DynAmp LKAT2 Setup guide

DynAmp, LLC
3735 Gantz Road Phone [phone] www.dynamp.com
Grove City, Ohio 43123 USA Fax [phone] [email protected]
LKAT2 4PC EMC
BI-DIRECTIONAL HIGH CURRENT
MEASUREMENT SYSTEM with RECTIFIER
PROTECTION FUNCTION
Installation, Operation and Service Manual
Manual Item No. 047314
Rev. A

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DynAmp, LLC WARRANTY
Items and components manufactured by DynAmp, LLC for permanent installation are
warranted to be free from defects in material and workmanship for a period of two (2) years
from the date of shipment.
Items and components manufactured by DynAmp, LLC for portable and temporary use in
more than one location are warranted to be free from defects in material and workmanship for
a period of eighteen (18) months from the date of shipment.
Extended warranties may be available for purchase for some products. Extended warranties
are provided on a serial number by serial number basis as noted on DynAmp’s original
invoice and/or packing list.
Items and components not manufactured and resold by DynAmp, LLC are warranted by their
manufacturer.
Warranty repair shall be, at DynAmp’s option, in the form of repair or replacement of the
defective items or components. Concerning warranty repairs, DynAmp, LLC will be
responsible for DynAmp provided time, material and transportation costs (shipping or travel).
Actual method of warranty repair / correction will be determined by DynAmp, LLC at
DynAmp’s sole option. Such warranty repair shall constitute a fulfillment of all DynAmp, LLC
liabilities in respect to said items and components. In no event shall DynAmp, LLC be liable
for consequential damages.
Information in this document is subject to change without notice.
© 2018 DynAmp, LLC. All rights reserved.
Reproduction in any manner whatsoever for purposes other than installation, operation, or service by
the purchaser or end user without the written permission of DynAmp, LLC is strictly forbidden.
This manual is part of the complete set of product documentation that includes installation, operation,
and service instructions, drawings and test results. Users should evaluate the information in the
context of the complete set of product documentation and their particular applications. DynAmp, LLC
assumes no liability for any incidental, indirect, or consequential damages arising from the use of this
documentation.
While all information presented is believed to be reliable and in accordance with accepted engineering
practices, DynAmp, LLC makes no warranties as to the completeness of the information.
All trademarks used in association with LKAT2are trademarks of DynAmp, LLC.

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Table of Contents
Paragraph Title Page
DYNAMP, LLC WARRANTY ________________________________________________ iii
TABLE OF CONTENTS____________________________________________________ v
HAZARD WARNING!_____________________________________________________ vii
SAFETY ________________________________________________________________ ix
DYNAMP, LLC CUSTOMER SUPPORT & SERVICE ASSISTANCE_________________ xi
MANUAL REVISIONS ____________________________________________________ xiii
1. HANDLING AND STORAGE____________________________________________________1
2. PRODUCT DESCRIPTION _____________________________________________________3
2.1 SYSTEM OVERVIEW .............................................................................................................3
2.2 ADDITIONAL MEASURING HEAD DETAIL............................................................................ 6
2.3 ADDITIONAL METERING UNIT DETAIL................................................................................. 6
2.4 ADDITIONAL INDICATOR AND OUTPUT DETAIL................................................................. 7
2.5 MAINS POWER CABLE ASSEMBLY DETAIL ........................................................................ 8
2.6 SYSTEM OUTPUT CABLE ASSEMBLY DETAIL.................................................................... 8
3. SPECIFICATIONS____________________________________________________________9
4. INSTALLATION_____________________________________________________________13
4.1 HANDLING PRECAUTIONS................................................................................................. 13
4.2 INSTALLATION CONSIDERATIONS.................................................................................... 13
4.3 OFF-BUS FUNCTIONAL CHECK (Optional)......................................................................... 14
4.4 MEASURING HEAD INSTALLATION.................................................................................... 14
4.5 METERING UNIT..................................................................................................................16
4.6 SYSTEM CHECKOUT........................................................................................................... 16
5. THEORY OF OPERATION ____________________________________________________21
5.1 GENERAL.............................................................................................................................21
5.2 OLOP TECHNOLOGY .......................................................................................................... 21
5.3 SYSTEM FUNCTIONAL DESCRIPTION............................................................................... 22
5.4 LKAT2METERING UNIT....................................................................................................... 23
5.5 LKAT2MEASURING HEAD INTERCHANGEABILITY........................................................... 23
5.6 TROUBLESHOOTING AN ACCURACY DIAGNOSTICS FAULT INDICATION..................... 23
5.7 SYSTEM CALIBRATION OVERVIEW................................................................................... 24
5.8 CALIBRATION ADJUSTMENTS ........................................................................................... 25
5.9 FIELD CONFIGURATION OF TRIP SETPOINTS ................................................................. 26
5.10 EARTH GROUNDING...........................................................................................................28
5.11 CONFIGURING THE LOW PASS FILTER............................................................................ 28
6. MAINTENANCE & SPARE PARTS _____________________________________________29
6.1 PERIODIC MAINTENANCE.................................................................................................. 29
6.2 ANNUAL MAINTENANCE..................................................................................................... 29
6.3 SPARE PARTS.....................................................................................................................30
7. DRAWINGS________________________________________________________________31

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FIGURES, FORMS & TABLES
Figure # Title ...........................................................................................................................Page
Figure 3.1 LKAT2Frequency Response ...................................................................................11
Figure 4.1 Installation Configuration with Mounting Angles........................................................16
Form 1 LKAT2Diagnostic Measurements Form 1– Zero Primary Current................................. 18
Form 2 LKAT2Diagnostic Measurements Form 2– Energized Primary Bus.............................. 19
Figure 5.1 Block Diagram of the LKAT2System........................................................................22
Table 2.1 Main and PE PC Board Assembly Features..............................................................7
Table 3.1 LKAT2 System Specifications (subject to change without notice) .............................. 9
Table 5.1 Troubleshooting an Accuracy Diagnostics Fault Indication ....................................... 24
Table 5.2 Trip Configuration Details .........................................................................................27
Table 6.1 Spare Parts List........................................................................................................30
Table 7.1 Drawing List..............................................................................................................31

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HAZARD WARNING!
Symbol Identification:
General definitions of safety symbols used on equipment and manual.
Caution/Warning: Refer to accompanying documents for instructions.
GENERAL
All installation, maintenance and service must be performed by qualified
technicians who are familiar with the warnings and instructions of this manual.
Use of the equipment in a manner not specified by the manufacturer can impair
the protection provided within.
The enclosure cover must remain closed at all times during operation to ensure
safety of personnel. The cover may be opened using a screwdriver; however,
only authorized personnel or technicians should be allowed to open and service
the unit.
DynAmp, LLC does not assume liability for the customer’s failure to comply with
the rules and requirements provided in this manual.
HAZARDOUS
VOLTAGE
This equipment is designed to be connected to hazardous electric voltages.
Ignoring the installation precautions and warnings can result in severe personal
injury or equipment damage.
To avoid the risk of electrical shock or fire, the safety instructions and guidelines
in this manual must be followed. The electrical specifications must not be
exceeded and the unit must be installed according to directions provided.
INSTALLATION
This equipment is intended for indoor or outdoor use. It should be mounted in a
well-ventilated area, away from high heat, dust, and corrosive atmosphere. The
ambient temperature must not exceed specified limits.
For mounting considerations that fall outside the recommended specifications
provided in this manual, the factory should be contacted for approval.
This unit is rated for installation category II and pollution degree 2.

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SAFETY
The Measuring Head is designed to be installed on high voltage bus bars. All
interconnection cables must be safely routed away from bus bars and high voltages. Do not
allow any interconnection cable to contact bus bars or high voltages.
Ignoring the installation precautions and warnings can result in severe personal injury or
equipment damage. The following are general guidelines to be followed during installation,
operation and service of the Metering Unit and Measuring Head.
•All installation, maintenance and service must be performed by qualified technicians who
are familiar with the warnings and instructions of this manual.
•Always follow all local and plant safety procedures.
•The enclosure cover must remain closed at all times during operation to ensure safety of
personnel. Only authorized personnel or technicians should be allowed to open and
service the unit.
•Units are not intrinsically safe. Do not place in explosive atmospheres.
•Service must be performed by qualified technicians only. If use of an oscilloscope
becomes necessary during servicing, the scope must be floating and ungrounded or
differential probe(s) must be used. The Metering Unit is isolated from the mains via the
power transformers. If a grounded scope is used, a hazardous condition is created since
current will flow through the probe to ground.
•Use of the equipment in a manner not specified by the manufacturer can impair the
protection provided within.
•If a binding screw is used for the mains earth connection, the binding screw must be size
M4 (No. 6) or larger.
DynAmp, LLC does not assume liability for the customer’s failure to comply with the rules
and requirements provided in this manual.

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