What is the purpose of online monitoring of on-load tap changers? Recording of the operation process, motor current, and tap position

• Online monitoring of on-load tap changers is used to record operation times, motor current, tap changes, and the number of operations.
• When selecting a project, consideration should be given to the recording of operational processes, waveform viewing, background storage, and ease of maintenance.
• In situations where on-load switches operate frequently, it is even more important to continuously record operation data.
• Once the motion data is imported into the backend, you can view the mechanism's operation process more clearly.

On-load tap changers are directly involved in regulating transformer voltage. By recording data on the operation process, the online monitoring system facilitates long-term management of the equipment’s mechanical condition.

1. What does online monitoring of on-load tap changers primarily record?

It primarily records operation duration, motor current, gear shifts, number of operations, and operational events.

1.1 What is the value of action time?

The operation time can indicate whether the mechanism's operation is stable.

1.2 Why is it important to examine the waveform of the motor current?

The waveform can show changes during the startup, operation, and shutdown phases.

2. What features should be considered when selecting an on-load switch?

Focus should be placed on waveform recording, gear position display, operation statistics, historical queries, and background integration.

2.1 What is the purpose of action statistics?

Activity statistics provide insight into how frequently devices are used, which helps with scheduling future maintenance.

2.2 Why is it important to save gear position records?

The gear position log records the status before and after an action, making it easier to look up later.

3. How do motion waveforms help with the project's long-term maintenance?

The motion waveform records each motion sequence, providing a basis for comparing states at a later stage.

3.1 How long should waveform recordings be retained?

Records should be retained in accordance with project management requirements, at a minimum to meet the needs of future inquiries and comparisons.

3.2 What is the relationship between the number of operations and maintenance?

The more actions you take, the more you need to focus on long-term changes in the organization.

4. How are on-load tap-changer data entered into the monitoring platform?

Once the operational data is uploaded to the platform, it can be managed together with other status data from the transformer. On-Load Tap Changer Condition Monitoring Device This allows relevant data to be entered into a centralized backend system, facilitating long-term viewing and maintenance.

4.1 What should be displayed on the admin page?

The display should show the operation time, motor current curve, gear position, number of operations, and recording time.

4.2 What is the value of event queries?

Event queries allow you to quickly locate a specific action.

5. What should be kept in mind when installing on-load switch monitoring equipment?

During installation, consider the space available in the control cabinet, signal connections, power supply, communications, and safety isolation.

5.1 Why is it important to check the space in the equipment cabinet in advance?

Insufficient space can affect installation and future maintenance.

5.2 What should be considered when connecting signals?

Signal input must be stable and clear, and must correspond to the backend fields.

6. For which projects is online monitoring of on-load switches suitable?

Suitable for projects involving main transformers, on-load switches with frequent operations, and those requiring long-term recording of the operation process.

6.1 What are the characteristics of projects with frequent operations?

Frequent operations generate more process data and require more long-term background management.

6.2 What value does long-term record-keeping provide?

Long-term tracking allows for comparisons of movement patterns across different time periods.

If you need to configure online monitoring systems for substations, transformers, GIS, switchgear, and other applications, please contact Yinnotongda for technical support. Service Hotline: 13959168359 (same number on WeChat).

Disclaimer: This article is intended solely for technical exchange and reference purposes and should not be used as a basis for on-site operations, equipment modifications, or operational safety assessments. Specific solutions and parameters should be determined based on on-site conditions and official technical documentation.