PSR3-23050-01-003
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The PSR3-23050-01-003 PSR Servo Power Supply by Kollmorgen delivers stable 115V AC input and efficient DC conversion. Designed for servo applications, it supports 25/50 Amp operations with adjustable voltage protection settings.
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Product Description:
The PSR3-23050-01-003 Servo Power Supply is manufactured by Kollmorgen and is designed for servo systems that need regulated DC power and advanced regeneration control. This servo power supply is powered by an input voltage of 115V AC, supplied via a dedicated terminal block that is specially configured for power line connections.
The terminal block of this supply features three visibly marked input terminals, LA, LB, and LC, as well as a Power Ground terminal, for safe and efficient connection of the AC power supply to the system. The PSR3-23050-01-003 supply has a dual power rating of 25 Amps and 50 Amps, which makes it compatible with handling light and heavy loads with stable output. To ensure voltage quality, this servo power supply features high-capacity filter capacitors that significantly reduce voltage ripples in the DC output. This also provides stable operation for downstream equipment by removing ripples that occur during rectification. For thermal management, a heavy-duty heat sink is mounted in this power supply to draw heat from active parts. An internal cooling fan is also used in this supply to circulate air for consistent internal temperatures, particularly under continuous load conditions.
The power of the PSR3-23050-01-003 is internally regulated by a power rectifier, which does full-wave AC to DC conversion to give a clean and stable DC output. For protection of circuits, a 115V AC fuse is used in this power supply to ward off overcurrent at the input section, and a regen fuse is used to protect the regeneration circuits. The regeneration process in this supply is controlled by a dedicated regen board (BDS3-RG1) that controls switching and load balance across braking cycles. An overvoltage regulator is also provided in this supply to specify a maximum permissible DC voltage level for system protection.
Frequently Asked Questions about PSR3-23050-01-003:
Q: Why does the PSR3-23050-01-003 include both a regen board and a regen transistor?
A: The regen board manages control logic, while the transistor switches energy to resistors. This ensures controlled and efficient energy dissipation during deceleration.
Q: How does the overvoltage adjuster protect the PSR3-23050-01-003 system?
A: It sets the maximum DC voltage limit to prevent component damage. This safeguards the system from voltage spikes during sudden load drops.
Q: What is the role of filter capacitors in PSR3-23050-01-003 during servo operations?
A: They eliminate DC ripple, ensuring consistent voltage levels for servo drives. This supports accurate positioning and smooth motor response.
Q: Why are both a regen fuse and an AC input fuse used in this unit?
A: The AC fuse protects the power input stage, while the regen fuse isolates faults in the regeneration path. This dual-fuse design enhances circuit-level safety.
Q: How does the fan enhance thermal performance in PSR3-23050-01-003?
A: The fan ensures active cooling of internal components during continuous or peak load. It prevents overheating and extends power supply lifespan.
