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Chapter 2
2.8 Chopper Braking Resistor
•
SJ Series P1 has a built-in chopper braking circuit in model below.
P1-00044-L (004L) to P1-01240-L (022L)
P1-00041-H (007H) to P1-00930-H (370H)
•
By using an optional braking resistor, permit to use for high
regeneration load application such as lift or high speed load.
200V class
Appli
Min.
Model
Resistor
cable
Resis
P1-******
selection
motor
tor
(P1-****)
Ex. (Ω)
(kW)
(Ω)
00044-L
0.4
50
180
(004L)
00080-L
0.75
50
100
(007L)
00104-L
1.5
35
100
(015L)
00156-L
2.2
35
50
(022L)
00228-L
3.7
35
35
(037L)
00330-L
5.5
16
17
(055L)
00460-L
7.5
10
17
(075L)
00600-L
11
10
11.7
(110L)
00800-L
15
7.5
8.5
(150L)
00930-L
18.5
7.5
8.5
(185L)
01240-L
22
5
5.7
(220L)
When using RB2×2series×2parallel, will require in total 4 RB2 units.
Braking Resistor
Short
Usage
Rated
period
Model
ratio
capacity
capacity
(%)
(kW)
(kW)
SRB200-1
10
0.7
0.2
SRB200-1
10
0.7
0.2
SRB200-2
7.5
1.25
0.2
SRB300-1
7.5
2.5
0.3
SRB400-1
7.5
3.6
0.4
RB3
10
7.7
1.2
RB3
10
7.7
1.2
RB2 ×3
10
11.4
1.8
parallel
RB3 ×2
10
15.4
2.4
parallel
RB3 ×2
10
15.4
2.4
parallel
RB3 ×3
10
23.1
3.6
parallel
2-12
•
SJ Series P1 can offer when desired a built-in chopper braking circuit
in models below.
P1-01160-H (450H) to P1-01470-H (550H)
•
Using optional braking unit or regenerative unit, permit to use on
high regenerative load application even for models without built-in
chopp
er braking circuit.
•
The table below shows an example selection of braking resistor to
output 100% of braking torque for each motor rating on list.
■400V
Appli
Min.
Model
Resistor
cable
Resis
P1-******
selection
motor
tor
(P1-****)
Ex. (Ω)
(kW)
(Ω)
00041-H
0.75
100
360
(007H)
00054-H
1.5
100
100
(015H)
00083-H
2.2
100
100
(022H)
00126-H
3.7
70
100
(037H)
00175-H
5.5
70
100
(055H)
00250-H
7.5
35
70
(075H)
00310-H
11
35
50
(110H)
00400-H
15
24
35
(150H)
00470-H
18.5
24
35
(185H)
00620-H
22
20
25
(220H)
00770-H
30
15
17
(300H)
00930-H
37
15
17
(370H)
01160-H
45
10
10
(450H)
01800-H
55
10
10
(550H)
Installation and Wiring
Braking Resistor
Short
Usage
period
Model
ratio
capacity
(%)
(kW)
SRB200-1
10
1.4
×2series
SRB200-1
10
1.4
×2series
SRB200-2
7.5
2.5
×2series
SRB300-1
7.5
5
×2 series
SRB300-1
7.5
5
×2 series
SRB400-1
7.5
7.2
×2 series
RB1
×2 series
10
10.4
×2 parallel
RB2
×2 series
10
15.2
×2parallel
RB2
×2 series
10
15.2
×2parallel
RB1
×2 series
10
20.8
×4parallel
RB3
×2 series
10
30.8
×2parallel
RB3
×2 series
10
30.8
×2parallel
CA-KB
20
45
(10Ω5unit)
CA-KB
20
45
(10Ω5unit)
Rated
capacity
(kW)
0.4
0.4
0.4
0.6
0.6
0.8
1.6
2.4
2.4
3.2
4.8
4.8
17
17
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