Enquiry for DBRs (Dynamic Braking Resistors) for VFD Application
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Enquiry for DBRs (Dynamic Braking Resistors) for VFD Application
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Inquiry details

We need a quote for the following DBRs for a Project under bidding: Quantity: 842 pieces Braking System Sizing Calculations: Motor power [kW] 155 Expected braking power is 30% of the motor power (155*0.3) [kW] 47 Resistor power capacity [kW] 47 Resistor value [Ohm] 2.7 Brake chopper max current [A] 326 Expected braking current SQRT((47*100)/2.7) [A] 131 Brake chopper overloadability (131/326) [%] 40 Resistor overloadability (47/47) [%] 99 Ambient temperature [°C] 55 Installation shall be Outdoors in Desert Conditions.

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