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Magtech Voltage BoosterPV Voltage Stabiliser

V V

Challenge: Photovoltaic (PV) power production is often limited by high voltage

in existing low voltage grids caused by high production from manyhouses

Solution: Quick and easy installation of Magtech PV Voltage Stabiliser

www.magtech.no

Dynamic - PV Voltage Stabiliser reduces and stabilises voltage changes when introducing new PV production in existing grids

Robust - smart transformer construction - no moving parts, no semiconductors in power circuit, no maintenance

Safe - no power failure at customer in case of overload or fault - PV Voltage Stabiliser automatically safely bypassed

Flexible-easy installation of PV Voltage Stabiliser - stand alone, no communication or remote control needed

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lineentryinfuture

house connection

400V

+10%

-10%

20kV

+10%

-10%

110kV

+4%

constantva

riable

distribuition cabinetsub station

control

voltage curve

low voltage

voltage curve

medium voltage

control

transformer station

load

lineentrytoday

constant

transformer

ratio =

Integration of a smart transformer station into the grid

P[W]

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27.07. 28.07. 29.07. 30.07. 31.07. 01.08. 02.08.

0

Mo Di Mi Do Fr Sa So

27.7.-2.8.2009

Frher: Nur Versorgung von Lasten

27.07. 28.07. 29.07. 30.07. 31.07. 01.08. 02.08.

0

Mo Di Mi Do Fr Sa So

27.07. 28.07. 29.07. 30.07. 31.07. 01.08. 02.08.

0

wechselhaft

sonnig

Mo Di Mi Do Fr Sa So

NS: + zyklische Einspeisung Photovoltaik

27.07. 28.07. 29.07. 30.07. 31.07. 01.08. 02.08.

0

windstill

starker

Wind

Mo Di Mi Do Fr Sa So

Energie-Lieferung

Rckspeisung

=

Geringe Strom-Abgabe,meist Rckspeisung

in die Hochspannung!

MS: + zufllige Einspeisung von Windenergie

Heute: Fluktuierender Energiefluss am Umspannwerk

+

+

Vom VER- zum ENT-Sorgungsnetz Netzlasten im lndlichen Gebiet

Source: E.ON Mitte, Germany

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