Asynchronous EDKR motors(AT)200L6 VR(AND) designed to work from an alternating current network with a frequency 50 Hz with isolated neutral of coal mines and mines, dangerous due to the content of mine gas (methane) and (or) coal dust as a drive for stationary installations of mines and mines.
Nominal values of the main engine parameters in the S1 mode according to DSTU IES 60034-1 are given in the table. Permissible deviations from the nominal values of indicators according to DSTU IES 60034-1.
It is allowed to operate engines in mode S2 = 60 min, S3, S4 – 60% with the inertia factor F = 2 and frequency of inclusions to 30 included per hour, at the same time, the permissible power value is no more, specified for mode S1.
Explosion protection level of engines "explosion-proof" with types of explosion protection "explosion-proof shell" and "intrinsically safe electrical circuit" RV Ex d b I Mb:
The degree of protection of motors and input boxes is IR54, external fan IR20 according to GOST 17494.2.6 (Jesus 60529).
Type of climatic execution of engines – U2.5;
Execution of engines according to the method of installation - IM1081(paws), IM2081(foot/flange), IM3081(flanged) according to GOST 2479.
Method of cooling engines – Jesus 0141 according to GOST 20459.
MAIN TECHNICAL INDICATORS
Engine parameters | Value | |
Capacity, kW | 30 | |
Rotational frequency, rpm | 980 | |
Nominal voltage, AT | 380/660 | 660/1140 |
Nominal current, A | 59,3/34,3 | 34,3/19,8 |
efficiency, % | 91,5 | |
Power factor, cosφ | 0,84 | |
Nominal moment, Nm | 292 | |
Mpusk/Mnom | 2,0 | |
Mmah/Mnom | 2,1 | |
Admission/Inom | 7,0 | |
Mass, kg | 320 |
Dimensions in quotation marks are for VA type engines