Fluke 39, 41B user manual Adjustable Frequency Speed Motor Drive, Adjustable Frequency Motor Drive

Page 61

of Applications

Adjustable Frequency (Speed) Motor Drive

Measure input and output current and current frequency. Refer to Figure 26. The Tester measures the output current frequency the drive. (Output current provides the most stable frequency measurement.) Input power and

harmonic currents can also be measured. Press to select current APfor the display reference.

OUTPUT

INPUT

A B C 1 2 3

OUTPUT		INPUT
A B C	1	2 3

OUTPUT

INPUT

IN

OUT

41B

a24f.eps

Figure 26. Adjustable Frequency Motor Drive

51

Image 61

Contents Fluke 39/41B Limited Warranty & Limitation of Liability Service Centers Page Table of Contents Fluke 39/41B List of Tables List of Figures Using!Your Tester Safely AC Current Probe Safety Guidelines Uses for the Tester About This ManualUnpacking Unpacking Additional Items Model 41B Terminology Used in This Manual Automatic Power Down Battery ConsiderationsMemory Retention Gettingto Acquainted with Your Tester Getting Acquainted Input Connections Using the Voltage Test LeadsMeasurement Connections 1P Using the Current ProbeThree-Phase Measurement Connections For Balanced Circuits Three-Phase Power MeasurementsWtotal = W1 + W2 Three-Phase Measurement, Balanced or UnbalancedWtotal = W1 + W2 + W3 Keypad KeypadKeypad Number Key Descriptions Symbol Name & DescriptionNumber Symbol Name & Description Key Descriptions Number Name & Description Print Model 41B Key Descriptions Number Symbol Name & DescriptionDisplay Screen Display ScreenStatus Line DP ase Angle degrees. ± Screen Abbreviations Screen Usage Name and DescriptionScreen Usage Name and Description Screen AbbreviationsVolts rms includes dc component Special Messages Functions and Screen Modes Waveform Screen ModeWaveform Screens Functions and Screen Modes Harmonics Screens Harmonics Overload Screen Harmonics Zoom Screen Harmonics Zoom ModeText Screen Mode Text Screens VA Check Screen Typical VA Check Signatures Recording Measurements Record Screens THD RMS Power-Up ConfigurationConfiguration Screens Memory Screen Storing & Recalling Measurements Model 41B39/41B Store Using the Serial Cable Model 41B Serial Communications Model 41B Printing Model 41B Using PC Software with the Tester Model 41BSending to a Printer or PC Model 41B Applications Applications Plant Switch Gear Plant Switch Gear Service EntranceDistribution Transformer 1PWatts Text Screen Distribution TransformerDistribution Transformer 3P, 3C Watts Text Screen Electronic Equipment Load CenterReceptacle Load Center Neutral Current Measurement Generator Set Generator SetAdjustable Frequency Motor Drive Adjustable Frequency Speed Motor DriveCleaning User MaintenanceFuse Replacement Battery ReplacementUser Maintenance If Your Tester Does Not Work Accessories and Replacement Parts Accessories and Replacement PartsFluke PN Replacement Parts DescriptionQty MV/A Isolated Input SpecificationsWatts Measurements Volt-Amps Harmonic Level 5% Using Smooth ~20Measurement Function Range/ResolutionAccuracy AC Amps AC VoltsWatts General Specifications Display Safety 39/41B