Motor Stalls During Acceleration - Veikong gpd 515/g5 Startup Manual

CHECK IF SPECIAL
MOTOR IS USED.
YES
V/f SELECTION
APPROPRIATE?
NO
WITH DRIVE
IN STOPPED
CONDITION, SET
OPTIMUM V/f
PATTERN BY
REPROGRAMMING
E1-03 .
- DECREASE LOAD
INERTIA.
- EXTEND ACCEL-
ERATION TIME BY
REPROGRAMMING
C1-01, C1-03, C1-05,
OR C1-07 .
TROUBLESHOOTING CHART 6.2

MOTOR STALLS DURING ACCELERATION

ACCELERATION TIME
TOO SHORT?
NO
LOAD TORQUE
TOO HIGH?
NO
LOAD
NO
INERTIA
LARGE?
YES
CONTROL METHOD?
V/F
or
V/F w/ PG Open Loop Vector
LARGE MOTOR
TERMINAL
VOLTAGE DROP?
NO
YES
YES
Flux Vector
or
YES
- DECREASE LOAD
TORQUE.
- REPLACE DRIVE
WITH ONE OF
LARGER
CAPACITY.
6-13
WITH DRIVE IN
STOPPED CONDITION,
EXTEND ACCELER-
ATION TIME BY
REPROGRAMMING
C1-01, C1-03, C1-05,
OR C1-07 .
- USE LARGER WIRE
BETWEEN DRIVE
AND MOTOR.
- SHORTEN WIRING
DISTANCE BETWEEN
DRIVE AND MOTOR.