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Constant Voltage Transformer: The Ferroresonant Transformer , F erroresonant Regulator or C onstant-Voltage Transformer is a type of saturating transformer used as a voltage regulator. These transformers use a tank circuit composed of a high-voltage resonant winding and a Capacitor to produce a nearly constant average output voltage with a varying input current or varying load. The circuit has a primary on one side of a magnet shunt and the tuned circuit coil and secondary on the other side. The regulation is due to magnetic saturation in the section around the secondary. The ferroresonant approach is attractive due to its lack of active components, relying on the square loop saturation characteristics of the tank circuit to absorb variations in average input voltage. Saturating transformers provide a simple rugged method to stabilize an AC power supply. Older designs of ferroresonant transformers had an output with high harmonic content, leading to a distorted output waveform. Modern devices are used to construct a perfect sine wave. The ferroresonant action is a flux limiter rather than a voltage regulator, but with a fixed supply frequency it can maintain an almost constant average output voltage even as the input voltage varies widely. The ferroresonant transformers, which are also known as Constant Voltage Transformers (CVTs) or ferros, are also good surge suppressors, as they provide high isolation and inherent short-circuit protection. A ferroresonant transformer can operate with an input voltage range ±40% or more of the nominal voltage. Output power factor remains in the range of 0.96 or higher from half to full load. Because it regenerates an output voltage waveform, output distortion, which is typically less than 4%, is independent of any input voltage distortion, including notching. Efficiency at full load is typically in the range of 89% to 93%. However, at low loads, efficiency can drop below 60%. The current-limiting capability also becomes a handicap when a CVT is used in an application with moderate to high Inrush Current like Motors, Transformers or Magnets. In this case, the CVT has to be sized to accommodate the peak current, thus forcing it to run at low loads and poor efficiency. Minimum maintenance is required, as transformers and capacitors can be very reliable. Some units have included redundant capacitors to allow several capacitors to fail between inspections without any noticeable effect on the device's performance. Output voltage varies about 1.2% for every 1% change in supply frequency. For example, a 2 Hz change in generator frequency, which is very large, results in an output voltage change of only 4%, which has little effect for most loads. It accepts 100% single-phase switch-mode power supply loading without any requirement for derating, including all neutral components. Input current distortion remains less than 8% THD even when supplying nonlinear loads with more than 100% current THD. We Arzoo Energy with the Experience of more than 16 years as the manufacturer of many Electrical Products are the known manufacturer of Constant Voltage Transformers. SAVE POWER,SAVE WORLD
Auto transformer is kind of electrical transformer where primary and secondary shares same common single winding. So basically it’s a one winding transformer. We hereby introduce ourselves as a manufacturer of dry type power transformers and reactors. We are established in this field since 2003. Our Dry Type Transformer adopt high quality low loss silicon sheet and arranged non-bobbin coil winding technology, and we apply vacuum pressure impregnating (VPI) process and solidify baking process to achieve insulation class H or C. Our transformers are widely used on any occasions where voltage is below 1000V and frequency below 400 Hz, and equipment’s which require voltage to step up or down. For small to medium capacity transformers, we apply enamel wire winding, and we apply foil winding for large capacity ones. Features 1) There are air flows between coil's layer to layer and between coil to core, resulting fast heat dissipation, and low temperature rise. 2) High grade iron core and winding can be wire or foil. 3) Small volume, light weight and good workmanship. 4) After vacuum pressure impregnating, the whole transformers and reactors are moisture proof and mildew proof. Insulation class H or C. 5) Lower audio noise. 6) Nomex based insulation system for foil winding transformers. Type 1). Step up Auto Transformer 2). Step down Auto Transformer Testing Our all magnetics are tested as per routine test mentioned as per IS2026. We can carry out other type testing as per your need. Applications of Auto Transformers Compensating voltage drops by boosting supply voltage in distribution systems. Auto transformers with a number of tapping are used for starting induction and synchronous motors. Auto transformer is used as variac in laboratory or where continuous variable over broad ranges are required. Our products range is as under: 1) Single/3 phase Transformer, upto 300KVA, 50Hz - 400Hz. 2) Scott Connected (3phase - 2phase conversion)/ Open delta type (3phase-single phase conversion) 3) Input Chokes for A.C/D.C Drives, from 1hp to 750hp drives 4) Output Chokes for A.C/D.C Drives, from 1hp to 750hp drives 5) DC filter choke 6) Harmonic Filter Choke 7) Transformers for Plasma Welding Machines 8) Transformers with induction heating purpose.
Power Quality Management Solution (P3 System) Electrical equipment is designed to accept a wide range of input voltages about its nominal design centre. However, if the actual supply is higher than necessary the equipment will consume more power than needed and in many cases, equipment life is reduced, effectively increasing the cost of ownership. A 230V linear appliance operated at 240V will consume approximately 9% more energy than necessary. A voltage reduction within statutory limits can produce up to 25% (subject to load) reduction in energy consumption and in addition will extend the life of many types of electrical apparatus. The reduction of the supply voltage to a controlled (side adjustable level, allowing equipment to operate at Reduce utility optimum efficiency thus lowing power consumption, overall running and ownership cost. Features : • Reduce utility power Bills up to 20%. • Reduction in current drawn. • Reduction in Cable losses. • Increase system capacity. • Stabilizes Output Voltage. • Under / Over Voltage protection. • Over Load & Short Circuit Protection
TRANSFORMER : Introduction: A Transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction. A varying current in one coil of the transformer produces a varying magnetic field, which in turn induces a voltage in a second coil. Power can be transferred between the two coils through the magnetic field, without a metallic connection between the two circuits. Faraday's Law of Inductioniscovered in 1831 described this effect. Transformers are used to increase or decrease the alternating voltages in electric power applications. Since the invention of the first constant-potential transformer in 1885, transformers have become essential for the transmission,distribution and utilization of alternating current electrical energy. A wide range of transformer designs is encountered in electronic and electric power applications. Transformers range in size from RF transformers less than a cubic centimeter in volume to units interconnecting the power grid weighing hundreds of tons. History : Electromagnetic Induction, the principle of the operation of the transformer, was discovered independently by Micheal Faraday in 1831, Joseph Henry in 1832, and others.The relationship between EMF and magnetic flux is an equation now known as Faraday's Law of Induction: . where is the magnitude of the EMF in Volts and Φ B is the magnetic flux through the circuit in webers. Faraday performed early experiments on induction between coils of wire, including winding a pair of coils around an iron ring, thus creating the first torodial closed-core transformer. However he only applied individual pulses of current to his transformer, and never discovered the relation between the turns ratio and EMF in the windings. Types : Step Up Transformer : The Transformer in which Load Connected winding (Secondary Winding ) Voltage is greater than Source Connected Winding (Primary Winding) Voltage . Step Down Transformer : The Transformer in which Load connected winding (Secondary winding) voltage is less than source connected winding ( Primary Winding) Voltage.
Constant Voltage Transformer : Introduction : In our Ferro Resonant type Constant Voltage Transformers - CVT, the AC mains power the input winding, which is widely separated physically from the isolated output winding. The input winding normally runs at very moderate Flux linkage levels. The output winding exhibits an intrinsic energy characteristic and this energy storage operate in conjunction with mains capacitor to produce self-generated AC flux Field which is indirectly extracted from the Input Winding. These Constant Voltage transformer or CVT use a tank circuit composed of a high-voltage resonant winding and a capacitor to produce a nearly constant average output with a varying input. The ferroresonant approach is attractive due to its lack of active components, relying on the square loop saturation characteristics of the tank circuit to absorb variations in average input voltage. The ferroresonant action is a flux limiter rather than a voltage regulator, but with a fixed supply frequency it can maintain an almost constant average output voltage even as the input voltage varies widely. All problems related to variation / fluctuation in Voltages are effectively handled because of this principle and a constant voltage output of ± 1% is given. Results : The ferroresonant transformers, which are also known as Constant Voltage Transformers (CVTs) or ferros, are also good surge suppressors, as they provide high isolation and inherent short-circuit protection. We are a renowned manufacturer of Constant Voltage Transformer and The Result of Constant Voltage Transformer - CVT are as under: 1. Instantaneous Voltage regulation. 2. No effect of input Transient and spikes on the output. 3. Sinusoidal output waveform. 4. A perfect answer and remedy for all types of electronic equipment. Our Constant Voltage Transformer or CVT have been manufactured to give you total protection against power related problems and to condition the power to suit the needs of your microprocessor based equipment. We are manufacturer of Constant Voltage Transformer which effectively regulates voltage variation, suppresses transients and bridges short interruptions/dips. Applications : Computers, Data Processing equipment, Colour Photography Labs., Bio-medical equipment, PA equipment, Telecommunication, TV, VCD/DVD recorders & players, Teleprinters, Fax machines and all other sensitive electronic devices. Why CVT ? We manufacture Constant Voltage Regulators which use a tank circuit composed of a high-voltage resonant winding and a capacitor to produce a nearly constant average output with a varying input. The constant voltage regulator approach is attractive due to its lack of active components, relying on the square loop saturation characteristics of the tank circuit to absorb variations in average input voltage. Electronics instruments, Machines, Computers and other microprocessor based equipment are designed to operate on steady stream sine wave of 220/230 V RMS. The nature of utility power is such that very frequently the equipment encounter electrical disturbances and voltages which are beyond the range of those equipment. The quality of power has deteriorated so much during the past several years that today it is impossible to work without encountering disturbances. Equipment using microprocessors are especially vulnerable due to the degradation of the utility power. Thus in order to reach the equipment potentially damaging impulses generated outside your location travel through the impedances of lot of copper wire. Although this barrier serves to dampen out many of these disturbances the real problem occurs along the electrical path from the point the power enters your premises to your equipment. Between these points are all kinds of devices such as lifts, air conditioners, Fluorescent tube chokes, Photo copiers and in case of factories the machines. Any equipment that arcs, cycle on off, or draws excessive bursts of current becomes the cause of potential hazard to your micro processor based equipment.
AUTO TRUE MICRO POWER SAVER (ATMPS) : Electrically controlled equipment is a major contributor to harmonics found in your electrical system. It can be a “silent killer” in your facility, leading to operational problems with both electrical and electronic equipment including mis-operation, shutdown and early failure. Harmonics may affect specific points of virtually all apsects of your electrical system, including lowering your power factor, which raises your utility costs. ARZOO harmonic filter will perform mitigation for a wide array of needs. This includes equipment to help reduce amplification of harmonics when capacitors are automatically switched, to suppress one or more specific harmonic orders, and to lessen a broad range of multiple harmonic orders. Education, awareness and assistance from ARZOO can help to maximize your operation’s uptime and bottom line. Features : Saver Power up to 20%. Increases the Life of Electric Device. Reduce Transmission Loss. Protect against Surges and Spikes. Stabilizes Voltage. Maintenance Free. Environment Friendly. Improve Power Factor. Eliminates Overheating of Wiring and Appliances. Uniform Electric Current. Saves Energy Efficiently. Two Years Guarantee.
Here is a smart way to reduce 10% to 20% of your electricity consumption monthly. This new innovative device Auto True Micro Power Saver (ATMPS) can filter & Stabilize the supply voltage while improving the efficiency and power factor of your electricity consumed. This Auto True Micro Power Saver (ATMPS) Device is able to store electricity for 5 to 10 seconds and release it for use doing downside voltage. It can also improve safety by reducing the overheating of electrical wiring, hence reducing the size of wiring an copper loss, low & high voltage protection, earth leakage & delay on circuit which protect your electronic & electrical appliances and improve their life. (Precaution should be observed here, this does not imply that attaching multiple units of the power saver will drastically reduce power consumption in all cases. Please consult a trained electrician if advice is necessary.) Most Commercial / Industries have consistently shown that one unit of the Power Saver will save 3 to 4 kWh per day, based on electrical consumption of 30 kWh per day. The amount depends on few factors such as the type of electrical appliance use, the amount of electrical use and location. Places near to shops, restaurants and light industries where voltage supply is unstable and fluctuating will see higher savings. In addition to extending the life span of appliance motor, this device also reduces the reactive power generated by inductive loads. It helps the utility companies by eliminating interference to the power supply. The ATMPS is a microprocessor based system, displays the Electrical parameters like Voltage. Features: • Save Electricity upto 20% . • Improve Power Factor . • Reduce Transmission Loss . • Eliminates overheating of wiring and appliances . • Protect against surges and spikes . • Stabilizes voltage . • Input Voltage Range : 200V to 270V (P-N). • Output Voltage : 230V (P-N). • Type of Machine : 1 / 3 Phase Unbalanced Units. • Efficiency : More than 98% at full load. • Output Wave-form : No distortion input waveform i.e sine wave 60 V/ Second. • Maintenance Free. • Increases the life of your electronic appliances . Technical Aspect: There are two components of power: Reactive Power And Working (Real) Power. Reactive power (KVAR) is used to create Electromotive Force(EMF) in the inductive loads in your home and business. This power performs no "real" work. Working power (KW) is the power that performs the function of the load. These two components combine to formulate Apparent Power (KVA), the total power which the load consumes. Apparent power is equal to the square root (sqrt) of (KW)^2 +( KVAR)^2. Power Factor is the ratio of working power (KW) to apparent power (KVA). In other words looking at all the power that a load consumes, how much of it (percentage wise) is used to perform the real work.
Oil Cooled Servo Controlled Voltage Stabilizer : Oil Stabilizers are required for high range Voltage Stabilizer. Because Oil in the Stabilizer is used as the Cooling Agent and also as the Insulation. We Arzoo Energy experienced in the field of manufacturing from more than 16 years with the team of highly skilled Engineers always like to serve the society with the new innovative products and also making some modifications in the existing one. Features of the Arzoo Auto Servo Controlled Voltage Stabilizer are: 1. With Digital Display. 2. The Accuracy is 0.02%. 3. The Bypass is Inbuilt in the Stabilizer. 4. Efficiency is more than 98%. 5. It is Microcontroller Based Technology. 6. For Overload/ Underload Protection we don't use MCB/ MCCB, We have Current Transformer in it for the measurement. 7. Warranty of our Product is 2 years. 8. We have Patented Technology of BBT Technology. 9. We use Virgin CRGO lamination. 10.We use Virgin Copper as the material. 11. Having Double Colored and Heavy Body. 12. For our Product we go through 26 types of tests. 13. We also provide initial Oil Filled tanks in the Stabilizers.
We Arzoo Energy design and produce dry type iron core tuned and detuned filter reactor and other various reactors. Using high quality low loss silicon sheet and foil coil winding technology, vacuum pressure impregnating (VPI) process and solidify baking process to achieve insulation class H or C. It is applied in low voltage (below 15000 V) reactive power compensation and passive harmonic filter combined with capacitor in cabinets to achieve reactor power compensation and harmonic filter in network. These series products adopt universally acknowledged design method, is easy to install and features compact structure , low noise and good reliability. Features: 1. Rated working voltage : used for 400, 660V upto 1500V systems. 2. Insulation: 3KV/min. 3. Insulation Resistance: greater than 100 MΩ 4. Noise: less than 70 dB. 5.Insulation Class: class H or C. 6. Temperature rise : Core< 80K, Coil< 95K. 7. Reactors can be sound operated long life at harmonic current less than 1.35 times rated current. 8. After Vacuum Pressure impregnating, the whole transformer is moisture proof and mildew proof. Type: 1. Tuned Filter Reactor : Used to eliminate the harmonic distorted in network together with various capacitors at different harmonic frequency 3rd, 5th, 7th, 11th, 13th specified as required. 2. Detuned Filter Reactor: Used to eliminate the harmonic distorted in network together with various capacitors at different inductive reactance percentage. 3. Line Reactor : Used to resist the interference from the power source or grid power line. It can stop the abrupt change of the voltage on the grid power line, avoid the current shock caused and smooth the spike pulse included in power source or voltage flaw caused because of the bridge rectifier circuit. Thus, this kind of reactor can better perform over-voltage protection, and reduce harmonic interference from load such as inverter , thus efficiently protect your device from damage or wrong malfunction. It is widely used in industrial automatic control system, working together with numeric control machine , frequently changer or DC speed control system.
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