Power analyzer technical specifications

Power analysis specifications

Functionality	Dewesoft Power Analyzer
Power Analysis for DC and AC	✓
Power Analysis P	P, Q, S, PF, cos phi, D (Distortion), DH (Harmonic distortion), QH (reactive power of harmonics) (for each phase and total)
Fundamental Power	P_H1, Q_H1, S_H1, cos phi_H1, phi_H1 (for each phase and total)
Voltage and Current	RMS, RM (star and delta)
Energy Calculation	Total, positive and negative (e.g. Recuperation)
Efficiency	✓
Wiring Schematics	DC, 1-phase, 2-phase, 3-phase delta, 3-phase star, 3-phase V, 3-phase Aron, 3-phase two meters, 6-phase (R2, R4, R8), 7-phase (R2, R4, R8, 12-phase (R4, R8))
Star-Delta Calculation	✓ (waveform and RMS values)
Frequencies	16.7 Hz, 25 Hz, 50 Hz, 60 Hz, 400 Hz, 800 Hz, Variable from 10 Hz up to 3 kHz
Frequency Source	Voltage, current, external
Period Values	U, I, P, Q, S, symmetrical components for 1⁄2, 1, 2 or 4 periods and selectable Overlap up to 99 %
Power Averaging	Selectable - starting from 1 ms , Multiple Averaging (e.g. 20 ms, 60 s, 600 s) possible

Functionality	Dewesoft Power Analyzer
Harmonics (according to IEC61000-4-7)	up to 150 kHz for voltage, current, active-, reactive power, phase angle and impedance
Variable Sidebands and Half Sidebands (according to IEC61000-4-7)	✓
Harmonic Smoothing Filter (according to IEC61000-4-7)	✓
Interharmonics (according to IEC61000-4-7)	✓
Total Harmonic Distortion (THD) (according to IEC61000-4-7)	Voltage and current (Total, odd and even) - selectable up to 150 kHz
Total Interharmonic Distortion (TIHD) and K-factor (according to IEC61000-4-7)	Voltage and current (Total, odd and even) - selectable up to 150 kHz
Higher Frequencies (according to IEC61000-4-7)	up to 150 kHz (grouping in 200 Hz and 2 kHz bands)
Flicker (according to IEC61000-4-15)	selectable PST and PLT
Flicker Emission (according to IEC61400-21)	✓
Rapid Voltage Changes (according to IEC61000-4-15)	selectable steady state and hysteresis
Symmetrical Components (according to IEC61000-4-30)	Zero-, positive- & negative system for voltage and current (absolute or relative to fundamental)
Additional Symmetrical Components (according to IEC61400-21)	Active and reactive parts for zero-, positive- & negative system

Functionality	Dewesoft Power Analyzer
Power Analysis	✓
Power Quality Analysis	✓
Database Storing	✓
Post Processing	✓
Math Library	✓
Data logging - Raw data storing	✓ (data Storing at Full Sampling rate up to 15 MS/s per channel)
Scope	✓ (up to 8 graphs in one diagram, Zoom In- and Out)
Vector Scope	✓ (1-, 2-, 3-phase systems, Clarke transform, Park transform)
FFT	✓ (up to 1⁄2 of Sampling Rate)
Harmonic FFT	✓ (up to 1⁄4 of Sampling Rate)
Transient Recording	✓ (up to 15 MS/s)
Triggering Channels	Analog, Digital, Counter, Math, Power, etc.
Triggering options	Simple edge (rising, falling), Window (two-levels: entering, leaving), Pulsewidth (longer or shorter than duration), Window and Pulsewidth, Slope Trigger (rising or falling slope with steepness)
Functionality	Motor Efficiency Analysis (available as an upgrade)
Dewesoft Power Analyzer	✓ (efficiency mapping)