GINO cast iron resistors can be used in drive technology in conjunction with starting switches or contactor controls for starting and setting three-phase slip ring or DC motors. They can also be used as slip, series or load resistors. They are characterized by high overload capacity and are mainly used in short-time or intermittent operation.
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In drive engineering, GINO steel grid resistors are suited for application in combination with motor starters or contactor controls for the starting and control of alternating current slip ring rotors or direct current motors. They are equally suited as slip, series or load resistors. These resistors exhibit a particularly high vibration resistance and low weight. Due to the large surface of the resistor elements in relation to their mass, they are preferably used in continuous operation or intermittent operation with high relative duty factors.
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Wire wound resistors are primarily used for applications in the lower power range of 60 watts to 5kW and are stable over time and temperature.
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Ribbon-wound resistors use ribbons or sheet strips as resistor conductors. Depending on the design, ribbon-wound resistors can be broken down by wave-pattern “folded” ribbons or spot-welded ribbons connected in series as individual strips. With this method, high-performance resistors with low-resistance are obtained. The advantage of ribbons is that large surfaces can be achieved at a comparably low material weight, the former being crucial for the heat transfer at high continuous ratings.
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Enclosed resistor or VPR resistor (Very Power Resistor) are resistors for high power applications.
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By using water-cooled resistors, the heat development that usually occurs at the location of use is prevented. During braking processes, the electrical drive energy is converted to heat energy. This heat energy is absorbed by the water and can be re-used. A new range of water cooled resistors EV2 is available in modular construction and can be stressed up to 25 kW per module.
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