Electrical Engineering - Three-Phase Systems in Power Applications - Discussion

Discussion :: Three-Phase Systems in Power Applications - General Questions (Q.No.3)

3. 

In a -connected source driving a -connected load, the

[A]. load voltage and line voltage are one-third the source voltage for a given phase
[B]. load voltage and line voltage are two-thirds the source voltage for a given phase
[C]. load voltage and line voltage cancel for a given phase
[D]. load voltage, line voltage, and source phase voltage are all equal for a given phase

Answer: Option D

Explanation:

No answer description available for this question.

Vishal said: (Feb 23, 2011)  
In delta only line and phase currents are different but voltage in line and phase are equal.

Avinash said: (Feb 26, 2011)  
Is this correct ans?

Yashabanta Mohanta. said: (Mar 2, 2011)  
As here both connection are same.

Sundar said: (Apr 20, 2011)  
yes.. It is correct

Chandru said: (May 17, 2011)  
It is correct answer.

Jinil said: (Aug 9, 2011)  
It is correct.

Venkata Ramesh said: (Oct 25, 2011)  
In delta only line and phase currents are different but voltage in line and phase are equal.

Ranjan said: (Nov 6, 2011)  
It is right answer.

Anil Kumar said: (Jan 3, 2012)  
Line Voltage is equ. to Phase voltage, but Line Current is to root 3*Phase current. In delta connection of transformer/Motor.

Anshuman said: (Mar 5, 2012)  
In delta connected network phase voltage and line voltage are same.

Hamdi said: (Mar 28, 2012)  
When source and load are the same in connection (Delta connection) then voltage in line or phase is equal but there are a difference between phase current and line current in delta connection.

Akhil Bhave said: (Jan 24, 2013)  
In delta connection voltage are same but the current are different.

Venkidu said: (Jul 14, 2013)  
Line Voltage is equal to the phase voltage in DELTA but current is different.

Viswaja said: (Aug 20, 2013)  
In delta connection voltages are equal but currents are different but in case of star (i phase = i line) that means currents are same but voltage is different.

Selva said: (Sep 2, 2013)  
V(line) = V(phase) in delta connection.

Mukul said: (Mar 2, 2014)  
In Delta connection,

Line voltage = phase voltage.
Line current = root 3*phase current.

In star connection,

Line voltage = Root3 *phase voltage.
Line current = phase current.

Lolly said: (Apr 25, 2014)  
In delta connection VL = VPhase.

Rafiqul Islam said: (Oct 22, 2014)  
For Delta connection,

V line = V phase.

IL = 1/root 3*IP.

So, load voltage, line voltage, and source phase voltage are all equal for a given phase.

Kishor said: (Aug 22, 2015)  
Delta connected line voltage and phase voltage both are same.

Dsingh said: (Feb 1, 2016)  
In delta connection line voltage and phase voltage are same while in delta connection line current and phase current are same for motor and transformer.

Marshall said: (Feb 13, 2016)  
In a Delta/Delta Configuration (motor and transformer), meaning delta source & delta load. Line voltage and phase voltage are equal.

Kailas said: (Aug 13, 2016)  
In delta line & phase vol is same but line & phase current is different.

Naresh Kumar said: (Jan 30, 2017)  
Yes, your answer is correct @Kailas.

M.Tayyab said: (Jan 16, 2020)  
If star source is connected to delta load what will happen?

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