How it was insured in the control circuit of counter current breaking as to avoid the operation of both positive and negative sequences simultaneously? C1 M 3-phase switch Fig.1. Main Motor Circuit C2 Contactor's main contacts OFF Break ON of 13 C1 14 21 22 C1 M1 M2 Fig.2. Control Circuit 380 V, 3-phase supply 3-phase motor
How it was insured in the control circuit of counter current breaking as to avoid the operation of both positive and negative sequences simultaneously? C1 M 3-phase switch Fig.1. Main Motor Circuit C2 Contactor's main contacts OFF Break ON of 13 C1 14 21 22 C1 M1 M2 Fig.2. Control Circuit 380 V, 3-phase supply 3-phase motor
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Transcribed Image Text:How it was insured in the control circuit of counter current breaking
as to avoid the operation of both positive and negative sequences
simultaneously?
C1
6.
|と2」
3-phase
switch
Fig.1. Main Motor
Circuit
C2
Contactor's
main contacts
OFF
Break
ON
of
13 C1 14
21
22
C1
M1
M2
Fig.2. Control Circuit
380 V, 3-phase
supply
3-phase
motor
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