1.Matching Equipment: Dedicated dynamic braking accessory for inverters and servo drives
2.Core Function: Dissipate regenerative energy generated during motor deceleration, stabilize DC bus voltage and protect drive components
Resistance Calculation
Calculation Formula:
U: System braking voltage, standard value 700V for 380V power grid system
Pb: Required braking power
Power Calculation
Derating factor 70%, formula:
Pr: Rated resistor power; D: Duty cycle, proportion of braking time in total operation cycle
Duty Cycle Reference
Elevator & Lift 20%~30%
Unwinding & Winding Machinery 20%~30%
Centrifuge Equipment 50%~60%
Occasional Braking Ordinary Load 5%
General Standard Working Condition Default 10%
220V 0.4KW 80W ≥200Ω Built-in Standard No extra instruction
220V 0.7KW 80W ≥150Ω Built-in Standard No extra instruction
220V 1.5KW 100W ≥100Ω Built-in Standard No extra instruction
220V 2.2KW 100W ≥70Ω Built-in Standard No extra instruction
380V 0.7KW 150W ≥300Ω Built-in Standard No extra instruction
380V 1.5KW 150W ≥220Ω Built-in Standard No extra instruction
380V 2.2KW 250W ≥200Ω Built-in Standard No extra instruction
380V 3.7KW 300W ≥130Ω Built-in Standard No extra instruction
380V 5.5KW 400W ≥90Ω Built-in Standard No extra instruction
380V 7.5KW 500W ≥65Ω Built-in Standard No extra instruction
380V 11KW 800W ≥43Ω Built-in Standard No extra instruction
380V 15KW 1000W ≥32Ω Built-in Standard No extra instruction
380V 18.5KW 1300W ≥25Ω Built-in Optional Add suffix “B” for model
380V 22KW 1500W ≥22Ω Built-in Optional Add suffix “B” for model
380V 30KW 2500W ≥16Ω Built-in Optional Add suffix “B” for model
380V 37KW 3.7KW ≥16Ω External Model: HLBU-45-T
380V 45KW 4.5KW ≥12Ω External Model: HLBU-60-T
380V 55KW 5.5KW ≥12Ω External Model: HLBU-60-T
380V 75KW 7.5KW ≥8.0Ω External Model: HLBU-90-T
380V 90KW 9.0KW ≥8.0Ω External Model: HLBU-90-T
380V 110KW 5.5KW×2 ≥12Ω×2 External Model: HLBU-90-TX2
380V 132KW 6.5KW×2 ≥8Ω×2 External Model: HLBU-90-TX2
380V 160KW 16KW ≥2.5Ω External Model: HLBU-200-B
380V 185/200KW 20KW ≥2.5Ω External Model: HLBU-200-B
380V 220KW 22KW ≥2.5Ω External Model: HLBU-200-B
380V 250KW 12.5KW×2 ≥2.5Ω×2 External Model: HLBU-200-BX2
380V 280KW 14KW×2 ≥2.5Ω×2 External Model: HLBU-200-BX2
380V 315KW 16KW×2 ≥2.5Ω×2 External Model: HLBU-200-BX2
380V 355KW 17KW×2 ≥2.5Ω×2 External Model: HLBU-200-BX2
380V 400KW 20KW×2 ≥2.5Ω×2 External Model: HLBU-200-BX2
1.×2 means two sets of braking units and resistors connected in parallel
2.Optional built-in type: mark letter “B” at the end of inverter model to equip built-in brake unit
CNC machine tools, cranes, elevators, fans, air compressors, winding machines, conveyor lines, robotic arms, engraving machines, injection molding machines and all equipment with frequent start-stop braking demand
