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AC90 TENSION CONTROL FREQUENCY INVERTER MANUAL
Braking unit (braking resistance) connection
Braking resistance connection of machine below 18.5KW
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Chart 3-19: Braking resistance connection of AC90 series inverter below 18.5KW
Braking unit connection of machine above 22KW
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Chart 3-20: Braking resistance connection of AC90 series inverter above 22KW
Suggested braking resistance specification parameters
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Braking resistance value and power in the chart are decided according to common inertia load and intermittent braking
mode. While used in large inertia occasion or long time frequent brake occasion, please adjust resistance value and
power according to the inverter specification and the rated parameter of braking unit. If any problem, please consult
customer service department of Shenzhen Veichi electric company.
Motor power(kW)
0.75 kW
1.5 kW
2.2 kW
4.0 kW
5.5 Kw
7.5 kW
11 kW
15 kW
18.5 kW
22 kW
30 kW
Three-phase 380V
Resistance value(Ω)
750Ω
400Ω
250Ω
150Ω
100Ω
75Ω
50Ω
40Ω
32Ω
28Ω
24Ω
28
BASIC OPERATION AND TRIAL RUN
Resistance power(kW)
150W
300W
400W
500W
600W
780W
1,200W
1,500W
2,000W
2,200W
3,000W
Braking moment (%)
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
100%
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