Description of  Servo
Controlled Automatic Voltage Controller:
Servo Stablizer primarily consists of the
following:
1. Linear, plus /
minus type vertical Rolling Contact Voltage
Regulator
In our Regulator we
are using heavy section of electrolytic
rectangular copper strip instead of copper wire to
minimize the losses & increase the efficiency
of equipment. 
We are also using self lubricating Carbon Roller assemblies
instead of ordinary carbon brushes which offers
more reliability and trouble free performance of
the equipment.
2. Double Wound Buck/Boost type
Series Transformer
In our
Buck / Boost transformer we are using
CRGO lamination to minimize iron losses and coils
of Buck / Boost Transformer are wound with heavy
section of multi strips electrolytic copper to
minimize copper losses for getting better
efficiency of the equipment.
3.
Electronic Control Circuit and meter
panel Automatic Voltage
Controller consists of very simple electronic
control circuit for m
monitoring and controlling voltage, repair &
maintenance of which is very easy. The regulator
and Buck / Boost transformer are oil cooled,
housed in same or separate sheet steel tanks.
Radiators are provided for effective cooling. The
coils of voltage regulator & Buck /Boost
Transtormers are vacuum impregnated and oveQdried
as per IS.
Who Needs A
Stabilizer
The
Industrial units having acute /high failure rate
of Electrical Equipments such as bulbs, tubes,
chokes, starters, contactor coils & motors
(particularly smaller capacity motors upto 7.5
H.P.) etc. should verify that it may be due to
HIGHER VOLTAGE. You may note down hourly readings
of voltage variation for few days. If you find
that input voltage is above 230 volts single phase
/400 volts three phase even for tew hours a day,
then you definitely require a
stabilizer. Benifits Of Installing Automatic
Voltage Controller On Lighting
Load
By maintaining 365-380
/210-220 volts, Three /Single phase output through
Automatic Voltage Controller for Lighting
Load, there will be definile saving in power
bill & reduction in failure rate of lighting
equipments. Higher the input voltage - more will
be the savings. The overall effect on the
brightness of the lamp at 210 /220 volts will be
negligible.
Application
Though stabilizer are useful lor.
any kind of application, these are most suitable
for  24 hour continuous process plants where
breakdowns due to fluctuation results in heavy
financial losses. These include:
+ Cement
Plants + Flour Mills + Engineering Units +
Pharmaceutical Units + Cold Storages + Rolling
Mills + Textile Mills + Paper Mills + Tube Mills +
Rice Shellers + Rubber Industries + Tea Estates +
Food Processing Units + Oil & Vanaspati Plants
& Leather Units + Distilleries & Beverages
+ Hospitals + Nursing Homes + Clubs + Hotels +
High Rise Buildings.
Payback
Period
Owing to
its high efficiency and associated benefits, the
payback period for the cost 01 Servo
Voltage Stabilizer is from 6-12 months depending
upon the input voltage variation and number of
working hours of the plant. The HIGHER the input
voltage the SHORTER will be payback
period.
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