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国家电网智能电能表的低功耗设计.pdf
51 11 Vol.51 No.11
2014 6 10 Electrical Measurement & Instrumentation Jun.10 ,2014
1 2 1
, ,
(1.,100085; 2.,100085)
:2009 ,2013 。
,。
,,、、IC ,
,。 0.4 ~0.6W
,,,。
:;;;IC
:TM933 :B :1001 -1390(2014)11 -0028 -04
The Low-Power Consumption Design for Smart Electricity Meter
in Chinese National Power Grid Networks
1 2 1
CHEN Zhong-ping ,PEI Shi-yan ,GUO Li-guang
(1.Suzhou Galaxy Camphol Technology CO.LTD, Beijing 100085, China.
2.Beijing Seaward Electronic Corp.Limited, Beijing 100085, China)
Abstract : State Grid published the first specification of Smart Electricity Meter (SE-meter) in 2009, with some addi -
tional functions and features added in 2013.As SE-meter gains more and more popularity over the years , it has be-
come increasingly clear that the low power consumptionandhighreliabilityare becoming more andmore importantin
the operations of SE-meters.The self-power consumptions of SE-meters and the corresponding power supply circuits
have been analyzed in detail in this paper.The designs of wide voltage , high reliability and low-power consumption
linear power management IC have been adopted to improve the reliability and cost performance , so as to satisfy the
statestandardofsmartmeter.Thepowerconsumptionsduringstand -bymodearereducedto 0.4 ~0.6WperSE-meter
and the cost of ICinpowersupplycomponentofsmartmeterarereduced ,whichwillmakegreatsenseforenergysav-
ing and emission reduction as well as improve the economic benefit for power supply enterprise .
Key words:high ratio between performance and cost , energy saving , low powe
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