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

2. Advantages / Benefits Working Standard Functions
20 mV V (phase-neutral)
1 mA A direct connection
10 mA 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

3. 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 Class A
15 min battery buffered
EN50160 reports

4. 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)

5. 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

6. 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

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

8. 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

9. 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

10. 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

11. Operation Concept
Symbols Display Control Elements   

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

13. Software
Meter – Error Measurement

14. Software
Meter – Measurement of UI, PQS and UIPQS

15. Software
Meter – Wave form, Harmonics and Vector Diagram

16. Software
Meter – Energy Measurement

17. Software
Meter – Register Test

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

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

20. Software
Meter – Voltage Ratio Measurement

21. Software
Meter – Current Ratio Measurement

22. Software
Meter – Special Functions

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

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

25. Software
Power Quality – Recording profile / setup / configuration

26. Software
Power Quality – Online Measurement

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

28. 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

29. 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

30. 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

31. 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

32. Software Power Quality – Online Measurement UIPQSf Recording
Function / Firmware
Aggregation acc. IEC Cl. A

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

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

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

36. Software Power Quality – Online Measurement
Harmonics / Interharmonics Analysis
Function / Firmware
Aggregation acc.
IEC Cl. A)

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

38. Software Power Quality – Online Measurement
Harmonics / Interharmonics Analysis

39. 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 

40. 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

41. Software
Power Quality – Online Measurement
Flicker Measurement

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

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

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

45. Software
Data Base – Administrative Data

46. Software
Data Base – Meter Data

47. Software
Data Base – Transformer Data

48. Software
Data Base – View Test Results

49. Windows©-Software
CALSOFT – Main Functions

50. Windows©-Software
CALSOFT – Power Quality
PQ Online Measurement

51. Windows©-Software
CALSOFT – Power Quality
PQ Recording

52. Windows©-Software
CALSOFT – Power Quality
PQ Analysis

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

54. Windows©-Software
CALSOFT – PQ Online Measurement

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

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

57. Windows©-Software
CALSOFT – PQ Recording/Evaluation Profile

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

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

60. Windows©-Software
CALSOFT – PQ Analysis

61. 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

62. 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)