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Dry Type Transformer
‘Reliable’s make Air Cooled Transformer, Voltage ratio 11,22, 33/0.433KV, 3 Ph, 50 c/s A.C. at NO LOAD suitable for INDOOR installation, core type, double Copper wound, (AN) naturally self cooled type. The winding will be connected in Delta/Star as per vector group ref Dyn11. The Transformer will be designed and manufactured generally conforming to IS: 2026/77, IS: 11171/85. The Tapping of +5% to -5% in the step of 2.5% each on HT Side. will be
provided on PRIMARY side by means of an Off Load Tap Changer. The temp. rise of oil will not exceed 50 Degree Centigrade by thermometer method and that of winding 55 Degree Centigrade by resistance method over an ambient temp. of 50 Degree Centigrade. The class of insulation will be ‘A’. The transformer will be painted with Siemens Grey shade paint.
OFF Circuit Link Board
Transformer will be supplied with 5 Position Tap off Load Circuit Link Board from +10% to -15% in the step of 5% each on HT Side.
Type Of Insulation:
Imported insulation Nomex, Silicone varnish, Glass tapes etc. Coils are insulated with Nomex & glass tapes and vacuum pressure impregnated in Silicon varnish.
Core Material:
Imported cold rolled grain oriented, high permeability, and fully annealed Silicone steel with low loss, with full mitred joint construction.
Winding Material
EC Grade copper LV Winding – LV Windings are made of copper with nomex paper interlayers which are extremely rugged in construction and also capable of withstanding short circuit current situations as well as voltage surges more efficiently.
HV winding – HV Windings are made of EC Grade copper strips with Nomex covering (50:50 overlap) will be provided along with winding temperature alarm and trip protection.
Dry type Transformers has the following advantage:
- More efficient
- Non toxic
- Highly safe
- Non flammable
- Space saving by placing near the load end
- Low Noise
- Low Maintenance
- Can be supplied with off circuit link
Transformer And Stabilizer Unit With Built In AVR
Product Price: Rs 4,00,000 / UnitGet Best Price
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Product Details:
| Cooling Type | Oil Cooled |
| Phase | Three Phase |
| Usage/Application | Industrial |
| Material | Copper |
| Model | 2020-21 |
| Power | 313 kva to 7500 KVA |
| Output Voltage | 415 V+-1 % |
| Regulator Type | Linear Regulator |
| Warranty | 12 Month |
| Condition | New |
| Voltage | 11/22/33 kv class capacities up to 15 MVA |
| Applications | For the protection of electric appliances or devices or equipment from overloading of voltage |
Space saving
Reduced Installation cost
More efficiency
Reduction in Electricity Bill
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2500kVA 3-Phase Dry Type/Air Cooled Distribution Transformer
Product Price: Rs 2,00,000 / PieceGet Best Price
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Product Details:
| Power | 630 kva |
| Cooling Type | Air Cooled |
| Number of Phase | 3-Phase |
| Power Rating | 2500kVA |
| Voltage Ratio | 33kV/433V |
| Winding Material | Copper |
| Frequency | 50Hz |
| Vector Group | Dyn 11 |
Standard:
The Dry Type Transformer are manufactured to comply with National International Standards BIS, IS 11171, IEC 76.
Description:
The winding is made up of electrolytic Grade, Soft and bright annealed copper conductors covered with Nomex insulating tapes. The wound coils are preheating and impregnated with silicon varnish under vacuum pressure and undergo a curing cycle. The low voltage coils are wound over glass fiber reinforced cylinder having high mechanical strength. The high voltage coils are supported by yoke on glazed porcelain or resin insulators. The core is made of CRGO silicon steel laminations duly annealed after shearing and assembled in mitered construction for low NO LOAD LOSS.
Tapping- On Load Tap Changer to provide +5% to -15% Taps in steps of 1.25% on the H.T. Side. Else, Off Circuit Tap Links for 5% Taps on H.T. Side in steps of 2.5% each.
The yoke frame has adjustable pressure plates to clamp & secure the coils adequately. Lifting arrangements provide on the top yoke frame so that the core and coil assembly is lifted. OFF-CIRCUIT TAMPING if required are provided on HV winding and terminated on fiberglass terminal board for changing the transformer ratio in OFF CKT
Applications:
Fire safety and environmental aspects are of increasing importance especially in respect of energy supply. The substitution of oil-filled transformers by dry type transformers is one of the most important steps towards it. Dry Type Transformer is used when it has to be located near load center and in a fire hazardous place. As there is no oil used in the transformer and special type of fire resistant insulation are used for the windings the fire risk is considerably reduced.
Brand: Reliable
Range is available upto 2.5MVA
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Dry Type Transformer
Product Price: Rs 2,25,000 / PieceGet Best Price
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Product Details:
| Power | 5000KVA |
| Cooling Type | Dry Type/Air Cooled |
| Phase | Three Phase |
| Transformer Type | Air Cooled |
| Primary Voltage | 11KV |
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Ultra Isolation Transformer
Product Price: Rs 90,000 / PieceGet Best Price
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Product Details:
| Brand | Reliable |
| Phase | Three Phase |
| Input Voltage | 400 - 415 Volts |
| Cooling Type | Oil Cooled |
| Turn ratio of Isolation transformer | 11 |
| Winding | Copper Wound |
| Frequency | 50 Hz |
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Isolation and Ultra Isolation Transformer
Product Price: Rs 85,000 / PieceGet Best Price
Product Brochure
Product Details:
| Brand | Reliable |
| Usage/Application | Industrial |
| Phase | Three Phase |
| Cooling Type | Dry Type/Air Cooled, Oil Cooled |
| Input Voltage | 11,22,33,KV |
| Power | 5000KVA |
The High-frequency noise can interface with digital Electronic Equipment Causing data corruption erratic behaviors, loss of memories etc
Isolation Transformers eliminate such noises and attenuates the spikes to minimal values, providing complete protection against such electrical disturbances. It consists of double wound Transformers with Extremely low coupling capacitance to isolate the voltage spikes and reduce noise from mains with extremely high insulation resistance. It is generally installed with the separate machines.
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Low Voltage Transformers
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Electricity is the heart beat of any industry/office and Transformer is the heart of the Company but today scenario hardly any industry receive HEALTHY ELECTRIC SUPPLY (Constant Voltage) due to long transmission line, imbalance between supply & demand of power & poor infrastructure. Higher & Lower voltages above rated voltage adversely affect the life of the equipment and consume more power thus increases the burden on the balance sheet of the company so to solve we have automatic voltage stabilizer, l .t. voltage stabilizer. Generally 90 % of the industrial load is of motors and the higher current effects the Electric motors (particularly smaller capacity motors up to 7.5 H.P.) in three waysHigher current produces higher losses in electrical motors which causes premature failure of winding.These higher losses of electric motors also increase the losses of cables, switches, transformers & other associated equipments.For smooth continuous operation of motors, over load relays are usually set at 20% higher settingWith the installation of the stabilizer and maintaining 390/400 volts, the motor will operate smoothly drawing 15 - 20% lesser current and correspondingly the relay setting can be reduced by 15 - 20%. In case single phasing occurs, the relay will trip in 40 - 50 seconds. The motors can withstand the high current for this period and will be safe. Also, the relays, contactors, switchgears, etc. incorporated with the motor will be safe. L.T. AVR being easy to handle are installed in all the running units, units having L.T. connections, units having small H.T. connections. These can be manufactured for Balance Input Voltage and Unbalanced load or Unbalanced Voltage and unbalanced loadTechnical SpecificationsWe provide the wide range & model of the servo voltage controller according to the customer requirement.Standard Input Voltage Ranges of servo voltage stabilizer are underInput Voltage360-450 V350-460 V340-460 V320-460300-460VEfficiency (as Calculated)99.6.5.35.0.7%Output Voltage400 V 1% , 3 Phase, 50 HzCoolingONANTypeIndoor / OutdoorTemp Rise (max)35 C above ambientMountingOn Uni-Directional WheelWave form distortionNilResponse Time10 msDuty Cycle100 % Continuous
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