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KBR18S

KBR18S首页预览图
型号: KBR18S
PDF文件:
  • KBR18S PDF文件
  • KBR18S PDF在线浏览
功能描述: Relay for Energy Flow EFR3000 Optimization of consumption of own energy Zero Export Device, measuring transducer for power
PDF文件大小: 855.35 Kbytes
PDF页数: 共3页
制造商: ZIEHL[ZIEHL industrie-elektronik GmbH + Co KG]
制造商LOGO: ZIEHL[ZIEHL industrie-elektronik GmbH + Co KG] LOGO
制造商网址: https://www.ziehl.com
捡单宝KBR18S
PDF页面索引
120%
111
ZIEHL industrie-elektronik, 74523 Schwäbisch Hall, Germany, +49 791 504-0, info@ziehl.de, www.ziehl.de
Consumption [kW]
4:00 6:00 8:00 10:00 12:00 14:00 16:00 18:00 20:00 22:00 Time
to the grid provider and the price the provider pays for
fed in energy.
Functions:
Shift own consumption into times with high gene-
ration of energy
Switch on consumers when you have overow of
energy
Increase the share of consumed own energy
intelligent control of consumers
Cheap equipment costs ensure a short payback period:
Save € 312 * a year with the EFR3000 by switching on
at 200 days a year
for an average 3 hours
consumers with 4 kW
in times you have a surplus of own energy.
Equipment costs (EFR 3000, 3x current transformer, if necessary contactors) are returned
within less than 2 years*.
Longer / shorter switch on times and larger / smaller consumption shorten / extend
the period. In addition, in the long term rising purchase prices for energy can be expected.
* Feed 12 Ct / kWh, electricity purchase price 25 Ct / kWh
Relay for Energy Flow EFR3000
Optimization of consumption of own energy
Zero Export Device, measuring transducer for power
2017-09-19
Relays for energy ow EFR3000
monitor the current ow between
public power grid and generating
plant / consumer.
When the own power plant gene-
rates more power than actually is
consumed it often is more eco-
nomical to consume the excess
energy self. This is especially
reasonable when the dierence
is high between the price you pay
The EFR measures the energy ow
in all 3 phases and calculates the
mean value.
Is sucient own power left, the
EFR3000 switches on up to three con-
sumers and ensures that the power
is consumed in the house. Potential
consumers are e.g. air conditioners,
boilers or battery chargers but also
washing machines, dryers, etc ... .
This is relatively simple if a PV system
feeds uniformly under a clear sky
and consumers with constant power
consumption, such as heat pumps
or heating elements, are connected.
Particularly suitable are consumers
that consume a lot of energy and can
be switched frequently, for example
boilers.
It becomes more complicated when
the generation varies because of
clouds before the sun and consumers
do not continuously draw current as
washers, dryers, irons or stoves.
The analog output can regulate a
consumer stepless and thus achieve
a yet higher rate of own consumption.
When using phase angle controls the
specications of the grid providers
have to be obeyed.
Energy ow is always evaluated
and displayed, as seen from a po-
wer meter for purchasing energy:
purchase from public grid is positive,
fed in energy reduces the bill and is
therefore negative (- sign).
The EFR3000 can optimize the con-
sumption of own energy even under
dicult conditions.
To achieve this the following parameters can be set
Switching of up to 3 consumers: the largest consumer, ranked 1-2-3 or combination of
3 consumers (7 levels)
Power consumption of the connected consumers
Switch on points. At which energy ow consumers are switched on
Switch on delay of consumers. Short lowering in consumption (by clocking consumers)
or peaks in the feed does not immediately cause turn on of additional consumer
Minimum on time. Heat pumps may not be switched on and o permanently, washing
machines should be able to complete a cycle.
Switch o delay. Short consumption peaks or reduction of the generated energy does
not immediately switch o a load.
Switch o point. At which energy ow consumers are switched o again. In practice,
this value is usually slightly on the purchase side.
Inputs for blinding out consumers when these are not available, for example when boiler
has reached maximum temperature.
Relay for Plants for Generation of own Energy
Feed in
Heat pump
Examples additional consumption with EFR3000Energy Flow:
Purchase
Own consumption without EFR3000 Air conditioner
Heater for water, regulated
Heater for water, not regulated
2
EFR3000
Part number: S225760
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