Santosh Transformers India Automatic Voltage Controller Voltage Stabilizer Power Rectifier
Santosh Enterprises Ludhiana Punjab India
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STABILIZER

Products

Voltage fluctuation is a common phenomenon in every part of the INDIA. The industry in country, usually face the problem of low and high voltage . 90% of industrial load is of motors as every machine may contain one or more motors. In this situation, Electric motors faces considerably high current at low & high voltage. This higher current affects the electrical motors (Particularly smaller capacity motors upto 7.5 H.P.) in three Phases:
1. Higher current produces higher losses in electrical motors which causes premature failure of   winding.
2. These higher losses of electric motors also increase the losses of cables, switches, transformers and others associated equipments.
3. For smooth continuous operation of motors, overload relays are usually set at 20% higher setting.
 
ADVERSE EFFECTS OF SINGLE PHASING
The Line current increase by 1.5 times.
If the relay setting is at 15-20% higher than actual operating current than the relay will take 4-6 minutes to trip.

The motor (particularly smaller capacity motors upto 7.5 H.P) cannot withstand this high current for such a long time  and in most of the cases it burns out before the relay trips.
Heavy short circuits current flows through the relays, contactors, cables etc.
Under this condition when the relay, contactor trips, they produce sparks and some times bursts.
  This further damages the switchgear and in some of the cases may cause fire also. 
SERVO TRANSFORMER
 

INNER VIEW OF SERVO TRANSFORMER

   
   

LOSS COMPARISON OF SANTOSH MAKE REGULATOR AND CONVENTIONAL MAKE REGULATOR

CAPICITY POWER MAKE ROLLER TYPE REGULATOR LOSSES CONVENTIONAL MAKE CARBON BRUSH TYPE DIMMERSTAT LOSSES
60 A 575 W 1050 W
75 A 730 W 2055 W
100 A 900 W 3105 W
Regulator

                                                                                                                          Close view of Regulator

 
The table below compares the behaviour of 5H.P. motor at different voltage:
Input
Voltage
Current KVA PF
400 7.5 5.2 0.8
425 11% More 18% More 0.7
435 19% More 28% More 0.61
445 26% More 38% More 0.57
The table below compares the behaviour of 60 Watt lamp at different voltage:
Voltage Current Watts Luminous
Instensity
Life in Hours
230 0.26 60 W 710 1000
240 0.27 65 W - 8.3% More 820 575
250 0.28 70.6 -17.6% More 943 338
260 0.29 75.4  - 25.6  More 1073 200
270 0.31 83.4 - 39% More 1213 100

 

[ Stabilizer ]          [ Rectifier  ]         [  HT Transformer  

Note : Approximate General Trend of Voltage during 24 hours / Day

Voltage

Voltage

Voltage

Voltage

Voltage

Voltage

09.00 AM-12.00 Noon

12.00 Noon-14.00 PM Lunch Hours

14.00 PM - 18.00 PM

18.00 PM -22.00 PM Peak Hours Restriction

22.00PM - 05.00 AM

05.00AM - 09.00 AM

Santosh Enterprises are the manufacturers of quality Automatic Voltage Controllers & Rectifiers and products like Voltage Stabilizer, Power Rectifier, Servo Voltage Stabilizer Single & Three Phaze, Automatic Voltage Controller, Automatic Voltage Regulators, Industrial Transformers, Welding Sets, CVT's, Special Purpose Transformers in punjab, jammu & kashmir, himachal pradesh, hp, hryana, noida, uttar pradesh

 

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