Portable Working Standard and Power Quality Analyzer PWS 3.3 Portable Working Standard and Power Quality Analyzer

Advantages / Benefits Working Standard Functions 20 mV ... 600 V (phase-neutral) 1 mA ... 12 A direct connection 10 mA ... 100 A via clamp-on CTs Measurement of electrical parameters (UI, PQS, f, PF) incl. vector and waveform display, harmonic analysis Up to 2 pulse inputs Instrument transformer testing (CT/PT burden, CT/PT ratio) Accuracy  0.1 % /  0.05 % Options: CALSOFT Software Clip-on CTs: 1000 A  LEMflex© up to 3000 A  LiteWire Sensors

Advantages / Benefits Power Quality Analysis Functions 3 voltages/4 current channels Harmonics  Interharmonics Signal voltages Dips  Swells  Interruptions Voltage unbalance Flicker Transient capture  200s (10 kHz) IEC 61000-4-30 Class A 15 min battery buffered EN50160 reports

Advantages / Benefits Communication USB (integrated, standard) Ethernet (integrated, standard) Analog modem (integrated, optional) GSM modem (external, optional) Memory & GPS Time Synchronisation Memory: flash memory card GPS Time Synchronisation (integrated, optional)

Connections Top view [1] Current inputs I1, I2, I3 [3] Phase connection U1, U2, U3 [2] Current outputs I1*, I2*, I3* [4] Neutral connection UN [5] Connection for Clamp-on CT1 [7] Connection Clamp-on CT IN/IE [6] Connection for Clamp-on CT2 [8] Impulse input / output

Connections Top view [9] Impulse input [11] Modem connector [10] Ethernet connector [12] USB connector [13] GSM modem [14] Compact flash card [15] Mains switch [16] Auxiliary supply connector

Connections Bottom view [17] Battery compartment (10 x R6/Mignon/AA 1.2V / 1.2 Ah NiMH accumulators)

Connections Front view [18] Color LCD display [19] Alphanumeric keypad [20] Menu card keys [21] Cursor keys [22] Enter key [23] Exit key [24] Connector for external keyboard

Optional current clamps to the PWS 3.3 Error compensated clamp-on CT’s for measurements in the range 5 mA … 10A and 10 mA … 100 A Clamp-on CTs for meas-urements in the range 100 mA … 1000 A

Optional current clamps to the PWS 3.3 Flexible current trans-formers FLEX 3000 for measurements up to 30 / 300 / 3000 A Hot sticks for measurements on high voltage potential - AmpLiteWire up to 2000 A - VoltLiteWire up to 40 kV

Operation Concept Symbols Display Control Elements   

Software Meter – Main Menu Meter Testing  Measurement  Harmonics, Oscilloscope  Energy Measurement  Transformer Test  Special Functions  Installation (Setup) 

Software Meter – Error Measurement

Software Meter – Measurement of UI, PQS and UIPQS

Software Meter – Wave form, Harmonics and Vector Diagram

Software Meter – Energy Measurement

Software Meter – Register Test

Software Meter – Voltage Burden Measurement (25% SN ≤ Sb ≤ 100% SN)

Software Meter – Current Burden Measurement (25% SN ≤ Sb ≤ 100% SN)

Software Meter – Voltage Ratio Measurement

Software Meter – Current Ratio Measurement

Software Meter – Special Functions

Software Power Quality – Main Menu First Row  Online Measurement  Power Quality Recording  Power Quality Analysis 

Software Power Quality – Recording menu Second Row  Recording profile  Recording configuration  Recording setup  Start / Stop PQ Recording 

Software Power Quality – Recording profile / setup / configuration

Software Power Quality – Online Measurement

EN 50160 Power Quality Standard Low voltage: Un = 230 V

EN 50160 Power Quality Standard Low voltage: Un = 230 V How to read the table, two examples: EN 50160, 2.1 Frequency EN 50160, 2.6 / Supply voltage interruptions, short

IEC 61000-4-30 Standard Power Quality Measurement Methods Class A performance Used, where precise measurement is necessary Contractual applications Verification compliance with standard Resolving disputes Class B performance Low uncertainty Statistical surveys Trouble shooting

IEC 61000-4-30 Standard Power Quality Measurement Methods Class A requirement Aggregation algorithm Time clock uncertainty (at least 1s/24h) Flagging concept to avoid counting events several times Power quality parameters Power frequency Voltage and current magnitude Flicker Voltage Dips, interruptions, swells Current inrushes Voltage unbalances Harmonics/Interharmonics Voltage signals Transients

Software Power Quality – Online Measurement Advantages Quick configuration / start of recording of all PQ quantities Ideal for short-term analysis of PQ problems Recording/Analyzing of PQ situation during meter test On-line analyzing during recording Limitations Recording time limited to max. 10 hours Recording must be defined individually for each PQ quantity Storing not possible; only screen shot

Software Power Quality – Online Measurement UIPQSf Recording Function / Firmware Aggregation acc. IEC 61000-4-30 Cl. A

Software Power Quality – Online Measurement Dip / Swell / Interruption Analysis Function / Firmware (Dip Analysis) Theory (acc. IEC 61000-4-30 Cl. A)  Dip / Interruption Analysis

Software Power Quality – Online Measurement Dip / Swell / Interruption Analysis Function / Firmware (Dip Analysis) Theory (acc. IEC 61000-4-30 Cl. A) 3-phase Interruption Analysis 3-phase Dip Analysis

Software Power Quality – Online Measurement Dip / Swell / Interruption Analysis Function / Firmware (Swell Analysis) Theory (acc. IEC 61000-4-30 Cl. A) Exceeding threshold of a certain percentage of Udin (declared input voltage)

Software Power Quality – Online Measurement Harmonics / Interharmonics Analysis Function / Firmware Aggregation acc. IEC 61000-4-30 Cl. A)

Software Power Quality – Online Measurement Harmonics / Interharmonics Analysis Function / Firmware Theory (acc. IEC 61000-4-30 Cl. A)

Software Power Quality – Online Measurement Harmonics / Interharmonics Analysis

Software Power Quality – Online Measurement Transient Capture Recorder / Table Display  Autoscaling On / Off  Display Min./Max. Values  Start/Stop Recording  Saving / File Management  Exit to previous Menue 

Software Power Quality – Online Measurement Signal Voltage Analysis  Setting of Signal Frequency  Auto Detection of Signal Frequency Setting of Nominal Voltage Setting of Signal Voltage Level

Software Power Quality – Online Measurement Flicker Measurement

Software Power Quality – Online Measurement Unbalance Measurement Zero sequence voltage unbalance factor [%] Negative sequence voltage unbalance factor [%]

Software Power Quality – Analysis Recorder Analysis Bar Graph Analysis Result Summary

Software Data Base – Main Menu Administrative data  Meter data  Transformer data  Load point data  View test result  Basic settings 

Software Data Base – Administrative Data

Software Data Base – Meter Data

Software Data Base – Transformer Data

Software Data Base – View Test Results

Windows©-Software CALSOFT – Main Functions

Windows©-Software CALSOFT – Power Quality PQ Online Measurement

Windows©-Software CALSOFT – Power Quality PQ Recording

Windows©-Software CALSOFT – Power Quality PQ Analysis

Windows©-Software CALSOFT – PQ Online Measurement Advantages Same functions as in PWS 3.3 device Analysis functions organized by folders

Windows©-Software CALSOFT – PQ Online Measurement

Windows©-Software CALSOFT – PQ Recording/Evaluation Profile Functions Recording Options Setup U and I inputs Start/Stop of Recording

Windows©-Software CALSOFT – PQ Recording/Evaluation Profile Functions Preparation/Saving of analysis profiles Transfer of analysis profiles to the device

Windows©-Software CALSOFT – PQ Recording/Evaluation Profile

Windows©-Software CALSOFT – PQ Recording Options - Start time/length Functions Configuration of recording start Configuration of recording in blocks Definitions of time block interval

Windows©-Software CALSOFT – PQ Analysis Functions General Info Recorder Analysis Bar Graph Analysis Summary Result Overview

Windows©-Software CALSOFT – PQ Analysis

ETHERNET communication PWS 3.3 as DHCP Server IP - address PWS 3.3 can be fixed PWS 3.3 can allocate IP-address e.g. to locally connected PC

ETHERNET communication PWS 3.3 as DHCP Client PWS 3.3 will be given IP-address from server (e.g. if installed in a in- house or remote network)