Wound Rotor Motor

Wound Rotor Motor is a professional slip-ring three-phase asynchronous motor compliant with GB/T 30143 and IEC 60034 international standards. Different from conventional squirrel-cage motors with closed rotor structure, it adopts open three-phase symmetrical rotor winding design, allowing external series resistance or rheostat access.

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Product Introduction

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

This wound rotor motor series complies with IEC international standards, covering frame sizes H355–H1000 and power 20000kW. It supports 50Hz/60Hz dual frequency operation and customizable 3kV/6kV/10kV high voltage specifications. It stably supports S1 continuous operation and S3 intermittent cyclic operation. Compared with same-power squirrel cage motors, it boosts starting torque by 20%–40% and cuts starting current by 30%–50%, effectively reducing grid startup impact.

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

Delivery Time

For high-power large-frame motors (H710–H1000, 1000kW–4500kW) and non-standard customized products with special voltage and protection grades, the production cycle is 90-150 working days.

All products adopt export-grade fumigated wooden box packaging, suitable for global sea and air transportation. We strictly follow contract delivery schedules and provide real-time logistics tracking services to ensure stable and punctual shipment.

FAQ

Q1: What are the core advantages of this wound rotor motor over ordinary cage motors?

A1: Its biggest highlight is the professional wound rotor structure with adjustable rotor circuit resistance. It achieves low-current heavy-load startup and high starting torque, paired with accurate and stable speed regulation. It effectively solves the common defects of conventional cage motors, such as poor heavy-load startup capability, large grid impact and unstable speed control. It is highly adaptable to heavy-duty scenarios like mining and metallurgy, with superior operational stability.

Q2: Can the motor support long-term full-load continuous operation?

A2: Yes. Equipped with dual IC01/IC06 cooling systems, F/H high-grade insulation and high-strength bearing structure, together with IP23 protection, the motor features excellent heat dissipation, high temperature resistance and anti-aging performance. It supports 24-hour full-load continuous operation and short-term overload operation, fully meeting long-cycle intensive industrial production demands.

Q3: Is the motor voltage and frequency adaptable for global projects?

A3: Absolutely. It covers mainstream industrial voltages including 380V, 3kV, 6kV and 10kV, and supports both 50Hz and 60Hz operating frequencies. Manufactured per IEC international standards, it boasts strong universality, perfectly matching power supply conditions for domestic production and overseas heavy industry projects.

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Phase Wound Rotor