Smart Grid - IIT Mandi
Smart Grid - IIT Mandi
Smart Grid - IIT Mandi
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Voltage Problems at LV Distribution<br />
Infeed by Decentralized Power Producers<br />
Voltage<br />
increase due to<br />
direct power infeed<br />
U max<br />
+10 %<br />
230 V<br />
U min<br />
-10 %<br />
Overvoltage caused by<br />
local power producers<br />
<strong>Smart</strong> IED<br />
SICAM 1703 emic<br />
<strong>Smart</strong> IEDs are monitoring the voltage level and<br />
will control the distribution transformer accordingly<br />
Keeping the voltage within the limits given by the norm<br />
Dynamic parameters<br />
Unsynchronized load<br />
Decentralized infeed<br />
Static parameters<br />
Network impedance<br />
EN50160<br />
Power<br />
quality!<br />
LV<br />
Network<br />
Reduction of side effects due to<br />
improved power quality<br />
Improved power efficiency<br />
for decentralized infeed<br />
<strong>Smart</strong> <strong>Grid</strong> Division<br />
© Siemens AG 2011. All rights reserved.<br />
Infrastructure & Cities Sector
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