The voltage controllers we offer are mainly to protect the electrical and electronic equipment that are effected by the voltage fluctuation. We offer a wide gamut of automatic industrial voltage controllers that are designed with a capacity of 400 volts (three phase) and 230 volts (single phase). The power of voltage controllers are supplied to the consumers at these standard rating, but due to technical limits & commercial inabilities it is not possible to supply power at the above mentioned rating and a wide spectrum of voltage variation is witnessed. Some of the features of these voltage controller are as follows:

• Reduction in Breakdown of the electrical equipment
  
• Energy Saving 5 % to 10 % possible
  
• Improvement in power factor
  
• Reduction in MDI
  
• 100% depreciation as per income tax Act
  
• Overloading protection
  
• Over and under voltage protection
  

Some of the secondary equipment that are offered with our range comprises indicating & measuring equipment:

• Volt meter analogs / digital type, indicating input and ouput volts.
  
• Ammeter analogs/digital type, indicating input & output current.
  
• Mode switch for manual or Automatic Mode Selection
• Out put volt selectability level switch
• Senscetibity level selectability switch
• MCB Box provided for control panel

The entire gamut is available in the following ranges and models:

• Single Phase - 3KVA to 30 KVA
  
• Three Phase - 20 KVA to 5000 KVA
  
• Types - Balance Type & unbalance type

Applications:

• Offset Printing Machines
  
• Air-Conditioning Plants
  
• General Laboratory Equipments
  
• Signaling, Radars, Telecommunications
  
• Motors
  
• Domestic Load
  
• Textile Industries
  
• C. N. C. Machines
  
• Medical Equipments
  
• Escalators and Elevators
  
• Industrial & Lighting Loads
  
• Hotels
  
• Cement Plants
  
• Pharmaceutical Industries
  
• Oil Industrial
  
• Earth fault protection

Input / Output Chart

Input Voltage	360-460 Volts	340-460 Volts	320-480 Volts	300-480 Volts
Efficiency	Above 99.5%	Above 99.3%	Above 99%	Above 98.5%

Comparision with Conventional Type AVR

GNEW MAKE AVC Life is 15 - 20 years	Conventional Stabilizer Life is 2 - 3 years
Efficiency 99 to 99.5%	Efficiency 95 to 97%
Suitable for 100% load	Only 30 - 40% load capacity

We offer a comprehensive range of distribution transformers that are conventional type. These are available in three phase with 50Hz supply frequency, copper winding, double wound, “A” class insulation, self-cooled, oil immersed, ONAN (cooling), indoor/outdoor type, designed to ensure better cooling, low noise level, better impulse and short circuit withstand capability. Our distribution transformers under go thorough quality test and ensure that they are at par with IS 2026. The entire assortment is available in the following technical specifications:

• Product Range: 63 KVA TO 3000 KVA
  
• Rated Voltage: 11KV/0.433 KV
  

Vector Group reference DYn11 in accordance with International Practice. The standard fittings that are available are as follows:

• Rating and diagram plate
  
• Earthing terminal -2 nos
  
• Lifting Lugs
  
• Oil level Indicator
  
• Drain - cum - bottom filter valve with plug
  
• Oil filling hole with pluge on conservator
  
• Oil conservator with oil drain plug
  
• Air release plug
  
• Silica-gel air breather
  
• Bi-directional flat roller
  
• HV terminals - outdoor bushinges
  
• LV terminals - outdoor bushinges
  
• Radiators
  
• Filter valve with plug
  
• Thermometer pocket
  
• External temperature indicator
  
• Externally operated off circuit tap changing switch
  
• Explosion vent
  
• Sampling valve (for 2000 KVA trf.)

Testing

• Measurement of winding resistance
• Measurement of voltage ratio and check of voltage vector relationship
• Measurement of insulation resistance
• Dielectric Test
• Measurement of no-load losses and no-load crrent
• Measurement of impedance voltage / short-circut
• Impedance (pronciple tapping) and load loss
• Short circut test
• Temperature rise test
• Measurement of acoustic noise level
• Double voltage & double frequency test
• Air pressure test on tanks for checking of leakage

The (OLTC) industrial transformers that we manufacture are available in HT AVR step control type with OLTC. It also improves the power factor and enhances the energy efficiency. These (OLTC) industrial transformers perform as a regulation panel which can better save energy and electric power for greater profits.

Isolation transformers and ultra-isolation transformers are important component parts in numerous power supply and electric appliance. We have applied latest technology such as arrangement wire winding without bobbing, the whole transformer is impregnated under vacuum-pressure up to insulation and class F or H to manufacture our range of transformers. The input and output voltage can be developed as per the clients specification.

Some of the salient features of our range are given below:

• High level of isolation
  
• High quality neutral-ground bond
  
• High level of common-mode noise rejection
  
• Conversion from Delta to Wye or the other way around
  
• Easy to change voltage taps
  
• Custom design for specific system
  

Applications:

• Integrated in power conditioner at input or output
  
• Any system requires isolation and shielding.

We offer a wide spectrum of electroplating rectifiers which have gained tremendous accolades in the market for their qualitative features. Electroplating rectifiers are considered as the best method of obtaining D.C from A.C. supply and cover a wide range of current form 10 Amps to 15000 Amps. The technical specifications of our range are as follows:

• Input Voltage: 380/400 Volts, 3phase. 50 Hz AC supply
  
• Output Voltage: Variable form 0 to Maximum rated Voltage
  
• Output Current: Rated maximum D.C. Current
  
• Temperature Rise: Less than 35° C above Ambient at the top of the oil
  
• Efficiency: Not less then 80%
  
• Insulation: `A` Class for oil cooled.

Specifications

Input voltage	380/400 Volts, 3phase. 50 Hz A.C. supply
Output Voitage	Variable from 0 to Maximum rated
Voltage Output Current	Rated maximum D.C. Current
Temperature Rise	Less than 35n C above Ambient at the top of the oil
Efficiency	Not less then 80%

D.C. Output Models

D.C.	Output Voltage of different models is variable in different steps as given below.
GEM - 15 Steps	On load D.C. Voltage variation is achieved by means of two Rotary Switches from 40% to 100% of rated voltage.
GEM - 63 Steps	On load D.C. Voltage Variation is achieved by means of three rotary switch from 15% to 100% of rated voltage.
GER – Stepless	On load D.C. Voltage Variation is achieved by means of On - load Voltage regulator from 0% to 100% of rated Voltage.
GER (s)	Same as GER but regulator and main transformer are arranged in separate tanks.

The battery chargers that we manufacture are available in capacities covering a wide range of voltage from 0 to 300 volts DC and current range from 10 amps to 200 amps. Our chargers efficiently control the variation in the flow of current. These battery chargers are available in different technical specification and can be customized as specified by the clients. Our gamut is acknowledged for the following salient features:

• Maintains constant current at the load
  
• No effect of voltage variation on output current
  
• Maintains the quality of plates and saves time period
  
• Controls over-loading of our electrical supply system
  
• Reduction in failure rate of electrical equipments up to 80%
  
• Energy saving up to 10% to 15% possible
  
• Uniform quality of end products