Asynchronous EDKR motors(AT)180M4 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 in the 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 | 1470 | |
| Nominal voltage, AT | 380/660 | 660/1140 |
| Nominal current, A | 58/33,5 | 33,5/19,4 |
| efficiency, % | 91,4 | |
| Power factor, cosφ | 0,87 | |
| Nominal moment, Nm | 195 | |
| Mpusk/Mnom | 2,2 | |
| Mmah/Mnom | 2,3 | |
| Admission/Inom | 7,2 | |
| Mass, kg | 234 | |
Dimensions in quotation marks are for VA type engines
