Z Series Medium-Sized DC Motors

The DC motor in the Z series is a newly developed and updated product by our company. Adopting a new design, it features high output power, low noise, small vibration, high efficiency, high reliability and good safety performance.

Customer benefits

It features high output power, large torque and adjustable speed

It adopts a VPI vacuum pressure immersion F-class insulation system, which can withstand short-term overload operation

Low loss has been achieved through high efficiency

A long brush life has been achieved by using an optimized current circulation system

Cold rolling and hot rolling mills in large-scale metallurgical industries

Large-scale internal mixers for the rubber and plastic industry

Coal mills in the mining industry

· Hoist for hydropower generation

· Large blower

a. As the frame is of angular thin steel laminations structure, the motor is small in volume, light in weight and can be powered by silicon controlled rectified source. Mean while it has good commutating performance in case sudden change of load current occurs. Insulation treatment ofVPI applied on the integral stator and rotor makes the windings good in anti-humidity performance, mechanical strength and insulation thermal conductivity. The armature core made up with silicon steel laminations has good magnetic - conductivity. Rolling bearings with operating oiling construction are adopted. The motor insulation is class H.

b. The mounting of the motors conform to Symbols for Types of Construction and Mounting Arrangements of Rotating Electrical Machinery specified in GB 997 and IEC 34-7.

c. IP 23 and IP44 is adopted for the motors protection of this series, which conform to the standard of Classification of Degrees of Protection Provided by Enclosures for Rotating Machines specified in GB 4942-1 and IEC 34-5. IC06, IC17, IC37 and ICW37A86 is adopted for the cooling of this series motors, which conform to the standard of Methods of Cooling Rotating Machinery specified in GB 1993 and IEC34-6.Other types of protection and cooling required by customers can be negotiated. The standard cooling air outlet locates on the side of driving end,(non commutator end).

1.Continuous working system(S1)is applied.

2.The standard rated voltage of this series motors are 220 V, 330V, 440V, 550V and 660V. The voltage beyond above scope can be negotiated when placing orders.

3.Separate excitation is the basic excitation type of this series motors. Four terminals of the excitation winding are divided into two groups. In case the two groups are in series or parallel connection. The excitation voltage is 220V or 11- OV respectively. Excitation voltage beyond the scope can be negotiated. Forced excitation is allowed with the voltage ofless than 500V. During forced excitation, the transient excitation current can exceed the rated excitation current slightly until the excitation current gets stabilized.

4.short time overload capability: The DC motor (class A) can sustain the short time (1 min) overload specified in the following list: