Diodes

Diode

Dynex Diode devices range from 1.4kV to 9kV with currents up to 8800A and work reliably at line frequencies from -40°C to 125°C.

Rectifier Diode

Dynex power rectifier diodes range from 1400V to 9000V with current ratings of 410A to 8800A.

The diodes offer a number of benefits for end user applications including; reduced maintenance and reduced outage time.

Rectifier Diode

Diode Rectifier Details

The Diode Rectifiers are designed with capabilities to offer high overload capability and low thermal resistance.

The Dynex range of Diode Rectifiers are suitable for welding applications, industrial rectifiers, industrial drives and converters, metal smelting applications and traction converters.

Rectifier Diode

High Power Rectifier Diode Features

High Surge Capability
Double side cooling

Flat Base Rectifier Diode

Dynex Flat Base Rectifier Diodes range from 3kV to 6kV at current ratings of 412A to 860A.

The diodes are rugged converters of AC to DC, suitable for ithe refurbishment of ndustrial and chemical rectifiers and aluminium pot lines.

High Power Products

Flat Base Rectifier Diode Details

The flat base diodes are general purpose rectifiers for the maintenance and refurbishment of high-power rectifiers.

The diodes are offered at a reduced cost for replacements parts and decrease the need for maintenance.

Applications include; rotating exciters for power generators where diodes are designed to endure the high G forces encountered on the rotor of the generator.

IGBT Modules Features

Flat Base Rectifier Diode Features

Low losses for high efficiency
Hermetically sealed for long operational life
Easily mounted down with M8 bolts on 46mm centres
Available anode to base and cathode to base
Selections available for parallel operation
Available with flying lead, full and half bar connections on request

Dynex Fast Recovery Diodes range from 1.6kV to 6kV.

Snubber Diode for GTO applications minimising reverse current through the GTO (Gate Turn-off Thyristor)

Fast Recovery Diode

Fast Recovery Diodes

The Dynex range of Fast Recovery Diodes are designed to be used as snubber and anti-parallel diodes for use with its GTO,

Fast Recovery Diode

Fast Recovery Diode Features

Lifetime controlled for fast recovery, low recovery charge for low losses
Low transient turn-on voltage
High surge capability
Double side cooling

High Power Diode Frequently Asked Questions

Are high-power rectifier diodes used in renewable energy systems?

Yes, they are used in solar power systems to prevent reverse current flow, ensuring that the DC generated by solar panels flows only in the desired direction. They are also part of the power conversion systems that convert solar-generated DC into AC for grid integration.

In wind turbines, power rectifier diodes convert the variable AC generated by the turbine into DC, which is then converted back to a stable AC for grid use or stored in batteries.

Types of applications where high power rectifier diodes are used?

High power rectifier diodes are important components in various industrial applications where the conversion of high-voltage AC to DC is required. Their ability to handle large currents and voltage makes them suitable for Industrial power supplies, traction systems, HVDC transmission, renewable energy systems, motor drives and electric vehicle charging stations.

High-power rectifier diodes are widely used in power supply units that provide DC power to heavy industrial equipment, such as electric motors, CNC machines, and welding machines. These diodes convert the AC from the power grid into the DC required for the operation of these devices.

Traction: High-power rectifier diodes are essential in the rectification circuits of electric trains and trams, converting the AC power from overhead lines or third rails into the DC needed by the traction motors.Subway and metro systems also use rectifier diodes in their traction power systems to ensure reliable conversion of power for efficient transportation.

HVDC: In HVDC systems, which are used to transmit large amounts of electrical power over long distances, high-power rectifier diodes are employed in converter stations to convert AC to DC at the sending end and DC back to AC at the receiving end. This conversion is crucial for reducing power losses over long distances.

Electric Vehicle Charging Stations: High-power rectifier diodes are important in the power conversion stages of EV charging stations, particularly in fast chargers that convert high-voltage AC from the grid into DC required for charging electric vehicle batteries quickly and efficiently.