bonitron M3645, Справочное руководство

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User’s Manual
9
2.
P
RODUCT
D
ESCRIPTION
Regenerated voltage occurs when the speed of the motor exceeds the set speed on the
drive. This can be due to braking or an overhauling load. In applications with extended
braking times, high horsepower, or where frequent regeneration occurs, the M3645 line
regen is the economical solution for controlling regenerative voltage. While resistor
solutions waste regenerated energy as heat, the Bonitron M3645 line regen returns the
regenerated energy back to the input AC line.
The M3645 line regen synchronizes to the frequency of the incoming power line, allowing
it to automatically adapt to 50Hz or 60Hz input. As the DC bus rises above the AC line
peak, the M3645 redirects current from the DC bus into the AC line to limit the rise in bus
voltage and prevent overvoltage faults. The M3645 is current limiting and will
automatically fold back or shut down in the event that unsafe conditions are detected.
With the optional digital display, the current status of the M3645 is shown and fault records
are stored along with a lifetime count of regenerative energy.
Up to two line regen units can be run in parallel for high-power applications.
2.1.
R
ELATED
P
RODUCTS
L
INE
R
EGEN

M3545 Single Phase or Three Phase Line Regen (<15A)
R
EGENERATIVE
P
OWER
S
UPPLY

M3645P Regenerative DC Bus Power Supply (<375A)
E
XTERNAL
P
ANEL
M
OUNTED
D
IGITAL
D
ISPLAY

KIT 3645DD External Display Kit (compatible only with “L” M3645 regen)
C
OMMON
B
US
D
IODES

M3345CBM Sharing Diode
B
RAKING
R
ESISTORS

M3575R Standard Duty Braking Resistors (<30A)

M3775R Various Duty Load Banks (<1600A)
B
RAKING
T
RANSISTORS

M3452 Heavy Duty Braking Transistor (<1600A)

M3575T Standard Duty Braking Transistor (<600A)

M3675T Low HP Braking Transistor (<10A)