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Overview diagram of the drive system
The diagram below depicts a common DC bus drive system.
Description
No.
AC supply
1
Input (AC) fuses
2
Supply unit
3
DC bus
4
Inverter DC fuses (with or without a DC switch-disconnector)
5
Inverter units (in this example, one of the two units consists of two inverter modules connected in par-
allel)
6
Brake unit (brake resistors not shown)
7
Motor(s)
8
The supply unit connects to the AC supply network and converts the AC voltage into DC.
The DC voltage is distributed through the DC bus to all inverter units. The inverter unit,
consisting of one or more inverter modules, converts the DC back to AC that rotates the
motor.
The inverter units can be used for controlling asynchronous AC induction motors, permanent
magnet synchronous motors, AC induction servomotors and ABB synchronous reluctance
motors (SynRM).
16 Hardware description
Summary of Contents for ACS880-107
Page 1: ... ABB INDUSTRIAL DRIVES ACS880 107 inverter units Hardware manual ...
Page 2: ......
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Page 10: ...10 ...
Page 64: ...2 4 5 6 7 8 11 10 3 a b a b b 1 5 a 64 Electrical installation ...
Page 69: ...Electrical installation 109 5 6 4 3 Electrical installation 69 11 ...
Page 70: ...7 a b d c 110 Electrical installation 7 8 8 8 9 9 70 Electrical installation ...
Page 75: ...2 11 b PE 10 7 5 6 8 a 360 grounding detail Electrical installation 75 11 ...
Page 89: ...With FDPI 02 modules OPEN TERMIN ATED 1 1 2 2 OPEN TERMINATED 3 Electrical installation 89 11 ...
Page 90: ...90 ...
Page 96: ...96 ...
Page 110: ...4 5 6 7 8 6 10 10 110 Maintenance ...
Page 118: ...2 3 7 9 a a c c c 6 8 b b d d 11 e e 118 Maintenance ...
Page 121: ...7 a b d c 110 Electrical installation 7 8 8 8 9 9 Maintenance 121 ...
Page 130: ...130 ...
Page 154: ...154 ...
Page 155: ...Circuit diagrams Refer to the circuit diagrams delivered with the unit 9 Circuit diagrams 155 ...
Page 156: ...156 ...
Page 159: ... Dimension drawing 400 mm wide cubicle R1i R4i 400 mm R6i R7i Dimensions and weights 159 ...
Page 161: ... Dimension drawing R8i without C128 or H353 bottom cable exit Dimensions and weights 161 ...
Page 162: ... Dimension drawing R8i without C128 or H353 top cable exit 162 Dimensions and weights ...
Page 163: ... Dimension drawing 2 R8i without C128 or H353 bottom cable exit Dimensions and weights 163 ...
Page 164: ... Dimension drawing 2 R8i without C128 or H353 top cable exit 164 Dimensions and weights ...
Page 165: ... Dimension drawing 3 R8i without C128 or H353 bottom cable exit Dimensions and weights 165 ...
Page 166: ... Dimension drawing 3 R8i without C128 or H353 top cable exit 166 Dimensions and weights ...
Page 167: ... Dimension drawing drive control unit DCU 300 mm Dimensions and weights 167 ...
Page 169: ...Inverter module cubicle with one R8i module top cable exit Dimensions and weights 169 ...
Page 182: ...182 ...
Page 200: ...200 ...