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Does increase or decrease of reactive load affects the
Voltage.

Answers were Sorted based on User's Feedback



Does increase or decrease of reactive load affects the Voltage...

Answer / moody

of course
when load pf is constant and the load current increase the
t.v decrease " lagging p.f"
at leading pf the t.v increasing
this occurs in synch generators
if the load is constant but the p.f changed or varried
the same operation happens in lagging , leading respectivly
thanks................

Is This Answer Correct ?    15 Yes 0 No

Does increase or decrease of reactive load affects the Voltage...

Answer / rahul

Yes it does.
Reactive loads ABSORB VARs. This may lead to deficit VARs
in the system causing VOLTAGE to GO DOWN.
( Note that EXCESS VAR___High VOltage
DEFICIT VAR___FAll in voltage)

Is This Answer Correct ?    3 Yes 1 No

Does increase or decrease of reactive load affects the Voltage...

Answer / ritesh

yes, when reactive load is changed, the load power factor is
also changed. line current= active power/(voltage*pf),
therefore line current will also change for a constant load,
which will change the line voltage drop, therefore terminal
voltage will also get change.

Is This Answer Correct ?    1 Yes 0 No

Does increase or decrease of reactive load affects the Voltage...

Answer / nagesh.patwari

Yes it will drop down vtg
increase in var can increase vtg

Is This Answer Correct ?    1 Yes 0 No

Does increase or decrease of reactive load affects the Voltage...

Answer / sanjeet swarnakar

yes,
when reactance increase loss increase
so voltage decrease

Is This Answer Correct ?    5 Yes 7 No

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Dear all, I just want to ask an expert on this forum for some insights. For the magnetic balance test, when applied voltage on a Delta-Star transformer e.g. Dyn11, the following relationships apply for HV side: 1.  H1-H2 = H2-H3 H3-H1 2.  H2-H3 = H3-H1 H1-H2 3.  H3-H1 = H1-H2 H2-H3 For the LV side also: 4.  X1-X0 = X2-X0 X3-X0 5.  X2-X0 = X3-X0 X1-X0 6.  X3-X0 = X1-X0 X2-X0 Is there a similar pattern for Y-d, Y-Y, D-d? And how about Y-z, D-z, Z-y transformers? I've tested a YNzn5 transformer and for LV side I don't see the pattern. In this particular case I got for LV side the following (see values below): H1-H0  H2-H0  H3-H0    X0-X1  X0-X2  X0-X3 128.0  119.9  7.2      29.2   13.3   15.8 70.7   128.4  59.2     23.4   22.0   3.6 7.2    120.1  128.1    13.4   29.3   15.8 What is the relationship here for LV? For row 1 I see the relationship, for row 3 I also see but it's shifted, but for row 2 I don't see such relationship. Any suggestions, answers, someone?

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