IEEE Electrification Magazine - June 2016 - 24

PV
Panels

WT
ac

Private
Apartments

dc

WT
Converter

PV
Converter

dc

dc

Kitchen Appliances
(High Power Loads)
230 VAC
Lights and
Electronics Devices
(Low Power Loads)

Private
Apartments

Kitchen Appliances
(High Power Loads)
230 VAC

LVac
Distribution
Grid

Lights and
Electronics Devices
(Low Power Loads)

ac

+VDC

Building's
Common
Facilities

dc

ac

dc

dc

dc
dc

dc

ac

G

0 V,
3 × 400 V + N

dc

Elevator

ESS

EV Charging
Post

Microchip

Figure 3. A schematic of a hybrid ac/dc distribution system for building/residential applications.

of several MG clusters. The interconnection of MG
clusters is an applicable concept for LVdc distribution
between buildings, where the power exchanges
between the different systems can be controlled by
controlling the local voltage set points. A reconfigurable topology is used when the system requires
higher reliability and flexibility during faults and
maintenance periods. It usually consists of a mesh or
ring distribution system, in which intelligent electronic devices (IEDs) are able to connect and disconnect

24

I E E E E l e c t r i f i c ati o n M agaz ine / j un e 2016

sections of the mesh or ring. All of the elements connected to the ring are bidirectional. When a fault is
detected, the IEDs disconnect the faulty area, allowing
normal operation in the unaffected areas. Furthermore, a modified scheme is the zonal configuration in
which each element is connected to different buses in
a redundant system. The element can be fed by either
one of the distribution buses, and when one bus gets
compromised, the elements can switch to the remaining healthy bus.



Table of Contents for the Digital Edition of IEEE Electrification Magazine - June 2016

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IEEE Electrification Magazine - June 2016 - Cover3
IEEE Electrification Magazine - June 2016 - Cover4
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http://www.nxtbook.com/nxtbooks/pes/electrification_march2015
http://www.nxtbook.com/nxtbooks/pes/electrification_june2015
http://www.nxtbook.com/nxtbooks/pes/electrification_september2015
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http://www.nxtbook.com/nxtbooks/pes/electrification_june2014
http://www.nxtbook.com/nxtbooks/pes/electrification_september2014
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