Xian explosion-proof

YBBP series flameproof frequency conversion speed regulation three-phase asynchronous motors are suitable for power driving in underground coal mines (non-mining faces) and workplaces containing explosive gas mixtures in factories. The motors are matched with frequency conversion devices and are characterized with sound speed regulation performance, energy saving, large temperature rise margin, long life, good performance, low noise, advanced explosion-proof structure, high reliability, convenient use and maintenance etc. In addition, its speed is adjustable by changing the frequency and has wide speed regulation range. Under the condition of open-loop U/f control, it can realize 5~50Hz constant torque speed regulation and 50~100Hz constant power speed regulation. Under the condition of vector control, the speed regulation range can be expanded, and the overload capacity is strong. What’s more, it can withstand the 160% overload of rated torque for 1min. YBBP frequency conversion speed regulation three-phase asynchronous motor is widely used in light industry, textile, chemical industry, petroleum, metallurgy, machine tool, water pump and other industries. An independent cooling fan is equipped in the electrical rear of YBBP series motors. The installation size of YBBP series flameproof variable frequency speed three-phase asynchronous motors is the same as that of YB2 series motors. This series of motors comply with the national standards GB3836.1 "Explosive Environment Part 1: General Requirements for Equipment" and GB3836.2 "Explosive Environment Part 2: Equipment Protected by Flameproof Shell" d. The electrical performance conforms to the provisions of JB/T 11201.1-2011 "Technical Conditions for Flameproof Variable Frequency Speed Regulation Three-Phase Asynchronous Motor Part 1: YBBP Series Flameproof Variable Frequency Speed Regulation Three-Phase Asynchronous Motor (Machine Block No. 80~355)" and Q/320205BABD14-2012 "YBBP Series Flameproof Variable Frequency Speed Regulation Three-Phase Asynchronous Motor (Machine Block No. 80~450. The power grade and installation dimensions of this series of motors conform to the International Electrotechnical Commission (IEC) standards.

As a fully enclosed forced air-cooled three-phase asynchronous motor, YFBBP series dust explosion-proof variable frequency speed three-phase asynchronous motor is characterized with sound speed regulation performance, energy saving and high efficiency, compact structure, large temperature rise margin, long life, good performance, low vibration, low noise, advanced explosion-proof structure, beautiful appearance, high reliability, etc., and is equipped with a non-stop oil injection device, and can be used according to user needs, is supplemented with bearing temperature measurement, stator temperature measurement, moisture-proof heater and other functions. This series of motors comply with the provisions of the national standard GB12476.1 "Electrical Equipment for Combustible Dust Environment Part 1: General Requirements" and the GB12476.5-2013 "Electrical Equipment for Combustible Dust Environment Part 5: Shell Protection Type" tD. The electrical performance conforms to the provisions of Q/320205BABD26-2017 "Technical Conditions for YFBBP Series Explosion-proof Variable Frequency Speed Regulation Three-phase Asynchronous Motors (Machine Block No. 80~450). Explosion-proof marks are Ex tD A21 IP65 T130℃ and Ex tD A22 IP55 T130℃ , which are used for power driving in places with explosive dust mixture environment.

In the industrial production process, many solid combustible dusts are often produced. In addition to coal (coal, activated carbon), there are also metal processing (aluminum, magnesium, titanium, etc.), agricultural and sideline products processing (flour, cocoa, cotton dust, flax, Fiber), chemical raw materials, synthetic materials (plastics, resins, fuels, etc.), chemicals (sodium acetate, aspirin, zinc stearate, etc.), where the electric drive in these industries and sectors requires dust explosion-proof motors. YFB3 series dust explosion-proof three-phase asynchronous motor (hereinafter referred to as the motor) is a squirrel cage three-phase asynchronous motor, and its explosion-proof performance of the motor conforms to the GB12476.1-2013 "Electrical Equipment for Combustible Dust Environment Part 1: General Requirements" and the GB12476.5-2013 "Electrical Equipment for Combustible Dust Environment Part 5: Shell Protection" tD ". The electrical performance of the motor meets the requirements of Q/320205BABD21-2014 Technical Conditions for YFB3 Series Dust Explosion-proof Three-phase Asynchronous Motors (Block No. 63-355). There are two types of enclosure protection grades: IP55 for dustproof type and IP65 for dust-tight type. Explosion-proof marks are ExtD A21 IP65 T130℃ , ExtD A22 IP55 T130℃ , ExtD B21 IP65 T130℃ , ExtD B22 IP55 T130℃

YB3 series flameproof three-phase asynchronous motor is an updated product of YB2 series. This series of motors is characterzied with high efficiency and energy saving, large temperature increase margin, small size, light weight, beautiful appearance, reliable operation, good performance, low noise, low vibration, and convenient use and maintenance. The efficiency index of this series of motors conforms to the motor energy efficiency level 3 described in GB18613-2012 Minimum allowable values of energy efficiency and energy efficiency grades for small and medium three-phase asynchronous motors. Its power grade and installation size conform to IEC standards and are the same as YB2 series motors. The explosion-proof performance of this series of motors meets the requirements of the GB3836.1-2010's Explosive Environment Part 1: General Requirements and the GB3836.2-2010's Explosive Environment Part 2: Equipment Protected by Explosion-proof Enclosure D. The explosion-proof Exd Ⅰ Mb, Exd Ⅱ AT4 Gb, Exd Ⅱ BT4 Gb, Exd Ⅱ CT4 Gb products are suitable for dangerous places in explosive gas environment with ⅡA, ⅡB, ⅡC and temperature groups of T1 ~ T4 respectively in underground coal mines (non-mining faces) and factories. On the basis of YB3 motor, it can also be made into YB3-W outdoor model, YB3-TH indoor humid model, YB3-WTH outdoor humid model, YB3-WT outdoor tropical model and YB3-WF1 outdoor model, which are suitable for using in the medium anti-corrosion climate environment.