Monitoring and control system structure - Arc protection - Bay control and measurement - Motor protection - Transformer protection - 2 winding - Busbar differential protection (low impedance) - Feeder protection - Voltage regulation - Busbar protection (voltage and frequency) - Capacitor bank protection - Interconnection protection - Power management/Load shedding - Back-up protection - Engineering Manual - SSC600 Smart substation control and protection - 1.5 - IEC - ANSI - 20.06.2023

SSC600 and SSC600 SW Engineering Manual

The monitoring and control system for electrical substations contains a number of IEDs for various purposes.

Note: The maximum size of a project is 180 IEDs. 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.
Figure 1. Principle structure of a monitoring and control system for a substation
B a y l e v e l S t a t i o n l e v e l S t a t i o n C o mm u n i c a t i o n S t a t i o n b u s b a y I ED 1 b a y I ED 2 b a y I E D n - 1 b a y I E D n N C C - G W P C M 60 0 H S I (station-IED1) (station-IED2) (station-IED3) SSC600 (tool set)

The monitoring and control system can be divided into three main parts.

  • Bay level IEDs
  • Station communication
  • Station level IEDs

All three parts require specific engineering and configuration.

A plant structure is used to identify each IED 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 IEDs 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 IED identification.

  • Project
  • Substation = name of the substation
  • Voltage level = identifies to which grid type or part the IED 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 IED and two protection IEDs

Normally SSC600 should be inserted to station level, as an station level device.