Annex A; Dimension Of Power Supply And Regenerative Units; Figure 22: Dimension Of Power Supply And Regenerative Units - KEB COMBIVERT R6 Instruction Manual

Annex A

A. Annex A
A.1

Dimension of power supply and regenerative units

Dimensioning of the power supply and
onlyregeneration ?
Decoupling R6-N (see 4.4.3 to
Acquire:
PM, PMmax, t1, T, ηM, ηG, ηFI
Calculate:
ILG, ILGmax
IDCmax > ILGmax
T < 300 s
t1 > 60 s
IDC > ILG
Regenerative unit capable
PM Mechanical power
PM- Max. mechanical power
max
t1 Overload time
t Load cycle
N Number R6-N
Figure 22:
50
regenerative unit
no
yes
4.4.5)
select higher unit or par-
allel connection of R6-N
(n • IDC, n • IDCmax)
no
yes
yes
no
yes
no
no
yes
η
M
ηG
ηFU
ILM
ILM-
max
Dimension of power supply and regenerative units
Acquire:
CZK_all > CZK_max
C
ZK_all
P , P
M Mmax
Calculate: ILM, ILMmax
IDCmax > ILMmax
Calculate: ILG, ILGmax
IDCmax > ILGmax
Power supply / regenerative unit capable
Motor efficiency
Gearbox efficiency
Inverter efficiency
DC load mot. current
Max. DC load mot. current CZK_all DC link capacity of all fre-
yes
no
Acquire:
, t1, T, η η η
M, G, FI
select higher unit or parallel con-
nection of R6-N (n • IDC, n • IDC-
no
yes
yes
T < 300 s
no
yes
t1 > 60 s
no
no
IDC > ILM
yes
select higher unit or parallel con-
nection of R6-N (n • IDC, n • IDC-
no
yes
no
IDC > ILG
yes
IDC DC output current R6-N
IDCmax Max. DC output current
R6-N
ILG DC load regen. current
ILGmax Max. DC load regen. current
quency inverters
CZK_ Max. connecting capacity
max R6-N
Bridge over ext.
load-shunt with
contactor (special
unit)
max)
max)