Trip/Close Tests for the Configured Operating Devices
Control by Local Command
If the configured operating devices were not switched sufficiently in the hardware test already described, all
configured switching devices must be switched on and off from the device via the integrated control element.
The feedback information of the circuit breaker position injected via binary inputs is read out at the device and
compared with the actual breaker position. For devices with graphic display this is easy to do with the control
display.
The switching procedure is described in the SIPROTEC 4 System Description. The switching authority must be
set in correspondence with the source of commands used. With the switching mode, you can choose between
locked and unlocked switching. In this case, you must be aware that unlocked switching is a safety risk.
Switching from a Remote Control Centre
If the device is connected to a control centre via a system interface, the corresponding switching tests may
also be checked from the control centre. Please also take into consideration that the switching authority is set
in accordance with the source of commands used.
Commissioning Check
Factory Setting
When the protection device is delivered from the factory, all protective functions have been switched off. This
has the advantage that each function can be separately tested without being influenced by other functions.
The required functions must be activated for testing and commissioning.
Commissioning Tool using a WEB Browser
The 7VE61 and 7VE63 features a Web-based commissioning tool to assist during commissioning, and to
perform routine tests. With this tool all indications and measured values can be easily read out. For testing
purposes vector diagrams and selected characteristics can be visualized.
If you want to use the “IBS-Tool”, please refer to the help files to “IBS-Tool”.
The IP address required for the browser depends on the port used for connecting the PC:
•
Connection to the front operator interface:
IP-Adresse 192.168.1.1 (Standard Setting)
•
Connection to the rear service interface (port C):
IP-Adresse 192.168.2.1 (Standard Setting)
•
Connection via EN100:
IP-address according to setting
Checking the Control and Measured Voltages Circuits
General
The voltage circuits are checked to ensure the correct cabling, polarity, phase sequence, transformer ratio etc.
of the voltage transformers - not to check individual protection functions of the device.
Earthing of the Voltage Transformers
When checking the voltage transformers, particular attention should be paid to the broken delta windings
because these windings may only be earthed in one phase.
Preparation
Set the overvoltage protection function to about 110 % of the rated generator voltage with trip on excitation.
Frequency protection (address 4201) to
Block relay
.
3.3.6
3.3.7
3.3.8
Mounting and Commissioning
3.3 Commissioning
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Summary of Contents for SIPROTEC 4 7VE61
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