Abstract: GD300L is special elevator drive developed for all type of elevator like home lifts, passenger and goods lifts etc. This paper gives the detailed solution installation and commissioning details for VVVF drive. Engineering practices, market survey and feedback show that GD300L has good control performance and stability compare to other brands.
Keywords: INVT GD300L, Johnson controller and Geared Machine, Elevator AC drive.
GOODRIVE300L series inverters are the new-generation inverters developed based on INVT’s newest control platform. As using TI 28-series DSP and advanced vector control technology, Goodrive300L series inverter improved great achievements in security and reliability, control performance, use functions and basic performance.
Ability to drive asynchronous (Geared) and synchronous (Gearless) motors
Support open loop control mode without encoder and closed loop control mode with encoder.
Static motor auto tuning for the initial pole angle so that not required to de-roping of the motor
Support multiple type of encoder: Support incremental, sine-cosine, absolute encoders.
Energy saving running mode: Support the use of RBU, implementing energy saving running.
Optional LCD keypad.
II.Configuration of GD300L elevator
Installation of GD300L on lift has below detail:
Tab 1 Lift information
6 persons, 408KG
Rated power of motor
Fig INVT GD300L Control Panel and motor with nameplate
1.GD300L electrical configuration
According to the lift configuration and the demanding functions, we provide the electrical solution as follow. Considering higher ambient temperature, one grade higher of machine rating is selected.
Tab 2 Configuration list
40 OHM 4000W
2.GD300L parameter setting
Basic parameters setting are as follow.
GEARED MOTOR WITH GD300L (OPEN LOOP)
SPEED CONTROL MODE
RUN COMMAND CHANEL
LIFT RATED SPEED
DEPENDS ON MOTOR NAME PLATE
MOTOR OVERLOAD DRIVE TRIP
SLOW SPEED (S3)
HIGH SPEED (S4)
INSPECTION COMMAND (S5)
MAKE SURE MOTOR CONTACTOR IDS "ON" AND DISPLAY IS SHOWING "TUN E"
IF MOTOR CONTACTOR IS NOT "ON" THEN PRESS IT EXTERNALLY WITH TESTER OR SCREEWDRIVER
THEN PRESS GREEN COLOUR (RUN) BUTTON OF DRIVE
DISPLAY WILL SHOW RUN-1…RUN-2…RUN-3…AND THEN "END" AND MOTOR TUNNING WILL SUCCEED. IT WILL TAKE 120 SEC.
MAKE P00.01=1 AND TRY TO RUN THE MOTOR WITH UP OR DOWN COMMAND.
(IN DRIVE SHORT PW AND COM)
# IN CONTROL CARD SS WIRE (TRAVELLING CONNECTOR STRIP) SHORT TO SEEK SIGNAL (CONTROL CARD)
# REMOVE SHORT SEEK SIGNAL AND RUN SIGNAL FROM CONTRL CARD
After installation of the gd300l drive in three different type of elevator application as for
1. Gearless Motor (Close loop with encoder)
2. Geared Motor (Close loop with encoder)
3. Geared Motor (Open loop without encoder)
It is concluded that the gd300l drive gives very nice performance with easy debugging.