Danfoss VACON 3000 Application Manual page 314

VACON® 3000
Application Guide
9 Precharge
9.1 Pre-charge State Diagram
AFE_IS_PHASE_LOCKED
OR
DFE_IS_READY
AND
INU_IS_READY
AND
lnitializeTimer = TRUE
MAIN_CONTACTOR_INACTIVE
OR
AFE_IS_READY
Illustration 54: Pre-charge State Diagram
9.2 Power On State Diagram
314 | Danfoss A/S © 2021.09
All States
INITIALIZE
- lnilialize checks
- Reset outputs
READY
- Close Precharge Permissive
Unloaded states
PRECHARGE_FEEDBACK_ACTIVE
CHARGING
DcLinkVoltage ≥ DC_VOLTAGE_NOMINAL
SYNCHRONIZE
- AFE_MODE_GRID_FOLLOW
AFE_IS_SYNCHRONIZED
DFE_IS_READY
CONTACTOR_CLOSE
- Close KMXP
- Close KMX
MAIN_CONTACTOR_ACTIVE
DC_STABILIZE
- Open KMX
- Open PCP
- AFE_MODE_DC_FEEDBACK
AFE_IS_STABILIZED
DFE_IS_READY
PRECHARGE_FEEDBACK_INACTIVE
OPERATIONAL
- INU_RUN_ENABLE
INU_IS_OPERATIONAL
INU _IS_ NOT_ OPERATIONAL
LOADED
MAIN_CONTACTOR = INACTIVE
AND
MAIN_PILOT = ACTIVE
WaitPilotOpenTimer = TRUE
MAIN_CONTACTOR = ACTIVE
WaitMainOpenTimer = TRUE
PRECHARGE = ACTIVE
WaitPrechargeOpenTimer = TRUE
DcLinkVoltage > DC_VOLTAGE_MINIMUM
WaitDischargeTimer = TRUE
AFE_IS_PHASE_LOCKED = FALSE
DFE_IS_READY = FALSE
INU_IS_NOT_READY
MAIN_PILOT_FEEDBACK_ACTIVE
MAIN_CONTACTOR_FEEDBACK_ACTIVE
AFE_IS_INITIALIZING
INU_IS_NOT_READY
MAIN_PILOT_FEEDBACK_ACTIVE
MAIN_CONTACTOR_FEEDBACK_ACTIVE
PRECHARGE_FEEDBACK_INACTIVE
DcLinkSlewRate > DC_SLEW_RATE_MAXIMUM
DcLinkSlewRate < DC_SLEW_RATE_MINIMUM
MinSlewDelayTimer = TRUE
ChargingTimeoutTimer = TRUE
MAIN_PILOT_FEEDBACK_ACTIVE
MAIN_CONTACTOR_FEEDBACK_ACTIVE
PRECHARGE_FEEDBACK_INACTIVE
DcLinkVoltage < DC_VOLTAGE_MINIMUM
SynchronizeTimer = TRUE
OR
MAIN_PILOT _FEEDBACK_INACTIVE
WaitPilotCloseTimer = TRUE
DcLinkVoltage < DC_VOLTAGE_MINIMUM
AFE_IS_PHASE_LOCKED
CloseContactorTimer = TRUE
PRECHARGE_FEEDBACK_ACTIVE
WaitPrechargeOpenTimer = TRUE
MAIN_CONTACTOR_INACTIVE
AFE_IS_PHASE_LOCKED
StabilizeTimer = TRUE
OR
AND
XFE_IS_STABILIZED = FALSE
PCC_DFE_IS_READY = FALSE
PRECHARGE_FEEDBACK_ACTIVE
FEEDBACK_MAIN_CONTACTOR_INACTIVE
FEEDBACK_PRECHARGE_ACTIVE
XFE_IS_NOT_STABILIZED
DcLinkVoltage > DC_VOLTAGE_MAXIMUM
MAIN_PILOT = INACTIVE
PCC_FAIL
PRECHARGE = INACTIVE
XFE_NOT_FAULTED
INU_NOT_FAULTED
FaultResetTimeout = TRUE
AND
AND
OR
AND
AND
OR
AND
OR
AFE_IS_ENABLED
AFE_IS_READY
OR
AFE_IS_FAULTED
OR
AND
OR
AND
OR
AND
OR
OR
OR
AFE_IS_READY
AB319735759636en-000101 / DPD01822
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