GINO AG

GINO AG

Friedrich-Wöhler-Straße 65,D 53117 Bonn PO Box 17 02 80

Damping Resistors

Damping Resistors

Filter circuits are used to avoid negative effects on the grid of power systems. Large-scale induction smelters in aluminum or steel mills generate harmonic waves. These must be prevented from acting on the grid. To this effect filters are used, mostly in the form of T or L elements. A series resonant circuit at the inlet of the medium voltage feed consisting of a series connection of capacity and inductance act as a loader on the harmonic waves, thus damping them.

To prevent hazardous switching overvoltage at the reaction coil and increase the band width of the resonant circuit, the reaction coil is dampened by a resistance.

DESIGNS
Harmonic Filter Resistors are manufactured on the basis of steel grid resistors. For the design, the requisite number of elements are assembled to form one or several packages and combined in one or several mounting frames in consideration of the insulation for the system voltage.

ORDER INFORMATION
Systemspannung
System voltage
Insulation voltage (BIL)
Nominal capacity or currents
Initial current and time
Resistance value
Admissible manufacturing tolerance
Admissible tolerance cold/hot
Installation altitude above sea level
Climatic and atmospheric conditions
Ambient temperature range
Indoor or outdoor installation
Protection class
Type of terminal connection

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