Operational manual for dynamic braking unit
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4 Product name, model definition and usage
Instruction:
Table 3 Product model instruction
Detailed description of the sign
DBU: Dynamic braking unit
L: Light load type, this can be defaulted.
H: Heavy load type
Allowable Max. braking current, the unit is A
2: Applied on AC 3PH 220V(-15%)~240V(+10%) and the Max. input
voltage DC450V
4: Applied on AC 3PH 380V(-15%)~440V(+10%) and the Max. input
voltage DC900V
6: Applied on AC 3PH 520V(-15%)~690V(+10%) and the Max. input
voltage DC1300V
DBU100H series dynamic braking units are the high-performance and heavy-load dynamic
braking units promoted by our company, which can brakes at the rated braking current to meet
the application need in the situation of big inertia, crash deceleration and stop. When the DBU
brakes, momentum will be converted into electric energy because of big inertia, and then the
DC bus voltage will increase. The braking unit can consume the regenerative electric energy to
ensure normal work of the DBU; otherwise the DBU will carry our overvoltage protection and
work abnormally.
The braking unit can be used in the situation of big inertia and crash-stop. Such as elevators,
textile machines, paper machinery, centrifuges, washing machines, wire drawing machines,
winder, the proportion of linkage systems, crane and mining, and lifting system.
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