NB-IOT Module in Remote meter reading and Street light monitoring

IoT Gateway Application in Substaions

IoT Gateway can be widely applied in power demand side management, industrial energy management, building energy management, photovoltaic monitoring, power operation and maintenance systems, etc. It is a data hub between all intelligent equipment s and superior monitoring center.

Unattended/box-type substations

Unattended substations account for a considerable proportion in the power system. These stations are generally far away from the city, remote locations, inconvenient in transportation, and small in scale. It is impossible to send people to work all the year round. For this, local monitoring systems are not required, but monitoring of the stations by the dispatcher should be guaranteed. Due to the small scale and less access devices, acquisition can be completed by one iot gateway, which also forward to the schedule.

For many box-type substations, iot getaway configuration is particularly suitable, because they are generally unattended, and is provided by a complete set of manufacturers, with fewer access devices, fixed models, and relatively fixed modes. Communication can be done very stably. IoT gateway makes it become a complete system as a communication device.

Large and medium substation

Some substations may be large in scale, requiring several IoT gateway to complete data collection. Most of them have local monitoring machines, and some stations on duty have local monitoring systems. The forwarding of dispatch generally has only one data channel or two channels that are mutually standby. In this case, the SPCM cascade server can be used. Local monitoring can directly obtain data from SPC communication, and can also obtain data from SPCM cascade server, which is better than SPC communication, so that the data is more complete and faster, and is not affected by SPCM cascade server.

Enterprise transformer substation

The general characteristics of enterprise transformer substations are low voltage level, many equipments to be connected as protection equipment and instruments, and complicated types. It takes several or even dozens of IoT gateway to complete the acquisition. Usually there is only local monitoring system, no dispatch, mostly no forwarding or only a small amount of data to be forwarded to higher monitoring system by the local monitoring system or use SPCM cascade server.
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