Db Resistor (For External Installation, Optional) - LG SV-iS5 Instruction Manual

Variable frequency drives
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Chapter 7 - Options

2) DB Resistor (For External Installation, Optional)

DB transistor is integrated for ratings below 7.5kW. Install the external DB resistor if necessary. However, DB
transistor is not provided for the ratings above 11kW, installing both external DB unit and DB resistor are required.
See the following table for more details (ED: 5%, Continuous Braking Time: 15 sec). If Enable duty (%ED) is
increased to 10%, use the external DB resistor having twice Wattage rating.
Applied motor
capacity
(kW / HP)
0.75 / 1
1.5 / 2
2.2 / 3
3.7 / 5
5.5 / 7.5
2
7.5 / 10
0
11 / 15
0
15 / 20
V
18.5 / 25
22 / 30
30 / 40
37 / 50
45 / 60
55 / 75
0.75 / 1
1.5 / 2
2.2 / 3
3.7 / 5
5.5 / 7.5
7.5 / 10
4
11 / 15
0
15 / 20
0
18.5 / 25
V
22 / 30
30 / 40
37 / 50
45 / 60
55 / 75
75 / 100
Morek IT OÜ, Rauna 24, 76506 Saue Harjumaa, Estonia. www.morek.eu Tel. +372 604 1423 Fax +372 604 1447 morek@morek.eu
Operating rate
100 % Braking Torque
(ED/Continuous
[ohm]
Braking Time)
5% / 15 Sec
200
5% / 15 Sec
100
5% / 15 Sec
60
5% / 15 Sec
40
5% / 15 Sec
30
5% / 15 Sec
20
5% / 15 Sec
15
5% / 15 Sec
11
5% / 15 Sec
9
5% / 15 Sec
8
10% / 6 Sec
4.2
10% / 6 Sec
4.2
10% / 6 Sec
2.8
10% / 6 Sec
2.8
5% / 15 Sec
900
5% / 15 Sec
450
5% / 15 Sec
300
5% / 15 Sec
200
5% / 15 Sec
120
5% / 15 Sec
90
5% / 15 Sec
60
5% / 15 Sec
45
5% / 15 Sec
35
5% / 15 Sec
30
10% / 6 Sec
16.9
10% / 6 Sec
16.9
10% / 6 Sec
11.4
10% / 6 Sec
11.4
10% / 6 Sec
8.4
[W]
Type
[ohm]
100
TYPE 1
200
TYPE 1
300
TYPE 1
500
TYPE 2
700
TYPE 3
1000
TYPE 3
1400
TYPE 3
2000
TYPE 3
2400
TYPE 3
2800
TYPE 3
6400
-
6400
-
9600
-
9600
-
100
TYPE 1
200
TYPE 1
300
TYPE 1
500
TYPE 2
700
TYPE 3
1000
TYPE 3
1400
TYPE 3
2000
TYPE 3
2400
TYPE 3
2800
TYPE 3
6400
-
6400
-
9600
-
9600
-
12800
-
168
150% Braking Torque
[W]
Type
150
150
TYPE 1
60
300
TYPE 1
50
400
TYPE 1
33
600
TYPE 2
20
800
TYPE 3
15
1200
TYPE 3
10
2400
TYPE 3
8
2400
TYPE 3
5
3600
TYPE 3
5
3600
TYPE 3
-
-
-
-
-
-
-
-
-
-
-
-
600
150
TYPE 1
300
300
TYPE 1
200
400
TYPE 1
130
600
TYPE 2
85
1000
TYPE 3
60
1200
TYPE 3
40
2000
TYPE 3
30
2400
TYPE 3
20
3600
TYPE 3
20
3600
TYPE 3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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