Selection And Wiring Of Regenerative Braking Resistor (On 11 Kw To 30 Kw Models) - Hitachi L700 SERIES Quick Reference Manual
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- Instruction manual (263 pages) ,
- Instruction manual (46 pages) ,
- Manual (33 pages)
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Chapter 2 Installation and Wiring
2.2.5 Selection and wiring of regenerative braking resistor (on 11 kW to 30 kW models)
The L700 series inverter models with capacities of 11 to 30 kW have an internal regenerative braking
circuit.
Connecting an optional regenerative braking resistor to RB and P terminals increases the regenerative
torque.
Motor capacity
Model
L700-110LFF
L700-150LFF
L700-185LFF
L700-220LFF
L700-300LFF
L700-110HFF
L700-150HFF
L700-185HFF
L700-220HFF
L700-300HFF
Without a resistor
connected
(kW)
Regenerative
torque (%)
11
10
15
10
18.5
10
22
10
30
10
11
10
15
10
18.5
10
22
10
30
10
Minimum connectable resistor
Regenerativ
Resistance
e torque
( )
(％)
10
110
10
80
7.5
90
7.5
70
5
80
35
120 over
35
90
24
110
24
90
20
80
2 - 20
Minimum
resistance
during
BRD usage
continuous
rate
operation
(％)
( )
10
50
10
50
10
35
10
35
10
35
10
150
10
100
10
100
10
100
10
100
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