Powermeter EduTrainer
®
9 Description
The Powermeter Edutrainer
All functions can be fully parameterized directly on the device or via a web browser.
The universal metering system can be used directly without hardware modifications for all systems, from
single-phase systems to 4-wire systems with unbalanced loads.
Measured variable
Voltage U, U
U
1N,
2N,
Zero displacement voltage U
Current I, I1, I2, I3
Neutral current IN
Ground current I
PE
Active power P, P1, P2, P3
Fundamental active power
P(H1), P1(H1), P2(H1), P3(H1)
Total reactive power Q, Q1, Q2, Q3
Distortion reactive power D, D1, D2, D3
Fundamental reactive power Q(H1), Q1(H1), Q2(H1),
Q3(H1)
Apparent power S, S1, S2, S3
Fundamental apparent power S(H1), S1(H1), S2(H1),
S3(H1)
Frequency F
Power factor PF, PF1, PF2, PF3
Available via communication interface (Ethernet) only
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36
®
is used for metering and monitoring in 2 and 3-phase systems.
U
U
U
U
3N,
12,
23,
31
NE
(calculated)
Measured variable
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PF quadrant I , II, III, IV
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Reactive power factor QF, QF1, QF2, QF3
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Power factor LF, LF1, LF2, LF3
cosφ (H1), cosφ (H1) L1, cosφ (H1) L2, cosφ
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(H1) L3
cosφ (H1) quadrant I, cosφ (H1) quadrant II
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cosφ (H1) quadrant III, cosφ (H1) quadrant IV
tanφ (H1), tanφ (H1) L1, tanφ (H1) L2, tanφ
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(H1) L3
U
=(U1N+U2N)/2,
mean
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U
=(U1N+U2N+U3N)/3,
mean
U
=(U12+U23+U31)/3
mean
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I
=(I1+I2)/2, I
mean
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IMS, average current with sign of P
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Phase angle U1/U2, U2/U3, U3/U1
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Angle U/I, U1/I1, U2/I2, U3/I3
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Maximum ΔU <>Um
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Maximum ΔI <>Im
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=(I1+I2+I3)/3
mean
8108196
© Festo Didactic
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