Fluke 1743, 1744 Power Quality Logger

Power Quality Logger

Introduction to the Logging Functions

•Energy, total energy

•Flicker (Pst, Plt)

•Voltage THD

•Current THD

•Current CF

•Voltage harmonics to the 50th (not in P function)

•Voltage interharmonics (not in P function)

•Mains signaling voltage

•Unbalance

•Frequency

CURRENT INPUT	MEASUREMENT INPUT	SUPPLY INPUT
10VRMS MAX	L1/A	660V MAX
	L2/B	88-660V
	L3/C	45-65 Hz
	N	100-350V
	830VRMS MAX CAT	5VA

600V CAT

300V CAT

232SR

1743 POWER LOGGER

START

STOP

IN I3 I2 I1 V3 V2 V1

POWER

egb002.eps

Figure 1. Model 1744/1743 Power Quality Loggers

Contents

Page Table of Contents 1744/1743 Contents Page List of Tables Page List of Figures Page Introduction Information and PC Software CD Logger Power Supply Power Interruptions Introduction to the Logging Functions Power Quality Logger Symbols Safety Instructions W X Warnings Qualified Personnel Standard Equipment and Optional Accessories Page Features Page Power Network Configurations Working with Logged Data Using the Logger Logging Jobs Preparing the Logger for Use 2.Connect the RS232 interface cable to the serial port of your PC Test Leads – Markings Connecting Current Probes Connecting the Logger Page Page Connections in 3-Phase 4-Wire(Wye) Systems Connections in 3-Phase 3-Wire(Delta) Systems Figure 5 shows the connections for logging 3-phase 3-wire(Delta) systems The test lead N can be left open, or connected to ground potential Connections for Single-PhaseLogging Figure 6 shows the connections for logging single-phasesystems Connections for Medium-VoltageNetworks Phase-PhaseDelta Logging Phase-Ground, Wye-Logging Logging with Two Voltage Converters and Two Current Transformers Logging Time-activated Immediate job: Completing the Logging Job For switch-activated Methods of Logging Measuring Ranges Resolution Accuracy Voltage Variations Min/Max Values Voltage Interruptions Voltage Harmonics Current Harmonics THDV THDI and THDI (A) = ∑ In THDI 12Pst Plt = 3 ∑ 12i=1 Power Logger Parameters with Function P PF = λ tanϕ tanϕ total Logger Parameters with Function A Pn = Vn .In .cosϕ n Page tanϕ ⋅ ∑ Ph1 Sh1 cosϕ Sh1 Qh1 cosϕ 1total Maintenance Lithium Battery Disposal Technical Specifications Logging Parameters – Overview Technical Specifications Maximum Number of Intervals for Logging Function P General Information Environmental Specifications EMC Power Supply Measurement Input Voltage Current Input with Flexi Set Current Input for Clamp General Specifications Power (Logging Functions A, P only) P, S, |P| Harmonics Vm, Im, THDV, THDI per IEC/EN 61000-4-7,class B Statistics Analysis of logging data Logging Function P Logging Function A – “All” parameters Applications PQ Log PC Application Software Online Test ASCII Export Timeplot diagram UNIPEDE DISDIP Table Cumulative Frequency – Harmonics Index