Statements (22)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
variable voltage variable frequency drive
|
| gptkbp:alternativeTo |
resistor control
chopper control |
| gptkbp:category |
industrial automation
railway traction equipment |
| gptkbp:controls |
AC motors
|
| https://www.w3.org/2000/01/rdf-schema#label |
Mitsubishi Electric VVVF
|
| gptkbp:manufacturer |
gptkb:Mitsubishi_Electric
|
| gptkbp:marketedAs |
1990s
|
| gptkbp:purpose |
noise reduction
energy saving smooth acceleration |
| gptkbp:technology |
gptkb:IGBT
GTO thyristor |
| gptkbp:usedBy |
gptkb:Japan_Railways_Group
gptkb:Tokyo_Metro various Asian railways |
| gptkbp:usedIn |
subways
elevators electric trains |
| gptkbp:bfsParent |
gptkb:NT10000_series
|
| gptkbp:bfsLayer |
8
|