
РА1.007.001РЭ-001
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PARMA Ltd.
in Umeasuring channel, the device will show both phase shifts. Read indica-
tions on the upper line of display, prefix of voltage-current phase shift:
ui=
Figure 11
6.2.9 Determination of phase shift order
6.2.9.1
The device will be switched to required mode automatically,
when the signal comes to terminal B.
6.2.9.2
Correct determination of phase shift order is possible if
only all three phases are connected in accordance with marking on the de-
vice. (see fig. 12, 13)
6.2.9.3
The result of phase shift determination is displayed as a
text, for example:
Figure 12
NO PHASE С
NO PHASE А
φuu= 30° L
220.0V
φui = 30° C 999 mА
180°
270°
0°
90°
Ic
Ua
30°
–30°
Uc
РА1.007.001РЭ-001
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PARMA Ltd.
Figure 1
Содержание VAF-A
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