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2. P
D
RODUCT
The M3545P Regenerative DC Power Supply is a bi-directional power supply. During
normal operation it sources energy to the drive through the DC bus. If the DC bus voltage
begins to rise, due to the drive trying to brake or an overhauling load, the M3545P will sink
energy back to the AC Line. Under motoring conditions, the M3545P rectifies the AC line
and supplies power to the drive through its DC bus terminals.
Alternative resistive braking solutions simply dissipate this regenerated energy as heat.
Bonitron's M3545P returns the regenerated energy back to the AC line, making it
particularly well suited for applications with frequent or extended duration braking events.
Additionally, the M3545P is designed to be able to operate on both single-phase and
three-phase AC grids, at either 50Hz or 60Hz line frequency.
R
2.1.
ELATED
C
OMMON
•
M3345CBM Sharing Diode
B
RAKING
•
M3575R Standard Duty Braking Resistors (<30A)
•
M3775R Various Duty Load Banks (<1600A)
B
RAKING
•
M3452 Heavy Duty Braking Transistor (<1600A)
•
M3575T Standard Duty Braking Transistor (<600A)
•
M3675T Low HP Braking Transistor (<10A)
T
P
HREE
HASE
• M3713DM Non-Regenerative Power Supply (<375A)
• M3713SC Non-Regenerative Power Supply with Precharge (<375A)
L
R
INE
EGEN
• M3545 Single Phase or Three Phase Line Regen (<15A)
• M3645 Heavy Duty Line Regen (<375A)
R
ESISTIVE
• M3728 Precharge Module
P
N
2.2.
ART
UMBER
Figure 2-1: Example of M3545P Part Number Breakdown
ESCRIPTION
P
RODUCTS
B
D
US
IODES
R
ESISTORS
T
RANSISTORS
P
S
OWER
UPPLIES
P
RECHARGE
B
REAKDOWN
B
M
N
ASE
ODEL
UMBER
V
R
OLTAGE
ATING
C
R
URRENT
ATING
C
S
HASSIS
TYLE
O
C
PTION
ODE
M3545P
H 015
User's Manual
M4
R
9
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