Transformer high-voltage side live indicator

Alternative product names: Line self-powered warning light, high-voltage side live indicator for distribution transformers, high-voltage side live indicator for transformers, outdoor live display

When people walk under high-voltage lines, what is that flashing thing above their heads? Many people have this question when they see flashing devices suspended on high-voltage overhead lines outdoors. In fact, this seemingly inconspicuous "flashing small component" is the intelligent guardian that protects the safety of high-voltage lines and prevents external damage—the high-voltage side live indicator for transformers. With the continuous expansion of China's power grid, high-voltage overhead lines widely cover urban and rural areas, but transmission lines, especially in "three-crossing" sections, are prone to frequent external damage incidents such as construction machinery touching lines and illegal operation of cranes, which can easily lead to line tripping, equipment damage, and pose a threat to the safety of the public and operators. Traditional static warning signs have poor visibility in complex environments or at night, making it difficult to play a real-time warning role. The TLKS-PDI high-voltage side live indicator for transformers is an effective solution to this pain point. Its core values are mainly reflected in the following aspects:

I. Intuitive visual warning, building an active protection line

This device is equipped with high-brightness LED indicators, which can realize real-time visual warning of the live status of the line. It flashes automatically when there is current in the line, and can dynamically adjust the light intensity according to the current magnitude. The current magnitude can be roughly judged by the number of lit LEDs, allowing construction personnel and passers-by to quickly identify the live status and danger level. Its night flashing visible distance reaches more than 100 meters, effectively solving the problem of insufficient warning at night and in complex environments, and deterring and preventing external damage from the source.

II. Equipotential design, does not affect the normal operation of the line

The device adopts an equipotential design and can be directly suspended on the conductor. It operates independently at the same potential as the high-voltage line without affecting the normal power supply of the line, and there is no need to change the line structure and complex wiring. The main body is a fully sealed insulating structure, with internal components encapsulated in epoxy resin, which has high insulation strength, is suitable for lines of 10~220kV, has strong anti-electromagnetic interference and environmental tolerance, and can operate stably in complex power grid environments.

III. Lightweight, durable and easy to deploy, suitable for various outdoor scenarios

The device is lightweight, small in size, and easy to install. It does not require a professional team, making it suitable for rapid deployment in key areas such as "three-crossing" sections and construction-intensive areas. Its operating environment temperature ranges from -40℃ to 70℃, and it can resist various extreme weather. It does not require frequent maintenance, greatly reducing operation and maintenance costs, and is suitable for various high-voltage overhead lines in urban and rural areas.

IV. Stable and reliable, helping efficient operation and maintenance

Relying on the fully enclosed high-strength pressure-resistant design, the device has strong anti-interference ability, can work around the clock without manual attendance. Its hierarchical display function not only provides real-time warning, but also provides reference for operation and maintenance. Operation and maintenance personnel can initially judge the line current status through the LED flashing intensity and the number of lit lights, assist in investigating potential problems, and improve operation and maintenance efficiency.

V. Core technical parameters

1.Line voltage: 10~220kV

2.Light-up current: <3A

3.Night flashing visible distance: ≥100m

4.Weight: ≤500g

5.Device service life: >5 years

6.Operating environment temperature range: -40℃~70℃

VI. Guarding grid security, fulfilling protection responsibilities

Safety is the eternal theme of the power industry. The TLKS-PDI high-voltage side live indicator for transformers, with its simple and practical design and stable and reliable performance, builds an active and dynamic "visible" safety barrier for high-voltage overhead lines. It does not require complex operation and maintenance, can transmit safety signals around the clock, raise public safety awareness, prevent external damage, ensure the stable operation of the power grid and the safety of people's lives and property, and help improve the safety protection network for high-voltage lines, guarding the lights of thousands of households. This product is customizable. The quoted price is a reference price at the time of current market release. For the actual price, please contact us by phone. For more information, please contact Manager Li of Telcom Technology 1/8/8/2/0/4/7/9/2/3/1, WeChat and QQ are synchronized.