Transformer for High Voltage Asynchronous Motor

Transformer for high voltage asynchronous motor is an essential auxiliary unit with insulation class F/H that powers critical support systems—like cooling fans and oil pumps—to ensure the stable operation of major power equipment across industries like metallurgy, mining, and chemical.

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Product Introduction

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

Our transformer for high voltage asynchronous motor serves as essential auxiliary drive equipment deployed near transformer rooms and distribution systems. It provides reliable power to critical support machinery, including cooling fans and oil pump units. Built with high protection and insulation standards, this transformer ensures the continuous, stable operation of auxiliary services around major power equipment across various industries.

Selection Guide

Parameter	Details
Product Series	DGAM - BA VF / BW VF Subseries Motor
Application Industries	Metallurgy / Mining / Water conservancy / Energy and Chemical Industry
Applicable Standards	IEC
Frame Range	Φ990 - Φ2900
Power Range	200 kW - 15000 kW
Rated Voltage	3 kV / 6 kV / 10 kV
Applicable Frequency	50 Hz / 60 Hz / 0-55 Hz
Power Factor	0.9 (Leading)
IP Rating	IP 00 / IP 21 / IP 23 / IP 44 / IP 54
Mounting Method	IM 7211 / IM 7311
Cooling Method	IC 01 / IC 37 / IC 86W / IC 97W
Bearing type	Pedestal Sliding Bearing
Insulation Class	F / H
Rotor Type	Separate Static Thyristor Excitation

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

Precisely Matched to Auxiliary Equipment: Specifically designed for auxiliary systems-such as cooling fans and oil pumps for electric motors-enabling power supply in close proximity and minimizing transmission losses.

High Insulation Class and Long Service Life: Features Class F/H insulation with a high thermal margin, ensuring excellent performance during prolonged high-load operation or even localized overloads.

Ensures Safe Operation of the Main Unit: Provides a stable and reliable power supply to guarantee the continuous, uninterrupted operation of auxiliary systems, effectively preventing shutdowns of large high-voltage motors caused by failures in cooling or lubrication.

Product Applications

Metallurgy: Provides voltage transformation and isolated power supply for large-scale loads-such as main rolling mill motors, blast furnace blowers, and continuous casting machines-ensuring voltage stability under shock-loading conditions.
Mining: Supplies power tailored to high-voltage motors for mine hoists, large crushers, ball mills, and underground ventilation fans, while withstanding harsh mining environments characterized by humidity, dust, and explosion-proof requirements.
Water Conservancy: Delivers high-voltage power to large pumping units (including intake, drainage, and irrigation pumps) and gate operating mechanisms, ensuring the continuous, long-term operation of water conservancy facilities.
Energy & Chemical Industry: Powers critical equipment such as compressors, high-voltage pumps, reactor agitator motors, and air separation units, meeting the petrochemical sector's stringent requirements for explosion-proof capabilities, corrosion resistance, and power supply reliability.

Motor energy efficiency rating

A transformer for high voltage asynchronous motor's energy efficiency rating is a key indicator of energy loss during the conversion of electrical energy into mechanical energy. Which corresponds to the international IEC 60034-30 IE (International Efficiency) classification system; with efficiency increasing and energy losses decreasing at each successive level.

FAQ

Q: Where does transformer for high voltage asynchronous motor work?

A: It works around transformer auxiliary systems, especially fans and oil pumps.

Q:How does this transformer help protect the main high-voltage motor?

A:By ensuring an uninterrupted and stable power supply to the auxiliary cooling and lubrication systems, it directly prevents unexpected primary motor shutdowns caused by overheating or oil failures.

Q:How does this transformer handle voltage fluctuations in heavy industrial grids?

A:It features an optimized electromagnetic design that provides excellent voltage regulation and high short-circuit impedance, allowing it to maintain stable auxiliary output even during primary grid voltage dips.

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