IEEE Power Electronics Magazine - June 2016 - 32
Table 2. A market overview of industrial MV drives.
Manufacturer
Power
Voltage (kV)
topology
semiconductor
control Method
ABB [55]
0.315-5.0 MW
0.25-72 MW
2.0-36 MW
3.0-36 MW
2.0-72 MW
2.3-4.16
4.0-6.90
6.0-13.8
up to 3.3
2.1-10
3L-NPC-VSC
5L-NPC-VSC
5L-HNPC-VSC
IGBT
IGCT
DTC
SIEMENS [56]
0.15-14.2 MW
0.82-18 MW
2.8-31.5 MW
0.8-85 MW
2.3-4.16
3.3-7.2
2.3-12
4-7.2
MMC-VSC
3L-NPC-VSC
5L- NPC-VSC
IGCT
IGBT
LV/MV-IGBT
V/f
FOC
TMEIC [57]
4.0-120 MVA
1.25-7.2
3L-HNPC
5L-HNPC
5L-PWM
IGBT,
IGCT, IEGT
V/f
AMTECH [58]
0.25-12.5 MW
3.3-11
7L-CHB-VSC (3.3 kV)
9L-CHB-VSC (4.16 kV)
13L-CHB-VSC (6.6 kV)
19L-CHB-VSC (11 kV)
IGBT
V/f
FOC
ALSTOM [59]
1.4-7.2 MVA
2.2-8.0 MVA
7.0-9.5 MVA
8.3-13.5 MVA
up to 4.16
up to 4.16
up to 3.3
up to 10
2L-VSC
4L-FLC-VSC
3L-NPC-VSC
PWM-CSI
HV-IGBT
GTO
FOC
Schneider Electric [60]
0.5-10 MVA
2.3-6.6
3L-NPC-VSI
HV-IGBT
V/f
FOC
Fuji Electric [61]
5.2-10.5 MVA
0.28-8.3
9L-NPC-VSC
17L-NPC-VSC
HV-IGBT
V/f
FOC
DELTA GROUP [62]
0.28-9.52 MVA
3.3-11
7L-CHB-VSC (3.3 kV)
9L-CHB-VSC (4.16 kV)
13L-CHB-VSC (6.6 kV)
19L-CHB-VSC (10 kV)
21L-CHB-VSC (11 kV)
HV-IGBT
V/f
FOC
EATON Corporation [63]
0.22-4.29 MVA
2.4-13.8
3L-NPC-VSC
IGBT
V/f
Toshiba International
Corporation [64]
0.22-3.73 MVA
2.4-4.16
9L-NPC-VSC
IGBT
V/f
FOC
WEG Equipamentos
Elétricos [65]
up to 3.36 MVA
2.3-4.16
3L-NPC-VSC
5L-NPC-VSC
HV-IGBT
V/f
Hitachi [66]
0.31-10 MVA
2.4-11
2~9L-CHB-VSC
HV-IGBT
FOC
INGETEAM [67]
0.8-36 MVA
2.3-6.9
3L-NPC-VSC
HV-IGBT, IGCT
V/f, FOC
Rockwell
Automation [68]
1.5-25.4 MVA
2.4-6.6
3L-NPC-VSC
5L-NPC-VSC
HV-IGBT
SGCT, SCR
FOC
Yaskawa [69]
0.15-3.73 MVA
2.4-4.16
9L-CHB-VSI
17L-CHB-VSI
IGBT
V/f
FOC
MW: megawatt; MVA: megavoltampere; NPC-VSC: neutral-point-clamped-voltage source converter; HNPC: H-bridge neutral-point-clamped; MMC: modular
multilevel converter; CHB: cascaded H-bridge; LV: low-voltage; HV: high-voltage; GTO: gate turn-off thyristor; SGCT: symmetric gate-commutated thyristor;
DTC: direct torque control; V/f: voltage/frequency; FOC: field-oriented control.
reduce their overall reliability and efficiency. On the other
hand, an inverter with a lower number of output voltage
levels requires a large LC output filter to decrease the
motor winding insulation stress. The challenge is to reduce
waveform distortions and total harmonic distortion when
the lower switching frequency is used, to ensure high
power quality, and to allow fast transient operations. The
switching loss due to the fast transition is an important
32
IEEE PowEr ElEctronIcs MagazInE
z June 2016
issue that should be considered in MV drives. The maximum and minimum modulation depth and a power factor
range between 1 and −1 are the critical operating points
of MIs. When applying continuous modulation methods,
some switching devices reach their maximum allowable junction temperature, while other switches remain
much cooler. Unbalanced distributions of junction temperatures depend on the type of modulation method used.
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