Toshiba TOSVERT VF-PS1 Instruction Manual page 104

VF-PS1 with ratings of up to 200kW have built-in dynamic braking transistor as standard equipment. If the rating of
your inverter falls within this range, connect the resistor, as shown in Figure a) below or Figure b) on the next page. If
your inverter has a power rating of 250kW or more, connect a resistor, as shown in Figure c).
Connecting an external braking resistor (optional)
a) External braking resistor (with a thermal fuse) (optional)
MCCB
Three-phase
main circuit
Power supply
[Parameter setting]
Title Function
Dynamic braking selection
Do not connect an external resistor with a resistance (combined resistance) smaller than the minimum
admissible resistance.
For overload protection, be sure to set the parameters
[Parameter setting]
Title Function
Dynamic braking resistance
Allowable continuous braking
resistance
Braking resistance overload
time
An external braking resistor
(optional)
PA/+ PB
U/T1
R/L1
S/L2 V/T2
T/L3 W/T3
Inverter
Adjustment range
:Disabled
:Enabled (braking resistance
overload detect)
:Select (braking resistance overload
not detect)
and
Adjustment range
~ Ω
~ kW
~ sec.
E-35
E6581531
Motor
IM
Example of setting
properly.
Example of setting
Any value
Any value
Set the parameter to
for type PBR*- or
to any value for other
types.
5