Battery Chargers are used to charge rechargeable batteries time and again. Available in the range of 12 VDC to 240 VDC at various current levels, our battery chargers are suitable for both single phase and three-phase input. Designed and fabricated with precision, our battery chargers provide a constant voltage and current to charge batteries. GSA battery charger three-step charging method guarantees optimum efficiency, meaning your batteries will perform better and last much longer.

Main Features of Automatic / Manual Battery Charger

• Study of customer’s DC Load requirements in term of voltage limits current and load duty cycle profile
• Selection of chargers system to maintain smooth continous and stabilized DC bus voltage,Design and manufacture float and float cum Boost Battery Charger with constant current in boost mode for quick charging of battery
• Fully Solid State control for regulation DC output voltage stabilization within +_ 1% irrespective of voltage and load current varaition
• Soft start feature to minimize inrush current to battery,while charger is re-engergised.
• Voltage dropping characteristics for float chargers to pass momentary overload to the battery.
• Plug-in type glass epoxy printed circuit boards with easy maintenance and easy accessibility of test points
• Double wound AN cooled transformer with CRGO laminations, copper winding and class B&F insulaion.
• Most suitable for Fast battery charging
• Operates with wide input Voltage range
• Compact & light weight design
• Short circuit,over load,over voltage protection
• Mains ON, FLOAT, BOOST, LOW.BAT, BAT .REV

GSA Servo Voltage Stabilizers are manufactured as per IS:9815. These stabilizers are mainly to protect the Electronic equipments which are Affected by the fluctuation in the input mains supply. In some cases the equipments do not operate when they are not used at the specified voltage. The importance of the use of servo voltage stabilizer (single and three phases) with sensitive electronic & electrical equipment. It Saves the life of costlier appliances, CNC machines, electrical equipment, motors lab equipment, Medical Equipment etc. by connecting AC voltage which is not stabilized, and dips at one point of time and at other point of time rises to very high value. The principle of operation of Servo Stabilizer involves comparing the output voltage with built in stable reference voltage source. These stabilizers come with the following features:

• No wave form distortion
• High speed of voltage correction
• No problem of load power factor
• Over load capacity for short time
• Capacity: 5 KVA to 1000 KVA (single phase)
• Supply frequency: 40 Hz to 53 Hz
• Wave from distortion: Nil

Technical specifications of Single & Three Phase Servo Stabilizers:

Characteristics	Single Phase	Three Phase
Input Voltage	170-270V Output is 230V± 1.0% Regulation (Adjustable Between 210-240 V)	300-460V, Output400V ± 1.0%
Frequency	47 - 53 Hz	47 - 53 Hz
Wave from Distortion	None	None
Speed of Correction	20 V / Sec.	20 V / Sec.
Regulation	± 1.0% from No Load to full load.	± 1.0% from No Load to full load.
Ambient Temperature	0° to 55° C	0° to 55° C

We design and manufacture Digital Display Voltage Stabilizers that come with a digital display for better accuracy and legibility. These stabilizers come with detachable type plug-in control panel for the better flexibility. We also offer these stabilizers as per the desired requirements of the clients.

GSA Constant Voltage Transformer (CVT) work on Ferro Resonant Principle. Units have built in harmonic filter to provide a sine wave output. Beacuse the high isolation between Input & output CVT provides protection against transient spikes an harmonics and also there is no-shock problem in case of leakage in the equipment being run on Constant Voltage Transformer (CVT).

Features of Constant Voltage Transformer:

• Output highly isolated from input
• Protected against over-load and short circuit
• Instantaneous correction
• No-moving parts, relays or electronics circuitary


Technical Specifications:

Input Voltage	180 v- 260v
Line Frequency	50 Hz
Output Voltage	220-230± 1%
Output Step Load Response	2 cycles (30 to 40 milliseconds)
Efficiency	90% (approx) under full load conditions
Output Wave Form	Sinewave
Wave from Distortion	5% (approx) under full load conditions
Load power Factor	0.75% lag to 0.9% lead
Ambient Temperature	-10°C to 50°C
Transformer Type	Ferro-Resonant
Effect of Frequency	1.6 (approx) change in output voltage for every 1% change in line frequency

Transformers are basically used for the purpose of converting alternate current from one voltage to another. Transformers could either be step up or step down voltage. Under usual operating conditions, a transformer is a low continuance, long lasting static solid state device with actually no moving parts. In the most unsophisticated terms, it includes 2 or more coils of insulated wire that are wound on a laminated steel core. When the prime coil receives the incoming voltage, the iron core is magnetized and that induces the voltage in the secondary coil. The actual voltage ratio between prime and secondary coils depends up on the turn ration of both the coils.

Control transformers incorporate high-quality insulating materials. This insulation is used to electrically insulate turn to turn windings, layer to layer windings, primary to secondary windings and ground. Control transformers are vacuum impregnated with VT polyester resin and oven-cured, which seals the surface and eliminates moisture. Filling the entire unit provides a strong mechanical bond and offers protection from the environment. These transformers are earth sealed between Primary and Secondary. They also have tappings on the input side to facilitate selection according to site voltage.

Control transformers are available in single phase and three phase transfomers available in air cooled and oil cooled type. We offer control transformers from. 5 VA- 30 KVA.

Applications:

• For control panels
• Automation Systems with PLC and Micro Controllers
• For General Purposes & Special Purpose Machines

Our range of Resin Cast Control Transformers are designed and manufactured by using high quality raw materials and advanced technology, so that maximum output can be delivered. All these control transformers are inspected and tested at each stage of manufacturing, so that flawless products can be delivered. These transformers are available with us at the industry leading prices.

We offer Control Transformers (Tape Bound Aircool) that find applications in controlling power supply, local lighting and power supply indication. These are very reliable and durable in bringing the results. Our range of Control Transformers are suitable for machine tools and mechanical equipment also.