Compound Wound Motor

The compound wound motor is a dualexcitation DC motor fitted with both series and shunt field windings. It combines high starting torque and moderate speed stability, suited for industrial equipment with variable loads, heavyload startup and periodic impact loads.

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Product Introduction

Shenyang Electric Machine Manufacturing Co., Ltd. is one of the leading manufacturers and suppliers of compound wound motor in China. As we have world-leading production equipment and strong manufacturing capabilities, we warmly welcome you to buy premium compound wound motor at competitive price from our factory. Also, quotation is available.

Main magnetic poles are equipped with series winding and shunt winding simultaneously. The series winding delivers large torque for heavy-load startup, while the shunt winding avoids the overspeed runaway risk that exists in pure series-wound DC motors. Two main types are available: cumulative-compound and differential-compound. Built with high-purity copper coils, reliable commutator-brush assembly and stress-relieved cast iron frame. It maintains relatively stable rotation speed under fluctuating load, supporting intermittent or continuous-duty heavy-duty transmission under industrial standards.

Selection Guide

Parameter Item	Parameter Details
Product Series	DGAM - WO Subseries Motor
Application Industries	Metallurgy / Mining / Construction Materials / Non-Ferrous Metal Smelting
Applicable Standards	IEC
Frame Range	H355 - H1120
Power Range	185 kW - 20000 kW
Rated Voltage	380 V / 3 kV / 6 kV / 10 kV
Applicable Frequency	50 Hz / 60 Hz
IP Rating	IP 23
Mounting Method	IM B3
Cooling Method	IC 01 / IC 06
Bearing Type	Rolling bearing / Sliding bearing
Insulation Class	F / H
Rotor Type	Wound Rotor

Product Characteristic 1 / Product Characteristic 2
Product Characteristic 1	Designation Explanation				Product Characteristic 2			Designation Explanation
HR	Rib-cooled				E4			IE4
BO	Box-type Open				E3			IE3
BA	Box-type Air-cooled				E2			IE2
BW	Box-type Water-cooled				VF			Variable Frequency
WO	Wound rotor Open				V			Vertical Mounting
WA	Wound rotor Air-cooled				PB			Pedestal Bearing
WW	Wound rotor Water-cooled
SP	Special
Cooling Method
Product Characteristic	No.	Cooling Method		Product Characteristic	No.	Cooling Method		Product Characteristic	No.	Cooling Method
HR	1	IC411		WO	1	IC01		SP	411	IC411



	6	IC416			6	IC06			416	IC416


BO	1	IC01		WA	1	IC611			1	IC01

	6	IC06			6	IC616			6	IC06

BA	1	IC611			66	IC666			611	IC611

	6	IC616		WW	1	IC81W			616	IC616

	66	IC666			6	IC86W			666	IC666

BW	1	IC81W							81	IC81W

	6	IC86W							86	IC86W
									37	IC37
Frame Size
LV(Low Voltage‌) ≤ 1000 V			MV(Medium Voltage) 1120 V ~ 6600 V			HV(High Voltage) 10000 V ~ 13800 V


80	315		355			355
90	355		400			400
100	400		450			450
112	450		500			500
132	500		560			560
160	560		630			630
180	630		710			710
200	--		800			800
225	--		900			900
250	--		1000			1000
280	--		1120			1120
Speed Grade
Poles	Synchronous Speed			Poles	Synchronous Speed		Poles		Synchronous Speed
2	3000 rpm			10	600 rpm		18		333 rpm
4	1500 rpm			12	500 rpm		20		300 rpm
6	1000 rpm			14	428.5 rpm
8	750 rpm			16	375 rpm

Product Advantages

Integrates merits of series-wound and shunt-wound DC motors, balanced torque-speed characteristics
Effectively prevents overspeed under no-load or light-load conditions
Strong overload resistance, fit for impact load and frequent startup
High-strength cast iron frame, good vibration resistance for workshop environments
Cumulative-compound / differential-compound optional for different site requirements

Product Application

Commonly applied in cranes, hoists, punch machines, reciprocating compressors, rolling mill auxiliary drives and material conveyors. Widely used in metallurgy, mining, port hoisting and heavy general machinery fields for working conditions requiring both heavy starting torque and basic speed stability.

FAQ

Q1: What makes this motor different from conventional DC motors for industrial transmission?

A1: Unlike ordinary single-excitation DC motors that have either unstable no-load speed or weak heavy-load startup capability, this compound wound motor adopts dual winding design to balance high starting torque and constant-speed stability, solving common operating pain points of traditional motors in variable load scenarios.

Q2: What working conditions is this dual-excitation industrial motor suitable for?

A2: It is tailored for complex industrial working conditions with frequent start-stop, sudden impact loads and fluctuating operating loads. With its unique structural advantages, the equipment can operate stably in heavy machinery, metallurgical transmission and mining supporting equipment scenarios.

Q3: What is the key advantage of the motor in long-term industrial operation?

A3: It features excellent load adaptability and structural durability. The optimized heat dissipation and insulation system resists long-term temperature rise and environmental erosion, effectively reducing failure rate and extending service life in continuous heavy-duty production.

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