20040715_final draft 3 phase lt consumer meter-lcd-may 2005

8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005

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APDRP PROJECTS

STANDARD

TECHNICAL SPECIFCATION

FOR

THREE PHASESTATIC ENERGY METERS

(WITH LIQUID CRYSTAL DISPLAY & OPTICAL PORT)

FOR

L T CONSUMERS

Prepared By

TASK FORCE ON STANDARD SPECIFICATIONS

FOR APDRP PROJECTS

CONSTITUTED UNDER IEEMA FORUM

BY

MINISTRY OF POWER, GOVT. OF INDIA

_________________________________________________________________________________________________________________

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TABLE OF CONTENTS

1.0 APPLICATION........................................................................................................................................9

2.0STANDARDS TO WHICH METERS SHALL COMPLY.....................................................................9

3.0 LOCATION.............................................................................................................................................9

4.0 GENERAL TECHNICAL REQUIREMENTS........................................................................................94.1 TYPE...................................................................................................................................................9

4.2 SYSTEM FREQUENCY.....................................................................................................................9

4.3 ACCURACY CLASS..........................................................................................................................9

4.4REFERENCE SECONDARY VOLTAGE..........................................................................................9

4.5 V+*% V%$%*$+#..................................................................................................................................4

4.6 CURRENT RANGES..........................................................................................................................4

4.7POWER FACTOR RANGE................................................................................................................4

4.8.1 DESIGN............................................................................................................................................4

4.8.2 MANUFACTURING PROCESS, ASSEMBLY AND TESTING....................................................:

4.9 DISPLAYS...........................................................................................................................................:

4.;.- M* %

4.17 LOAD SURVEY CAPABILITY AND TREND PLOT.....................................................................>

4.18 INDICATIONS..................................................................................................................................@

4.19 COMMUNICATION FACILITIES & STANDARDS......................................................................@4.20 TAMPER & FRAUD 7 C+6$%#!, M+#$*+$# %#< R!+


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TECHNICAL SPECIFICATION FOR 3 PHASE 4 :IRE STATIC :ATTHOUR METER

FOR L T CUSTOMERS

1.0 APPLICATION T,** P#-* F%(, ;!,* STATIC WHOLE CURRENT

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APPLICATION F+


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4.8.2 MANUFACTURING

PROCESS, ASSEMBLY AND

TESTING

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4.13 REAL TIME INTERNAL

CLOCK OF ENERGY METER

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4.18 INDICATIONS E#/ M* '"% "% *'* +1*1*, %!!''$0 +6 *"

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5.0 TYPE TESTS

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7.0 QUALIFYING

REQUIREMENTS

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A##1

App!"#$!%& '(!)* +%, (-*,- %+ $!- -p*"!+!"#$!%& /A&&*(,* I

1' The specification does not contain constructional details and methods of sealing of the meter bo-

and the terminal si+es required for the Purchasers incomer cables' These may be added suitably

as per the requirements of individual users' uantities of meters required with . without meterbo-es ( *ef' $lause /'0 of the specification needs to be specified in the Bill of uantities in the

IT specifications'

"' The IT specification shall suitably incorporate the appropriate ualifying *equirements as per

$lause 2 of the specification considering the quantity of meters intended to be procured'

/' The IT specifications shall also stipulate the specific name plate mar3ings required by the

Purchaser'

_________________________________________________________________________________________________________________

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_________________________________________________________________________________________________________________

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20040715_final draft 3 phase lt consumer meter-lcd-may 2005

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