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Installation, Operation and Service Manual

LKP Series

© 2016 DynAmp, LLC

Page 37

041749 K

8. RELATED TECHNICAL BULLETINS

The following is a list of available technical bulletins that contain relevant information in
regards to high current measurements and the use of LKP systems. The technical
bulletins are available upon request from DynAmp, LLC. Always consult the factory for a
list of the latest technical bulletins.

TABLE 8.1

TECHNICAL BULLETIN LIST

Number

SUBJECT

Title / Description

9908

External Fields Resolving External Magnetic Field Errors (replaces

TEC727)

9907

LKP / LKB

LKP and LKB Sensor Mounting Guidelines and Restrictions

9905

LKP / LKB

Recommended Calibration Intervals for LKP or LKB High
Current Systems

9904

Diagnostics

Self Diagnostics for DynAmp High Current Measurement
systems (Accuracy Diagnostics)

987

LKP / LKB

Ferromagnetic Materials near LKP or LKB High Current
Measurement Systems

749

Bus Analysis

Computer Analysis of Measuring Head Locations In High
Current Measurement systems

748

LKP / LKB

Guidelines for locations of LKP or LKB High Current
Systems Heads on Busses

747

kWH

Volt-hours times Ampere-Hours is NOT equal to Watt-
hours

941

Bus Analysis

Data required for Bus Analysis of High Current
Measurement Systems

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Содержание LKP-180

Страница 1: ...e 1 614 871 6900 www dynamp com Grove City Ohio 43123 USA Fax 1 614 871 6910 help dynamp com MODEL LKP 180 LKP 300 LKP 400 DIRECT CURRENT METERING SYSTEMS Installation Operation and Service Instructio...

Страница 2: ...Installation Operation and Service Manual LKP Series 2016 DynAmp LLC Page 041749 K ii This Page is Intentionally Blank...

Страница 3: ...d of warranty repair correction will be determined by DynAmp at DynAmp s sole option Such warranty repair shall constitute a fulfillment of all DynAmp LLC liabilities in respect to said items and comp...

Страница 4: ...Installation Operation and Service Manual LKP Series 2016 DynAmp LLC Page 041749 K iv This Page is Intentionally Blank...

Страница 5: ...provided within DynAmp does not assume liability for the customer s failure to comply with the rules and requirements provided in this manual GENERAL HAZARDOUS VOLTAGE This equipment is designed to be...

Страница 6: ...Installation Operation and Service Manual LKP Series 2016 DynAmp LLC Page 041749 K vi This Page is Intentionally Blank...

Страница 7: ...November 12 00 GMT to 21 00 GMT Europe Telephone 41 22 706 1446 Fax 41 22 706 1311 8 30 AM to 5 00 PM Central European Time From last Sunday in October to last Sunday in March 7 30 GMT to 16 00 GMT F...

Страница 8: ...Installation Operation and Service Manual LKP Series 2016 DynAmp LLC Page 041749 K viii This Page is Intentionally Blank...

Страница 9: ...03 00 i 7 34 Rev D Warranty paragraph in Installation for OP s check Spare Parts 08 00 27 34 Rev E Updated Accuracy Diagnostics Spare Parts sections 02 02 iii 7 Rev F Updated Warranty and Installatio...

Страница 10: ...Installation Operation and Service Manual LKP Series 2016 DynAmp LLC Page 041749 K x This Page is Intentionally Blank...

Страница 11: ...11 5 4 MAGNETIC CONSIDERATIONS MEASURING HEAD 12 5 5 HEAD INSTALLATION 13 5 6 COMPLETING THE HEAD INSTALLATION 15 5 7 METERING UNIT INSTALLATION 18 5 8 METERING UNIT WIRING 19 5 9 INITIAL SYSTEM CHEC...

Страница 12: ...gure 5 4 Setting The Upper Head Half On The Lower Half 15 Figure 6 1 Magnetic Null Detector Diagram 25 Figure 6 2 Functional Diagram of Four Channel System 26 Table 4 1 LKP Series 16 Channel Specifica...

Страница 13: ...ad Make sure that the cables are disconnected from the head during installation The Measuring Heads are supplied with connector covers which must be used whenever the head cables are disconnected from...

Страница 14: ...in intermittent operation and premature failure and will void the warranty Metering Unit covers must be present or when equipped enclosure doors must remain closed at all times during operation to in...

Страница 15: ...ontainer or crate must provide adequate protection from precipitation rain snow ice and direct water contact Adequate shelter must be provided to prevent the accumulation of precipitation rain snow ic...

Страница 16: ...Installation Operation and Service Manual LKP Series 2016 DynAmp LLC Page 4 041749 K This Page is Intentionally Blank...

Страница 17: ...r on a platform 3 3 METERING UNIT The Metering Unit is housed in a standard NEMA type enclosure An IP54 upgrade is available In addition to the electronic circuitry housed within four modular units th...

Страница 18: ...aled per customer order typically 1V FS 3 A current output of 1 Adc per 5 kA of bus current 4 A normally open N O contact for the Metering Unit over temperature alarm rated at 120 Vac 6 A 5 A normally...

Страница 19: ...or Limits 0 02 of full scale plus zero error Temperature Sensitivity 0 002 C Line Voltage Sensitivity 0 001 V 120V ac 0 0005 V 240V ac Measuring Head To Bus Isolation 12kVac for 1 minute with 25mm air...

Страница 20: ...nsions in mm LKP 180 Measuring Head Version 1 59 4 1508 H x 93 2 2368 W LKP 180 Measuring Head Version 2 83 8 2116 H x 83 3 2116 W LKP 300 Measuring Head Version 1 76 4 1939 H x 123 3123 W LKP 300 Mea...

Страница 21: ...ment of similar size and weight They should also be familiar with the technical terms warnings and instructions in this manual and all plant safety rules and be able to follow these The complete syste...

Страница 22: ...top half should be used for attaching other anti tipping brackets No additional drilling of the head is authorized as damage may result E When mounted the two head halves of the head should be in the...

Страница 23: ...h frequent fluctuations The following precautionary measures must be taken to prevent damage and risk of shock Best option is to leave the cables connected between Metering Unit and Measuring Head Eve...

Страница 24: ...subtractive vector is larger than the vector set up by the bus current being measured the channel current will go to zero and try to reverse Since the LKP amplifiers can pass current in the forward d...

Страница 25: ...them If the head is to be installed on a T section of the bus it should be located a minimum distance of 4a from the joining point a maximum aperture dimension Figure 5 2 General Guidelines for Locati...

Страница 26: ...The Lower Head Half Upright 4 Assemble the top half using the A1 A2 quarters 5 Set the upper half onto the lower half as shown in Figure 5 4 The torque specs on assembly bolts used on the head are as...

Страница 27: ...that it fits to the proper head cable The cable connectors are also labeled 5 6 COMPLETING THE HEAD INSTALLATION With the head temporarily installed and bus current off or the head removed from the b...

Страница 28: ...Cable The resistance values shown in the table are for readings obtained with cable disconnected from the Metering Unit Split channels 1 5 9 and 13 for will read half the resistance values listed in...

Страница 29: ...l 1 4 2 3 240 550 240 550 240 550 Hall Signal Channel 1 4 5 240 550 240 550 240 550 Hall Signal Channel 2 6 7 240 550 240 550 240 550 Hall Signal Channel 3 8 9 240 550 240 550 240 550 Hall Signal Chan...

Страница 30: ...ignal Channel 12 CABLE TO B2 Quarter of Head 95 86 20 24 15 18 11 15 Coil Circuit Channel 13 B2 96 87 10 12 7 5 9 5 5 7 5 Coil Circuit Channel 14 97 88 10 12 7 5 9 5 5 7 5 Coil Circuit Channel 15 98 8...

Страница 31: ...coils Therefore the cables must be disconnected from the head while wiring them to the Metering Unit Complete the wiring job by connecting the external power lines to terminals TS3 3 NEUTRAL TS3 2 PH...

Страница 32: ...balance of the channel loading of 130 assuming one half of the head is operating at 30 above nominal rating and the other half is at 30 below nominal A channel failure will usually be indicated by eit...

Страница 33: ...be achievable on the larger systems running at full capacity In some cases a channel fuse might blow if the channel voltage is above the maximum unbalanced voltage In those cases the head will have to...

Страница 34: ...o prevent possible buildup of a conductive dust path between them Using the initially recorded channel data move the head position as necessary or desirable observing the above precautions Make spot r...

Страница 35: ...the channel voltages may vary widely with temperature extremes the accuracy will remain unaffected so long as each channel voltage falls within the acceptable limits as shown in table 5 2 Channel volt...

Страница 36: ...Installation Operation and Service Manual LKP Series 2016 DynAmp LLC Page 24 041749 K This Page is Intentionally Blank...

Страница 37: ...ns many magnetic sensors and feedback coils Each set of sensors and the adjacent coils plus the associated amplifying section of the Metering Unit is termed a channel Each channel responds nearly inde...

Страница 38: ...ely by summing the independent feedback currents It I1 I2 I3 I4 Therefore the bus current is equal to 5000It Moving the Measuring Head with respect to the bus will cause the values of the individual f...

Страница 39: ...d in the remaining paragraphs 6 6 POWER SUPPLIES The LKP module contains a 15 Vdc power supply which powers only the on board circuitry The first module in the Metering Unit also referred to as Module...

Страница 40: ...rmer drivers consist of U203 U204 and associated circuitry A pulse train signal is sent into the drivers pin 2 and 1 of U203 for channel 1 These drivers are open collector outputs which drive the puls...

Страница 41: ...t low levels is most likely to occur if the metering system is associated with one of several rectifiers in the area The AD outputs indicate the present condition having only a short time delay from a...

Страница 42: ...reverse one or more channels in the head The accuracy indicators will show an error in those channels until the bus current level rises high enough to effectively turn on all channels 2 3Vdc is the m...

Страница 43: ...high accuracy performance Use appropriate measures to correct any problems found A Repeat voltage measurements given in Magnetic Centering procedure to ensure that no significant change has occurred...

Страница 44: ...olytic fluid Replace if necessary K If the unit is equipped with a cooling fan and filter then the filter should be cleaned or replaced according to the manufacturer instructions CAUTION To avoid the...

Страница 45: ...be ordered Since continuous operation of high current measurement systems is usually critical stocking spare parts should be given high priority A single module A kept on hand can be used to replace...

Страница 46: ...314 1 Accuracy diagnostics PCB 4 Channel main board 3 used 40355 1 For one to five units stock the quantities shown For six or more units a complete system head cable and Metering Unit should be kept...

Страница 47: ...vember 12 00 GMT to 21 00 GMT Europe Telephone 41 22 706 1446 Fax 41 22 706 1311 8 30 AM to 5 00 PM Central European Time From last Sunday in October to last Sunday in March 7 30 GMT to 16 00 GMT From...

Страница 48: ...Installation Operation and Service Manual LKP Series 2016 DynAmp LLC Page 36 041749 K This Page is Intentionally Blank...

Страница 49: ...rnal Magnetic Field Errors replaces TEC727 9907 LKP LKB LKP and LKB Sensor Mounting Guidelines and Restrictions 9905 LKP LKB Recommended Calibration Intervals for LKP or LKB High Current Systems 9904...

Страница 50: ...Installation Operation and Service Manual LKP Series 2016 DynAmp LLC Page 38 041749 K This Page is Intentionally Blank...

Страница 51: ...ing LKP 300 Measuring Head version 2 02D108118 Outline and Mounting LKP 400 Measuring Head version 1 02D108150 Outline and Mounting LKP 400 Measuring Head version 2 02D108151 Assembly TM 30 TM 50 Moun...

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