Fluke 1743, 1744 tanϕ, PF = λ, Logger Parameters with Function P

Power Quality Logger

Logger Parameters with Function P

Absolute value of the active power per interval per phase. Parameter in PQ Log: P.

Pk: Active power of the phase

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

	1	M
P =		⋅ ∑	P
betr	M	j=1	bas j

M:Number of 200 ms intervals per logging interval

Sum of the absolute value of the total	3
	Pbetrtotal = ∑(Pbetr )
active power on all three phases. PQ		k
Log parameter: Ptotal.	k =1
	K: Phase (k = 1, 2, 3)

Apparent power per phase

Apparent power per logging interval per phase

Total apparent power on all three phases

Power factor per phase

Total power factor on all three phases

Tangent φ per phase

Sbas = Pbas 2 + Qbas 2

1 M

S = M ⋅ ∑j=1 Sbas j

3

Stotal = ∑ Sk

k=1

PF = λ	=	Q	⋅	P
		Q		S
PFtotal = λ total =					Ptotal		Q
						⋅	total
					Stotal		Qtotal
tanϕ =	Q
	P

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