QMA Electric (Shanghai) Co., Ltd.

Q-7000 series of brilliant inverters for operation of elevators and escalators are designed to have a lot of exclusive features including Q-7000-EC especially for escalator, Q-7000-EL and Q-7000-IP especially for elevator. 

Q-7000 series are all the type adopting IGBT’s PWM control and current vector control, V/F control. Q-7000 series have the function such as connection-point-memory & DC0-10V EASY TUNING, loading compensation for start-up torque, and manual vernier adjustment correcting. High efficiency and safe function, 300% torque compensation. Monitor torque compensation output of the inverter at anytime so as to reduce the shocking the elevator during running. The series of products has easy tuning function to the motor parameters and are complied with the regulation of GB, with braking unit (for≤45kw) and speed feedback unit.

Q-7000-EC is for open loop control without built in PG card, especially used for escalator with brilliant performance by long life design and support RS-485 communication port....

Power range: Three phase 220V  2.2-110kw
                    Three phase 440V   2.2-315kw
Input Voltage: 3-phase 200V-240V; /  3-phase 380-460V ; /  50/60Hz
Output frequency: 0.1-400Hz

Square torque curve special for blower and water pump
Adjustable V/F operating mode
New-generation of IGBT application, high switching frequency reduces noise effectively
RS485 port and MODBUS communication protocol are flexible for various connections.
With autotuning function and can be operated in current vector.
Stall prevention function ensures the system safety effectively.
 

Main features: 
Power range: Single/Three phase  0.4-2.2kw  220V
                      Three phase  0.4-2.2kw          380V

Input Voltage: Single/Three phase  180-264V

                        3-phase 342-528V  50/60Hz...

[INTRODUCTION]

Q9000 Series is a kind of high performance universal vector control inverter. Current vector technology and advanced modern control theory are used to provide more torque in operation at low speed and achieve high performance dynamic control. There are four control modes to select:Real current vecotor control / torque control /v/f control with PG/v/f control without PG. Even without PG vector control, it can obtain a high torque and failure-free operation from a low speed at 1%; While with PG control, it can easily obtain high torque operation at 0 speed, which is the ideal choice for you to improve the quality and productivity.

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