Wound Induction Motor

The wound induction motor is a professional slip-ring asynchronous motor designed for complex heavy-load industrial working conditions.

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Product Introduction

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

The Wound Induction Motor, also named slip ring asynchronous motor, is a professional three-phase industrial motor manufactured strictly in accordance with IEC 60034 international standards. Different from conventional squirrel-cage motors, it adopts insulated three-phase symmetrical distributed rotor windings led out via slip rings and carbon brushes, allowing external connection of adjustable resistors or liquid rheostats for controllable operating performance.

Selection Guide

Parameter Item	Parameter Details
Product Series	DGAM - WA PB / WW PB Subseries Motor
Application Industries	Mining / Construction Materials / Metallurgy / Non-Ferrous Metal Smelting
Applicable Standards	IEC
Frame Diameter Range	Φ990 - Φ2600
Power Range	500 kW - 8000 kW
Rated Voltage	3 kV / 6 kV / 10 kV
Applicable Frequency	50 Hz / 60 Hz
IP Rating	IP00 / IP20 / IP21 / IP23 / IP44
Mounting Method	IM7211 / IM7311 / IM7321
Cooling Method	IC01 / IC97W
Bearing Type	Pedestal 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

Operation & Maintenance Notes

Standard operation and regular maintenance can effectively avoid failure, reduce wear and extend the service life of the wound induction motor.

1. Pre-operation Check

Check the insulation resistance of stator and rotor windings before startup. Ensure the slip ring and carbon brush assembly are clean and in good contact. Verify external rotor resistance or rheostat devices are correctly connected to avoid abnormal starting current.

2. Startup & Running Precautions

Strictly avoid direct full-voltage startup without external resistance. Keep stable voltage and load during operation. Frequent overload and long-time locked-rotor operation are forbidden to prevent winding overheating and burnout.

3. Slip Ring & Carbon Brush Maintenance

Regularly check brush wear, spring pressure and sliding flexibility. Keep the slip ring surface smooth and clean without spark traces. Clean internal carbon dust periodically to prevent insulation deterioration and flashover.

4. Daily Running Monitoring

Monitor motor temperature, running current, vibration and noise in real time. Stop operation immediately if continuous sparking, overheating or abnormal vibration occurs, and troubleshoot in time.

FAQ

Q1: What is the biggest advantage of wound rotor industrial motors?

A1: They achieve low starting current and high starting torque, enabling smooth startup under heavy load and frequent impact load conditions, which is ideal for industrial heavy machinery.

Q2: Can this motor support speed regulation?

A2: Yes. By connecting external rotor resistance, it realizes stable and stepless speed adjustment, meeting variable-speed operation demands for production equipment.

Q4: What kind of industrial equipment is this motor suitable for?

A4: Professional and reliable, thewound induction motor is widely used for ball mills, crushers, conveyors and hoisters in mining, metallurgy and cement industries.

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Three Phase Wound Rotor Induction Motor

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