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Products Directory > Electronics & Electrical > Power Transformers >
Auto Transformers
Products - 62
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Auto Transformers |
Displaying 1-50 of Total 62 Products Found |
Products
Auto transformers have the capability to adapt to different voltages which makes them ideal for worldwide applications. They can be used in certain applications where the desired voltage is slightly lower or higher than the voltages supplied by the existing transformer or facility power. Auto transformers are able to boost the output to the nominal value.
Benefits : more...
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Padmavahini Transformers Private Limited, Coimbatore
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Auto transformers offered by us are available in various sizes and specifications. These are widely used for direct connection between primary and secondary circuits. Our range is suitable for varied industrial applications.
In
our range of Variable auto transformer motorized we provide different
sweep time for the speed control through the gears. These are made
from 2 amps to 300 amps in single coil and above 300 amps with ganged
coil. We also make up to 60 amps both in air cooled and oil cooled
models where as above 60 amps in oil cooled models only. The normal
output range is 0 to 270 volt in single phase and 0 to 470 volt in
two and three phases.
In
addition, as per client’s specifications, we can also offer higher
output voltage with
various feature such as voltmeter, ammeter, motorization and
enclosure. These are specially designed for educational institutions
with all terminations to be in outside. more...
We offer to our clients our extensive industry experience in the manufacturing of variable air cooled auto transformers (Variac). The use of superior technology as well as modern machinery equipment in our production processes allows us to bring in them better accuracy and longer service life. Further they are
tested as per IS standards to assure our clients of our products quality.
Manufacturing Range:
• From 2 Amp to 60 Amp (single coil) in air cooled.
Apart from this, we also manufacture dual wound variac from 500 VA to 5 KVA having 170v – 270v for the input range and 220v/230 v output range. more...
Auto-transformer are important component parts in various power supply and electric appliance, We have applied advanced technological process for transformer manufacture, such as Arrangement wire winding without bobbing, the whole transformer is impregnated under vacuum-pressure up to insulation class F or H. The input and output voltage can be designed as required. There are various dry-type transformer of single phase or three phase with delta, Y and Yo connection or special for multi-input or output is available.
The dry-type transformer have been designed and produced by our factory for 20 years. It is suitable used for electric circuit of AC 20Hz to 400Hz and voltage below 1000V, and is wide used in electric appliance for light, lift, machinery, medicine device, electro plating, rectifier and power supply etc. The specifications can be designed and satisfied for custom's special requirement.
Features and benefits:
• High level of isolation
• High more...
Our range of multi tapping auto transformers have been widely appreciated in the global market for their robust construction and latest design standards. We offer single phase and three phase solutions that are very useful for voltage and current step up or step down applications. Due to our proper tooling and winding machines, we can provide the customized range of these transformers within committed time frame.
Features: more...
We offer oil cooled motorized auto transformers that are available in the specification of oil cooled motors. These transformers are manufactured using qualitative raw material procured from reliable vendors. The entire range have gained huge acknowledgment in the industry for their exclusive features.
Specifications:
* Very high efficiency
* Good voltage regulation
* No wave from distortion
* Rugged and compact construction
* Continuous, stepless and smooth control of output
* High short time surge capacity
We manufacture an array of highly efficient auto isolation transformers. These transformer offer the advantages of smaller size, less weight, and lower cost. They can be used where a direct connection between primary and secondary circuits is not desired and the circuits must be isolated. Hence, they are greatly required throughout industries.
We present high strength variable auto transformer which is highly useful and effective device for step less, break less and have continuous control of A.C voltage. Hence it controls various other parameters which are dependent on A.C voltage. Our variable auto transformers suitable for controlling device for numerous applications in laboratories and in industrial and commercial fields.
Rating:- 4AMP to 200AMP
Salient Features: more...
The multi tap auto transformers are very useful for voltage and or current step up or step down applications. We offer single phase and three phase solutions. All units are custom designed and built to order. We have the proper tooling and winding machines to give our clients a fast turn around. more...
We present a comprehensive range of variable autotransformer which are suitable for controlling device for numerous applications in laboratories and in industrial and commercial fields. These variable autotransformer are used for continuous control of A.C voltage such as A.C. current, D.C. voltage & current intensity of light & heat and speed of D.C. motors. Our variable autotransformer are in sync with set industrial benchmarks and offered at reasonable prices.
We manufacture and provide premium quality industrial variac that is based on latest technology. Our covered variac is available in the range of 2AMP to 600AMP. Some of the salient features of our covered variac comprises of the following: more...
These are basically cooled, floor mounting construction, immersed in transformer oil, confirming to IS 335. Cores are rigidly mounted on non magnetic frame and high grade carbon brushes collect the current from side of the wingdings. Full variation of the output from 0 to max. value is available in one revolution (approximately 350°) of the handle.
Units are supplied without oil. Standard transformer oil is to be filled by the user at site.
Besides manual operation, these are also available in motor operated mode with shaft driven by a high torque low speed drive motor through a gear train. Time taken for one revolution is 15 seconds upto 100 Amp models & 30 second for above 100 amp models.
Higher timings can be provided on request.
Specifications
Standard models are made to the following specifications more...
We offer energy efficient transformers which are used by Railways, electricity Boards, Lift Manufacturing Companies, Panel Board Manufacturers.These energy efficient transformers offer low temperature rise for energy savings and longer life.
Following are dome of the features of our range of energy efficient transformers:
more...
We manufacture precision engineered auto transformers that are considered to be suitable in the applications where the difference between input and output voltage is less than 30%. These are also available with air cooled or oil cooled systems along with customization in order to meet client’s voltage problems in the existing supply network. We also offer these transformers with on-load tap changers where existing transformers are installed with off-circuit tap changers in order to provide near constant output voltages. Moreover, these can also be supplied up to 33KV class that makes it economical and rugged than voltage stabilizers. more...
Auto Transformers is another range of transformers that we offer our clients. These are manufactured using quality material and are best known for simple and rugged construction. The transformers offered by us are highly efficient and easy to operate. These are commonly used for continuous control of AC voltage. We also offer customized range of Auto Transformers as per client’s specifications and needs. For step down/up A.C. voltages For Imported Machineries. more...
We manufacture a wide array of single phase servo auto transformers that finds extensive application in various industries and have gained a great repute for their exclusive features. These are available in diverse application that can further be customized as per clients’ specification.
Specifications:
* Very high efficiency
* Good voltage regulation
* No wave from distortion
* Rugged and compact construction
* Continuous, stepless and smooth control of output
* High short time surge capacity
VARIPaC is a “Continuously variable voltage auto transformer” with many distinct advantages. It is a simple but versatile tool in the hands of engineers and technicians. It provides a steplessly variable voltage output from the fixed input voltage. In turn all the derivatives of A.C. Voltage such as A.C. Current, D.C. Voltage & current, intensity of light & heat, speed of D.C. Motors etc. can be controlled effectively.
Specifications Types and Models
VARIPaC is identified by its output current rating which remains constant throughout its operating range.
VARIPaCs are made in wide range of current and voltage suitable for 1 pH (240 V & 415 V) & 3 phase supply to cater the every need of industry. more...
Step-Up manufactures 3Ph Motor Starting Auto Transformer in air cooled as well as oil cooled construction as per requirement. Generally 60%, 70% & 80% taps are provided on Transformer. Maximum rating 1000 KW motor, 3Ph motor starting reactors are also manufactured if required.
We offer to our clients our extensive industry experience in the manufacturing of variable oil cooled auto transformers (Variac). The use of superior technology as well as modern machinery equipment in our production processes allows us to bring in them better accuracy and longer service life. Further they are
tested as per IS standards to assure our clients of our products quality.
Manufacturing Range:
• From 2 Amp to 200 Amp (single coil) in oil cooled.
Apart from this, we also manufacture dual wound variac from 500 VA to 5 KVA having 170v – 270v for the input range and 220v/230 v output range. more...
Our range of Variable auto transformer open type is made from 2 amps to 300 amps in single coil and above 300 amps with ganged coil.We also makes up to 60 amps both in air cooled and oil cooled models where as above 60 amps in oil cooled models only. The normal output range is 0 to 270 volt in single phase and 0 to 470 volt in two and three phases. We also have the facility to supply higher output voltage as per customer’s choice with any feature such as voltmeter, ammeter, motorization, and enclosure and others. Our range is designed especially for educational institutions with all terminations to be in outside.
We present high-precision variable voltage auto transformer that is simple and provide a variable voltage output from the fixed input voltage. It is very effective in controlling A.C. Voltage such as A.C. current, D.C. voltage & current intensity of light & heat, and speed of D.C. motors. These transformers confirm to IS 5142-1969 and are suitable for a wide range of current and voltage (240 V & 415 V) and 3 phase supply. These transformers are suitable for places which require a smooth voltage.
The core of the transformer is made of high grade, non aging continuous CRGO strip and carefully annealed that results in low magnetizing current and core losses. The output is linear and this transformer does not produce any distortion in the wave form. It can withstand heavy overloads of short durations such as starting currents of motors. These transformers give an uninterrupted service in tropical areas.
Specifications:
more...
We manufacture and offer variac’s in three phase and single phase variac. Our variacs are available in different capacity range including 2AMP to 600AMP. Some of the salient features of our variac three phase and single phase comprises of the following: more...
The autotransformer also known as auto former is an electrical transformer with only one winding. These are frequently used in power applications for interconnecting systems operating at different voltage classes (example 138 kV to 66 kV) for transmission. Along with this, it is also used in industry to adapt machinery built (for example) for 480 V supplies to operate on a 600 V supply. Moreover, they are also often used for providing conversions between the two common domestic mains voltage bands in the world (100-130 and 200-250). more...
Available with us, is a durable and robustly constructed array of auto transformers that is suitable for multiple applications in industrial and commercial field. These functional and effective auto transformers functions for the continuous control of AC voltage. The specifics of this range are mentioned below: more...
We are engaged in manufacturing Auto Variable Transformers, which are applicable in different industries. These deliver outstanding demanding minimum maintenance. Our products are of competent price and have the Following features: more...
Variable voltage auto transformers is a continuously variable voltage transformer, having a single layer winding on a toroidal core of high grade Cold Rolled Grain Oriented Steel. On one face of the copped winding, along the periphery, a special durable contact surface is made. A specially designed carbon brush slides smoothly on the surface. A contact arm holding the contact brush is fitted to the central shaft and as the control knob is rotated, the carbon brush slides over the winding and taps off a portion of voltage across the winding. Any desired voltage within the maximum range can be obtained by adjusting the position of the brush. The calibrated dial reads approximately the output voltage at no-load, when the input is at its rated value. Rotation of the brush arm by manual of motor drive delivers an output voltage from zero to or above line voltage.
Variacs fitted with voltmeter, ammeter, fuse, switch, pilot lamp etc. can be made in Enclosed type models with extra cost. more...
We supply an exclusive range of Scott connector Transformer, fabricated from premium quality raw material. Our Scott Connection is a type of circuit used to derive two-phase (2) current from a three-phase (3) source or vice-versa. Our range of Scott connection is appreciated for evenly distributing balanced load between the phases of the source.
Offered range is highly acclaimed across the domestic market for:
more...
Our clients can avail from us an assortment of Auto Transformers
that are fabricated using premium quality raw material and is high in demand
with our clients for its superior performance, durability and competitive
pricing. Available in two types namely, Step-Up and Step-Down, our range of Auto
Transformers is applicable in Stabilizers.
more...
We manufacture a comprehensive range of low tension tape wound transformers that suit the varied requirements of our clients across different industry verticals. Our expertise in the industry is supporting us in offering the facility of customization to our valued customer as per their requirements.
We offer our clients with the following types of transformers:
• Low tension CT
• Pt tape wound
• Resin cast transformers
• Tape wounded-lead
• Nut & bolt
• Tag type voltage transformers
• Auto transformers
• Epoxy molded transformers
Specifications:
• CBCT
• Summation CT
• Tape wound CT & PT
• Resin CT & P
We
offer a wide range of auto transformers that are manufactured by
using high grade raw material as per the requirements of our esteemed
clients. Our range is capable of producing variable voltage by means
of available voltage supply. It
is applicable for operating at nominal voltage of 240V AC and offer
output voltage that lies in a range of 0 to 240V or up to 270V by a
simple transformer action. Three such are connected electrically in
star and mechanically in tandem for operating 415V 3 Phase A.C.
supply and to give output from zero to 415V or up to 470V.
Our
range is capable to give standard current ratings that are as
follows:
more...
We manufacture a wide range of 3 phase auto transformer
which is stands high on quality. We procure high grade raw material from reliable
vendors across the globe to manufacture our range. While offering customization
over our range, we make sure that our clients are satisfied to the maximum.
Some of the specifications of our range of 3 phase auto transformers are:
more...
We manufacture indigenously
developed variable voltage Auto Transformers and are a leading Indian
manufacturer of Auto transformers. Our auto transformer are suitable
for indoor & outdoor applications with different current range
varying from 2A to 2000A(both in Air & Oil Cooled).
We have supplied these
transformers to various industries are doing well with repeat orders
from our customers.
Details :
more...
We specialize in offering a wide range of Auto Transformer, which is also known as auto former. This Auto Transformer is an electrical transformer with only one winding that has at least three electrical connection points called taps. Our range of Autotransformer is fabricated using quality material to ensure high efficiency and trouble free service life.
Application usages: more...
The auto
transformers/soft starter panels that we use to manufacture are used to
distribute the power through the panels to the different motor loads located at
various parts of the factory/system from one place through the motor starter
fitted in the panel of required rating with full protection. The motors can be
started from remote positions also.
Features
more...
We offer a range of Auto Transformers that are widely used in different power applications. These are used for interconnecting the systems functioning at different voltage classes. Further, these Auto Transformers are mostly used to offer conversions between the common domestic mains voltage bands e.g. (100-130 and 200-250).
Moreover, the Auto Transformers also finds applications on long rural power distribution lines. Fitted with automatic tap-changing equipment, these transformers are inserted as voltage regulators. It is helpful for the clients at the far end of the source to get the similar voltage as those closer to the source. more...
We design and engineer state-of-the-art Variac Auto Transformer, which is widely used fro electrical purpose. Few of the salient features of the instrument include following: more...
An autotransformer is an electrical transformer with only one winding with no isolation provided. It is an economic and a simple solution for wherever variable output range is required. Features : more...
We offer a wide assortment of auto transformers that is used in certain applications where the desired voltage is slightly lower or higher than the voltages supplied by the existing transformer or facility power. Designed in accordance with the industrial standards our transformers have gained huge acknowledgment in the industry for:
more...
Our range of motor starting auto transformer assembly improves power factor to increase energy efficiency. It is a comprehensive regulation panel which can better save energy and electric power for greater profits.
We offer an assortment of electrical transformers also known as 33KV outdoor current transformer manufactured from high grade iron as per the client’s requirements. These electrical transformers are available in varied forms such as: more...
3 Phase Variac Hand Operated
The three phase autotransformer conveniently vary the output voltage for a steady AC input voltage. These are being designed, manufactured and tested as per the ISO standards. Our highly cost effective auto transformers are offered to the clients at highly competitive prices. more...
Sterco brings the most versatile and reliable voltage controls with an advanced range of auto variable transformers. These transformers are widely used in many industries and laboratories to control voltage, current, power, heat, speed, light and electromechanical forces. Auto variable transformers use common windings and offer no interference or disturbance isolation.
Catering to the varied industrial requirements we offer a wide assortment of isolation transformer at par with the need of the client. Engineered using optimum quality raw material our range of Internal low-impedance offers 100% isolation from the input AC line. Our comprehensive range is widely applicable for computers and peripherals, telecommunications, medical, CAD/CAM, laboratory instrumentation, process control, office automation, building security and as a bypass transformer for UPS systems.
Features:
more...
Enclosed
auto transformers offered by us is motorized with AC or DC motors and
are used for air cooled rating. We use 60 rpm stepper synchronous
motor that are appropriate for 230V, ph, 50Hz supply and needs
special maintenance.
Maintenance:
Bearings of our range are self lubricating and brushes are self
aligning for cleaning the commutator surface regularly by means of a
smooth polish paper for removing carbon deposit. Ratings that are
above 2 amps rating are provided with a spare carbon brush inside for
safeguarding against any breakage. more...
The high quality Current Transformer available with us; is a measuring device used in metering & protection system. The Bar Primary ring-type current transformers consist of a secondary coil wounded on a torroidal core, if high permeability silicon steel is used in production. Few of the operational features of the instrument are as follows: more...
Our range of electrical transformers includes :
more...
We offer industrial control transformers, auto transformers, auto transformer starter
It means to vary the transformation ratio in very small steps but without breaking the load circuit. Its sepecfication is like:- Input :- 240 Volts 50 Hz A.C Output:- 0 to 270 Volts. Being a true transformer, the maximum voltage available is made about 12% higher than the input voltage. An auto transformer for 3 phase supply more...
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