The new Avtron dynamic braking resistors, available from Westek Electronics , have been designed for stressful, corrosive atmosphere environments; specifically outdoors, marine applications. The Avtron resistors feature absorbing capacities of up to 800 kilowatts and in excess of this. Typical voltages available range from 690 volts DC to over 1090 volts. Combined with the high energy absorbing capacity, the Avtron resistors are most suitable for applications such as land and offshore drilling rigs and for braking duties including hoist motors and drilling rig top drives.
The Avtron dynamic resistors are manufactured using Avtron’s unique Helidyne load elements, constructed from fully-supported corrosion resistant chromium alloy wire. The integrally-mounted blowers provide cooling in both vertical and horizontal mode. The Avtron design uses rugged enclosures made of stainless steel construction as the alternative to standard aluminium versions.