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CRRC YBVF-50A Motor

CRRC YBVF-50A is a flameproof variable-frequency three-phase induction motor specially designed for variable-speed mining machinery in underground coal mine service. Rated at 50 kW, it operates at a rated voltage of 1140 V with a rated current of 39 A, a rated speed of 1485 r/min, a rated frequency of 50 Hz and a rated torque of 322 N·m. The variable-frequency design enables smooth speed regulation of mining equipment while the flameproof construction ensures safe operation in hazardous atmospheres.
We offer comprehensive life-cycle support for the motor, covering equipment supply, on-site installation and commissioning, maintenance training, spare parts provision, and ongoing technical troubleshooting services.

Advantages of CRRC YBVF-50A Motor

  • Variable-frequency design enables smooth stepless speed regulation of mining drives.

  • Flameproof construction ensures safety in explosive underground atmospheres.

  • 1140 V rated voltage matches standard underground mining power supply.

  • Inverter-duty insulation withstands variable-speed voltage stress.

  • Energy-efficient variable-speed operation reduces power consumption.

Technical Specifications

Motor Model: YBVF-50A
Rated Power: 50 kW
Rated Voltage: 1140 V
Rated Current: 39 A
Rated Speed: 1485 rpm
Rated Frequency: 50 Hz
Rated Torque: 322 N·m

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Model

Rated Power

Rated Voltage

Rated Current

Rated Speed

Rated Torque

YBVF-50A 50 kW 1140 V 39 A 1485 rpm 322 N·m
YBVF-55A(80) 55 kW 80 V 504 A 1480 rpm 355 N·m
YBVF-55A(160) 55 kW 160 V 252 A 1480 rpm 355 N·m
YBVF-75A(80) 75 kW 80 V 660 A 1485 rpm 482 N·m
YBVF-75A(160) 75 kW 160 V 328 A 1485 rpm 482 N·m
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Motors for battery-powered special-purpose vehicles used underground

Model

Rated Power

Rated Voltage

Rated Current

Rated Speed

Rated Frequency

Rated Torque

YBVF-75A(160) 75 kW 160 V 328 A 1485 rpm 50 Hz 482 N·m
YBVF-75A(80) 75 kW 80 V 660 A 1485 rpm 50 Hz 482 N·m
YBVF-55A(160) 55 kW 160 V 252 A 1480 rpm 50 Hz 355 N·m
YBVF-55A(80) 55 kW 80 V 504 A 1480 rpm 50 Hz 355 N·m
YBRB-15A(160) 15 kW 160 V 82 A 1485 rpm 50 Hz 96 N·m
YBRB-15A(80) 15 kW 80 V 164 A 1485 rpm 50 Hz 96 N·m
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Motors for Continuous Miners, Bolter-Miners, and Mobile Bolters

Model

Rated Power

Rated Voltage

Rated Current

Rated Speed

Rated Frequency

Rated Torque

YBC-37A 37 kW 1140 V 27 A 1473 rpm 50 Hz 240 N·m
YBC-45A 45 kW 1140 V 36 A 1425 rpm 50 Hz 302 N·m
YBC-170A 170 kW 1140 V 108 A 1484 rpm 50 Hz 1094 N·m
YBUS-36A 36 kW 1140 V 23 A 1465 rpm 50 Hz 235 N·m
YBUS-132A 132 kW 1140 V 85 A 1480 rpm 50 Hz 852 N·m
YBUS-200A 200 kW 1140 V 130 A 1480 rpm 50 Hz 1291 N·m
YBUS-270A 270 kW 1140 V 171 A 1486 rpm 50 Hz 1735 N·m
YBUS-315A 315 kW 1140 V 194 A 1486 rpm 50 Hz 2024 N·m
YBVF-50A 50 kW 1140 V 39 A 1485 rpm 50 Hz 322 N·m
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Permanent-Magnet Direct-Drive Motor

Model

Rated Power

Rated Voltage

Rated Current

Rated Speed

Rated Torque

YJPM400 400 kW 1140 V 217 A 47 rpm 81277 N·m
YJPM500 500 kW 1140 V 289 A 75 rpm 63670 N·m
YJPM560 560 kW 1140 V 304 A 65 rpm 81277 N·m
YJPM630 630 kW 1140 V 357 A 65 rpm 92562 N·m
YJPM800 800 kW 1140 V 452 A 65 rpm 117538 N·m
YJPM1200 1200 kW 3300 V 230 A 75 rpm 152800 N·m
YJPM1250 1250 kW 3300 V 242 A 65 rpm 183653 N·m
YJPM1600 1600 kW 3300 V 320 A 75 rpm 203733 N·m
——END——

Permanent-magnet direct-drive electric drum

Rated Power

Rated Voltage

Rated Current

Rated Speed

Rated Frequency

Rated Torque

132 kW 1140 V 74 A 60 rpm 20 Hz 21010 N·m
160 kW 1140 V 90 A 60 rpm 20 Hz 25466 N·m
200 kW 1140 V 112 A 60 rpm 20 Hz 31833 N·m
250 kW 1140 V 140 A 60 rpm 20 Hz 39791 N·m
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TBVF series explosion-proof three-phase permanent magnet synchronous variable frequency motors

TBVF series explosion-proof three-phase permanent magnet synchronous variable frequency motors for mining, with models ranging from 200 to 1600kW.

Can be used to drive various general-purpose machinery, such as belt conveyors, ball mills, cutting machines, and other mechanical equipment.

Used as prime movers in various working conditions in mines, building materials, machinery industries, chemical industries, power plants, and other enterprises.

TBVF Low-Speed High-Torque Series

Voltage Level 380V 660V (690V) 1140V 3300V 6 KV / 10kV
Rated Speed 46rpm, 60rpm, 75rpm, 90rpm 46rpm, 60rpm, 75rpm, 90rpm 46rpm, 60rpm, 75rpm, 90rpm 46rpm, 60rpm, 75rpm, 90rpm 46rpm, 60rpm, 75rpm, 90rpm
Power Range 30 – 355kW 30 – 1400kW 30 – 1600kW 220 – 3215kW 200 – 3215kW
——END——

 

TBVF Normal-Speed Series

Voltage Level 380V 660V (690V) 1140V 3300V
Rated Speed 1000rpm, 1500rpm 1000rpm, 1500rpm 1000rpm, 1500rpm 1000rpm, 1500rpm
Power Range 132 – 355kW 132 – 355kW 132 – 800kW 900 – 1250kW
——END——

Permanent Magnetization to Electric Drive Products

1. Permanent Magnet Direct Drive System for Flotation Machines and Agitators


This system features vertical installation, direct connection between the output shaft and the main agitator shaft, frequency conversion start, and stepless speed control. It boasts significant advantages such as simple structure, strong load capacity, high efficiency, low failure rate, and low operating and maintenance costs, meeting the various energy-saving retrofit needs of customers in mining, pharmaceutical, and chemical industries.

    • The equipment structure has been greatly simplified.
    • Motor volume has been reduced by nearly 40%.
    • Cooling methods are flexible and easy to use.
    • Motor and equipment installation and maintenance are convenient.
    • Higher efficiency, motor maintenance is close to “0”.
    • The problem of air passage in the shaft has been solved.

Flotation-Machines                                                      Agitators

Permanent magnet direct drive motor for flotation machines                    Permanent magnet direct drive motor for mixers

Parameter

Specification

Rated Power (kW) 11kW – 630kW
Rated Voltage (V) 380 / 6000 / 10000
Rated Speed (r/min) 33 – 300
Insulation Class Class H, Class F
Protection Class IP55
Noise (dB) 70

In 2022, a permanent magnet direct drive motor for flotation machines was developed by Beikuang Technology, achieving an energy-saving efficiency of over 22%.
The 560kW permanent magnet direct drive motor simplifies the composition of the potassium salt crystallization stirring tank equipment, resulting in high system reliability, significantly improved efficiency, and considerable operational benefits, with an energy-saving efficiency of over 12%.

2. Lithium-ion Battery Reactor Permanent Magnet Synchronous Drive System

Reactors are widely used in chemical, environmental protection, pharmaceutical, food, petroleum, dye, and biochemical industrial production. Especially in chemical processes, various chemical changes require thorough mixing of reactants. For physical changes such as heating, mixing, cooling, and gas absorption, stirring devices are necessary to achieve good results.

Parameter

Original Asynchronous Motor

Permanent Magnet Direct Drive Motor

Rated Voltage 380V 380V
Power 55kW 55kW
Speed 1485 r/min 220 r/min
Torque 350N·m 2387N·m
Power Factor 0.85 0.96
Efficiency 92% 96.3%
Rated Current 106A 93.5A
Gearbox Required Not Required

Asynchronous-Motor                                             Permanent-Magnet-Motor

                                                                                                                                     Asynchronous Motor Structure                                                                     Permanent Magnet Motor Structure
                                                                                                                    Three-phase asynchronous motor + gearbox + load                                          Permanent magnet direct drive motor + load

After modification, energy efficiency can reach over 10%, and the permanent magnet direct drive motor can be maintenance-free, reducing daily gearbox maintenance work.

3. Ball Mill Permanent Magnet Synchronous Drive System

Ball mills are widely used raw material fine grinding equipment in the building materials industry and are major power-consuming equipment in the industry. Energy-saving modification of ball mills to improve their working efficiency is a key aspect of energy conservation and consumption reduction in the building materials industry.

By replacing the original AC asynchronous motor + hydraulic coupler + gearbox + belt reducer structure with a permanent magnet direct drive control system, and using frequency conversion technology for speed control, the working time of the ball mill can be shortened by 15%, thereby achieving a comprehensive energy saving rate of over 25%.

Ball-Mill-Permanent-Magnet-Synchronous-Drive-System

Parameter Table of Original Drive System of a Cement Plant

Motor Model

Rated Power (kW)

Rated Voltage (V)

Rated Speed (rpm)

Rated Current (A)

Rated Power Factor

Rated Efficiency

MAA800LE 4000 6000 595 490 0.81 0.969

Reducer Model

Input Speed (rpm)

Reducer Ratio

Output Speed (rpm)

Actual Power (kW)

Actual Load Rate

Annual Operating Time (h)

1900A 595 37.47 15.88 3200 80% 7000

Post-modification permanent magnet direct drive system parameter table

Reducer Model

Input Speed (rpm)

Reducer Ratio

Output Speed (rpm)

Actual Power (kW)

Actual Load Rate

Annual Operating Time (h)

1900A 595 37.47 15.88 3200 80% 7000

The ball mill’s operating time is reduced by 15%, resulting in an overall energy saving rate of over 25%.

4. Permanent Magnet Synchronous Drive System for Sand Mills

Sand mills are mainly used for grinding, refining, and dispersing industrial raw materials, and can be widely applied in the food, pharmaceutical, battery material, and powder metallurgy industries.

The product features high efficiency and energy saving, high starting torque, and a wide speed range, meeting the needs of sand mills under various operating conditions.

Permanent magnet direct drive motor system for sand mill

Rated Power (kW)

Rated Voltage (V)

Rated Speed (r/min)

Insulation Class

Protection Class

Noise (dB)

355 380 390 Class H IP55 85 (Sound Pressure Level)
700 690 330 Class H IP55

Permanent-Magnet-Synchronous-Drive-System-for-Sand-Mills.webpPermanent-Magnet-Synchronous-Drive-System-for-Sand-Mills.webp

A permanent magnet synchronous grinding mill drive system for new energy material mixing achieves an average energy saving of approximately 15% compared to traditional sand mills.

1. Application Case of Permanent Magnet Direct Drive System for Mineral Processing Flotation Machines

Mineral-Processing-Flotation-Machines.webp

Before Modification: Complex Flotation Machine Structure

Mineral-Processing-Flotation-Machines-2

                                                                                                                                                 Modification Project                                                                                                                                     New Construction Project Mineral processing tests were conducted on a 24m³ single flotation machine before and after modification. After modification, operating efficiency increased by 3.8% year-on-year under stable technical parameters, and the overall energy saving rate of the equipment reached 45% under the same working conditions.

2. Application Case of Permanent Magnet Direct Drive System for Sand Mills

Sand-Mills

Traditional Sand Mill Structure (Motor + Reducer)

Sand-MillsSand-Mills

Sand Mill Direct Drive Structure

The 700kW permanent magnet direct drive motor simplifies the sand mill equipment structure, resulting in high system reliability and significantly improved efficiency, with an overall energy saving rate of 15%.

3. Application Case of Permanent Magnet Direct Drive System for Belt Conveyor Equipment

3.1 Energy Saving Retrofit Project of Bayan Obo Belt Conveyor

Energy-Saving-Retrofit-Project-of-Bayan-Obo-Belt-Conveyor.webpEnergy-Saving-Retrofit-Project-of-Bayan-Obo-Belt-Conveyor.webp

Comprehensive measured energy saving of 30%

3.2 Changlai Sand and Gravel Project Becomes an Industry Energy-Saving Benchmark Project

Changlai-Sand-and-Gravel-Project-Becomes-an-Industry-Benchmark-for-Energy-SavingChanglai-Sand-and-Gravel-Project-Becomes-an-Industry-Benchmark-for-Energy-Saving

Measured energy saving of 23% under high power conditions

Provides a full range of air-cooled permanent magnet direct drive solutions from 160kW to 1400kW and 380V to 10kV

3.3 425kW Internal Permanent Magnet Direct Drive Hoist

425kW-Internal-Permanent-Magnet-Direct-Drive-Hoist

The 425kW internal permanent magnet direct drive hoist helps upgrade and replace mining hoisting equipment, achieving system energy saving and efficiency improvement, with a comprehensive power saving rate of over 15%.    

Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

The picture of Sale Manual showing the accessories and scopes of supply.

Engine Sale Manual

The picture of Installation Drawing showing the accessories and scopes of supply.

Installation Drawing

The picture of Installation Manual showing the accessories and scopes of supply.

Installation Manual

The picture of Operation Manual showing the accessories and scopes of supply.

Operation Manual

The picture of Engine Parts Catalogue showing the accessories and scopes of supply.

Parts Catalogue

The picture of Test Report and Certifcate showing the accessories and scopes of supply.

Report & Certifcate

Tags: CRRC | YBVF

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Sales Manager-Mrs.Wendy Fu

Spare Parts Sales-Miss. Nora Cao

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Merchandiser-Miss. Yoyo Tao

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