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SDS6000L User Manual
2 3 0 i n t . s i g l e n t . c o m
26 Power Analysis
26.1 Overview
The SDS6000L supports a power analysis function. Power analysis can help users quickly and easily
analyze and debug switching power supply design. It automatically calculates Power Quality, Current
Harmonics, Inrush Current, Switching Loss, Slew Rate, Modulation, Turn On/Turn Off, Transient
Response, PSRR, Power Efficiency, Output Ripple, etc. Full use of the Power analysis requires a
differential voltage probe like the SIGLENT DPB series, a current probe like the SIGLENT CP series,
the SIGLENT DF2001A deskew fixture, and the power analysis activation license (part number
SDS6000L-PA). Install the software option part number SDS6000L-PA to permanently enable the
power analysis function.
Click Analysis > Power Analysis to recall the power analysis dialog box:
A. Enable/Disable the test
B. Select the analysis item (Power Quality,
Current Harmonics, Inrush Current, Switching
Loss, Slew Rate, Modulation, Turn On/Turn
Off, Transient Response, PSRR, Power
Efficiency, Output Ripple, etc.)
C. Turn on/off the state of the analysis item
26.2 Power Quality
The specific measurement parameters of power quality analysis include active power, apparent power,
reactive power, power factor, power phase angle, voltage effective value, current effective value,
voltage crest factor, and current crest factor of power input of a switching power supply.
Type
Power
-- Includes all the items to describe energy flow in a system: Active power, reactive power,
apparent power, power factor, and power phase angle.
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