AC to DC Power Converters

AC to DC Power Converters

Rectifiers convert alternating current (AC) into direct current (DC). This process is known as rectification. Industrial rectifier systems supply power for control and instrumentation. They are designed for charging all types of batteries in telecommunications, switch gear tripping, power generation and distribution, water, gas, instrumentation, process industries, emergency lighting and other applications that require critical DC loads and demand power security and reliability.

Our heavy duty rectifier systems incorporate well proven control logic and heat sink assemblies using the latest semiconductor switching technology to provide compact, highly dependable units in single or multi module configurations. This enables precise control of output current for energising magnets used in plasma physics or, controlled voltages for more conventional load applications.

Single charger system

During normal mains operation the charger supplies the required load and provides sufficient current to maintain the battery in a fully charged condition ready for use. In the event of a mains failure the load will be automatically supplied by the battery without any interruption for the required standby period. Battery recharge commences automatically on restoration of the mains supply.

Our single rectifier battery charger systems can support loads from 24V DC to 750V DC and up to 1,200A.

Dual charger system

This arrangement provides a high level of security with two chargers sharing the load and battery recharge demand. If one of the chargers’ output should cease due to a fault or switching a module off for maintenance the remaining charger will automatically take up the total load requirement without a break.

Dual charger and dual battery system

These rectifiers allow for complete security and flexibility.  The units are built in a modular configuration with a number of rectifier modules operating in parallel in order to meet the power requirements. This permits disconnection of any charger or battery for maintenance or exchange. Our systems are normally designed with each battery providing 50% of the required standby duty. Alternatively each battery can be sized for 100% of standby duty if the extra cost and space is justified.

Features

  • 24V, 48V, 120V, 220V, 400V, 750V
  • 20 Amps to 2500 Amps
  • Compact robust design
  • High Efficiency
  • Low maintenance
  • Custom engineered specials
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