Woven Resistors
7Pages

Woven Resistors Hardware Reference Document 1101064 - Edition June 2009

Woven Resistors Hardware Reference Email: commercial@coudoint.com Website: www.coudoint.com Address: 19, Avenue de la gare Document 1101064 – Edition June 2009 Information and products subject to change without prior notice

Woven Resistors Hardware Reference 1 General Description Description : Woven resistors are flexible mats constructed with: • a resistance weft wire • a nonconductive chain warp thread wire, with impregnation, to maintain the resistance wire • plain strips at the ends for mechanical fixation Specific characteristics The technology used in woven resistors has numerous advantages : • • • • • • • • • the possibility of designing power resistors with high ohmic values (up to 10 kΩ) reduced weight and dimensions, for example 150 g for a 960 W resistor of 190 x 190 x 3 mm large flexibility in...

Woven Resistors Hardware Reference 2 Examples of designs 2.1 Heating Resistor • • • • • • • power rating: 375 W ohmic value: 35 Ω dimensions: 180 x 115 mm chromium-nickel resistance wire fiberglass chain wire 6 eyelets for mechanical fixation terminal connections by insulated cables Model: RRT180X115EC13EAR35T016 4 resistors per mat: 121 Ω (2), 242 Ω, 484 Ω power rating per mat: 1100 W dimensions: 200 x 770 mm chromium-nickel resistance wire fiberglass chain wire 6 eyelets for mechanical fixation Model: RRT200X770EE9E01KT008 2.3 Resistor for Switches Test Bench • • • • • • • • set of...

Woven Resistors Hardware Reference 2.5 Resistors for Load Bank in 19-inch Rack Mount • • • • • • • ohmic value: 1,12 Ω power rating: 700 W (each resistor) dimensions of the mats: 190 x 190 mm chromium-nickel resistance wire fiberglass chain wire mechanical fixation by stainless steel bars for forced-air cooling 2.6 Resistor for On-Board Load Bank • • • • • • • • set of resistors for an on-board load bank for trucks, submitted to mechanical shocks ohmic value: 116 Ω nominal current: 1 amp dimensions: 500 x 520 mm chromium-nickel resistance wire fiberglass chain wire mechanical fixation by...

Woven Resistors Hardware Reference 2.9 Replacement Resistor – energy pulsed mode • • • • • • • • woven resistor rolled into a cylinder in the required dimensions ohmic value: 3.6 Ω instantaneous energy: 7.3 kJ dimensions of the mat: 450 x 140 mm dimension of the cylinder L 661 x Ø 66.5 mm chromium-nickel resistance wire fiberglass chain wire same terminal connections as the replaced resistor 2.10 Resistors for Extra High Voltage Testing • • • • • • set of vertically mounted woven resistors resistor shown here: 1000 Ω. 2 MJ dimensions: 5500 x 600 mm cupro-nickel resistance wire fiberglass...

Woven Resistors Hardware Reference 3 Product Identification Code RRT Total ohmic value: nnnRddd for nnn.ddd Ω Number of circuits: "A" for 1 circuit "B" for 2 circuits "C" for 3 circuits etc. "LLLXlll" for: length equal to LLL mm width equal to lll mm Chain wire: Mechanical fixation: "B" for "metallic round bar" "BA" for "metallic flat bar" "C" for "metallic body" "CE" for "tinned copper" "E" for “eyelet” "S" for “special” "X" for “without” Type and gauge of the chain wire: EC13, etc. This identification above code is followed: – when ordering, from the list of the optional features which...