Which of the following is valid for a three-phase balanced star connected system?
1
\(\overrightarrow {{I_R}} + \overrightarrow {{I_B}} = \overrightarrow {{I_Y}} \)
2
\(\overrightarrow {{I_R}} + \overrightarrow {{I_Y}} + \overrightarrow {{I_B}} = 1\)
3
\(\overrightarrow {{I_R}} + \overrightarrow {{I_Y}} + \overrightarrow {{I_B}} = 0\)
4
\(\overrightarrow {{I_R}} + \overrightarrow {{I_Y}} - \overrightarrow {{I_B}} = 0\)