YBU, YBUS, YBUD series tunnel boring machine flameproof three-phase asynchronous motor sample

Flameproof three-phase asynchronous motor for tunnel boring machine (hereinafter referred to as: motor), designed in accordance with the coal industry standard MT/T477-2011 “Flameproof three-phase asynchronous motor for YBU series tunnel boring machine”, is a special motor for driving the cutting part of cantilever tunnel boring machine and other similar machinery in underground coal mines. The motor has the characteristics of high efficiency, large stall torque, beautiful appearance, safe and reliable operation, long life, excellent performance, easy installation, use and maintenance.

Description

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

Basic Parameters

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

Parameter

Mounting