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AC DC Rectifier

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WE are one of the renowned manufacturers and suppliers of a wide gamut of Plating and Anodizing Rectifiers. These rectifiers are used for DC Application and are manufactured using high-grade raw material in accordance with industry laid norms and guidelines. All the products offered by us are widely demanded in the market for its various excellent features such as high efficiency and anti-corrosive nature.

Brief Specifications:

  • Input voltage: 380 - 440 Volts, 3-phase 50 Hz. AC supply
  • Output voltage: Fixed Rated maximum DC voltage or variable from zero to maximum rated voltage
  • Output current: rated maximum DC current
  • Temperature Rise: Less then 35ºC above ambient at the top of the oil
  • Efficiency : 12V rect - 82%, 24V rect - 90%, 100V rect - 94%, 200V rect-96%
  • Ripple content: less than 5%
  • Insulation: ‘A’ class for oil cooled

Salient Features:

  • Electrolytic Prime grade copper strip to minimize power losses
  • Suitable for over loading conditions
  • Vertical rolling contact type voltage regulator
  • The carbon rollers move on both sides of the winding
  • Diodes: Silicon diodes are tested in-house, similar PIV batch
  • Lamination Core: CRGO lamination core are used for minimum power losses
  • Paints: epoxy paint which is resistant to acidic environment of plating process and provide insulation from rust
  • Meter: DC meters with AE/RISHAB make
  • Constant voltage controller (Cvc): CVC electronic attachment with rectifier equipment for maintaining output voltage or current
  • Servicing: As early as possible

Advantage of Roller Type Regulator as Compared to Thyristor Control:

Roller Type Regulator Thyristor Control
No wave form distortion at any load.Wave form distortion.
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.It is like cutting the wheel by 50% and then moving the wheel i.e. wave form is cut as shown at full magnitude.
Higher power factor of more than 0.95 is achieved.The power factor is lower between 0.5 to 0.9
The system is simple and can be repaired and maintained even by simple mechanic.The system is specialized and needs specially trained Electronic Engineer to repair and maintain.
Over all losses are less.The cost of replacement is very high.
-
Over all losses are more.

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