Fluke 1744 Manual do Utilizador descarregar pdf (Página 51)

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1744/1743

Users Manual

Active power of logging

interval per phase

∑

⋅=

bas

bas j

to 200 ms value

M: Number of 200 ms intervals per logging interval

Total active power on all

three phases

∑

ktotal

: Active power of the phase

k: Phase (k = 1, 2, 3)

Absolute value of the

active power per interval

per phase

∑

⋅=

basbetr

Sum of the absolute

values of the active power

on all three phases

∑

++=

basbasbas

total

betr

PPP

321

Apparent power based on

RMS values of voltage

and current. Basic values

on 200 ms per phase

basbasbas

IVS .=

Apparent power per

logging interval per phase

∑

⋅=

bas

bas j

: 200 ms value

M: Number of 200 ms intervals per logging interval

Total apparent power on

three phases

∑

ktotal

k: Phase (k = 1, 2, 3)

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 72 73

1744/1743 1
Table of Contents 2
Contents 4
List of Tables 6
List of Figures 8
Power Quality Logger 10
Logger Power Supply 11
Power Interruptions 11
POWER LOGGER 12
Safety Instructions 13
W X Warnings 14
Qualified Personnel 15
Features 17
Power Quality Logger 18
Safety Instructions 18
Power Network Configurations 19
Working with Logged Data 19
Using the Logger 20
Preparing the Logger for Use 21
Using the Logger 22
Test Leads – Markings 23
Connecting Current Probes 23
Connecting the Logger 24
Users Manual 25
Three Voltage Converters 30
Phase-Phase Delta Logging 31
Phase-Ground, Wye-Logging 32
Transformers 33
Logging 34
Completing the Logging Job 35
Methods of Logging 36
Signal Sampling 37
Resolution Accuracy 37
Voltage Variations 38
Min/Max Values 39
Voltage Interruptions 40
Voltage Dips and Swells 41
Voltage Harmonics 41
Current Harmonics 42
Mains Signaling 42
IATHDI 43
IVS .= 51
QPSD −−= 52
Maintenance 54
Technical Specifications 55
General Information 56
Environmental Specifications 57
Power Supply 58
Measurement 58
Input Voltage 59
Current Input with Flexi Set 59
Current Input for Clamp 60
General Specifications 61
Current Logging Values 61
Flicker 61
Harmonics 62
Statistics 62
Logging Function P 63
Logging Values 63
Application 63
Applications 65
Online Test 67
ASCII Export 68
Timeplot diagram 69
UNIPEDE DISDIP Table 70

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