8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
1/20
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
_________________________________________________________________________________________________________________
T!"#$!% '!$$!%*$+# + - P"%' '*%*$! E#/ F01%/234
M*' (LCD 5$*" P+*) + %$!%*$+# $# D$'*$01*$+# S/'*6 7R4
P% - + 83
8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
2/20
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!+
8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
3/20
TECHNICAL SPECIFICATION FOR 3 PHASE 4 :IRE STATIC :ATTHOUR METER
FOR L T CUSTOMERS
1.0 APPLICATION T,** P#-* F%(, ;!,* STATIC WHOLE CURRENT
M* + 6%'1$# %*#%*$# !1#* !*$!% %!*$
#/ $# 0%%#!< %#< 1#0%%#!< +%
8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
4/20
4.5 V+*% V%$%*$+# A' IS -9>>;
APPLICATION F+
8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
5/20
4.8.2 MANUFACTURING
PROCESS, ASSEMBLY AND
TESTING
M*' '"% 0 6%#1%!*1< 1'$# %*'* %#< ?'*%* + *"
%*2 *!"#++/ %#< 6*"+
8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
6/20
8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
7/20
4.13 REAL TIME INTERNAL
CLOCK OF ENERGY METER
M%$616 + 83
8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
8/20
4.18 INDICATIONS E#/ M* '"% "% *'* +1*1*, %!!''$0 +6 *"
+#*, %#< 0 !%%0 + 0$# 6+#$*+< 5$*" '1$*%0
*'*$# 1$6#* 5"$ $# +%*$+# %* '$*.
R'+1*$+# + *" *'* +1*1* , ANNE G-3.
A */' + *%6' + 5"$!" 6* $' 6%
8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
9/20
*" %0+ $+
8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
10/20
5.0 TYPE TESTS
5.0.1 F+ B%'$! E#/ M*
$) T" 6* +< '"+1< "% '1!!''1/ %''< % */
*'*' >;.
$$) A
8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
11/20
7.0 QUALIFYING
REQUIREMENTS
N+* U*$$*$' 6%/ $ *+ %
8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
12/20
$) S*% $#'!*$+# + +
8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
13/20
A##1
App!"#$!%& '(!)* +%, (-*,- %+ $!- -p*"!+!"#$!%& /A&&*(,* I
1' The specification does not contain constructional details and methods of sealing of the meter bo-
and the terminal si+es required for the Purchasers incomer cables' These may be added suitably
as per the requirements of individual users' uantities of meters required with . without meterbo-es ( *ef' $lause /'0 of the specification needs to be specified in the Bill of uantities in the
IT specifications'
"' The IT specification shall suitably incorporate the appropriate ualifying *equirements as per
$lause 2 of the specification considering the quantity of meters intended to be procured'
/' The IT specifications shall also stipulate the specific name plate mar3ings required by the
Purchaser'
_________________________________________________________________________________________________________________
T!"#$!% '!$$!%*$+# + - P"%' '*%*$! E#/ F01%/234
M*' (LCD 5$*" P+*) + %$!%*$+# $# D$'*$01*$+# S/'*6 7R4
P% -9 + 83
8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
14/20
I&)!"#$!* %($!&* (#!$ #--(,#&"* p#& +%, -$#$!" *&*, *$*, A&&*(,* IIS.
N%.
B%($ O($
M#$*,!#
C#,#"$*,!-$!" C#--!+!"#$!%& Tp* %+ C*"< =(#&$( R*+*,*&"*
D%"(*&$
A""*p$#&"*
N%,
F%,#$ %+
C*"< R*"%,)
R*#,
8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
15/20
H%*
8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
16/20
-- MOV F1#!*$+#% M%+ E!*
M%O$$#
M%$# M%+ V$'1%
S+
8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
17/20
T%#'$'*+C"%%!*$'*$!'
C$*$!% E!*
M%$# M%+ V$'1%
S+
8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
18/20
S1%! F$#$'" M%+ V$'1%
T%
8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
19/20
C$6%*$! I#1#! M%+ M!"
S1 I661#$*/T'*
M%+ E!*
E!*+'*%*$!D$'!"%
M%+ E!*
E!* F%'* T%'$#* M%+ E!*
8= P%!%$#6%*$%
D$6#'$+#' C$*$!% M%'16#*
P% G%66% C$*$!% M%'16#*
N+. + P/ C$*$!% C+1#*$#
N+. + S*% M%+ C+1#*$#
B1'*$# S*%#*" M%+ M!"
_________________________________________________________________________________________________________________
T!"#$!% '!$$!%*$+# + - P"%' '*%*$! E#/ F01%/234
M*' (LCD 5$*" P+*) + %$!%*$+# $# D$'*$01*$+# S/'*6 7R4
P% -; + 83
8/11/2019 20040715_final Draft 3 Phase Lt Consumer Meter-lcd-may 2005
20/20
_________________________________________________________________________________________________________________T!"#$!% '!$$!%*$+# + 9 P"%' 4 W$ S*%*$! E#/ M*' J%#1%/2 8334
(LCD ) + %$!%*$+# $# D$'*$01*$+# S/'*6
P% 83 + 83