13.07.2015 Views

MiCOM P921/P922/P923 - Schneider - error

MiCOM P921/P922/P923 - Schneider - error

MiCOM P921/P922/P923 - Schneider - error

SHOW MORE
SHOW LESS
  • No tags were found...

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

Getting StartedP92x/EN GS/F22<strong>MiCOM</strong> <strong>P921</strong>/<strong>P922</strong>/<strong>P923</strong> Page 15/2211.3 VT RatiosThe default ratios are equal to 1. If other ratios are required, please follow the instructionsbelow. From the default display, press once, once, once and press once toaccess the « VT RATIO » menu.Then, press once and the following prompt will appear :Main VT Primary110.0 VChange the setting by pressing either the key or the key. To validate the new value,press the enter key .Press once and the following prompt will appear (if the voltage input range is"57-130V") :Main VT Sec’y110.0 VIf the voltage input range is 220-480V, there is no need to specify the VT secondary level.Change the setting by pressing either the key or the key. To validate the new value,press the enter key .If the connection scheme includes a residual VT, the ratio of this VT must be set in thismenu. The prompts will be :andE/Gnd VT Primary110.0 V11.4 Connection modeE/Gnd VT Sec'y110.0 VFrom the heading of the menu, press once to go back to the default display.From the default display, press once, once and once to access to the menu« CONFIGURATION », sub-menu « GENERAL ». Press once.The following connection schemes are supported :3V PN= 3 phase-neutral VTs3V PN+ V R= 3 phase-neutral VTs + residual VT3V PP+ V R= 3 phase-phase VTs + residual VT2V PP+ V R= 2 phase-phase VTs + residual VTThe default configuration is :Connection3V PN

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!