PowerTek PA2553 User manual

Powertek
USER'S GUIDE
PA2553/
PA2553E
Three-Phase
Power Analyser

Warranty 3
Warranty
The Powertek instrument is warranted against defects in material and
workmanship for a period of two years after the date of purchase. Powertek agrees to
repair or replace any assembly or component (except batteries) found to be defective,
under normal use, during the warranty period. Powertek obligation under this warranty
is limited solely to repairing any such instrument which in Powertek sole opinion
proves to be defective within the scope of the warranty, when returned to the factory or
to an authorized service center. Transportation to the factory or service center is to be
prepaid by the purchaser. Shipment should not be made without prior authorization by
Powertek.
The warranty does not apply to any products repaired or altered by persons not authorized
by Powertek, or not in accordance with instructions provided by Powertek. If the
instrument is defective as a result of misuse, improper repair, or abnormal conditions
or operations, repairs will be billed at cost.
Powertek assumes no responsibility for its product being used in a hazardous or
dangerous manner, either alone or in conjunction with other equipment. Special
disclaimers apply to this instrument. Powertek assumes no liability for secondary
charges or consequential damages, and, in any event, Powertek' liability for breach of
warranty under any contract or otherwise, shall not exceed the original purchase price
of the specific instrument shipped and against which a claim is made.
Any recommendations made by Powertek or its Representatives, for use of its products
are based upon tests believed to be reliable, but Powertek makes no warranties of the
results to be obtained. This warranty is in lieu of all other warranties, expressed or
implied, and no representative or person is authorized to represent or assume for Powertek
any liability in connection with the sale of our products other than set forth herein.
Instrument Serial Number: __________________________________

4PA2553 User's Guide
Document Part Number: MO-PA2553-M
Revision C Print date: February 21, 2000
Copyright
Copyright1999 Powertek All rights reserved.
All rights reserved. No part of this publication may be reproduced, transmitted,
transcribed, stored in a retrieval system, or translated into any language in any form
without prior written consent from Powertek. This product manual is copyrighted and
contains proprietary information, which is subject to change without notice. The
product's displays and manual text may be used or copied only in accordance with the
terms of the license agreement.
In the interest of continued product development, Powertek. reserves the right to make
changes in this guide and the product it describes at any time, without notice or
obligation.
Powertek
Powertek UK
19 Cornwallis Rd.
Bilton, Rugby CV22 7HL UK
Tel: [phone]
E-mail: [email protected]
Powertek US Inc.
7 Third St.
Holbrook, NY 11741 USA
Tel: [phone]
E-mail: [email protected]
ISO-9001: 1994
Cert. No. CA 23-98-01
RvC
Accredited by the RvA

Contents 5
Contents
INTRODUCTION_______________________________________________ 11
Scope ______________________________________________________ 11
Features____________________________________________________ 12
FUNCTIONAL DESCRIPTION____________________________________ 13
Theory of Operation__________________________________________ 13
Interfaces___________________________________________________ 15
Front Panel_______________________________________________ 15
Parallel Printer____________________________________________ 15
IEEE488 ________________________________________________ 16
USING THE POWER ANALYSER _________________________________ 17
Setting Up __________________________________________________ 17
Front Panel _________________________________________________ 18
Rear Panel Connections _______________________________________ 19
Starting the Power Analyser____________________________________ 20
Configuring the Power Analyser ________________________________ 20
Measurement Connections _____________________________________ 24
Using Internal Current Transducers ____________________________ 24
Internal Transducer Connections for Test_________________________ 25
Using External Current Transducers____________________________ 27
External Transducer Connections for Test ________________________ 28
SEQUENCE OF DISPLAY SCREENS_______________________________ 29
Using the Diagrams ___________________________________________ 29
Diagrams ___________________________________________________ 30

6PA2553 User's Guide
VIEWING RESULTS ____________________________________________ 35
Display Screens ______________________________________________ 35
Basics Group _____________________________________________ 36
Harmonics Group__________________________________________ 41
Waveforms Group _________________________________________ 44
History Group ____________________________________________ 46
PRINTING RESULTS____________________________________________ 51
Sample Printouts_____________________________________________ 51
CALIBRATION_________________________________________________ 65
Removing DC Current Offsets __________________________________ 65
Calibrating the Power Analyser_________________________________ 67
Calibration Procedures________________________________________ 67
Voltage Calibration ________________________________________ 69
Current Calibration ________________________________________ 72
Calibration Faults____________________________________________ 75
APPENDIX A - PHYSICAL SPECIFICATIONS ______________________ 77
Temperature & Humidity____________________________________ 77
Size & Weight ____________________________________________ 77
Power Input______________________________________________ 77
APPENDIX B - MEASUREMENT SPECIFICATIONS _________________ 79
Power Source Capabilities (Option E only)_______________________ 79
Input Signal Capabilities ____________________________________ 79
Input Burden _____________________________________________ 80
Measurement Accuracy _____________________________________ 80

Figures 7
Figures
Figure 1. Bench Type Power Analyser ________________________________ 17
Figure 2. Front Panel detail_________________________________________ 18
Figure 3. Rear Panel detail _________________________________________ 19
Figure 4. Startup screen ___________________________________________ 20
Figure 5. Setup Index screen with INTERFACES/DATE/TIME selected_______ 20
Figure 6. The Interface Setup screen__________________________________ 21
Figure 7. Setup Index screen with MEASUREMENTS & WIRING selected____ 21
Figure 8. The Measurements & Wiring Setup screen______________________ 22
Figure 9. Setup Index screen with CURRENT INPUTS selected_____________ 22
Figure 10. The Current Input Setup screen _____________________________ 23
Figure 11. Setup Index screen with PRODUCT OPTIONS FITTED selected ___ 24
Figure 12. The Product Options Fitted screen ___________________________ 24
Figure 13. 1φ2-Wire Connections diagram ____________________________ 25
Figure 14. 1φ3-Wire Connections diagram ____________________________ 25
Figure 15. 3φ3-Wire Connections diagram ____________________________ 26
Figure 16. 3φ4-Wire Connections diagram ____________________________ 27
Figure 17. Front Panel with Basics sample display _______________________ 29
Figure 18. Basic ∑RMS sample display _______________________________ 30
Figure 19. Harmonics Bargraph and List sample display___________________ 31
Figure 20. Waveforms V&W CONT φABC sample display ________________ 32
Figure 21. History WATTS φA sample display__________________________ 33
Figure 22. Basics ∑RMS MEAS φA display with callouts__________________ 36
Figure 23. Basics ∑RMS MEAS ∑φABC display ________________________ 36

8PA2553 User's Guide
Figure 24. Basics ∑RMS INRUSH φA display __________________________ 36
Figure 25. Basics ∑RMS INRUSH ∑φABC display ______________________ 37
Figure 26. Basics ∑RMS INTEGRATED φA display with callouts___________ 37
Figure 27. Basics ∑RMS INTEGRATED ∑φABC display _________________ 37
Figure 28. Basics ∑RMS INTEGR AVG φA display______________________ 37
Figure 29. Basics ∑RMS INTEG AVG ∑φABC display ___________________ 38
Figure 30. Basics DC MEAS φA display_______________________________ 38
Figure 31. Basics DC MEAS ∑φABC display___________________________ 38
Figure 32. Basics DC INRUSH φA display_____________________________ 38
Figure 33. Basics DC INRUSH ∑φABC display _________________________ 39
Figure 34. Basics DC INTEGRATED φA display________________________ 39
Figure 35. Basics DC INTEGRATED ∑φABC display ____________________ 39
Figure 36. Basics DC INTEG AVG φA display__________________________ 39
Figure 37. Basics DC INTEG AVG ∑φABC display______________________ 39
Figure 38. Basics FUND φA display with callouts________________________ 40
Figure 39. Basics FUND ∑φABC display ______________________________ 40
Figure 40. Basics ∑HARMS φA display with callouts_____________________ 40
Figure 41. Basics ∑HARMS ∑φABC display ___________________________ 41
Figure 42. Harmonics Bargraph φA, VOLTS % Log display________________ 41
Figure 43. Harmonics φA VOLTS ABS Lin display ______________________ 41
Figure 44. Harmonics Bargraph φA, VOLTS ABS Log display______________ 42
Figure 45. Harmonics Bargraph φA, VOLTS % Lin display ________________ 42
Figure 46. Harmonics Bargraph φA, AMPS % Log display_________________ 42
Figure 47. Harmonics Bargraph φA, AMPS ABS Lin display _______________ 42
Figure 48. Harmonics Bargraph φA, AMPS ABS Log display_______________ 42
Figure 49. Harmonics Bargraph φA, AMPS % Lin display _________________ 43
Figure 50. Harmonics List φA, ABSOLUTE display______________________ 43
Figure 51. Harmonics List φA, PERCENTAGE display ___________________ 43
Figure 52. Harmonics List φA, PHASE display__________________________ 44
Figure 53. Harmonics List φB, PHASE display__________________________ 44

Figures 9
Figure 54. Waveforms V&A CONT φA display with callouts _______________ 44
Figure 55. Waveforms V&A CONT φB display _________________________ 45
Figure 56. Waveforms V&A CONT φC display _________________________ 45
Figure 57. Waveforms V&A CONT ∑φABC display _____________________ 45
Figure 58. Waveforms V&W CONT φA display_________________________ 45
Figure 59. Waveforms V&W CONT ∑φABC display _____________________ 45
Figure 60. History VOLTS φA RMS display with callouts _________________ 46
Figure 61. History VOLTS ∑φABC RMS display________________________ 46
Figure 62. History VOLTS φA PEAK display___________________________ 46
Figure 63. History VOLTS ∑φABC PEAK display_______________________ 46
Figure 64. History VOLTS φA THD display____________________________ 47
Figure 65. History VOLTS ∑φABC THD display________________________ 47
Figure 66. History AMPS φA RMS display_____________________________ 47
Figure 67. History AMPS ∑φABC RMS display_________________________ 47
Figure 68. History AMPS φA PEAK display____________________________ 47
Figure 69. History AMPS ∑φABC PEAK display________________________ 48
Figure 70. History AMPS φA THD display_____________________________ 48
Figure 71. History AMPS ∑φABC THD display_________________________ 48
Figure 72. History WATTS φA display________________________________ 48
Figure 73. History WATTS ∑φABC display____________________________ 48
Figure 74. History VAR φA display __________________________________ 49
Figure 75. History VAR ∑φABC display ______________________________ 49
Figure 76. History PF φA display ____________________________________ 49
Figure 77. History PF ∑φABC display ________________________________ 49
Figure 78. Phase A Basic Measurement printout_________________________ 53
Figure 79. Total Basic Measurements printout __________________________ 54
Figure 80. Phase A Current Harmonics Barchart graphic printout_____________ 55
Figure 81. Phase A Current Harmonics Barchart nongraphic printout__________ 56
Figure 82. Phase B Harmonics Data List printout_________________________ 57
Figure 83. Phase A Waveforms graphic printout_________________________ 58

10 PA2553 User's Guide
Figure 84. Phase A Volts and Current Waveforms nongraphic printout________ 59
Figure 85. Phase B Waveforms graphic printout _________________________ 60
Figure 86. Waveforms Volts, Amps, Power graphic printout________________ 61
Figure 87. Phase A Current Level History graphic printout _________________ 62
Figure 88. Phase A Current Level History nongraphic printout ______________ 63
Figure 89. Setup Index screen with Current Inputs selected_________________ 65
Figure 90. Input Selection selected ___________________________________ 66
Figure 91. Calibration selected ______________________________________ 66
Figure 92. DC Zero Date selected____________________________________ 66
Figure 93. Calibration selected ______________________________________ 68
Figure 94. Calibration Date selected __________________________________ 68
Figure 95. Open Circuit Point _______________________________________ 68
Figure 96. Open Circuit Point Zero Readings ___________________________ 69
Figure 97. Voltage Point initial display ________________________________ 69
Figure 98. Internal Voltage Point display ______________________________ 70
Figure 99. External Voltage Point Phase A _____________________________ 70
Figure 100. External Voltage Point Phase B ____________________________ 71
Figure 101. External Voltage Point Phase C ____________________________ 71
Figure 102. Internal Current Cal Point display___________________________ 72
Figure 103. Load "A" Current Cal Point display _________________________ 72
Figure 104. Load "B" Current Cal Point display _________________________ 73
Figure 105. Load "C" Current Cal Point display _________________________ 73
Figure 106. Internal Current Calibration Completion display________________ 74
Figure 107. External Transducer A Current Cal Point display _______________ 74
Figure 108. External Transducer B Current Cal Point display _______________ 74
Figure 109. External Transducer C Current Cal Point display _______________ 75