Siemens SIPROTEC 6MD665, Manual

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2.2 Command processing
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6MD665 Manual
C53000-G1876-C103-3
2.2.2.2 Information
2.2.3 Control Authorization
For the control of switchgear there are several types of commands that have to be con-
sidered.
Usecases Operation of circuit breakers, disconnectors and ground electrodes
Raising and lowering transformer LTCs
Control of Petersen coils
Manually overriding/updating information of process-dependent objects
Establishing internal settings
Setting and resetting internal buffers or data stocks
Adding/removing additional information
Requirements For more information see SIPROTEC
®
system description
2.2.3.1 Description
Commands to the system
These are all commands that are directly output to the switchgear to change their
process state:
• Switching commands for the control of circuit breakers (unsynchronised), discon-
nectors and ground electrodes,
• Step commands, e.g. raising and lowering transformer LTCs
• Setpoint commands with configurable time settings, e.g. to control Petersen coils
No. Message Type of Information Description
- Q0 BR_D2 circuit breaker Q0
- Q0 DM circuit breaker Q0
- Q1 BR_D2 bus disconnector Q1
- Q1 DM bus disconnector Q1
- Q2 BR_D2 bus disconnector Q2
- Q2 DM bus disconnector Q2
- Q8 BR_D2 earthing isolator Q8
- Q8 DM earthing isolator Q8
- Q9 BR_D2 feeder disconnector Q9
- Q9 DM feeder disconnector Q9
- ReleaseQ0 IE Release circuit breaker Q0
- ReleaseQ1 IE Release bus disconnector Q1
- ReleaseQ2 IE Release bus disconnector Q2
- ReleaseQ8 IE Release earthing isolator Q8
- ReleaseQ9 IE Release feeder disconnector Q9