Description&Application

Wolong Nanyang Explosion Protection company's YBU YBUS YBUD series flameproof three-phase asynchronous motors for tunneling machines use Morley's world-leading motor design and manufacturing technology, a full set of quality control systems, select high-quality raw materials and components, and adhere to Morley supervision in the design, manufacturing, and testing process to ensure its excellent performance and reliable quality, and accurately meet customer-specific requirements.
 
This series of Wolong Morley motors are widely used in coal mining, mineral mining and underground construction projects. They are suitable for places where there are explosive hazards of methane mixtures and coal dust in coal mines. The Wolong Morley motors can be used in conjunction with various mechanical equipment such as tunneling machines and shield machines to provide power support for the modernization of the coal industry in China motor manufacturers.
 
Wolong YBU motor can be customized according to customer requirements to Nanyang brand, Wolong brand, Schorch brand, etc.

Introduction

Y B U - 75- 4
Y B - Asynchronous motor, flameproof type
U- For tunnel boring machine
75 - Power(kW)
4- Poles
Y B U S - 120- 4
Y B - Asynchronous motor, flameproof type
U- For tunnel boring machine
S- Water cooler method
120 - Power(kW)
4- Poles
Y B U S - 220/160- 4/8 (A)
Y B - Asynchronous motor, flameproof type
U- For tunnel boring machine
S- Water cooler method
220/160- Power(kW)
4/8- Poles
(A)- Design Number
Ex dⅠMb
Ex--Explosion Protection Mark
d--Type of Explosion Protection(Explosion-proof Type)
Ⅰ -- Electrical Apparatus Class(ClassⅠ)
Mb -- Equipment Protection Degree

Bsic Feature

Rated voltage: 660/1140V, 1140V, 3300V
Rated frequency: 50Hz
Rated power: 120~315kW, 132/55~300/220kW
Number of poles: 4, 4/8, 4/6
Thermal classification: 180(H)
Temperature rise limit: 135K
Installation method: IMB10
Protection level: IP55
Cooling method: IC3W7
Ambient air temperature: 0~+40℃ (water cooling)
Operation mode: S1
Altitude: ≤1000mm
Indoor (standard configuration)
Explosion-proof mark (standard configuration): ExdI Mb

Sample Parameter
                    
Mounting
                    

                                                                       YBU-75-4 drawing

         

                                                                    YBUS-90-4 drawing

               

                                                      YBUD-160/100-4/8 drawing