ABB ACS880-104

Parameters 301
30.102 LSU limit word 2 (Only visible when IGBT supply unit control activated by
95.20)
Displays limit word 2 of the supply unit.
This parameter is read-only.
-
0000h…FFFFh Supply unit limit word 2. 1 = 1
30.103 LSU limit word 3 (Only visible when IGBT supply unit control activated by
95.20)
Displays limit word 3 of the supply unit.
This parameter is read-only.
-
0000h…FFFFh Supply unit limit word 3. 1 = 1
No. Name/Value Description Def/FbEq16
Bit Name Description
0 Q user ref max 1 = Reactive power reference is being limited
1 Q user ref min
2 Q cooling
overtemp
1 = Reactive power reference is being limited because of coolant
overtemperature
3 Q power unit
overtemp
1 = Reactive power reference is being limited because of supply unit
overtemperature
4 AC overvoltage 1 = AC overvoltage protection
5…6 Reserved
7 AC diff max 1 = (When AC voltage-type reactive power reference is being used)
Input of AC control is being limited
8 AC diff min
9…15 Reserved
Bit Name Description
0 Undervoltage
limit
1 = Power is being limited by the undervoltage controller
1 Overvoltage limit 1 = Power is being limited by the overvoltage controller
2 Motoring power 1 = Power is being limited by temperature or user power limits (see
parameters 30.148 and 30.149)
3 Generating
power
4 Active current
limit
1 = Active current is being limited. For details, see bits 6…9 and
14…15.
5 Reactive current
limit
1 = Reactive current is being limited. For details, see bits 12…13.
6 Thermal limit 1 = Active current is being limited by internal main circuit thermal limit
7 SOA limit 1 = Active current is being limited by internal safe operation area limit
8 User current limit 1 = Active current is being limited by current limit set by supply control
program parameters
9 Thermal IGBT 1 = Active current is being limited based on internal maximum thermal
IGBT stress limit
10…11 Reserved
12 Q act neg 1 = Negative reactive current is being limited by maximum total current
13 Q act pos 1 = Positive reactive current is being limited by maximum total current
14 P act neg 1 = Negative active current is being limited by maximum total current
15 P act pos 1 = Positive reactive current is being limited by maximum total current