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Users Manual

Active power of logging interval per phase

Total active power on all three phases

 

1

M

P =

P

 

 

M

bas j

 

j=1

Pbas j to 200 ms value

M: Number of 200 ms intervals per logging interval

3

Ptotal = Pk

k=1

Absolute value of the active power per interval per phase

Sum of the absolute values of the active power on all three phases

Apparent power based on RMS values of voltage and current. Basic values on 200 ms per phase

Apparent power per logging interval per phase

Total apparent power on three phases

Pk: Active power of the phase

k: Phase (k = 1, 2, 3)

 

 

1

 

M

 

 

P

=

 

P

 

 

 

 

 

 

 

 

 

betr

 

M

 

j=1

bas j

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1

M

 

 

P

 

=

 

 

P

+ P

+ P

 

 

 

 

 

 

 

betr total

 

 

 

M j=1

 

bas1

bas 2

bas 3

 

 

 

 

 

 

 

 

 

Sbas

= Vbas .Ibas

 

 

 

1

 

 

M

 

 

S =

 

Sbas j

 

 

M

 

 

 

 

 

j=1

 

 

Sbas j: 200 ms value

M: Number of 200 ms intervals per logging interval

3

Stotal = Sk

K=1

k:Phase (k = 1, 2, 3)

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