Transformers Dealers in Colootola, Kolkata

• Brand Name: Power
• Application: Lubricating
• Packaging Type: Can
• Type: Transformer Oil
• Country of Origin: India
• Transformer Type: Power Transformer
• Quantity Per Pack size: 26 Ltr

• Features: Heat resistance High efficiency , As per the industry standard ,Proper finishing , Simple to install.

• Brand Name: Divyol
• Condition: New
• Place of Origin: India

New transformer oil comes in 210 ltr barrel, 20 mt tanker for domestic supply & in flexi tankers for export. Available in grade is 335 , iec 296 class 1, iec 60296 etc

• Certification: ISI Certified
• Speciality: Sturdy Construction
• Usage: Industrial Use
• Working Frequency: 50hz, 60hz
• Output Type: AC Single Phase
• Automatic Grade: Automatic
• Tensile Strength: 0-25Mpa, 100-125Mpa
• Warrenty: 1year
• Temperature Capacity: High Temperature

We are the proud Importer, Exporter and Supplier of different types of Power Transformer. Widely used for transmitting network of high voltages required for step-up and step-down applications, our Power Transformer is widely in demand throughout the world. Power Transformer that we offer is immensely accredited for its uninterrupted performance, sturdy construction and longer service life. Bulk quantities of Power Transformer can be availed at reasonable prices from us.

We are involved in Manufacturing and Supplying High Voltage Transformers that are well-known for their ability to withstand adverse working conditions. This range of High Voltage Transformers is manufactured in strict compliance with the prevailing industry standards. The High Voltage Transformers require very less maintenance and offer longer service life, these are heavily demanded by our clients. Salient Features : Excellent performanceLong functional life Robust constructionLow fuel consumptionMarket leading rates Used In : HospitalCoal FieldCoal MineMedicine Factory Cold StorageState Electricity Boards etc.

Direct Measurement of voltage in high voltage system is not possible because of difficulty in electrical isolation of measuring instruments. It is also not possible to use voltage for the system protection due to its high value and difficulty in electrical isolation of protective relays. Therefore, Voltage Transformers are used to step-down the high system voltage to standard value accurately in proportion to their ratio. Basic Functions of voltage Transformer are To reduce the line Voltage to a value, which is suitable for standard measuring instruments, relays, etcTo isolate the measuring instruments, meters, relays etc. From high voltage side of an installationTo sense abnormalities in voltage and give voltage signals to protective relays to isolate the defective system Theory General principles of power transformer design also apply to the voltage transformers but there are certain considerations of performance which are of particular importance. In the electromagnetic voltage transformers, accuracy depends on leakage reactance and winding resistance. These determine how the phase error and voltage error vary as the burden on secondary increases. The permeability and power dissipation of core material affects the exciting current and thus the error at zero burden. To comply with the requirement of IS:3156/IEC: 60044-2, Flux density employed in Voltage transformer is much less than the value generally used in power transformer. The turns ratio and voltage drop due to leakage Design Single Phase Electromagnetic Voltage Transformer (EMV) is manufactured in two types Single Pole (To connect between line & Earth)Both Pole (To connect between Line-to-Line)hase Voltage Transformers are of star/star connected or star/Open delta connected (residual Voltage Transformer) type. Single – Phase voltage transformers are manufactured for 11kV to 132kV system voltage, where as 3 phase voltage transformer are manufactured for 11 kV to 33 kV system voltage Construction Voltage Transformer Mainly Consists of Primary & Secondary WindingElectromagnetic CoreBottom Tank & Top Oil Expansion ChamberPorcelain BushingStainless Steel Bellow Primary & Secondary Winding Enameled copper wire is used for winding. Primary is wound with multi layer and graded insulation. The diameter and length of each layer is selected such that surge voltage is distributed equally in all layers of the Winding. Multilayer Kraft Paper Insulation is provided between winding layers. Stress equalizing shield is provided on last layer of the winding. H.T. Connection is brought out through metallic galvanized pipe. Secondary is separately wound and inserted in the primary winding as per the requirement. Winding and taping of VT is done in dust free atmosphere. Electromagnetic Core CRGO Silicon Steel Lamination is used for building up Electromagnetic Core. Shell type construction is used to minimize leakage reactance. Bottom Tank & Top Oil Expansion chamber Bottom Tank and oil expansion chamber are made of M.S. Sheet. All tanks and chambers are painted with oven baked paint, after cleaning by seven tank process. All surfaces which come in contact with oil are painted with oil insoluble paint. M.S. Parts can be hot dip galvanized on request. Porcelain Bushing Brown Glazed porcelain Bushing with different shed profiles to suit different pollution conditions is used. These Bushings are Hollow cylindrical Type Conforming to I.S. 5621/IEC 815. Bushing with collar at both the ends is clamped using Aluminium Flange. Nitrile and Neoprene Gaskets are used at both sides of collar to from flexible joint. This joint can sustain vibrations without damaging bushing. Bushings with cemented Flanges are also used. Insulation High quality Electrical Grade Kraft. Paper rand Crepe Paper is used for insulating primary and secondary winding of V.T. The high voltage connections is brought through paper condenser formed on metallic galvanized pipe using fine grading of insulation semi-conducting shield is used to give linear distribution of electric stress ailing the length of the bushing. The paper insulation is dried in oven under very high vacuum and strictly controlled conditions. Filtered and de-aerated EHV grade oil is filled in V.T., while V.T. is under vacuum. To seal it, the space left for expansion on the top is filled with dry and pure nitrogen through non-returnable valve at pre-determined pressure. Testing Truvolt Engg. Testing Lab is equipped with modem test facilities to carry out all routine test, including temperature rise test. Partial discharge Measurement plays a vital role in quality control of insulation. All our Vts are tested for Partial Discharge on most modern bridge type partial Discharge Test Set. All the Vts pass through a standardized quality assurance plan ensure requisite top quality at every stage and in the final product. Packing & Transportation All Vts are packed with strong jungle wood to take care of most adverse conditions of transportation all over the country. Special seaworthy packing is done of the Vts for export. Maintenance Vts do not require maintenance apart from occasional cleaning of Bushings and checking of Nitrogen Pressure.

• Material: Porcelain
• Color: Brown
• Type: Insulator
• Application: Electrice Power
• Size: customized
• condition: new

• Power: 25 kVA
• Phase: Single Phase
• Current: 4 Amp
• Usage: Industrial
• Output Voltage: 240 V
• Mounting Type: Floor Mounted
• Input Voltage: 220 V

With strong references up to 800 kV and 2750 MVA in major power networks worldwide, Alstom Grid is one of the world leaders in the manufacturing of electrical power transformers and reactors. As a pioneer in this field, our expertise in electrical power transformers extends to all levels, from generation to HVDC systemsand all kind of special industrial applications. A world leader in electrical  power transformers for over 100 years Alstom Grid can count on thirteen dedicated facilities on four continents for producing power transformers and a current production capacity of more than 130,000 MVA. This global manufacturing footprint, coupled with efficient technology transfer programs, enable us to offer the most adapted solution - for every need, everywhere and with the same top class level of quality. Our intensive research into new products and solutions drives the process of continuous improvement.As proof of the technological leadership of Alstom Grid, our experts actively participate in internationally renowned workgroups and conferences. 

• Accuracy Class: 0.2 / 0.5 / 1.0
• Range Offered: 11KV, 33KV & 132KV
• Primary Current: upto1000 amps.
• Secondary Current: 5A & 1A

• Type: Current Transformers
• Usage: Control Panels, Industrial Use, Power Grade
• Color: Green, Grey, Light Green, Sky Blue, White
• Operating Type: Automatic, Fully Automatic, Semi Automatic
• Condition: New, Used
• Feature: Easy To Install, Electrical Porcelain, Four Times Stronger, Proper Working, Sturdy Construction, Superior Finish
• Cooling System: Air Cooling, Oil Cooling
• Current Type: Double Phase, Single Phase, Triple Phase

Single Phase Transformers, Three Phase Transformers

We are an eminent and leading trader of current transformers

Substation Equipments, Electrical Cables, Electrical Circuit Board

Direct weld-able type Pressed Steel Radiators

Crgo Laminations

Electrical Testing Equipment, Transformers, Voltage Stabilizers

Bakelite Tube, Mica Splitting, Mica Paper Plates, Mica Insulators

CT PT Combined Metering Unit, C.t / p.t. Metering Unit

industrial wax

Electrical Goods

Transformers

Transformers, Circuit Breakers, Wires, substations, optical fibre

Electrical Goods, Pump

electrical sub station equipments, lt over head line

Transformer Oils, power oils, specialty oils, Lubricants

Auto Transformer