Commissioning
PRS-7367 327
10.2.2.6 Information Signs
Effective value and step of settings explanation: The protection setting supports as much
as 6 significant figures, of which the decimal point occupies one digit (the highest digit
cannot be a decimal point). The minimum setting step is 0.01.
10.3 Commission Tools
10.3.1 Instrumentation and Meters Notice:
Instruments, meters must pass the inspection, and within the validity of the inspection
instruments, meters should be accurate level higher than the seized equipment related
indicators 2 to 4 levels.
10.3.2 Tools Requirement:
Relay protection testing devices: Multifunctional dynamic current and voltage injection test set
with interval timer.
Regulative DC power: DC output can be adjustable within 0 ~ 240V.
Accuracy meter: support three-phase voltage, three-phase current output.
Tong-type ammeter
Multifunction phase meter
Multimeter
Megger
Laptop: with appropriate software
Network cable
Optical power meter
EIA RS-485 to EIA RS-232 converter
10.4 Commission Preparation
10.4.1 Basic Knowledge
When commissioning this device for the first time, sufficient time should be allowed to become
familiar with the manual to understand the basic operation, protection principles, and related basic
performance of the devices as much as possible. If find any doubt in the process, consult the
manufacturer's field service personnel or technical support staff of our company.
Alternatively, if a laptop is available together with suitable setting software (such as PRS IED
Studio software), the menu can be viewed one page at a time to display a full column of data and
text. This PC software also allows settings to be entered more easily, saved to a file on disk for
future reference or printed to produce a setting record. Refer to the PRS IED Studio Instruction
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