CNR Changchun QKZ7 (CCQG3000)

The CNR Changchun QKZ7 (CCQG3000) is a six-section, 70% low floor light rail vehicle developed by the then CNR Changchun. Contracts for the procurement of 40 six-section LRVs were signed in 2008, with the first LRVs delivered in 2010. The QKZ7 consists of two traction units, resembling a coupled QKZ3, but without the redundant driver cabs. This allowed a more than double increase in capacity. Further innovations during the development of the QKZ7 allowed the local content level to reach 70%. Like the QKZ3, it also had an aluminium body to reduce weight. LRVs #3001 to #3031 used ELIN EBG ETRIS T1000 WRG-750/1500-LD and Skoda 11MLU 3443 K/4 traction motors; #3032 to #3040 used Dalian Traction CNTRAC TC-240/A-01 IGBT-VVVF and CNR Yongji YJ146A traction motors.

The QKZ7 also supports future expansion of the LRV into a nine-section configuration.

Formation/编组：Mc+Tp+M=M+Tp+Mc
Length/全长：54.95 m
Width/宽度：2650 mm
Height/高度：3600 mm (excluding pantograph 不包括受电弓)
Operating speed/设计运营速度：70 km/h
Axle load/轴重：12 t （M,Mc），10.5 t（Tp）

QKZ7 (CCQG3000)为北车长春轨道客车制造的六模块（分两个动力单元）70%低地板有轨电车。40列六模块轻轨列车合同于2008年签订，首列QKZ7于2010年出厂。QKZ7采用铝合金车体，具有轻量化、耐腐蚀性强、便于维护的优点，能够保证车辆具有良好的密封性能和外观平整度，使车辆更加舒适。长客股份公司自主设计研发和集成车辆的各零部件和系统，达到了最佳匹配，体现了其系统集成水平的先进性。同时使车辆的国产化率达到70%以上，满足国家政策要求。原编号3001至3031采用了ELIN EBG ETRIS T1000 WRG-750/1500-LD IGBT-VVVF配斯柯达运输11MLU 3443 K/4牵引电机，3032至3040采用大连电牵CNTRAC TC-240/A-01 IGBT-VVVF配北车永济YJ146A牵引电机。

QKZ7支持未来扩编成九模块轻轨列车。

参考：长春轻轨三期工程车辆特点

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