Electrical Measurements Errors Current Transformers Online Exam Quiz
Electrical Measurements Errors Current Transformers GK Quiz. Question and Answers related to Electrical Measurements Errors Current Transformers. MCQ (Multiple Choice Questions with answers about Electrical Measurements Errors Current Transformers
Phase angle error is given by ____________
Options
A : frac{180}{?} [frac{1}{nI_s}] degrees
B : frac{180}{?} [frac{I_m}{I_s}] degrees
C : frac{180}{?} [frac{I_m}{n}]degrees
D : frac{180}{?} [frac{I_m}{nI_s}] degrees
Phase angle in a C.T. is defined as ____________
Options
A : frac{180}{?} [frac{I_m cos?}{nI_s}] degrees
B : frac{180}{?} [frac{I_c sin?}{nI_s}] degrees
C : frac{180}{?} [frac{I_m cos? – I_c sin?}{nI_s}] degrees
D : frac{180}{?} [frac{I_m sin? – I_c cos?}{nI_s}] degrees
Phase angle error is due to _________
Options
A : C.T.
B : magnetising component
C : iron loss
D : supply voltage
Ratio error is due to _________
Options
A : iron loss
B : C.T.
C : magnetising component
D : supply voltage
Errors in a C.T. can be minimised by _________
Options
A : making use of laminations
B : having low reactance
C : increasing the secondary winding turns
D : decreasing the primary winding turns
Ratio error is defined as ___________
Options
A : Ratio error = Kn?R
B : Ratio error = Kn – R?R
C : Ratio error = Kn – R
D : Ratio error = 1?R
Errors are introduced in Current Transformers.
Options
A : True
B : False
C :
D :
In power measurements 180° phase shift is required.
Options
A : True
B : False
C :
D :
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