The monitoring and control system for electrical substations contains a number of devices for various purposes.
Note: The maximum size of a project is 180 devices. However, in order to maintain good performance and usability of the tool, it is recommended to divide one big project into multiple smaller PCM600 projects.
The monitoring and control system can be divided into three main parts.
- Bay level devices
- Station communication
- Station level devices
All three parts require specific engineering and configuration.
A plant structure is used to identify each device in its location within the substation organization. The plant structure is a logical image of the substation and the bays within the substation. The organization structure for the devices may differ from the structure of the primary equipment in the substation.
In PCM600 it is possible to set up a hierarchical structure of five levels for the device identification.
- Project
- Substation = name of the substation
- Voltage level = identifies to which grid type or part the device belongs in the substation
- Bay = bay within the voltage level
- IED = the selection of the IED that is used in the bay; it is possible to insert several IEDs within a bay, for example, one control device and two protection relays