ODM Explosion Proof Motor Low Voltage Flameproof IP55 Protection

low voltage explosion proof three phase asynchronous motor

YBX3 series high efficiency and high pressure flameproof three-phase asynchronous motors are fully enclosed, squirrel-cage high efficiency flameproof three-phase asynchronous motors developed and designed by our company.

Flameproof "Ex" d motor is a kind of form of explosion-proof motor, its principle is the equipment in normal operation, may produce a spark, arc of high temperature or dangerous parts on explosion-proof enclosure, outside the flame-proof 売 can withstand the internal pressure without harmful deformation, and can guarantee the internal gas flame

When the body propagates through the gap, it is not enough to detonate the gas outside the shell.

1 The implementation standards of this series of motors are: GB755-2008 "Rotating motor quota and performance" GB/T 1032-2012 "three-phase asynchronous motor test method" GB 3836.1-2010 "Explosive environment Part 1: equipment pass

3 Classification of electrical equipment

Class 1 Electrical equipment for explosive gas environments other than coal mines. 11 Types of electrical equipment reclassification:

Il Class A: The representative gas is methane.

I1 Class B: The representative gas is ethylene.

ll Class C: Representative gases are hydrogen and ethyl gas.

4. The maximum surface temperature corresponding to different temperature groups is shown in Table 1:

Table 1

Requirements for Use

GB 3836.2-2010 "Explosive environment Part 2: by flameproof

Equipment Protected by Enclosure "d"

JB /T12305.1-2015 "High efficiency high pressure flameproof three-phase different

Step motors -- Technical conditions -- Part 1: YBX3 series high efficiency and high pressure flameproof three-phase asynchronous motors (frame size 355~630)

JB /T12306.1-2015 "10kV high efficiency high voltage flameproof three-phase asynchronous motor technical conditions Part 1: YBX3 series (10KV) high efficiency high voltage flameproof three-phase asynchronous motor (frame number

400 ~ 630)"

GB-30254-203 "Energy Efficiency Limits and Energy Efficiency Levels of High Voltage three-phase Cage Induction Motors"

GB/T 4942.1-2006(1EC60034-5:2000) Protection class (IP code) for the whole structure of rotating motors

GB10068-2008(1EC60034-141996) Mechanical vibration of motors with shaft center height of 56mm and above -- Measurement, evaluation and measurement of vibration

limit

GB/T 100691-2006 Methods and limits for determination of noise from rotating motors -- Part 1: Methods for determination of noise from rotating motors (neg ISO1680-1.1986)

GB 10069.3-2008(1EC60034-9) Rotating motors -- Determination of noise -- Methods and limits -- Part 3: Noise limits

GB /T1993 "Rotating motor cooling Method"

GB/T 4772.1-1999(1EC60072.1:1990) Rotating motors -- Dimensions and output power classes -- Part 1: Bases 56 to 400 and flanges 55 to 1080

GB/T 4772.2-1999(IEC60072.2:1990) Rotating motors -- Dimensions and output power classes -- Part 2: Frame numbers

355~1000 and flange number 1180~2360

GB 1971-2006(IEC60034-8:2002, IDT) Rotary motor line end mark and rotation direction

2 Explosion-proof principle

Temperature group

Motor surface maximum allowable surface temperature (℃) two advantages

1 High efficiency and energy saving

The efficiency of this series of motors conforms to GB-30254-2013 "Energy Efficiency Limits and Energy Efficiency Grades of High Voltage Three-phase Cage Induction Motors", which can improve the operating efficiency of customers.

Efficiency requirements, for the real sense of high efficiency motor, can be greatly improved

Calculated by 100kw4-pole 6kV motor (Level 1 energy efficiency value 95.7% Level 96.4% energy efficiency value 8000h annual operation)

Level 1 energy efficiency annual power consumption:

PIl = 1000/0.957 * 8000 = 8359457 KWH

Level 1 energy efficiency annual power consumption:

PI = 1000/0.964 * 8000 = 8298755 KWH

Annual energy saving: P = PI1-PI =60702kWh

As can be seen from the above calculation, the selection of YBX3 series 1000kW motor, annual power saving is 60702kWh, energy saving effect is very obvious.

2. Optimized electromagnetic design

This series of motor uses the finite element method to analyze the electromagnetic performance, heating and mechanical stress and deformation and electromagnetic optimization design, the structure size, air gap, groove fit and groove shape of the full range of optimization design, the motor performance to achieve the best.

3 Insulation System

This series of motor uses a variety of performance has been comprehensively improved insulation system, voltage characteristics, temperature characteristics, bending strength, breakdown voltage test

Therefore, the insulation performance is reliable and the machinery is strong

High degree, strong moisture-proof ability.

High strength frame structure

The engine base and end cover are made of high strength gray cast iron, or ductile cast iron can be used to adapt to the harsher operating environment. Finite element analysis, advanced casting technology and strict quality management together ensure that the frame has higher strength and stiffness, and can well meet the requirements of structural flameproof.

5 High power density

This series motor through the optimization of the electromagnetic design, advanced manufacturing エ art, improve the material utilization ratio, than the same seat number of conventional motor has higher power density.

Iii. Scope of Use

This series of motors are manufactured into high efficiency and energy saving high voltage flameproof three-phase asynchronous motors in accordance with the relevant regulations of GB3836.1-2010 Explosive Environment Part I: General Requirements for Equipment and GB 3836.2-2010 Explosive Environment Part II: Equipment protected by flameproof Shell "d". Explosion-proof mark is Ex dIl A T4 Gb, Ex dIl BT4

SD is left

Column composition.

Example: YBX3

5002-4( W )

No. 2 iron core, 4 poles, W outdoor type, indicating that the center of the shaft is 500mm high, indoor can be omitted.

Series code:

Y for three-phase asynchronous motor,

3 indicates the third design

B stands for flameproof, X for high efficiency,

5 Explosion-proof mark description

According to GB /T3836.1-2010 Explosive Environment Part 1: General Requirements for Equipment, the explosion-proof mark consists of symbol EX, explosion-proof type, class symbol, maximum surface temperature, equipment protection level and protection class.

Example: E d1BI4 Gb IP54

The protection level is 1P54

Device protection level Gb

Maximum surface temperature Temperature group T4 class symbol for motor rings

Environment category level

The motor explosion-proof type is flameproof explosion-proof mark, indicating that the electrical equipment conforms to one or more standards

One explosion-proof type

Ex dll A T4 Gb is suitable for factories where explosive mixtures of Class Il A, temperature groups T1, T2, T3 and T4 exist.

Ex dIl B T4 Gb is suitable for the plant I1 Class B, temperature groups T1, T2, T3 and T4 explosive mixture presence environment.

According to the need, it can also be made into Ex dIl CT4 Gb,1 class C is not allowed to use sliding bearings. Please consult separately if necessary.

This series of motors are widely used in dangerous places where explosive mixtures exist in petroleum, chemical, steel and other industries, to drive various mechanical equipment such as fans, compressors, water pumps, crushers and belt conveyor. The motors with large inertia fan, coal mill, rolling machine, winch, acid hunger relief, belt conveyor and other machinery should sign the technical agreement when ordering, provide the relevant technical parameters, as the basis for the special design of the motor

To ensure safe and reliable motor transport o

The basic condition of normal operation of the swing motor: the altitude does not exceed 1000Mo