Siemens EK 726 Series Wartungshandbuch PDF herunterladen (Seite 41)

ENGINEERING INFORMATION AND INSTRUCTIONS

MICROMASTER

MICROMASTER Vector

MIDIMASTER Vector

SIEMENS DA 64 – 2002/2003

3/17 Version D

Maximum output current referred to the pulse frequency

As a result of higher switching losses at increased switching frequencies, the maximum continuous current (100 %) of some drive inverters

can be reduced, if a pulse frequency other than the standard pulse frequency is selected.

Type Perm. load as a % of the

max. continuous current

at 16 kHz at 8 kHz

MMV75/3 80 100

MMV110/3 50 80

MMV150/3 50 80

MMV220/3 80 100

MMV300/3 50 80

MMV400/3 50 80

MMV550/3 50 80

MMV750/3 50 80

Note: If the pulse frequency is either 2 or 4 kHz, the above mentioned drive inverters are not de-rated.

Type

Perm. load as a % of the

max. continuous current

at 16 kHz at 8 kHz

MDV550/2 39 75

MDV750/2 64 90

MDV1100/2 55 75

MDV1500/2 38 68

MDV1850/2 43 79

MDV2200/2 38 68

MDV750/3 55 100

MDV1100/3 39 75

MDV1500/3 64 90

MDV1850/3 55 75

MDV2200/3 40 75

MDV3000/3 47 88

MDV3700/3 40 75

MDV550/4 75 100

MDV750/4 55 100

MDV1100/4 39 75

MDV1500/4 64 90

MDV1850/4 55 75

Note: For all other Size 6 drive inverters, 575 V and Size 7 MIDIMASTER Vector, the pulse frequency can either be 2 or 4 kHz.

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