- Country of manufactureRussia
- Wattageот 2 до 300 kW
- Number of phasesThree phase
Our company offers service in rewind of the asynchronous electric motors which burned down or demanding repair on an innovative winding like "Slav" for obtaining high parameters on the high moments, low-noisiness, energy efficiency, to increase of a resource, etc. Tiporyad of capacities HELL for rewind: from 1,1 kW to 250 kW.
The main scopes - transport systems, the lifting equipment, fans, pumps, compressors, reducers, machines, etc. Engines with a winding "Slav" on ustanovochno - to the connecting sizes completely correspond to GOST P 51689. On a class of energy efficiency there correspond IE 2 on IEC 60034-30.
The main advantages of asynchronous engines with a winding "Slav":
- Have a possibility of operation both in S1 operating mode, and in S3 operating mode;
- Vibro-noise characteristics are improved, on average the level of a sound is 5 DB lower;
- Have the increased reliability: service factor 2,5;
- Higher starting moment for 35%;
- Smaller starting currents for 35%;
- The bigger minimum moment for 35%;
- The bigger maximum moment for 20%;
- Efficiency and cos close to nominal in the range of loadings from 25 to 150%;
- "Softer" mechanical characteristic;
- Big reloading ability.
Engines are calculated for work in conditions:
- frequent start-up;
- heavy start-up;
- "long" start-up;
- big (more than 10%) falling of the feeding tension.
In most cases asynchronous engines allow to solve problems of start of engines without use of frequency regulators. During the work together with the frequency regulator they provide the mechanical characteristics unattainable for other series of engines. During the work with regularly changing loading, during the work with not rated load, at differences of the feeding tension asynchronous engines allow to reduce electricity consumption by 50%.
Technical characteristics of electric motors:
- Power is from 0,18 to 250 kW;
- Supply voltage - any to 1000 V;
- height above sea level no more than 1200 m;
- dust content of air no more than 1,3 g/m3;
- environment is not explosive, does not contain conducting dust, does not contain vapors of the substances which are harmfully influencing isolation.
- Degree of protection of engines - IP 55 and IP54 in accordance with GOST 17494.
- Engines can be equipped with the built-in temperature protection.
- Group of mechanical influence on resistance to influence of the mechanical external influencing factors - M3 in accordance with GOST 17516.1 (item 1¸3; 6; 15).
- Way of cooling of IC0141 engines in accordance with GOST 20459 (items 6).
- Isolation oilproof class of heat stability of F (155 ° C) or N (180 ° C) in accordance with GOST 8865 (items 1¸5).
- Operating mode - long S1 and repeated and short-term S3 in accordance with GOST 183. A repeated and short-term operating mode with PV from 0% to 50%. Work with PV from 50% to 100% within two hours is allowed, but is not more often than once in 3 hours of operation. The average number of launches of the electric motor no more than 30 in an hour. Number of start-up within a day no more than 200. The total number of start-up within a year no more than 30000.
- Engines at a working temperature maintain within 2 min. without damages and visible residual deformations increase of frequency of rotation to 120% of nominal.
- Engines maintain the parking alive of short circuit after the set nominal operating mode with a rated voltage not less than 10 pages.
- Isolation of a winding of the stator concerning the case and between windings maintains the test voltage of 2500 V of the frequency of 50 Hz within 1 minute.
- Isolation of a winding of the stator between its adjacent rounds maintains in the idling mode within 5 minutes test tension above nominal rate for 50% with the increased frequency at 20 supply voltage of %.
- Engines maintain 50% an overload on current within 2 minutes.
- Engines, since height of rotation 80, have devices for rise and transportation.
- Engines have the box of conclusions with two omental inputs allowing a possibility of turn on 180º for the purpose of a supply of cables from two parties.
- On a way of protection of the person against defeat by electric current engines have a class 1 in accordance with GOST 12.2.007.0. Regarding fire safety engines conform to requirements of GOST 12.1.004. The probability of emergence of the fire does not exceed 10-6 in a year.