuring that no accidents occur during testing.

[0035] In this embodiment, the temperature and humidity conditions, smoke conditions, and video information are transmitted to the industrial control computer via a communication network.

[0036] Specifically, sensor data and video information can be transmitted to an industrial computer via protocols such as Modbus RTU or Modbus TCP. The industrial computer acts as a monitoring center, receiving and processing data from sensors and monitoring equipment to achieve centralized management and control.

[0037] The working principle of the above embodiments is as follows:

[0038] This utility model discloses a monitoring system for high and low voltage ride-through testing. During the high and low voltage ride-through test, the capacitor monitoring unit and the reactor monitoring unit monitor the status of the capacitor and reactor in real time; the monitoring unit monitors the environment inside the test container in real time and transmits data to the data receiving unit, facilitating manual intervention for control; during the monitoring process of the capacitor monitoring unit and the reactor monitoring unit, if any unit detects an abnormality, the trip protection unit immediately controls the power cut-off; the locking protection unit ensures that the equipment cannot be opened under single-point conditions, ensuring the safety of the test environment from external factors.

[0039] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements can be made without departing from the principle of the present utility model, and these improvements should also be considered within the protection scope of the present utility model.

Claims

1. A monitoring system for high and low voltage ride-through testing, characterized in that: include: Test container, capacitor, and reactor, wherein the capacitor and reactor test container is located inside the test container; Capacitor monitoring unit, reactor monitoring unit, live monitoring unit, trip protection unit, lockout protection unit, monitoring unit, and data receiving unit; The capacitor monitoring unit and the reactor monitoring unit are respectively installed on the capacitor and the reactor, and both transmit signals to the trip protection unit. The trip protection unit controls whether the capacitor and reactor are energized based on the signals from the capacitor monitoring unit and the reactor monitoring unit. The energized monitoring unit is connected to the capacitor and reactor and is used to determine whether the capacitor and reactor are energized. The locking protection unit is located on the door of the test container; the locking protection unit receives the signal from the live monitoring unit and controls whether the door of the test container is locked. The monitoring unit is located inside the test container; the data receiving unit is located outside the test container; the monitoring unit is connected to the data receiving unit and transmits information to the data receiving unit.

2. The monitoring system for high and low voltage ride-through testing according to claim 1, characterized in that: The locking protection unit includes several electromagnetic locks; the electromagnetic locks are installed on the door of the test container; the electromagnetic locks can only be opened when the energized monitoring unit detects that the capacitor and reactor are not energized.

3. The monitoring system for high and low voltage ride-through testing according to claim 1, characterized in that: The capacitor monitoring unit includes a controller; the controller is used to monitor the capacitor's voltage, current, capacitance value, current fluctuations, active current, and reactive current.

4. The monitoring system for high and low voltage ride-through testing according to claim 1, characterized in that: The data receiving unit includes an industrial control computer; the industrial control computer is used to receive signals from the monitoring unit and temperature signals from the reactor.

5. The monitoring system for high and low voltage ride-through testing according to claim 4, characterized in that: The reactor monitoring unit includes a temperature sensor; the temperature sensor is connected to the trip protection unit and the industrial control computer, and transmits the temperature signal of the reactor.

6. The monitoring system for high and low voltage ride-through testing according to claim 4, characterized in that: The monitoring unit includes a temperature and humidity sensor, a smoke sensor, and a monitoring probe, used to collect information on temperature and humidity, smoke conditions, and video data inside the test container.

7. The monitoring system for high and low voltage ride-through testing according to claim 6, characterized in that: The temperature and humidity conditions, smoke conditions, and video information are transmitted to the industrial control computer via a communication network.

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