Modular resistor grid assembly and resistive grid system

A modular resistor grid system, the system comprising:

• a mount;
• a fan;
• a plurality of modular resistor grid assemblies configured to interchangeably couple to the mount and the fan, the plurality of modular resistor grid assemblies including a first modular resistor grid assembly and a second modular resistor grid assembly, the plurality of modular resistor grid assemblies each comprising:
• a housing,
• an input terminal and an output terminal coupled to the housing,
• a number of resistor rows disposed within the housing and connecting the input terminal to the output terminal, each of the resistor rows comprising a plurality of resistor plates having a thickness, the plurality of resistor plates providing a target resistance for the respective modular resistor grid assembly between the input terminal and the output terminal;
• wherein each modular resistor grid assembly has the same target resistance, wherein the housing of the first modular resistor grid assembly extends a first length in an axial direction and the housing of the second modular resistor grid assembly extends a second length in the axial direction less than the first length, wherein the first modular resistor grid assembly comprises a first number of resistor plates with a first thickness and the second modular resistor grid assembly comprises a second number of resistor plates with a second thickness, and wherein the first number is greater than the second number, and the first thickness is greater than the second thickness.

A method of manufacturing a modular resistor grid assembly, the method comprising:

• providing a plurality of first resistor plates having a first thickness;
• coupling a first number of first resistor plates to an input terminal and an output terminal of a first housing to form a first modular resistor grid;
• coupling together two or more first modular resistor grids to form a first modular resistor grid assembly, the first modular resistor grid assembly having a first target resistance and a first axial length;
• providing a plurality of second resistor plates having a second thickness;
• coupling a second number of second resistor plates to an input terminal and an output terminal of a second housing to form a second modular resistor grid;
• coupling together two or more second modular resistor grids to form a second modular resistor grid assembly, the second modular resistor grid assembly having a second target resistance and a second axial length;
• wherein:
• the first target resistance is equal to the second target resistance,
• the first thickness is greater than the second thickness,
• the first number of first resistor plates is greater than the second number of second resistor plates, and
• the first axial length is greater than the second axial length.