YOKOGAWA WT5000 Features Guide

iv
IM WT5000-01EN
Contents
5 Motor Evaluation and Auxiliary Input (Option)
Motor Evaluation/Auxiliary Inputs (Motor/Aux) .............................................................................. 5-1
MTR Conguration (MTR Conguration) ...................................................................................... 5-2
Motor/Aux Settings (Ch Settings).................................................................................................. 5-4
Input Signal Name (Aux Name) .................................................................................................... 5-4
Scaling Factor (Scaling) ................................................................................................................ 5-5
Unit (Unit) ...................................................................................................................................... 5-5
Input Signal Type (Sense Type) .................................................................................................... 5-6
Analog Input Range ...................................................................................................................... 5-7
Linear Scaling of Analog Input ...................................................................................................... 5-8
Line Filter (Line Filter(Butterworth)) ............................................................................................ 5-10
Pulse Noise Filter (Pulse Noise Filter) ........................................................................................ 5-10
Sync Source (Sync Source) ........................................................................................................ 5-10
Upper and Lower Limits of Pulse Input Range (Pulse Range Upper, Pulse Range Lower) ........5-11
Torque Signal Pulse Rating..........................................................................................................5-11
Revolution Signal Pulses per Revolution (Pulse N) .................................................................... 5-13
Sync Speed(Sync Speed) ........................................................................................................... 5-14
Electrical Angle Measurement (Electrical Angle Measurement) ................................................. 5-15
Computing the Motor E󰀩ciency and Total E󰀩ciency .................................................................. 5-16
6 Computation and Output Conguration
Computation and Output (Computation/Output) ........................................................................... 6-1
E󰀩ciency Equation (E󰀩ciency) ..................................................................................................... 6-2
Delta Computation (Δ Measure).................................................................................................... 6-3
Data Update Interval (Update rate) ............................................................................................... 6-6
Averaging (Averaging) .................................................................................................................6-11
D/A Output (D/A Output, option).................................................................................................. 6-13
7 Harmonic Measurement Conditions
Harmonic Measurement Conditions (Harmonics) ......................................................................... 7-1
Input Element Group (Elements) .................................................................................................. 7-1
PLL Source (PLL Source) ............................................................................................................. 7-1
Measured Harmonic Orders (Min Order/Max Order) .................................................................... 7-2
Distortion Factor Equation (Thd Formula)..................................................................................... 7-3
Number of FFT Points (FFT Points) .............................................................................................. 7-3
Anti-Aliasing Filter ......................................................................................................................... 7-3
8 Computation
Computation (Measure) ................................................................................................................ 8-1
User-Dened Functions (User Dened Functions) ....................................................................... 8-1
Measuring the Average Active Power ........................................................................................... 8-5
MAX Hold (Max Hold) ................................................................................................................... 8-5
User-Dened Events (User Dened Event) .................................................................................. 8-6
Equation for Apparent Power (S Formula) .................................................................................... 8-8
Apparent Power and Reactive Power Computation Types (S,Q Formula) ................................... 8-9
Equation for Corrected Power (Pc Formula) ............................................................................... 8-10
Phase Di󰀨erence Display Format (Phase) ...................................................................................8-11
Master/Slave Synchronous Measurement (Sync Measure)........................................................ 8-12

YOKOGAWA WT5000 Specifications

General

Brand	YOKOGAWA
Model	WT5000
Category	Measuring Instruments
Language	English