. Rectifier is an economical and most efficient method of obtaining DC from AC supply. marathon manufactures a wide range of rectifiers covering 0-500 Volts and upto 15000 Amps. capacity suitable for Electroplating, Anodising, Hydrogenation and many other Electrochemical processes. The entire manufacturing process is under one roof ensuring 100% quality product Brief Specifications
The function of the variable output controls is to control the voltage or current or its operating range by varying input voltage to the main transformer primary. The DC output voltage variation is achieved steplessly 0-100% by means of an ON LOAD roller type Jindal's make voltage regulator.
Our Equipments are Guaranteed for 5 Years against any Manufacturing Defect.
Roller Type Regulator | Thyristorised Control |
1.No wave form distortion at any load. Electrical wave form is like a moving wheel. For 50% Rated Voltage the Dia of wheel is reduced accordingly i.e. magnitude for a wave is decreased. | 1.Wave form distortion. It is like cutting the wheel by 50% and then moving the wheel i.e. wave form is cut as shown at full magnitude. |
2.Higher power factor of more than 0.95 is achieved. | 2.The power factor is lower between 0.5 to 0.9 |
3.The system is simple and can be repaired and maintained even by simple mechanic. | 3.The system is specified and needs specially trained Electronic Engineer to repair and maintain. |
4. The cost of spares is very negligible. | 4. The cost of replacement is very high. |
5. Over all losses are less. | 5. Over all losses are more |
In plating application the regulator is better and technology is adopted in Germany and Europe because of as explained above in point 1 to 5. Other manufacturer of rectifiers have shifted to thyristors because they have to use sliding carbon brush type regulators. Manufacturers of rectifiers claim that thyristor controlled rectifiers has been losses than regulator. They compare thyristor with sliding carbon type regulator. In our case their claim is not true. We use vertical coil type rolling carbon regulator. The copper section is three times so the losses are almost 1/6 or 20%.
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