Developing and trialling remote monitoring equipment into LV link boxes.
Link box failures are difficult to predict as there is no active monitoring on this type of plant. Risk is currently mitigated with a high frequency inspection policy. This project is developing a link box monitor to deploy on high risk link boxes, with temperature moisture and FPI capability.
The project will test prototypes and then install into link boxes remote monitoring equipment that can detect increases in temperature, moisture, current and voltage. The devices will remotely send a signal if there is any change. This will enable proactive response to investigate potential issues before a failure occurs. The detailed project activities are as follows:
In-situ monitoring of link boxes has not previously been conducted for a number of reasons, primarily because effective remote communications from link boxes has not been possible. This has been compounded by the harsh environments link boxes are installed in with a lack of auxiliary supply and extremely poor radio reception.
Communication with link boxes were demonstrated in previous projects (SULVN and FUN-LV). In these trials, there were a number of data communication issues. These included missing measurement data and incorrect current direction. We believe advances in technology and our learnings from these other projects will enable us to develop a solution with higher reliability.