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Automation levels in power supply and distribution

Electrical energy is distributed or transformed in electrical switchgear, whereby loads/consumers are bundled in load groups. With the help of switching devices, network nodes implemented as busbars connect incoming and outgoing cables, the so-called feeders.

When such a substation is dimensioned, account must also taken of changes to the network topology in the event of faults, as well as the isolation and grounding of equipment for maintenance work.

SIMATIC PCSВ 7 PowerControl puts an end to the strict separation between process automation and the automation of the electrical switchgear for power generation for the process. With SIMATIC PCSВ 7 PowerControl, now enables you to integrate switchgear automation devices into the SIMATIC PCSВ 7 process control system by means of Ethernet TCP/IP communication using the IECВ 61850 transmission protocol, as well as via PROFIBUS DP.

The process automation and automation of electrical switchgear for medium-voltage in the range of 4 to 30В kV can therefore be combined in a single control system.

Intelligent electronic devices (IEDs) such as SIPROTEC protective devices or interoperable third-party devices are used for automating switchgears, that is, for protection, control, measuring and monitoring functions in electrical energy transmission and distribution.

Conventional process control system integration of protection devices on PROFIBUSВ DP is specified, in particular, for:

• Repeated use of an existing PROFIBUSВ DP infrastructure
• Partial modernization of existing plants
• Hybrid configurations comprising IECВ 61850 and PROFIBUSВ DP integration in plant expansions

Operator control and monitoring of the protection devices based on technology objects is uniform from the viewpoint of the operator, i.e. regardless of the integration via IECВ 61850 or PROFIBUSВ DP.

Note:

SIMATIC PCSВ 7 PowerControl V9.0 can be operated in combination with the OSВ Engineering software and OSВ Runtime software SIMATIC PCSВ 7 V9.0 as well as with SIMATIC PCSВ 7 TeleControl V9.0 (see section "Telecontrol") and SIMATIC PCSВ 7 OPENВ OS V9.0 (see section "Controller integration"). The SIMATIC PCSВ 7 software must be ordered from Catalog STВ PCSВ 7.